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FR251G Datasheet, PDF (1/2 Pages) EIC discrete Semiconductors – GLASS PASSIVATED JUNCTION FAST RECOVERY RECTIFIERS
FR251G THRU FR257G
GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER
Reverse Voltage - 50 to 1000 Volts
Forward Current - 2.5 Amperes
Features
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0 utilizing
Flame retardant epoxy molding compound
Glass passivated junction in R-3 package
2.5 ampere operation at TA=55 with no thermal runaway
Fast switching for high efficiency
Mechanical Data
Case: Molded plastic, R-3
Terminals: Axial leads, solderable per
MIL-STD-202, method 208
Polarity: Band denotes cathode
Mounting Position: Any
Weight: 0.021 ounce, 0.60 gram
D IM E N S IO N S
inches
mm
DIM
Note
Min.
Max.
Min.
Max.
A
0.138
0.161
3.50
4.10
B
0.138
0.161
3.50
4.10
C
0.040
0.043
1.0
1.10
D
1.000
-
25.40
-
Maximum Ratings and Electrical Characteristics
Ratings at 25 ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
Symbols
FR
251G
FR
252G
FR
253G
FR
254G
FR
255G
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA=55
Peak forward
8.3mS single
surge current,
half sine-wave
IsFMup(eSruimrgpeo):sed
on rated load (MIL-STD-750D 4066 method)
VRRM
VRMS
VDC
I(AV)
IFSM
50
100
200
400
600
35
70
140
280
420
50
100
200
400
600
2.5
70.0
Maximum forward voltage @2.5A, 25
Maximum DC reverse current,
@ rated reverse voltage
Reverse recovery time (Note 1)
TT=j=12255
j
Typical junction capacitance (Note 2)
Typical thermal resistance (Note 3)
VF
IR
Trr
CJ
R JA
1.3
5.0
300.0
150
250
35.0
22.0
Operating and storage temperature range
TJ, TSTG
Notes:
(1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A
(2) Measured at 1.0MHz and applied reverse voltage of 4.0 volts
(3) Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
-55 to +150
FR
256G
800
560
800
FR
257G
1000
700
1000
500
Units
Volts
Volts
Volts
Amps
Amps
Volts
A
nS
F
/W
1