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BCcomponents
DATA SHEET
PR01/02/03 Professional power metal film resistors
Product specification Supersedes data of 8th March 2001 File under BCcomponents, BC08 2001 Jul 13
BCcomponents
Product specification
Professional power metal film resistors
FEATURES DESCRIPTION A homogeneous film of metal alloy is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned connecting wires of electrolytic copper or copper-clad iron are welded to the end-caps. The resistors are coated with a red, nonflammable lacquer which provides electrical, mechanical and
PR01/02/03
* High power in small packages * Different lead materials for different applications * Defined interruption behaviour.
APPLICATIONS
climatic protection. This coating is not resistant to aggressive fluxes. The encapsulation is resistant to all cleaning solvents in accordance with "MIL-STD-202E, method 215", and "IEC 60068-2-45".
* All general purpose power applications.
QUICK REFERENCE DATA
VALUE DESCRIPTION PR01 0.22 to 1 M PR02 Cu-lead 0.33 to 1 M FeCu-lead 1 to 1 M Cu-lead 0.68 to 1 M PR03 FeCu-lead 1 to 1 M
Resistance range Resistance tolerance and series Maximum dissipation at Tamb = 70 C: R<1 1R Thermal resistance (Rth) Temperature coefficient Maximum permissible voltage (DC or RMS) Basic specifications Climatic category (IEC 60068) Stability after: load climatic tests soldering Notes
1% (E24, E96 series); 5% (E24 series); see notes 1 and 2
0.6 W 1W 135 K/W
1.2 W 2W 75 K/W
-
1.3 W 115 K/W
1.6 W 3W 60 K/W
-
2.5 W 75 K/W
250 x 10-6/K
350 V 500 V IEC 60115-1 and 60115-4 55/155/56 750 V
R/R max.: 5% + 0.1 R/R max.: 3% + 0.1 R/R max.: 1% + 0.05
1. 1% tolerance is available for Rn-range from 1R upwards. 2. 2% tolerance is available on request for Rn-range from 1R upwards.
2001 Jul 13
2
BCcomponents
Product specification
Professional power metal film resistors
ORDERING INFORMATION Table 1 Ordering code indicating resistor type and packaging
ORDERING CODE 23.. ... ..... (BANDOLIER) AMMOPACK TYPE LEAD (mm) TOL (%) RADIAL TAPED 4000 units 3000 units STRAIGHT LEADS 52 mm 5000 units 52 mm 1000 units 63 mm 500 units 73 mm 1000 units
PR01/02/03
REEL
80 mm 500 units
73 mm 5000 units
52 mm 5000 units
1
PR01 Cu 0.6
-
06 197 03...
- - -
06 198 03...
5 1
Cu 0.8 PR02 FeCu 0.6
22 196 1.... 22 193 14...
-
06 197 53... 22 197 1.... 06 198 53... 22 194 54...
- - - - -
22 195 14... 06 199 5... 22 195 54...
-
22 193 13...
- - - - -
22 195 13... 06 193 5... 22 195 53...
-
22 193 23...
-
06 197 23...
- - - - - -
- - - - - -
-
22 194 13... 22 194 53...
- - - - - -
-
06 198 23...
5 5 5
Cu 0.8
- - - -
- - - -
- - -
- - -
PR03 FeCu 0.6
1 5
Table 2
Ordering code indicating resistor type and packaging
ORDERING CODE 23.. ... ..... (LOOSE IN BOX)
TYPE
LEAD (mm)
TOL (%)
CROPPED AND FORMED
DOUBLE KINK
PITCH = 17.8 (mm)
1000 units
PITCH = 25.4 (mm)
500 units
PITCH = 17.8 PITCH = 25.4 (mm) (mm)
1000 units 22 193 03... 22 193 43... 22 194 23... 22 194 83... 500 units
PITCH(1)(2)(3) 1000 units 500 units
PR01
Cu 0.6 FeCu 0.6 Cu 0.8
5 5 5 5 5 5 5 5
22 193 33...
-
- - - - - 22 195 33... 22 195 73... -
- - - - - 22 195 23... 22 195 83... -
-
22 193 53...(1)
- - - - - - - 22 195 63...(3)
PR02 FeCu 0.6 FeCu 0.8 Cu 0.8 PR03 FeCu 0.6 FeCu 0.8
22 194 33... 22 194 73...
- - - -
- -
22 194 63...(2)
- - - -
- - -
Notes 1. PR01 pitch 12.5 mm. 2. PR02 pitch 15.0 mm. 3. PR03 pitch 20.0 mm.
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
Ordering code (12NC) Table 3 Last digit of 12NC LAST DIGIT 7 8 9 1 2 3 4 5
PR01/02/03
Ordering example The ordering code for resistor type PR02 with Cu leads and a value of 750 , supplied on a bandolier of 1000 units in ammopack, is: 2322 194 13751.
* The resistors have a 12-digit ordering code starting with 23. * The first 7 digits indicate the resistor type and packaging; see Tables 1 and 2. * The remaining 3 digits indicate the resistance value:
- The first 2 digits indicate the resistance value. - The last digit indicates the resistance decade in accordance with Table 3. FUNCTIONAL DESCRIPTION Product characterization
RESISTANCE DECADE 0.22 to 0.91 1 to 9.76 10 to 97.6 100 to 976 1 to 9.76 k 10 to 97.6 k 100 to 976 k 1 M
Standard values of nominal resistance are taken from the E24 series for resistors with a tolerance of 5%. The values of the E24 series are in accordance with "IEC publication 60063".
T amb = 40 C 1.00 P (W) 0.75
o
70 C
o
100 oC 125 oC 0.50 155 C 0.25
o
Tm ( oC)
h 0 00 10 h
30 1k k
205 oC
00 00 10
10
00
h
30
k
10
PR01
5.0
2.0
1.0
0.5
0.2
0.1 %
R
MLB660
Fig.1 Drift nomogram.
2001 Jul 13
4
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
T amb = 40 oC 2.00 P (W) 1.50
70 oC
100 oC 125 C
o
1.00 155 oC 0.50
Tm ( oC)
00 h
0 00 h
220 oC
00 10
39
10
10
00
39
1k k
h
k
10
5.0
2.0
1.0
0.5
0.2
0.1 %
R
MLB683
PR02
Fig.2 Drift nomogram.
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
T amb = 40 C 3.00 P (W) 2.25
o
70 C
o o
o
100 C 125 C 155 oC 1.50
0.75
Tm ( oC)
250 oC
10
00
00
h
0h
1
0 00
10
00
h
1k 51 51 k k
10
5.0
2.0
1.0
0.5
0.2
0.1 %
R
MLB693
PR03
Fig.3 Drift nomogram.
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
Limiting values TYPE PR01 LEAD MATERIAL Cu Cu FeCu PR03 Cu FeCu Note RANGE R<1 1R R<1 1R 1R R<1 1R 1R 750 500 LIMITING VOLTAGE(1) (V) 350
PR01/02/03
LIMITING POWER (W) 0.6 1.0 1.2 2.0 1.3 1.6 3.0 2.5
PR02
1. The maximum voltage that may be continuously applied to the resistor element, see "IEC publication 60115-1". The maximum permissible hot-spot temperature is 205 C for PR01, 220 C for PR02 and 250 C for PR03. DERATING The power that the resistor can dissipate depends on the operating temperature; see Fig.4.
Pmax (%Prated) 100
CCB412
50
0 -55
0
50
70
100
155 Tamb (C)
Fig.4
Maximum dissipation (Pmax) in percentage of rated power as a function of the ambient temperature (Tamb).
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
PULSE LOADING CAPABILITIES
PR01/02/03
103 Pmax (W) 102 100 50 20 10 5 2 1
MLB738
tp/ti = 1000 500 200
10
10-1 10-6
PR01
10-5
10-4
10-3
10-2
10-1 ti (s)
1
Fig.5
Pulse on a regular basis; maximum permissible peak pulse power ( P max ) as a function of pulse duration (ti).
1200 Vmax (V) 1000
MLB737
800
600
400
200
0 10 6
10 5
10 4
10 3
10 2
10 1
t i (s)
1
PR01
Fig.6
Pulse on a regular basis; maximum permissible peak pulse voltage ( V max ) as a function of pulse duration (ti). 8
2001 Jul 13
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
10 3 Pmax (W) 10
2
MLB685
t p /t i = 1000
500 200
100 50 20 10 10 5 2
1
10 1 10 6
PR02
10 5
10 4
10 3
10 2
10 1
t i (s)
1
Fig.7
Pulse on a regular basis; maximum permissible peak pulse power ( P max ) as a function of pulse duration (ti).
1700 Vmax (V) 1500
MLB684
1300
1100
900
700
500 10 6
PR02
10 5
10 4
10 3
10 2
10 1
t i (s)
1
Fig.8
Pulse on a regular basis; maximum permissible peak pulse voltage ( V max ) as a function of pulse duration (ti). 9
2001 Jul 13
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
10 4 Pmax (W) 10 3 t p /t i = 1000 500 100 50 20 10 5 10 2
MLB695
200
10 2
1 10 6
PR03
10 5
10 4
10 3
10 2
10 1
t i (s)
1
Fig.9
Pulse on a regular basis; maximum permissible peak pulse power ( P max ) as a function of pulse duration (ti).
2400 Vmax (V) 2000
MLB694
1600
1200
800
400
0 10 6
PR03
10 5
10 4
10 3
10 2
10 1
t i (s)
1
Fig.10 Pulse on a regular basis; maximum permissible peak pulse voltage ( V max ) as a function of pulse duration (ti). 2001 Jul 13 10
BCcomponents
Product specification
Professional power metal film resistors
INTERRUPTION CHARACTERISTICS
MLB661
PR01/02/03
10 2 t (s)
10 2 t (s)
MLB662
10
10
1
1
10 1
0
10
20
30
40 50 P overload (W)
10 1
0
10
20
30
40 50 P overload (W)
The graph is based on measured data under constant voltage conditions; these data may deviate according to the application. PR01
The graph is based on measured data under constant voltage conditions; these data may deviate according to the application. PR01
Fig.11 Time to interruption as a function of overload power for range: 0R22 Rn < 1R.
Fig.12 Time to interruption as a function of overload power for range: 1R Rn 15R.
10 2 t (s)
MLB663
10
1
10 1
0
10
20
30
40 50 P overload (W)
The graph is based on measured data under constant voltage conditions; these data may deviate according to the application. PR01
Fig.13 Time to interruption as a function of overload power for range: 16R Rn 560R. 2001 Jul 13 11
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
10 2 t (s)
MLB766
10 2 t (s)
MLB767
10
10
1
1
10 1
0
20
40
60
80 100 120 Poverload (W)
10 1
0
20
40
60
80 100 120 Poverload (W)
The graph is based on measured data under constant voltage conditions; these data may deviate according to the application. PR02
The graph is based on measured data under constant voltage conditions; these data may deviate according to the application. PR02
Fig.14 Time to interruption as a function of overload power for range: 0.33R Rn < 5R.
Fig.15 Time to interruption as a function of overload power for range: 5R Rn < 68R.
10 2 t (s)
MLB768
10 2 t (s)
MLB773
10
10
1
1
10 1
10 1
0
20
40
60
80 100 120 Poverload (W)
0
50
100
150
200 250 P overload (W)
The graph is based on measured data under constant voltage conditions; these data may deviate according to the application. PR02
The graph is based on measured data under constant voltage conditions; these data may deviate according to the application. PR03
Fig.16 Time to interruption as a function of overload power for range: 68R Rn 560R. 2001 Jul 13 12
Fig.17 Time to interruption as a function of overload power for range: 0.68R Rn 560R.
BCcomponents
Product specification
Professional power metal film resistors
Application information
MLB735
PR01/02/03
200 T (K) 160
MLB736
100 T (K) 80
120
60
80
40
15 mm 20 mm 25 mm
40
20
0 0
0.6 mm Cu-leads. PR01
0.4
0.8
P (W)
1.2
0 0 0.4 0.8 P (W) 1.2
0.6 mm Cu-leads. Minimum distance from resistor body to PCB = 1 mm. PR01
Fig.18 Hot-spot temperature rise (T) as a function of dissipated power.
Fig.19 Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting.
CCB014
CCB015
200 T (K) 160
100 T (K) 80
120
60
80
40
15 mm 20 mm 25 mm
40
20
0 0 0.4 0.8 P (W) 1.2
0 0 0.4 0.8 P (W) 1.2
0.6 mm FeCu-leads. PR01
0.6 mm FeCu-leads. Minimum distance from resistor body to PCB = 1 mm. PR01
Fig.20 Hot-spot temperature rise (T) as a function of dissipated power.
Fig.21 Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting.
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
MLB679
200 T (K) 160
100 T (K) 80
MLB680
15 mm
120
60
20 mm 25 mm
80
40
40
20
0 0 0.8 1.6 P (W) 2.4
0 0 1 P (W) 2
0.8 mm Cu-leads. PR02
0.8 mm Cu-leads. Minimum distance from resistor body to PCB = 1 mm. PR02
Fig.22 Hot-spot temperature rise (T) as a function of dissipated power.
Fig.23 Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting.
240 T (K) 200
MLB681
100 T (K) 80
MLB682
160 60 120 40 80 20 20 mm 25 mm 15 mm
40
0 0 0.8 1.6 P (W) 2.4
0 0 1 P (W) 2
0.6 mm FeCu-leads. PR02
0.6 mm FeCu-leads. Minimum distance from resistor body to PCB = 1 mm. PR02
Fig.24 Hot-spot temperature rise (T) as a function of dissipated power.
Fig.25 Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting.
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
CCB016
CCB017
240 T (K) 200
100 T (K) 80 15 mm
160 60 120 40 80 20 20 mm 25 mm
40
0 0 1 P (W) 2
0 0 0.8 1.6 P (W) 2.4
0.8 mm FeCu-leads. PR02
0.8 mm FeCu-leads. Minimum distance from resistor body to PCB = 1 mm. PR02
Fig.26 Hot-spot temperature rise (T) as a function of dissipated power.
Fig.27 Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting.
MLB689
MLB690
200 T (K) 160
100 T (K) 80 15 mm
20 mm 120 60 25 mm 80 40
40
20
0 0 1 2 P (W) 3
0 0 1 2 P (W) 3
0.8 mm Cu-leads. PR03
0.8 mm Cu-leads. Minimum distance from resistor body to PCB = 1 mm. PR03
Fig.28 Hot-spot temperature rise (T) as a function of dissipated power.
Fig.29 Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting.
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
240 T (K) 200
MLB691
MLB692
100 T (K) 80 10 mm
160 60 120 20 mm 40 80 25 mm 40 20 15 mm
0 0 1 2 P (W) 3
0 0 1 2 P (W) 3
0.6 mm FeCu-leads. PR03
0.6 mm FeCu-leads. Minimum distance from resistor body to PCB = 1 mm. PR03
Fig.30 Hot-spot temperature rise (T) as a function of dissipated power.
Fig.31 Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting.
CCB018
CCB019
240 T (K) 200
100 T (K) 80 15 mm 60
160
120 40 80 20
20 mm
40
0 0 1 2 P (W) 3
0 0 0.8 1.6 2.4 P (W) 3.2
0.8 mm FeCu-leads. PR03
0.8 mm FeCu-leads. Minimum distance from resistor body to PCB = 1 mm. PR03
Fig.32 Hot-spot temperature rise (T) as a function of dissipated power.
Fig.33 Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting.
2001 Jul 13
16
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
10 2 Z R 10 R n= 1
MLB659
1
R n = 24 R n = 12 k
10 1
R n = 100 k
10 2 10 1
1
10
10 2
f (MHz)
10 3
PR01
Fig.34 Impedance as a function of applied frequency.
MLB658
120 (deg) 80
R n= 1
40
R n = 24
0
40
R n = 12 k
R n = 100 k 80 10 1 1 10 10 2 f (MHz) 10 3
PR01
Fig.35 Phase angle as a function of applied frequency.
2001 Jul 13
17
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
10 2 Z R 10 R n = 1.2
MLB769
R n = 10 1
R n = 22 k 10 1 R n = 124 k
10 2 10 1
1
10
10 2
f (MHz)
10 3
PR02
Fig.36 Impedance as a function of applied frequency.
MLB770
120 (deg) 80 R n = 10 40 R n = 1.2
0
40 R n = 22 k 80 R n = 124 k
120 10 1
1
10
10 2
f (MHz)
10 3
PR02
Fig.37 Phase angle as a function of applied frequency.
2001 Jul 13
18
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
10 2 Z R R n = 1.5 10 R n = 18 1
MLB771
R n = 1.3 k
10 1
R n = 20 k
R n = 100 k 10 2 1 10 10 2 10 3
f (MHz)
PR03
Fig.38 Impedance as a function of applied frequency.
MLB772
90 (deg) 60
R n = 1.5 R n = 18
30
0 R n = 1.3 k 30
60 R n = 20 k 90 1 10 R n = 100 k 10 2 f (MHz) 10 3
PR03
Fig.39 Phase angle as a function of applied frequency.
2001 Jul 13
19
BCcomponents
Product specification
Professional power metal film resistors
MECHANICAL DATA Mass per 100 units TYPE TYPE PR01 PR02 PR03 LEAD MATERIAL Cu FeCu Cu FeCu Cu FeCu Mounting The resistors are suitable for processing on automatic insertion equipment and cutting and bending machines. MASS (g) 29 29 63 45 110 100 PR02 PR01 LEAD STYLE straight leads radial taped cropped and formed double kink large pitch double kink small pitch straight leads radial taped cropped and formed double kink large pitch double kink small pitch PR03 straight leads cropped and formed double kink large pitch Marking The nominal resistance and tolerance are marked on the resistor using four coloured bands in accordance with IEC publication 60062, "Colour codes for fixed resistors". Outlines The length of the body (L1) is measured by inserting the leads into holes of two identical gauge plates and moving these plates parallel to each other until the resistor body is clamped without deformation ("IEC publication 60294"). Note 1. Recommended minimum value. double kink small pitch Mounting pitch
PR01/02/03
PITCH mm 12.5(1) 4.8 17.8 17.8 12.5 15.0(1) 4.8 17.8 17.8 15.0 23.0(1) 25.4 25.4 20.0 e 5(1) 2 7 7 5 6(1) 2 7 7 6 9(1) 10 10 8
L1
d
CCB414
D L2
For dimensions see Table 4.
Fig.40 Type with straight leads.
Table 4 TYPE PR01 PR02 PR03
Straight lead type and relevant physical dimensions: see Fig.40
D MAX. (mm)
2.5 3.9 5.2
L1 MAX. (mm) 6.5 10.0 16.7
L2 MAX. (mm) 8.5 12.0 19.5
d (mm)
0.58 0.05 0.8 0.03 0.58 0.05 0.8 0.03 0.58 0.05
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
P 0.5
D
TY PE
L
h
+2 -0 5 +1 -0
d P 3
M AI N TE N AN C E
2 min. b +0.1 0
B P
CCB022
S
Dimensions in mm. For dimensions see Tables 4 and 5.
Fig.41 Type with cropped and formed leads.
Table 5 TYPE PR01 PR02
Cropped and formed lead type and relevant physical dimensions; see Fig.41 LEAD STYLE
d (mm)
0.6 0.05 0.8 0.03 0.8 0.03 0.6 0.05 0.8 0.03 0.8 0.03 0.6 0.05
b (mm) 1.1 1.3 1.3 1.1 1.3 1.3 1.1
h (mm) 8 8 15 8 8 15 8
P (mm) 17.8 17.8
S MAX. (mm) 2 2 3 2 2
B MAX. (mm)
1.0 1.2 1.2 1.0 1.2 1.2 1.0
cropped and formed; note 1
PR03
25.4
3 2
Note 1. Can be replaced by double kinked versions; see Fig.42.
2001 Jul 13
21
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
P1 0.5
D
P1 0.5
L1 L2
8+2 +1 4.5 0 d b1 S B 0.07 b2
CCB020
P2 3
Dimensions in mm. For dimensions see Tables 4 and 6.
Fig.42 Type with double kink.
Table 6 TYPE
Double kink lead type and relevant physical dimensions; see Fig.42 LEAD STYLE double kink large pitch double kink small pitch double kink large pitch double kink small pitch double kink large pitch double kink small pitch
d (mm)
0.58 0.05 0.58 0.05 0.58 0.05 0.8 0.03 0.8 0.03 0.58 0.05 0.8 0.03 0.8 0.03
b1 (mm) 1.10 +0.25/-0.20 1.10 +0.25/-0.20 1.10 +0.25/-0.20 1.30 +0.25/-0.20 1.30 +0.25/-0.20 1.10 +0.25/-0.20 1.30 +0.25/-0.20 1.30 +0.25/-0.20
b2 (mm) 1.45 +0.25/-0.20 1.45 +0.25/-0.20 1.45 +0.25/-0.20 1.65 +0.25/-0.20 1.65 +0.25/-0.20 1.45 +0.25/-0.20 1.65 +0.25/-0.20 2.15 +0.25/-0.20
D MAX. (mm)
P1 (mm) 17.8
P2 (mm) 17.8 12.5 17.8 17.8 15.0 25.4 25.4 20.0
S MAX. (mm) 2 2 2 2 2 2 2 2
B (mm)
0.8 0.8 0.8 1.0 1.0 0.8 1.0 1.0
PR01
2.5 12.5 17.8 3.9 17.8 15.0 25.4 5.2 25.4 22.0
PR02
PR03
2001 Jul 13
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BCcomponents
Product specification
Professional power metal film resistors
TESTS AND REQUIREMENTS Essentially all tests are carried out in accordance with the schedule of "IEC publication 60115-1", category LCT/UCT/56 (rated temperature range: Lower Category Temperature, Upper Category Temperature; damp heat, long term, 56 days). The testing also covers the requirements specified by EIA and EIAJ. The tests are carried out in accordance with IEC publication 60068-2, "Recommended basic climatic and mechanical robustness testing procedure for electronic components" and under standard atmospheric conditions according to "IEC 60068-1", subclause 5.3. Table 7 IEC 60115-1 CLAUSE Test procedures and requirements IEC 60068-2 TEST METHOD
PR01/02/03
In Table 7 the tests and requirements are listed with reference to the relevant clauses of "IEC publications 60115-1 and 60068-2"; a short description of the test procedure is also given. In some instances deviations from the IEC recommendations were necessary for our method of specifying. All soldering tests are performed with mildly activated flux.
TEST
PROCEDURE
REQUIREMENTS
Tests in accordance with the schedule of IEC publication 60115-1 4.4.1 4.4.2 4.5 visual examination dimensions (outline) gauge (mm) resistance applied voltage (+0/-10%): R < 10 : 0.1 V 10 R < 100 : 0.3 V 100 R < 1 k: 1 V 1 k R < 10 k: 3 V 10 k R < 100 k: 10 V 100 k R < 1 M: 25 V R = 1 M: 50 V 4.18 4.29 20 (Tb) 45 (Xa) resistance to soldering heat component solvent resistance solderability voltage proof on insulation thermal shock: 3 s; 350 C; 6 mm from body isopropyl alcohol or H2O followed by brushing in accordance with "MIL 202 F" 2 s; 235 C maximum voltage 500 V (RMS) during 1 minute; metal block method no holes; clean surface; no damage see Tables 4, 5 and 6 R - Rnom: max. 5%
R/R max.: 1% + 0.05
no visual damage
4.17 4.7
20 (Ta)
good tinning; no damage no breakdown or flashover
2001 Jul 13
23
BCcomponents
Product specification
Professional power metal film resistors
PR01/02/03
IEC 60115-1 CLAUSE 4.16 4.16.2 4.16.3
IEC 60068-2 TEST METHOD 21 (U) 21 (Ua1) 21 (Ub)
TEST
PROCEDURE
REQUIREMENTS
robustness of terminations: tensile all samples load 10 N; 10 s bending half number of samples torsion other half of samples bump vibration load 5 N; 4 x 90 number of failures: <1 x 10-6 number of failures: <1 x 10-6
4.16.4 4.20 4.22
21 (Uc) 29 (Eb) 6 (Fc)
3 x 360 in opposite directions 3 x 1500 bumps in three directions; 40 g frequency 10 to 500 Hz; displacement 1.5 mm or acceleration 10 g; three directions; total 6 hours (3 x 2 hours) 30 minutes at LCT and 30 minutes at UCT; 5 cycles
no damage R/R max.: 0.5% + 0.05 no damage R/R max.: 0.5% + 0.05 no damage R/R max.: 0.5% + 0.05
4.19
14 (Na)
rapid change of temperature
no visual damage PR01: R/R max.: 1% + 0.05 PR02: R/R max.: 1% + 0.05 PR03: R/R max.: 2% + 0.05
4.23 4.23.3 30 (Db)
climatic sequence: damp heat (accelerated) 1st cycle damp heat (accelerated) remaining cycles damp heat (steady state) (IEC) endurance (at 70 C) temperature coefficient 20 (Tb) solderability (after ageing) 6 days; 55 C; 95 to 98% RH Rins min.: 103 M
4.23.6
30 (Db)
R/R max.: 3% + 0.1
56 days; 40 C; 90 to 95% RH; loaded with 0.01 Pn (IEC steps: 4 to 100 V) 1000 hours; loaded with Pn or Vmax; 1.5 hours on and 0.5 hours off at 20/LCT/20 C and 20/UCT/20 C (TC x 10-6/K) 8 hours steam or 16 hours 155 C; leads immersed 6 mm for 2 0.5 s in a solder bath at 235 5 C Rins min.: 1000 M
4.24.2 4.25.1 4.8.4.2
3 (Ca)
R/R max.: 3% + 0.1 R/R max.: 5% + 0.1 250
Other tests in accordance with IEC 60115 clauses and IEC 60068 test method 4.17 good tinning (95% covered); no damage Rins min.: 104 M see Figs 5, 6, 7, 8, 9 and 10
4.6.1.1 see 2nd amendment to IEC 60115-1, Jan. '87
insulation resistance maximum voltage (DC) after 1 minute; metal block method pulse load
2001 Jul 13
24

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