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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
FEATURE
High surge current capability
Plastic package has underwriters laboratory
Flammability classification 94V-O
Low leakage
Void-free molded in DO-201AD plastic
package
High current operation of 3 Amperse
at TA=950C with no thermal runaway
Exceeds enviromental standard of MIL-STD-
19500/228
MECHANICAL DATA
Case:JEDEC D0-201AD molded plastic
Trminals:plated axials leads ,solderable per
MIL-STD-750, Method 2026
Polarity:Color band denotes cathode
Weight:0.04 ounce, 1.1gram
Mounting Position:Any
CHENG- YI
ELECTRONIC
VOLTAGE RANGE-200 TO 1300 Volts
CURRENT -3.0 Amperes
DO-201AD
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 250C ambient temperature unless otherwise specified.
60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
BY251
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
VRRM
200
VRMS
140
VDC
200
Maximum Average Forward Rectified Current
.375", (9.5mm) lead lengths at TA=950C
I(AV)
BY252
400
280
400
BY253
600
420
600
3.0
BY254
800
560
800
Peak Forward Surge Current
8.3 ms single half sine-wave superimposed on
IFSM
rated load (JEDEC method)
100.0
Maximum Instantaneous Forward Voltage TJ =250C
at 3.0A T J =1000C
VF
1.1
1.0
Maximum DC Reverse Current TA=250C
at Rated DC Blocking Voltage TA=1000C
IR
5.0
500
Typical Junction Capacitance (Note 2) TJ =250C
CJ
28.0
Typical Reverse Recovery Time (Note 3)
TRR
2.5
Typical Thermal Resistance (Note1)
T JA
15.0
Operating Junction Temperature Range
TJ
-55 to +150
Storage Temperature Range
TSTG
-55 to +150
Notes : 1. Thermal Resistance from Junction to applied at ambient .375" (9.5mm) lead lengths, P.C. Board mounted.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
3. Reverse Recovery Test Conditions : IF=0.5A, IR=1.0A, Irr=0.25A.
BY255
1300
910
1300
UNITS
V
V
V
A
A
V
pF
0C / W
0C
0C