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BY251 Datasheet, PDF (1/2 Pages) Pan Jit International Inc. – MEDIUM CURRENT PLASTIC RECTIFIER(VOLTAGE - 200 to 1300 Volts CURRENT - 3.0 Amperes)
BY251 THRU BY255
MEDIUM CURRENT PLASTIC RECTIFIER
VOLTAGE - 200 to 1300 Volts CURRENT - 3.0 Amperes
FEATURES
l High surge current capability
l Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
l Low leakage
l Void-free molded in DO-201AD plastic package
l High current operation of 3 Amperes at TA=95
with no thermal runaway
l Exceeds environmental standards of MIL-S-19500/228
DO-201AD
MECHANICAL DATA
Case: JEDEC DO-201AD Molded plastic
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode
Mounting Position: Any
Weight: 0.04 ounce, 1.1 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified
Current .375"(9.5mm) Lead Length at
TA=95
Peak Forward Surge Current 8.3ms single
half sine-wave superimposed on rated load
(JEDEC method)
Maximum Instantaneous Forward Voltage TJ=25
at 3.0A
TJ=100
Maximum DC Reverse Current TA=25
at Rated DC Blocking Voltage TA=100
Typical Junction capacitance (Note 2) TJ=25
Typical Reverse Recovery Time (Note 3)
Typical Thermal Resistance (Note 1)
Operating Junction Temperature Range
Storage Temperature Range
SYMBOLS
VRRM
VRMS
VDC
I(AV)
BY251
200
140
200
BY252
400
280
400
BY253
600
420
600
3.0
BY254
800
560
800
IFSM
100.0
VF
IR
CJ
TRR
R JA
TJ
TSTG
1.1
1.0
5.0
1000
40
2.5
15.0
-50 to +150
-50 to +150
BY255
1300
910
1300
UNITS
Volts
Volts
Volts
Amps
Amps
Volts
Volts
A
A
PF
A
/W