Page 1
BY251P thru BY255P
Vishay General Semiconductor
General Purpose Plastic Rectifier
FEATURES
• Low forward voltage drop
DO-201AD
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
I
R
V
F
T
max. 150 °C
j
200 V to 1300 V
3.0 A
150 A
5.0 µA
1.1 V
• Low leakage current, I
less than 0.1 µA
R
• High forward surge capability
• Solder dip 260 °C, 40 seconds
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
TYPICAL APPLICATIONS
For use in general purpose rectification of power
supplies, inverters, converters and free-wheeling
diodes application.
(Note: These devices are not Q101 qualified.)
MECHANICAL DATA
Case: DO-201AD, molded epoxy body
Epoxy meets UL 94V-0 flammability rating
Terminals: Matte tin plated leads, solderable per
J-STD-002B and JESD22-B102D
E3 suffix for commercial grade
Polarity: Color band denotes cathode end
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL BY251P BY252P BY253P BY254P BY255P UNIT
Maximum repetitive peak reverse voltage V
Maximum RMS voltage V
Maximum DC blocking voltage V
Maximum average forward rectified current
10 mm lead length
Peak forward surge current 10 ms single half
sine-wave superimposed on rated load
Maximum full load reverse current, full cycle average
10 mm lead length
Operating junction and storage temperature range T
Document Number: 88838
Revision: 30-Jul-07
200 400 600 800 1300 V
RRM
140 280 420 560 910 V
RMS
200 400 600 800 1300 V
DC
I
F(AV)
I
FSM
I
100 µA
R(AV)
, T
- 55 to + 150 °C
J
STG
3.0 A
150 A
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Page 2
BY251P thru BY255P
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS SYMBOL BY251P BY252P BY253P BY254P BY255P UNIT
Maximum instantaneous
forward voltage
Maximum reverse current at
rated DC blocking voltage
Typical reverse recovery time
Typical junction capacitance at 4.0 V, 1 MHz C
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL BY251P BY252P BY253P BY254P BY255P UNIT
Typical thermal resistance
Note:
(1) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5 mm) lead length, P.C.B. mounted
at 3.0 A V
T
= 25 °C I
A
I
= 0.5 A, IR = 1.0 V,
F
I
= 0.25 A
rr
(1)
F
R
t
rr
J
R
θJA
R
θJL
1.1 V
5.0 µA
3.0 µs
40 pF
20
10
°C/W
ORDERING INFORMATION (Example)
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
BY253P-E3/54 1.1 54 1400 13" diameter paper tape and reel
BY253P-E3/73 1.1 73 1000 Ammo pack packaging
RATINGS AND CHARACTERISTICS CURVES
(T
= 25 °C unless otherwise noted)
A
4.0
3.0
2.0
1.0
10 mm lead length
Average Forward Rectified Current (A)
0
0 25 50 75 100 125 150 175
Ambient Temperature (°C)
60 Hz
Resistive or
Inductive Load
Figure 1. Forward Current Derating Curve
200
100
Peak Fo rward Surge Current (A)
0
1 10 100
Number of Cycles at 60 Hz
8.3 ms Single Half Sine/Wave
T
A = 55 °C
Figure 2. Maximum Non-repetitive Peak Forward Surge Current
www.vishay.com Document Number: 88838
2
Revision: 30-Jul-07
Page 3
BY251P thru BY255P
Vishay General Semiconductor
10
TJ = 125 °C
1
TJ = 75 °C
Current (µA)
0.1
TJ = 25 °C
Instantaneous Reverse Leakage
0.01
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Figure 3. Maximum Non-repetitive Peak Forward Surge Current
100
TJ = 25 °C
Pulse width = 300 µs
1 % Duty Cycle
10
1
100
Junction Capacitance (pF)
10
1
Figure 5. Typical Junction Capacitance
10
Reverse Voltage (V)
TJ = 25 °C
f = 1.0 MHz
sig
= 50 mVp-p
V
100
Instantaneous Forward Current (A)
0.1
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
Instantaneous Forward Voltage (V)
Figure 4. Typical Instantaneous Forward Characteristics
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
DO-201AD
0.210 (5.3)
0.190 (4.8)
DIA.
0.052 (1.32)
0.048 (1.22)
DIA.
1.0 (25.4)
MIN.
0.375 (9.5)
0.285 (7.2)
1.0 (25.4)
MIN.
Document Number: 88838
Revision: 30-Jul-07
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Page 4
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
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