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BC Components
Product specification
Varistors
FEATURES * Zinc oxide disc, epoxy coated * Straight leads * Straight leads with flange (2322 592 and 593 series only) * Kinked leads. APPLICATION * Suppression of transients. DESCRIPTION The varistors consist of a disc of low- ceramic material with two tinned solid copper leads. They are coated with a layer of ochre coloured epoxy, which provides electrical, mechanical and climatic protection. The encapsulation is resistant to all cleaning solvents in accordance with "IEC 60068-2-45". MARKING The varistors are marked with the following information: * Maximum continuous RMS voltage * Series number (592, 593, 594 or 595) * Manufacturers logo * Date of manufacture. ORDERING INFORMATION The varistors are available in a number of packaging options: * Bulk * On tape on reel * On tape in ammopack. The basic ordering code for each option is given in Tables 3, 4 and 5. To complete the catalogue number and to determine the required operating parameters, see Table 7.
2322 592 to 2322 595
MOUNTING The varistors are suitable for processing on automatic insertion and cutting and bending equipment. Varistors with flanged leads provide better positioning on printed-circuit boards (PCB) and more accurate control over component height. This is important for hand mounting and automatic insertion techniques; see Fig.4. Soldering 240 C; duration 5 s. Resistance to heat 260 C; duration 5 s. INFLAMMABILITY The varistors are non-flammable.
QUICK REFERENCE DATA PARAMETER Maximum continuous voltage: RMS DC Maximum non-repetitive transient current Inrp (8 x 20 s) Robustness of terminations Drop test: Height of fall Detailed specification Climatic category 1 based on CECC 42000 40/085/56 m 14 to 550 18 to 745 100 to 4500 10 V V A N VALUE UNIT
1999 May 17
306
BC Components
Product specification
Varistors
MECHANICAL DATA
2322 592 to 2322 595
D
T
D
T
A
A0
F F d
CCB175
L L d
CCB176
For dimensions, see Table 1.
For dimensions, see Table 1.
Fig.2 Fig.1 Outline of component with straight leads.
Outline of component with straight leads and flange.
D
T
A0 1 min. F
0.3
L d
MBD256
CCB177
1.4 to 1.6
For dimensions, see Table 1.
Dimensions in mm.
Fig.3 Outline of component with kinked leads.
Fig.4 Outlines of flanged leads.
1999 May 17
307
BC Components
Product specification
Varistors
Table 1 D MAX. (mm) 7.0 9.0 13.5 17.0 Component dimensions and catalogue numbers A MAX. (mm) 9.0 11.0 15.5 19.0 A0 MAX. (mm) 11.0 13.0 18.0 23.0 L MIN. (mm) 27.0 27.0 17.0 16.0 T MAX. (mm) 6 6 7 7 T MIN. (mm) 4.1 4.1 4.4 4.4 d (mm) 0.6 +0.0/-0.02 0.6 +0.0/-0.02 0.8 +0.0/-0.02 0.8 +0.0/-0.02
2322 592 to 2322 595
F (mm) 5 +0.6/-0.1 5 +0.6/-0.1 7.5 0.8 7.5 0.8
CATALOGUE NUMBER 2322 592 ..... 2322 593 ..... 2322 594 ..... 2322 595 .....
PACKAGING
P D T p p h h
A
F Od H W2 W1 W0 W A
MBE584
D0
P0
P1
F t
detail A
For dimensions, see Table 2.
Fig.5 Taped version with straight leads (only for 2322 592 and 2322 593 series).
1999 May 17
308
BC Components
Product specification
Varistors
2322 592 to 2322 595
P D
T p p h h
A
F Od H W2 W1 W0 W A
P
MLA703 - 1
0
P1
F
D0 t
For dimensions, see Table 2.
detail A
Fig.6 Taped version with straight leads (only for 2322 594 and 2322 595 series).
handbook, full pagewidth
P D p p h
T h
A0
Od
W2 W1 W0 W
H0
A
P1
F P0
D0 t detail A
CCA440
For dimensions, see Table 2.
Fig.7 Taped version with flanged leads (only for 2322 592 and 2322 593 series).
1999 May 17
309
BC Components
Product specification
Varistors
2322 592 to 2322 595
P D
handbook, full pagewidth
T p p h h
A0 1 min. d
W2 W1 W0 W A
H0
P1
F P0
D0 t detail A
CCB178
For dimensions, see Table 2.
Fig.8 Taped version with kinked leads (only for 2322 592 and 2322 593 series).
P D
handbook, full pagewidth
T p p h h
A0 1 min. d
W2 W1 W0 W A
H0
P1 P0
F
D0 t detail A
CCB179
For dimensions, see Table 2.
Fig.9 Taped version with kinked leads (only for 2322 594 and 2322 595 series).
1999 May 17
310
BC Components
Product specification
Varistors
Table 2 Taping data (based on "IEC 60286-2" ) PARAMETER body diameter total thickness mounting height lead diameter lead to lead distance component pitch feed hole pitch feed hole centre to lead centre component alignment component alignment tape width hold down tape width hole position hold down tape position height between component and tape centre lead-wire flange height feed hole diameter total tape thickness 18.0 20.0 16.0 or 18.25 4.0 9.0 DIMENSIONS NOMINAL (mm) TOLERANCE (mm)
2322 592 to 2322 595
SYMBOL D T A0 ; A d F P P0 P1 p h W W0 W1 W2
REMARKS
see Table 1 see Table 1 see Table 1 see Table 1 see Table 1 12.7 or 25.4 12.7 3.85 or 8.95 0.0 0.0 18.0 1.0 0.3 0.7 1.3 2.0 +1.0/-0.5 12.5 0.5 3.0 +2.0/-0.0 +2.0/-0.0 0.5 0.2 1.4 with cardboard tape 0.5 0.1 mm straight lead version 2322 594 and 2322 585 straight lead version 2322 592 and 2322 593 flanged and kinked lead versions cumulative pitch error 1 mm/20 pitches guaranteed between component and tape guaranteed between component and tape
H
H0 D0 t
1999 May 17
311
BC Components
Product specification
Varistors
Table 3 Varistors on tape on reel TYPE Straight leads: H = 18 mm (2322 594 and 2322 595); see Fig.6 H = 20 mm (2322 592 and 2322 593); see Fig.5 Straight leads with flange; H0 = 16 mm; see Fig.7 Straight leads with flange; H0 = 18.25 mm; see Fig.7 Kinked leads; H0 = 18.25 mm; see Fig.9 Kinked leads; H0 = 16 mm; see Fig.8 Package quantities 14 V to 460 V 510 V to 550 V 3000 - 3000 - 0...6 0...6 1...6 2...6 3...6 8...6 0...6 0...6 1...6 2...6 3...6 8...6
2322 592 to 2322 595
2322 592 ..... 2322 593 ..... 2322 594 ..... 2322 595 ..... 7 mm 9 mm 13.5 mm 17 mm 14 V to 460 V 14 V to 460 V 14 V to 550 V 14 V to 460 V 0...6 0...6 - - 3...6 8...6 0...6 0...6 - - 3...6 8...6
1500 1200
1500 1200
,, ,, ,, ,, ,, ,, ,, ,, ,, ,, ,, ,,
42 1 56 max
3
18
30
1 0
77
85.6
92
356 max
22.5
MBC026
,, ,, ,, ,, ,, ,, ,, ,, ,, ,, ,, ,,
46 1 60 max
3
18
30
1 0
77
85.6
92
356 max
22.5
MBD257
Dimensions in mm.
Fig.10 Dimensions of reels.
1999 May 17
312
BC Components
Product specification
Varistors
Table 4 Varistors on tape in ammopack TYPE Straight leads; H = 18 or 20 mm; see Figs 5 and 6 Straight leads with flange; H0 = 16 mm; see Fig.7 Straight leads with flange; H0 = 18.25 mm; see Fig.7 Kinked leads; H0 = 18.25 mm; see Fig.9 Kinked leads; H0 = 16 mm; see Fig.8 Package quantities 14 to 175 V 230 to 460 V 230 to 300 V 320 to 550 V 1500 1000 - - 1500 1000 - - 2322 592 ..... 7 mm 14 V to 460 V 0...7 2322 593 ..... 9 mm 14 V to 460 V 0...7
2322 592 to 2322 595
2322 594 ..... 13.5 mm 14 V to 550 V 0...7 - - 3...7 8...7
2322 595 ..... 17 mm 14 V to 550 V 0...7 - - 3...7 8...7
1...7 2...7 3...7 8...7
1...7 2...7 3...7 8...7
750 - 600 500
750 - 600 500
52 or 55 max 340 max
250 max
MBC996 - 1
Dimensions in mm.
Fig.11 Dimensions of ammopack.
1999 May 17
313
BC Components
Product specification
Varistors
Table 5 Varistors in bulk TYPE Straight leads; see Fig.1 Straight leads with flange; see Fig.2 Kinked leads; see Fig.3 Package quantities 2322 592 ..... 7 mm 14 V to 460 V 5...6 7...6 6...6 250 2322 593 ..... 9 mm 14 V to 460 V 5...6 7...6 6...6 250
2322 592 to 2322 595
2322 594 ..... 13.5 mm 14 V to 550 V 5...6 - 6...6 250
2322 595 ..... 17 mm 14 V to 550 V 5...6 - 6...6 100 and 250
1999 May 17
314
BC Components
Product specification
Varistors
ELECTRICAL CHARACTERISTICS Table 6 Electrical data PARAMETER Maximum continuous voltage: RMS DC Maximum non-repetitive transient current (Inrp) (8 x 20 s): 2322 592 ..... 2322 593 ..... 2322 594 ..... 2322 595 ..... Thermal resistance: 2322 592 ..... 2322 593 ..... 2322 594 ..... 2322 595 ..... Maximum dissipation: 2322 592 ..... 2322 593 ..... 2322 594 ..... 2322 595 ..... Temperature coefficient of voltage at 1 mA maximum Voltage proof between interconnected leads and case Climatic category 100 250 400 600 80 70 60 50
2322 592 to 2322 595
VALUE 14 to 550 18 to 745 100 or 400 250 or 1200 500 or 2500 1000 or 4500 V V A A A A
UNIT
K/W K/W K/W K/W mW mW mW mW %/K V
-0.065 2500 40/085/56
V (%) 100
MBD255 - 1
0 40 80 T ( oC) 125
Fig.12 Derating curve.
1999 May 17
315
BC Components
Product specification
Varistors
Table 7 Electrical data and ordering information Replace last digit of catalogue number with a `7' for ordering on tape in ammopack. MAXIMUM CONTINUOUS VOLTAGE RMS(1) (V) 14 DC (V) 18 MAXIMUM VOLTAGE at STATED CURRENT V (V) 48 43 43 43 17 22 27 60 53 53 53 20 26 33 73 65 65 65 25 31 39 86 77 77 77 30 38 47 96 93 93 90 35 45 56 123 115 110 105 40 56 68 145 135 130 130 50 65 82 145 140 140 140 I (A) 1.0 2.5 5.0 10.0 1.0 2.5 5.0 10.0 1.0 2.5 5.0 10.0 1.0 2.5 5.0 10.0 1.0 2.5 5.0 10.0 1.0 2.5 5.0 10.0 1.0 2.5 5.0 10.0 5.0 10.0 25.0 50.0 MAXIMUM ENERGY(3) (10 x 1000 s) MAXIMUM NON-REP. TRANSIENT CURRENT(4) Inrp (8 x 20 s) (A) 100 250 500 1000 100 250 500 1000 100 250 500 1000 100 250 500 1000 100 250 500 1000 100 250 500 1000 100 250 500 1000 400 1200 2500 4500
2322 592 to 2322 595
VOLTAGE(2) at 1 mA
TYPICAL CAPACITANCE at 1 kHz
CATALOGUE NUMBERS
(V) 22
(J) 0.5 1.7 4.3 5.4 0.7 2.0 5.3 6.9 0.8 2.5 6.5 8.8 0.9 3.0 7.7 9.4 1.1 3.6 9.2 12.0 1.4 4.4 11.0 14.0 1.6 5.2 13.0 17.0 2.6 7.0 12.0 21.0
(pF) 1300 2800 6000 15000 1050 2000 4000 10000 900 1500 3000 7500 500 1350 2600 6500 700 1600 2700 6000 560 1300 2200 4800 460 1000 1800 3800 370 900 1500 3100
2322 ... ..... 592 .1406(5) 593 .1406(5) 594 .1406(5) 595 .1406(5) 592 .1706(5) 593 .1706(5) 594 .1706(5) 595 .1706(5) 592 .2006(5) 593 .2006(5) 594 .2006(5) 595 .2006(5) 592 .2506(5) 593 .2506(5) 594 .2506(5) 595 .2506(5) 592 .3006(6) 593 .3006(6) 594 .3006(6) 595 .3006(6) 592 .3506(6) 593 .3506(6) 594 .3506(6) 595 .3506(6) 592 .4006(6) 593 .4006(6) 594 .4006(6) 595 .4006(6) 592 .5006(6) 593 .5006(6) 594 .5006(6) 595 .5006(6)
1999 May 17
316
BC Components
Product specification
Varistors
2322 592 to 2322 595
MAXIMUM CONTINUOUS VOLTAGE RMS(1) (V) 60 DC (V) 85
VOLTAGE(2) at 1 mA
MAXIMUM VOLTAGE at STATED CURRENT V (V) 165 165 165 165 I (A) 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0
MAXIMUM ENERGY(3) (10 x 1000 s)
MAXIMUM NON-REP. TRANSIENT CURRENT(4) Inrp (8 x 20 s) (A) 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500
TYPICAL CAPACITANCE at 1 kHz
CATALOGUE NUMBERS
(V) 100
(J) 2.9 8.3 15.0 24.0 3.4 10.0 18.0 29.0 4.1 13.0 22.0 37.0 5.5 17.0 30.0 56.0 6.3 21.0 33.0 57.0 7.1 20.0 36.0 59.0 7.3 23.0 41.0 67.0 10.0 30.0 54.0 88.0
(pF) 290 700 1200 2300 240 530 1000 1900 180 450 800 1500 130 320 580 1050 120 290 540 950 110 270 490 850 90 230 430 750 70 170 320 540
2322 ... ..... 592 .6006(6) 593 .6006(6) 594 .6006(6) 595 .6006(6) 592 .7506(6) 593 .7506(6) 594 .7506(6) 595 .7506(6) 592 .9506(6) 593 .9506(6) 594 .9506(6) 595 .9506(6) 592 .1316(6) 593 .1316(6) 594 .1316(6) 595 .1316(6) 592 .1416(6) 593 .1416(6) 594 .1416(6) 595 .1416(6) 592 .1516(6) 593 .1516(6) 594 .1516(6) 595 .1516(6) 592 .1716(6) 593 .1716(6) 594 .1716(6) 595 .1716(6) 592 .2316(6) 593 .2316(6) 594 .2316(6) 595 .2316(6)
75
100
120
190 200 200 200
95
125
150
230 250 250 250
130
170
205
310 340 340 340
140
180
220
350 370 370 370
150
200
240
395 400 400 400
175
225
275
410 455 455 455
230
300
360
560 600 600 600
1999 May 17
317
BC Components
Product specification
Varistors
2322 592 to 2322 595
MAXIMUM CONTINUOUS VOLTAGE RMS(1) (V) 250 DC (V) 320
VOLTAGE(2) at 1 mA
MAXIMUM VOLTAGE at STATED CURRENT V (V) 600 650 650 650 I (A) 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 5.0 10.0 25.0 50.0 25.0 50.0 25.0 50.0
MAXIMUM ENERGY(3) (10 x 1000 s)
MAXIMUM NON-REP. TRANSIENT CURRENT(4) Inrp (8 x 20 s) (A) 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 400 1200 2500 4500 2500 4500 2500 4500
TYPICAL CAPACITANCE at 1 kHz
CATALOGUE NUMBERS
(V) 390
(J) 11.0 33.0 58.0 96.0 12.0 36.0 63.0 104.0 13.0 40.0 71.0 117.0 15.0 44.0 77.0 120.0 18.0 51.0 67.0 110.0 20.0 56.0 73.0 120.0 21.0 63.0 82.0 135.0 89.0 145.0 98.0 160.0
(pF) 60 160 300 480 55 140 270 440 50 130 240 400 45 120 220 370 40 95 180 280 35 85 165 250 30 75 150 225 135 220 120 180
2322 ... ..... 592 .2516(6) 593 .2516(6) 594 .2516(6) 595 .2516(6) 592 .2716(6) 593 .2716(6) 594 .2716(6) 595 .2716(6) 592 .3016(6) 593 .3016(6) 594 .3016(6) 595 .3016(6) 592 .3216(6) 593 .3216(6) 594 .3216(6) 595 .3216(6) 592 .3816(6) 593 .3816(6) 594 .3816(6) 595 .3816(6) 592 .4216(6) 593 .4216(6) 594 .4216(6) 595 .4216(6) 592 .4616(6) 593 .4616(6) 594 .4616(6) 595 .4616(6) 594 .5116(6) 595 .5116(6) 594 .5516(6) 595 .5516(6)
275
350
430
695 710 710 710
300
385
470
750 800 800 800
320
420
510
800 850 850 850
385
505
620
1000 1025 1025 1025
420
560
680
1100 1120 1120 1120
460
615
750
1200 1240 1240 1240
510 550
670 745
820 910
1355 1355 1500 1500
1999 May 17
318
BC Components
Product specification
Varistors
Notes to Table 7
2322 592 to 2322 595
1. The sinusoidal voltage is assumed as the normal operating condition. If a non-sinusoidal voltage is present, type selection should be based on multiplying the peak voltage by a factor of 0.707. 2. The voltage measured at 1 mA meets the requirements of "paragraph 4.3 of CECC specification 42000". The tolerance on the voltage at 1 mA is 10%. 3. High energy surges are generally of longer duration. The maximum energy for one pulse of 10 x 1000 s is given as a reference for longer duration pulses. This pulse can be characterised by peak current (Ip) and pulse width t2 (virtual time of half Ip value, following "IEC 60060-2, section 6" ). If Vp is the clamping voltage corresponding to Ip, the energy absorbed in the varistor is determined by the formula: E = K x Vp x Ip x t2 where: K is dependent on the value of t2 when the value of t1 is between 8 s and 10 s; see Fig.13. 4. A current wave of 8 x 20 s (requirement of "paragraph B.2.10.1 of CECC specification 42000" ) is used as a standard for pulse current and clamping voltage ratings. The maximum non-repetitive transient current is given for one pulse applied during the life of the component. 5. Only available on request 6. CECC approved types.
handbook, halfpage Ip
CCB922
(%) 100 90
t2 (s) 20 50 100 1000
K 1 1.2 1.3 1.4
50
10 0 t1 t2 t (s)
Fig.13 Peak current as a function of pulse width.
1999 May 17
319
BC Components
Product specification
Varistors
2322 592 to 2322 595
max. leakage current V (V) 400 300
max. clamping voltage
MBD243
.4006 .3506
200
.3006 .2506 .2006 .1706 .1406
100 80 60 50 40 30
20
10 10 5
10 4
10 3
10 2
10 1
1
10
10 2
I (A)
10 3
Fig.14 V/I characteristics, 14 V to 40 V (RMS); 2322 592 series.
max. leakage current 3000 V (V) 2000
max. clamping voltage
MCD668 - 1
1000 800 600 500 400 300 200
.4616 .4216 .3816 .3216 .3016 .2716 .2516 .2316 .1716 .1516 .1416 .1316 .9506 .7506 .6006 .5006
100 80 60 50 40 10 5 10 4 10 3 10 2 10 1 1 10 10 2 10 3 I (A) 10 4
Fig.15 V/I characteristics, 50 V to 460 V (RMS); 2322 592 series.
1999 May 17
320
BC Components
Product specification
Varistors
2322 592 to 2322 595
max. leakage current V (V) 400 300
max. clamping voltage
MBD240
.4006 .3506 .3006 .2506 .2006
200
100 80 60 50 40 30
.1706 .1406
20
10 10 5
10 4
10 3
10 2
10 1
1
10
10 2
I (A)
10 3
Fig.16 V/I characteristics, 14 V to 40 V (RMS); 2322 593 series.
max. leakage current V (V) 3000 2000
max. clamping voltage
MCD669 - 1
1000 800 600 500 400 300 200
.4616 .4216 .3816 .3216 .3016 .2716 .2516 .2316 .1716 .1516 .1416 .1316 .9506 .7506 .6006 .5006
100 80 60 50 40 5 10 10
4
10
3
10
2
10
1
1
10
10
2
10
3
I (A) 10
4
Fig.17 V/I characteristics, 50 V to 460 V (RMS); 2322 593 series.
1999 May 17
321
BC Components
Product specification
Varistors
2322 592 to 2322 595
max. leakage current V (V) 400 300
max. clamping voltage
MBD241
.4006 .3506 .3006 200 .2506 .2006 .1706 100 80 60 50 40 30 .1406
20
10 10 5
10 4
10 3
10 2
10 1
1
10
10 2
I (A)
10 3
Fig.18 V/I characteristics, 14 V to 40 V (RMS); 2322 594 series.
max. leakage current V (V) 3000 2000
max. clamping voltage
MCD670 - 1
1000 800 600 500 400 300 200
.5516 .5116 .4616 .4216 .3816 .3216 .3016 .2716 .2516 .2316 .1716 .1516 .1416 .1316 .9506 .7506 .6006 .5006
100 80 60 50 40 10 5 10 4 10 3 10 2 10 1 1 10 10 2 10 3 I (A) 10 4
Fig.19 V/I characteristics, 50 V to 550 V (RMS); 2322 594 series.
1999 May 17
322
BC Components
Product specification
Varistors
2322 592 to 2322 595
max. leakage current V (V) 400 300
max. clamping voltage
MBD242
.4006 200 .3506 .3006 .2506 100 80 60 50 40 30 .2006 .1706 .1406
20
10 10 5
10 4
10 3
10 2
10 1
1
10
10 2
I (A)
10 3
Fig.20 V/I characteristics, 14 V to 40 V (RMS); 2322 595 series.
max. leakage current V (V) 3000 2000
max. clamping voltage
MCD671 - 1
1000 800 600 500 400 300 200
.5516 .5116 .4616 .4216 .3816 .3216 .3016 .2716 .2516 .2316 .1716 .1516 .1416 .1316 .9506 .7506 .6006 .5006
100 80 60 50 40 10 5 10 4 10 3 10 2 10 1 1 10 10 2 10 3 I (A) 10 4
Fig.21 V/I characteristics, 50 V to 550 V (RMS); 2322 595 series.
1999 May 17
323
BC Components
Product specification
Varistors
2322 592 to 2322 595
MBD244
I nrp (A) 10
2
1
10 10 2 10 3 10 4 10 5 10 6 1
10
10 1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.22 Maximum applicable transient current as a function of pulse duration, 14 V to 40 V (RMS); 2322 592 series.
MBD245
1 I nrp (A) 10 2 10 10 2 10 3 10 4 10 5 10 10 6
1
10 1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.23 Maximum applicable transient current as a function of pulse duration, 50 V to 460 V (RMS); 2322 592 series.
1999 May 17
324
BC Components
Product specification
Varistors
2322 592 to 2322 595
MBD246
I nrp (A) 10
2
1 10 10 2 10 3 10 4 10 5 10 6
10
1
10 1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.24 Maximum applicable transient current as a function of pulse duration, 14 V to 40 V (RMS); 2322 593 series.
MBD247
I nrp (A) 10 3 1
10 10 2 10 3 10 4 10 5 10 6
10
2
10
1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.25 Maximum applicable transient current as a function of pulse duration, 50 V to 460 V (RMS); 2322 593 series.
1999 May 17
325
BC Components
Product specification
Varistors
2322 592 to 2322 595
MBD248
I nrp (A) 10 3 1
10 10
2
10 2 10 3 10 4 5 10 10 6
10
1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.26 Maximum applicable transient current as a function of pulse duration, 14 V to 40 V (RMS); 2322 594 series.
MBD249
I nrp (A) 10 3
1
10 10 2 10 3 10 4 10 5 10 6
10
2
10
1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.27 Maximum applicable transient current as a function of pulse duration, 50 V to 320 V (RMS); 2322 594 series.
1999 May 17
326
BC Components
Product specification
Varistors
2322 592 to 2322 595
MBD250
I nrp (A) 10 3
1
10 10 2 10 3 10 4 10 5 10 6
10
2
10
1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.28 Maximum applicable transient current as a function of pulse duration, 385 V to 550 V (RMS); 2322 594 series.
MBD251
I nrp (A) 10 3 1 10 10 2 10 3 10
2
10
4
10 5 10 6 10
1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.29 Maximum applicable transient current as a function of pulse duration, 14 V to 40 V (RMS); 2322 595 series.
1999 May 17
327
BC Components
Product specification
Varistors
2322 592 to 2322 595
MBD252
1 I nrp (A) 10 3 10 10 2 10 3 10 4 10
2
10 5 10
6
10
1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.30 Maximum applicable transient current as a function of pulse duration, 50 V to 320 V (RMS); 2322 595 series.
MBD253
1 I nrp (A) 10 3 10 10 2 10 3 10 4 10
2
10 5 10
6
10
1 10
10 2
10 3
10 4
t p (s)
10 5
Fig.31 Maximum applicable transient current as a function of pulse duration, 385 V to 550 V (RMS); 2322 595 series.
1999 May 17
328

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