BY251GP thru BY255GP
Glass Passivated Junction Plastic Rectifier
DO-201AD
®
uct
rod
w P
Features
Ne
1.0 (25.4)
MIN.
Reverse Voltage
200 to 1300V
Forward Current
3.0A
0.210 (5.3)
0.190 (4.8)
DIA.
0.375 (9.5)
0.285 (7.2)
0.052 (1.32)
0.048 (1.22)
DIA.
ed*
Mechanical Data
ent
at
P
• 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
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
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:
0.04oz., 1.12g
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
Maximum Ratings & Thermal Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
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
Parameter
Ratings at 25°C ambient temperature unless otherwise specified.
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
5/25/00
Maximum instantaneous forward voltage at 3.0A
Maximum reverse current
at rated DC blocking voltage T
A
= 25°C
Maximum reverse recovery time
I
F
= 0.5A, I
R
= 1.0V, I
rr
= 0.25A
Typical junction capacitance at 4.0V, 1MHz
Note:
(1) Thermal resistance from junction to ambient and from junction to lead at 0.375” (9.5mm) lead length, P.C.B. mounted
BY251GP thru BY255GP
Glass Passivated Junction Plastic Rectifier
Ratings and
Characteristic Curves
4.0
Average Forward Rectified Current (A)
Peak Forward Surge Current (A)
60 Hz
Resistive or
Inductive Load
(T
A
= 25°C unless otherwise noted)
Fig 1 - Forward Current Derating Curve
200
Fig 2 - Maximum Non-repetitive Peak
Forward Surge Current
T
J
= T
J
max
10ms Single Half Sine-wave
(JEDEC Method)
3.0
100
2.0
1.0
10mm lead length
0
0
25
50
75
100
125
150
175
Ambient Temperature,
°C
10
1
10
Number of Cycles at 60Hz
100
Fig 3 - Typical Instantaneous Forward
Characteristics
100
Instantaneous Forward Current (A)
T
J
= 25°C
Pulse width = 300µs
1% Duty Cycle
Instantaneous Reverse Leakage Current (µA)
10
Fig 2 - Maximum Non-repetitive Peak
Forward Surge Current
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
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