BY251GP thru BY255GP
Vishay Semiconductors
formerly General Semiconductor
Document Number 88541
www.vishay.com
17-Dec-02
1
Glass Passivated Junction Plastic Rectifiers
Reverse Voltage
200 to 1300V
Forward Current 3.0A
New Product
Patented*
Maximum Ratings & Thermal Characteristics
Ratings at 25C ambient temperature unless otherwise specified.
Parameter
Symbol
BY251GP BY252GP BY253GP BY254GP BY255GP
Unit
Maximum repetitive peak reverse voltage
V
RRM
200
400
600
800
1300
V
Maximum RMS voltage
V
RMS
140
280
420
560
910
V
Maximum DC blocking voltage
V
DC
200
400
600
800
1300
V
Maximum average forward rectified current
10mm lead length at T
A
= 55C
I
F(AV)
3.0
A
Peak forward surge current 10ms single half sine-wave
I
FSM
100
A
superimposed on rated load (JEDEC Method)
Maximum full load reverse current, full cycle average
10mm lead length at T
A
= 55C
I
R(AV)
100
A
Typical thermal resistance
(1)
R
JA
20
R
JL
10
C/W
Operating junction and storage temperature range
T
J
, T
STG
65 to +175
C
Electrical Characteristics
Ratings at 25C ambient temperature unless otherwise specified.
Maximum instantaneous forward voltage at 3.0A
V
F
1.1
V
Maximum reverse current
I
R
5.0
A
at rated DC blocking voltage T
A
= 25C
Typical reverse recovery time
I
F
= 0.5A, I
R
= 1.0V, I
rr
= 0.25A
t
rr
3.0
s
Typical junction capacitance at 4.0V, 1MHz
C
J
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
Features
Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
High temperature metallurgically bonded construction
Cavity-free glass passivated junction
Capable of meeting environmental standards of MIL-S-19500
3.0 Ampere operation at T
A
=55C with no thermal runaway
Typical I
R
less than 0.1
A
High temperature soldering guaranteed: 350C/10 seconds,
0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
Mechanical Data
Case: JEDEC DO-201AD, molded plastic over glass 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
Packaging Codes/Options:
1 / Bulk 1.5K per container, 15K/box
4 / 1.4K per 13" reel, 5.6K/box
23 / 1K per ammo mag., 9K/box
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.
Dimensions in inches and (millimeters)
*
Glass-plastic encapsulation technique is covered by
Patent No. 3,996,602 and brazed-lead assembly by Patent No. 3,930,306
DO-201AD
BY251GP thru BY255GP
Vishay Semiconductors
formerly General Semiconductor
www.vishay.com
Document Number 88541
2
17-Dec-02
Ratings and
Characteristic Curves
(T
A
= 25C unless otherwise noted)
0
25
50
75
100
125
150
175
0
1.0
2.0
3.0
4.0
1
10
100
10
100
200
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
10
100
1
0.1
1
10
100
10
100
0
20
40
60
80
100
0.01
0.1
1
10
Fig 1 - Forward Current Derating Curve
60 Hz
Resistive or
Inductive Load
T
J
= T
J
max
10ms Single Half Sine-wave
(JEDEC Method)
Average Forward Rectified Current (A)
Peak Forward Surge Current (A)
Instantaneous Reverse Leakage Current (
A
)
Fig 3 - Typical Instantaneous Forward
Characteristics
Fig 2 - Maximum Non-repetitive Peak
Forward Surge Current
Fig 2 - Maximum Non-repetitive Peak
Forward Surge Current
Fig 5 - Typical Junction Capacitance
T
J
= 25
C
Pulse width = 300
s
1% Duty Cycle
T
J
= 25
C
f = 1.0 MHz
Vsig = 50mVp-p
Instantaneous Forward Current (A)
Junction Capacitance (pF)
Ambient Temperature, C
Number of Cycles at 60Hz
Percent of Rated Peak Reverse Voltage (%)
Instantaneous Forward Voltage (V)
Reverse Voltage (V)
T
J
= 125
C
T
J
= 75
C
T
J
= 25
C
10mm lead length
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