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BY251P Datasheet, PDF (1/2 Pages) Vishay Siliconix – General Purpose Rectifiers
DO-201AD
BY251P thru BY255P
Vishay Semiconductors
formerly General Semiconductor
General Purpose Rectifiers
Reverse Voltage
200 to 1300V
Forward Current 3.0A
0.210 (5.3)
0.190 (4.8)
Dia.
1.0 (25.4)
Min.
0.375 (9.5)
0.285 (7.2)
0.052 (1.32)
0.048 (1.22)
Dia.
1.0 (25.4)
Min.
Dimensions in inches and (millimeters)
Features
• Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
• High surge current capability
• Typical IR less than 0.1 µA
• Construction utilizes void-free molded plastic technique
• 3.0 Ampere operation at TA = 55 °C with no thermal
runaway
• High temperature soldering guaranteed:
250 °C/10 seconds, 0.375" (9.5 mm) lead length
5 lbs. (2.3 kg) tension
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 oz., 1.12 g
Maximum Ratings & Thermal Characteristics Ratings at 25 °C ambient temperature unless otherwise specified.
Parameter
Symbol BY251P BY252P BY253P BY254P BY255P
Maximum repetitive peak reverse voltage
VRRM 200
400
600
800 1300
Maximum RMS voltage
VRMS 140
280
420
560
910
Maximum DC blocking voltage
VDC
200
400
600
800 1300
Maximum average forward rectified current
10mm lead length at TA = 55 °C
IF(AV)
3.0
Peak forward surge current 10ms single half sine-wave
superimposed on rated load (JEDEC Method)
IFSM
150
Maximum full load reverse current, full cycle average
10mm lead length at TA = 55 °C
IR(AV)
100
Typical thermal resistance(1)
RθJA
20
RθJL
10
Operating junction and storage temperature range
TJ, TSTG
–65 to +150
Unit
V
V
V
A
A
µA
°C/W
°C
Electrical Characteristics Ratings at 25 °C ambient temperature unless otherwise specified.
Maximum instantaneous forward voltage at 3.0A
VF
1.1
V
Maximum reverse current
at rated DC blocking voltage TA = 25°C
IR
5.0
µA
Typical reverse recovery time
IF = 0.5A, IR = 1.0V, Irr = 0.25A
trr
3.0
µs
Typical junction capacitance at 4.0V, 1MHz
CJ
40
pF
Note: (1) Thermal resistance from junction to ambient and from junction to lead at 0.375” (9.5mm) lead length, P.C.B. mounted
Document Number 88838
17-Dec-02
www.vishay.com
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