BY251 Datasheet, PDF (1/2 Pages) Pan Jit International Inc. – MEDIUM CURRENT PLASTIC RECTIFIER(VOLTAGE - 200 to 1300 Volts CURRENT - 3.0 Amperes)

BY251-BY255
3.0 AMP. Silicon Rectifiers
DO-201AD
Features
High efficiency, Low VF
High current capability
High reliability
High surge current capability
Low power loss
Mechanical Data
Cases: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Polarity: Color band denotes cathode
High temperature soldering guaranteed:
260^oC/10 seconds/.375”,(9.5mm) lead
lengths at 5 lbs., (2.3kg) tension
Weight: 1.2 grams
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25 ^oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Symbol BY251 BY252 BY253 BY254 BY255 Units
Maximum Recurrent Peak Reverse Voltage
V_RRM
200
400
600
800 1300
V
Maximum RMS Voltage
V_RMS
140 280 420 560 910
V
Maximum DC Blocking Voltage
V_DC
200 400 600 800 1300 V
Maximum Average Forward Rectified
Current . 375 (9.5mm) Lead Length
I_(AV)
3.0
A
@TA = 75 ^oC
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
I_FSM
150
A
Load (JEDEC method )
Maximum Instantaneous Forward Voltage
@ 3.0A
Maximum DC Reverse Current @ TA=25 ^oC
at Rated DC Blocking Voltage @ TA=125 ^oC
Maximum Full Load Reverse Current, Full
Cycle Average .375”(9.5mm) Lead Length
@TL=75℃
Typical Junction Capacitance ( Note 1 )
V_F
I_R
HT_IR
Cj
1.0
V
5.0
uA
100
uA
30
uA
40
pF
Typical Thermal Resistance ( Note 2 )
R_θJA
40
Operating Temperature Range
TJ
-65 to +150
Storage Temperature Range
TSTG
-65 to +150
Notes:
1. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
2. Mount on Cu-Pad Size 16mm x 16mm on P.C.B.
o_C/W
o_C
o_C
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