BY251GP thru BY255GP
Vishay General Semiconductor
Glass Passivated Junction Plastic Rectifier
Major Ratings and Characteristics
I
F(AV)
V
RRM
I
FSM
I
R
V
F
T
j
max.
3.0 A
200 V to 1300 V
100 A
5.0 µA
1.1 V
175 °C
®
ted*
aten
P
* Glass-plastic encapsulation
technique is covered by
Patent No. 3,996,602, and
brazed-lead assembly by
Patent No. 3,930,306
DO-201AD
Features
• Superectifier structure for High Reliability
application
• Cavity-free glass-passivated junction
• Low forward voltage drop
• Low leakage current, I
R
less than 0.1 µA
• High forward surge capability
• Meets environmental standard MIL-S-19500
• Solder Dip 260 °C, 40 seconds
Mechanical Data
Case:
DO-201AD, molded epoxy over glass 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, HE3 suffix for high
reliability grade (AEC Q101 qualified)
Polarity:
Color band denotes cathode end
Typical Applications
For use in general purpose rectification of power sup-
plies, inverters, converters and freewheeling diodes
for both consuer and automotive applications
Maximum Ratings
(T
A
= 25 °C unless otherwise noted)
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current 10 mm lead
length at T
A
= 55 °C
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 at T
A
= 55 °C
Operating junction and storage temperature range
Symbol BY251GP BY252GP BY253GP BY254GP BY255GP Unit
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
I
R(AV)
T
J
, T
STG
200
140
200
400
280
400
600
420
600
3.0
100
100
- 65 to + 175
800
560
800
1300
910
1300
V
V
V
A
A
µA
°C
Document Number 88541
14-Oct-05
www.vishay.com
1
BY251GP thru BY255GP
Vishay General Semiconductor
Electrical Characteristics
(T
A
= 25 °C unless otherwise noted)
Parameter
Maximum instantaneous
forward voltage
Maximum reverse current at
rated DC blocking voltage
Test condition
at 3.0 A
T
A
= 25 °C
Symbol BY251GP BY252GP BY253GP BY254GP BY255GP
V
F
I
R
t
rr
C
J
1.1
5.0
3.0
40
Unit
V
µA
µs
pF
Typical reverse recovery time I
F
= 0.5 A, I
R
= 1.0 V,
I
rr
= 0.25 A
Typical junction capacitance
at 4.0 V, 1 MHz
Thermal Characteristics
(T
A
= 25 °C unless otherwise noted)
Parameter
Typical thermal resistance
(1)
Notes:
(1) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5 mm) lead length, P.C.B. mounted
Symbol BY251GP BY252GP
R
θJA
R
θJL
BY253G
P
20
10
BY254GP
BY255G
P
Unit
°C/W
Ratings and Characteristics Curves
(T
A
= 25
°C
unless otherwise noted)
4.0
200
Average Forward Rectified Current (A)
Peak Forward Surge Current (A)
60 Hz
Resistive or
Inductive Load
3.0
T
J
= T
J
max.
10 ms Single Half Sine-Wave
100
2.0
1.0
10mm lead length
0
0
25
50
75
100
125
150
175
10
1
10
100
Ambient Temperature, °C
Number
of Cycles at 60 Hz
Figure 1. Forward Current Derating Curve
Figure 2. Maximum Non-Repetitive Peak Forward Surge Current
www.vishay.com
2
Document Number 88541
14-Oct-05
BY251GP thru BY255GP
Vishay General Semiconductor
10
100
T
J
= 125 °C
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50mVp-p
Instantaneous Reverse Leakage
Current (µA)
1
T
J
= 75 °C
0.1
T
J
= 25 °C
Junction Capacitance (pF)
10
40
60
80
100
1
0.01
0
20
10
100
Percent of Rated Peak Reverse
Voltage
(%)
Reverse
Voltage
(V)
Figure 3. Maximum Non-Repetitive Peak Forward Surge Current
Figure 5. Typical Junction Capacitance
100
Instantaneous Forward Current (A)
10
T
J
= 25 °C
Pulse
Width
= 300
µs
1% Duty Cycle
1
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
1.0 (25.4)
Min.
0.210 (5.3)
0.190 (4.8)
Dia.
0.375 (9.5)
0.285 (7.2)
1.0 (25.4)
Min.
0.052 (1.32)
0.048 (1.22)
Dia.
Document Number 88541
14-Oct-05
www.vishay.com
3
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
Revision: 08-Apr-05
www.vishay.com
1
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