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
3.0 AMP SILICON RECTIFIERS
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 1.10 grams
VOLTAGE RANGE
200 to 1300 Volts
CURRENT
3.0 Amperes
DO-27
.220(5.6)
.197(5.0)
DIA.
1.0(25.4)
MIN.
.375(9.5)
.285(7.2)
.052(1.3)
.048(1.2)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=75 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance RθJA (Note 2)
Operating and Storage Temperature Range TJ, TSTG
BY251
200
140
200
NOTES:
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance from Junction to Ambient .375" (9.5mm) lead length.
BY252
400
280
400
BY253
600
420
600
BY254
800
560
800
3.0
200
1.0
5.0
50
40
30
-65 +150
BY255
1300
910
1300
UNITS
V
V
V
A
A
V
µA
µA
pF
C/W
C
124