GOOD-ARK FR257G, FR256G, FR254G, FR253G, FR255G Datasheet
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GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER
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,
Polarity: Band denotes cathode
Mounting Position: Any
Weight: 0.021 ounce, 0.60 gram
method 208
FR251G THRU FR257G
Reverse Voltage -
Forward Current -
DIMENSIONS
DIM
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 -
inches mm
Min. Max. Min. Max.
50 to 1000 Volts
2.5 Amperes
Note
Maximum Ratings and Electrical Characteristics
Ratings at 25 ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
Symbols
Maximum repetitive peak reverse voltage V
Maximum RMS voltage V
Maximum DC blocking voltage V
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
Peak forward surge current, IFM (Surge):
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
Maximum forward voltage @2.5A, 25
Maximum DC reverse current, T
@ rated reverse voltage Tj=125
Reverse recovery time (Note 1) T
Typical junction capacitance (Note 2) C
Typical thermal resistance (Note 3) R
Operating and storage temperature range T
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
A
=55
j
=25
RRM
RMS
I
(AV)
I
FSM
V
I
, T
J
FR
251GFR252GFR253GFR254GFR255GFR256GFR257G
50 100 200 400 600 800 1000 Volts
35 70 140 280 420 560 700 Volts
50 100 200 400 600 800 1000 Volts
DC
F
R
rr
J
JA
STG
1
Units
2.5 Amps
70.0 Amps
1.3 Volts
5.0
300.0
150 250 500 nS
35.0
22.0
-55 to +150
A
F
/W
RATINGS AND CHARACTERISTIC CURVES
2
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