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Bulletin I2018 rev. B 09/98
25F(R) SERIES
STANDARD RECOVERY DIODES Stud Version
Features
High surge current capability Avalanche types available Stud cathode and stud anode version Wide current range Types up to 1200V VRRM
25 A
TypicalApplications
Battery charges Converters Power supplies Machine tool controls
Major Ratings and Characteristics
Parameters
IF(AV) @ TC IF(RMS) IFSM @ 50Hz @ 60Hz I2t @ 50Hz @ 60Hz VRRM TJ range range
25F(R)
25 120 40 356 373 636 580 100 to 1200 - 65 to 175
Units
A C A A A A2s A2 s V C
case style DO-203AA (DO-4)
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1
25F(R) Series
Bulletin I2018 rev. B 09/98
ELECTRICAL SPECIFICATIONS Voltage Ratings
Type number Voltage Code VRRM, maximum repetitive peak reverse voltage V
100 200 400 600 800 1000 1200
VRSM, maximum nonrepetitive peak reverse voltage V
150 275 500 725 950 1200 1400
VR(BR), minimum avalanche voltage V (1)
--500 750 950 1150 1350
IRRM max.
@ TJ = 175C
mA
10 20 25F(R) 40 60 80 100 120
12
(1) Avalanche version only available from VRRM 400V to 1200V.
Forward Conduction
Parameter
IF(AV) Max. average forward current @ Case temperature IF(RMS) Max. RMS forward current PR IFSM Maximum non-repetitive peak reverse power Max. peak, one-cycle forward, non-repetitive surge current 356 373 300 314 I 2t Maximum I2t for fusing 636 580 450 410 I2 t Maximum I2t for fusing voltage V F(TO)2 High level value of threshold voltage r
f1
25F(R)
25 120 40 10
Units Conditions
A C A K/W 10s square pulse, TJ = T J max. see note (2) t = 10ms t = 8.3ms A t = 10ms t = 8.3ms t = 10ms t = 8.3ms A2 s t = 10ms t = 8.3ms A2 s No voltage reapplied 100% VRRM reapplied No voltage reapplied 100% VRRM reapplied Sinusoidal half wave, Initial TJ = TJ max. 180 conduction, half sine wave
6360 0.80
t = 0.1 to 10ms, no voltage reapplied (16.7% x x IF(AV) < I < x IF(AV)), TJ = TJ max.
V F(TO)1 Low level value of threshold
V 0.90 (I > x I F(AV)), TJ = TJ max. (16.7% x x IF(AV) < I < x IF(AV)), TJ = TJ max. m 5.70 1.30 V (I > x I F(AV)), TJ = TJ max. I = 78A, TJ = 25C, t = 400s rectangular wave
pk p
Low level value of forward slope resistance
6.80
r
f2
High level value of forward slope resistance
VFM
Max. forward voltage drop
(2) Available only for Avalanche version, all other parameters the same as 25F.
2
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25F(R) Series
Bulletin I2018 rev. B 09/98
Thermal and Mechanical Specifications
Parameter
TJ Tstg RthJC RthCS T Max. junction operating temperature range Max. storage temperature range Max. thermal resistance, junction to case Max. thermal resistance, case to heatsink Mounting torque, 10%
25F(R)
-65 to 175 -65 to 200 1.5 0.5 1.2 (1.5)
Units
C
Conditions
DC operation K/W Nm Mounting surface, smooth, flat and greased Lubricated threads (Not lubricated threads) g (oz) See Outline Table
wt
Approximate weight Case style
7 (0.25) DO-203AA (DO-4)
RthJC Conduction
(The following table shows the increment of thermal resistence RthJC when devices operate at different conduction angles than DC)
Conduction angle
180 120 90 60 30
Sinusoidal conduction
0.28 0.39 0.50 0.73 1.20
Rectangular conduction Units
0.24 0.41 0.54 0.75 1.21 K/W
Conditions
TJ = TJ max.
Ordering Information Table
Device Code
A
1
25
2
F
3
R
4
120
5
M
6
1
-
A
= Avalanche diode
None = Standard diode 2 3 4 Current rating: Code = IF(AV) F = Standard device
None = Stud Normal Polarity (Cathode to Stud) R = Stud Reverse Polarity (Anode to Stud)
5 6
-
Voltage code: Code x 10 = VRRM (See Voltage Ratings table) None = Stud base DO-203AA (DO-4) 10-32UNF-2A M = Stud base DO-203AA (DO-4) M5 X 0.8 - (Not available for Avalanche diodes)
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25F(R) Series
Bulletin I2018 rev. B 09/98
Outlines Table
Case Style DO-203AA (DO-4)
All dimensions in millimeters (inches)
Maximum Allowable Case Temperature (C)
Maximum Allowable Case Temperature (C)
180 170 160 150
Conduction Angle
180 170 160 150
Conduction Period
25F(R) Series RthJC (DC) = 1.5 K/W
25F(R) Series RthJC (DC) = 1.5 K/W
140 130 120 110 30 100 0 5 10 15 20 25 30 Average Forward Current (A) 60 90 120 180
140 130 120 110 100 0 5 10 15 20 25 30 35 40 45 Average Forward Current (A) 30 90 60 120 180 DC
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
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25F(R) Series
Bulletin I2018 rev. B 09/98
35 30 25 20 15
Conduction Angle
Maximum Average Forward Power Loss (W)
180 120 90 60 30 RMS Limit
R th
3
2 W K/
4K /W
6
K /W
SA
= /W 1K el ta -D
K/ W
R
8K /W
12 K/W
10 5 0 0 5 10 15 20 25 25F(R) Series T = 175C J
20 K /W
40 K/W
30 0
25
50
75
100
125
150
175
Average Forward Current (A)
Maximum Allowable Ambient Temperature (C)
Fig. 3 - Forward Power Loss Characteristics
45 40 35 30 25 20 RMS Limit 15 10 5 0 0 5 10 15 20 25 30 35 40 0 25 50 75 100 125 150 175 Average Forward Current (A) Maximum Allowable Ambient Temperature (C) 25F(R) Series TJ = 175C
Conduction Period
Maximum Average Forward Power Loss (W)
DC 180 120 90 60 30
R th
2
3
K/ W
SA
=
K/ W
1 W K/
4K /W
ta el -D R
6 K/ W 8K /W
12 K /W
20 K/W 40 K/W
Fig. 4 - Forward Power Loss Characteristics
350 300 250 200 150 100 50 1 10 100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave Forward Current (A)
At Any Rated Load Condition And With Rated VRRM Applied Following Surge. Initial TJ = 175C @ 60 Hz 0.0083 s @ 50 Hz 0.0100 s
Peak Half Sine Wave Forward Current (A)
400 350 300 250 200 150 100 50 0 0.01
Maximum Non Repetitive Surge Current Versus Pulse Train Duration. Initial TJ = 175C No Voltage Reapplied Rated V RRM Reapplied
25F(R) Series
25F(R) Series
0.1
1
10
Pulse Train Duration (s)
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
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5
25F(R) Series
Bulletin I2018 rev. B 09/98
1000 Instantaneous Forward Current (A)
10 Steady State Value RthJC = 1.5 K/W (DC Operation)
100 T = 25C J T = 175C J
Transient Thermal Impedance ZthJC (K/W )
1
10
25F(R) Series 0.1 0.001
25F(R) Series 1 0 0.5 1 1.5 2 2.5 3 3.5 4 Instantaneous Forward Voltage (V)
0.01
0.1
1
10
Square Wave Pulse Duration (s)
Fig. 7 - Forward Voltage Drop Characteristics
Fig. 8 - Thermal Impedance ZthJC Characteristics
WORLD HEADQUARTERS: EUROPEAN HEADQUARTERS: IR CANADA: IR GERMANY: IR ITALY: IR FAR EAST: IR SOUTHEAST ASIA: IR TAIWAN:
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Data and specifications subject to change without notice.
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