BY251GP thru BY255GP
New Product
Vishay Semiconductors
formerly General Semiconductor
Reverse Voltage
200 to 1300V
Forward Current
3.0A
Glass Passivated Junction Plastic Rectifiers
DO-201AD
1.0 (25.4)
Min.
0.210 (5.3)
0.190 (4.8)
Dia.
®
d*
e
nt
Features
ate
P
0.375 (9.5)
0.285 (7.2)
• 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
=55°C with no thermal runaway
• Typical I
R
less than 0.1µA
• High temperature soldering guaranteed: 350°C/10 seconds,
0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
Mechanical Data
1.0 (25.4)
Min.
0.052 (1.32)
0.048 (1.22)
Dia.
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
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
Ratings at 25°C ambient temperature unless otherwise specified.
Maximum Ratings & Thermal Characteristics
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
10mm lead length at T
A
= 55°C
Peak forward surge current 10ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum full load reverse current, full cycle average
10mm lead length at T
A
= 55°C
Typical thermal resistance
(1)
Operating junction and storage temperature range
Symbol
BY251GP BY252GP BY253GP BY254GP BY255GP
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
I
R(AV)
R
ΘJA
R
ΘJL
T
J
, T
STG
200
140
200
400
280
400
600
420
600
3.0
100
100
20
10
–65 to +175
800
560
800
1300
910
1300
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
Maximum reverse current
at rated DC blocking voltage T
A
= 25°C
Typical reverse recovery time
I
F
= 0.5A, I
R
= 1.0V, I
rr
= 0.25A
Typical junction capacitance at 4.0V, 1MHz
V
F
I
R
t
rr
C
J
1.1
5.0
3.0
40
V
µA
µs
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 88541
17-Dec-02
www.vishay.com
1
BY251GP thru BY255GP
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig 2 - Maximum Non-repetitive Peak
Forward Surge Current
200
Peak Forward Surge Current (A)
60 Hz
Resistive or
Inductive Load
T
J
= T
J
max
10ms Single Half Sine-wave
(JEDEC Method)
Fig 1 - Forward Current Derating Curve
4.0
Average Forward Rectified Current (A)
3.0
100
2.0
1.0
10mm lead length
0
0
25
50
75
100
125
Ambient Temperature, ¡C
150
175
10
1
10
Number of Cycles at 60Hz
100
100
Instantaneous Forward Current (A)
T
J
= 25°C
Pulse width = 300µs
1% Duty Cycle
Instantaneous Reverse Leakage Current ( A)
Fig 3 - Typical Instantaneous Forward
Characteristics
Fig 2 - Maximum Non-repetitive Peak
Forward Surge Current
10
T
J
= 125°C
10
1
T
J
= 75°C
1
0.1
T
J
= 25°C
0.1
0.6
0.01
0
40
80
60
100
20
Percent of Rated Peak Reverse Voltage (%)
1.2
0.7
0.8
0.9
1.0
1.1
Instantaneous Forward Voltage (V)
1.3
Fig 5 - Typical Junction Capacitance
100
T
J
= 25°C
f = 1.0 MHz
Vsig = 50mVp-p
Junction Capacitance (pF)
10
1
10
Reverse Voltage (V)
100
www.vishay.com
2
Document Number 88541
17-Dec-02
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