GAR251 thru GAR256 / GARS251 thru GARS256
Button Diodes
Current 25 Amps
Voltage Range 100 to 600Volts
Technical Specification:
Features:
Low leakage
Low forward voltage drop
High current capability
High forward surge current capability
Mechanical Data:
Technology: Vacuum soldered.
Case: Transfer molded plastic.
Polarity: Color ring denotes cathode.
Lead: Plated lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.064 ounces, 1.8 grams
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load derate current by 20%.
Parameters
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum Average rectified forward current at T
C
=105
o
C
Peak forward surge current 8.3mS single half sine-wave
superimposed on rated load (JEDEC Method)
Rating for fusing (t<8.3mS)
Maximum instantaneous forward voltage drop at 100A
Maximum DC reverse current
at rated DC blocking voltage
Typical thermal resistance
Operating and storage temperature range
Notes:
T
A
=25
o
C
T
C
=150
o
C
Symbols
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
I
2
t
V
F
I
R
R
θ
JL
T
J
, T
STG
GAR251
GARS251
100
70
100
GAR252
GARS252
200
140
200
GAR253
GARS253
300
210
300
25
400
664
1.10
5.0
450
1.0
-65 to +175
o
GAR254
GARS254
400
280
400
GAR256
GARS256
600
420
600
Units
Volts
Volts
Volts
Amps
Amps
A
2
S
Volts
uA
C/W
o
C
1. Enough heatsink must be considered in application.
39
嵌入式系统
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