BY251 Datasheet, PDF (2/4 Pages) Pan Jit International Inc. – MEDIUM CURRENT PLASTIC RECTIFIER(VOLTAGE - 200 to 1300 Volts CURRENT - 3.0 Amperes)

Technical Data
Data Sheet N0552, Rev. A
MARKING DIAGRAM
BY251
BY251-BY255
Green Products
= Part Name
Cautions：Molding resin
Epoxy resin UL:94V-0
ORDERING INFORMATION
Device
BY251-BY255
Package
DO-201AD
(Pb-Free)
Shipping
1250pcs / tape
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specification.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz, resistive or inductive load, for capacitive load current derate by 20%.
Characteristic
Symbol BY251 BY252 BY253 BY254 BY255 Unit
Maximum repetitive peak reverse voltage
Maximum DC blocking voltage
V_RRM
V_DC
200
Maximum RMS voltage
V_RMS
140
Maximum average forward rectified current
0.375”(9.5mm) lead length at @T_A = 75°C
I_(AV)
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC
I_FSM
Method)
Maximum instantaneous forward voltage at 3.0A
V_F
Maximum DC reverse current @T_A = 25°C
At Rated DC Blocking Voltage @T_A = 100°C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating junction and storage temperature
range
I_R
C_J
R_θJA
T_J, T_STG
400
600
280
420
3.0
800 1300 V
560 910 V
A
150
1.1
10.0
500
30.0
20.0
-65 to +175
A
V
µA
pF
°C/W
°C
Note: 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length, P.C.B. mounted
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