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GENERAL PURPOSE RECTIFIER
BY251 ~ BY255
General Purpose Rectifier
Features
Glass passivated chip junction
Low forward voltage
Low reverse leakage
High forward surge current capacity
High temperature soldering guaranteed: 260/10 seconds
0.375(9.5mm) lead length
Mechanical Data
Case:
Epoxy:
Terminals:
Polarity:
Mounting position:
Weight:
Transfer molded plastic
UL94V-0 rate flame retardant
Plated axial lead, solderable per MIL-STD-202E, Method 208C
Color band denotes cathode end
Any
0.042 Ounce, 1.19 gram
Maximum Ratings (T Ambient=25ºC unless noted otherwise)
Symbol
VRRM
VRMS
VDC
I(AV)
Description
Non-Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectifier
Current
P300A
50
35
50
P300B
100
70
100
P300D
200
140
200
P300G
400
280
400
3.0
P300J
600
420
600
P300K
800
560
800
P300M
1000
700
1000
IFSM
Peak Forward Surge Current
200
TJ, TSTG
IR
Operating and Storage Temperature
Maxmum DC Reverse Current at Rated DC
Blocking Voltage per element
--65 to +175
10.0
500
Electrical Characteristics (T Ambient=25ºC unless noted otherwise)
Symbol
Description
VF Max Instantaneous Forward Voltage
1.0
Unit
V
V
V
Amps
Amps
μA
Conditions
0.375(9.5mm) at
TA=55
8.3mS Single half sine
wave (JEDEC method)
TA=25
TA=150
Unit Conditions
V 3.0A
IR(AV)
Maximum Full Load Reverse Current
CJ Typical Junction Capacitance
Rθ-JA
Typical Thermal Resistance
Note:
1. Thermal resistance from junction to ambient with 0.375(9.5mm) lead length,
PCB mounted with 0.8x 0.8(20mm x 20mm) copper pads
500
40
30
Full cycle average
μA 0.375(9.5mm) lead
length at TL=105
pF
/W
1.0MHz & 4.0V
Note 1
www.meisemi.com
Rev. 0 2010-07-15
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MEI SEMI
Ratings And Characteristic Curves P300A-M:
General Purpose Rectifier
BY251 ~ BY255
www.meisemi.com
Rev. 0 2010-07-15
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MEI SEMI
Dimensions in inch (mm)
General Purpose Rectifier
BY251 ~ BY255
DO-27
Contact us:
www.meisemi.com
US HEADQUARTERS
MEI SEMI INC.
2902 Corvin Drive, Santa Clara, CA95051, USA
Tel: 1-408-733-0808 Fax: 1-408-733-2828
Rev. 0 2010-07-15
Page 3 of 3