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BY251G Datasheet, PDF (1/2 Pages) Changzhou Shunye Electronics Co.,Ltd. – GLASS PASSIVATED SILICON RECTIFIER
BY251G THRU BY255G
GLASS PASSIVATED SILICON RECTIFIER
Reverse Voltage - 200 to 1300 Volts Forward Current - 3.0 Ampere
DO-201AD
0.220 (5.6)
0.197(5.0)
DIA.
1.0 (25.4)
MIN.
0.375(9.5)
0.285(7.2)
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Construction utilizes void-free
molded plastic technique
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds,0.375”(9.5mm) lead length,
5 lbs. (2.3kg) tension
0.052 (1.3)
0.048 (1.2)
DIA.
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
MECHANICAL DATA
Case: JEDEC DO-201AD molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.04 ounce, 1.10 grams
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%.
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length at TA=75 C
Peak forward surge current
8.3ms 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 (NOTE 2)
Operating junction and storage temperature range
SYMBOLS BY251G BY252G
VRRM
200
400
VRMS
140
280
VDC
200
400
I(AV)
BY253G BY254G BY255G
600
800 1300
420
560
910
600
800 1300
3.0
UNITS
VOLTS
VOLTS
VOLTS
Amps
IFSM
VF
IR
CJ
RθJA
TJ,TSTG
150
1.1
10.0
500
30.0
20.0
-65 to +175
Amps
Volts
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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