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

SEMICONDUCTOR
FEATURES
Low cost
Diffused junction
High current capability
The plastic material carries U/L recognition 94V-0
BY251 THRU BY255
GENERAL PURPOSE PLASTIC RECTIFIER
Reverse Voltage - 200 to 1300 Volts
Forward Current -3.0Amperes
DO-201AD
MECHANICAL DATA
Case: JEDEC DO-201AD molded plastic body
Terminals: Plated axial lead solderable per MIL-STD-750,method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.042ounce, 1.1 grams
Dimensions in inches and (millimeters)
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, derate by 20%.)
Maximum Recurrent Peak Reverse Voltage
Maximum average Forward Rectified Current
at TA=50 C
Recurrent peak Forward Current
Peak Forward Surge Current 8.3ms single half
sine-wave superimposed on rated load
Symols
VRRM
I(AV)
IFRM
IFSM
BY
BY
BY
BY
BY
251
252
253
254
255
200
400
600
800
1000
3.0
20.0
100.0
Maximum Instantaneous Forward Voltage
at 3.0 A
VF
1.1
Units
Volts
Amps
Amps
Amps
Volts
Maximum Reverse current at rated DC
IR
Blocking Voltage
10.0
A
Typical Thermal Resistance
R JA
30.0
C/W
Typical Junction Capacitance (Note 1)
CJ
30.0
PF
Operating and Storage temperature Range
TJ
TSTG
-50 to+150
C
Note: 1.Measured at 1MHz and applied reverse voltage of 4.0V
JINAN JINGHENG CO., LTD.
7-44
NO.51 HEPING ROAD PR CHINA TEL:[phone] FAX:[phone]
WWW.JIFUSEMICON.COM