1N4245 thru 1N4249
Vishay Semiconductors
formerly General Semiconductor
Document Number 88505
www.vishay.com
11-Feb-02
1
Glass Passivated Junction Rectifiers
Reverse Voltage
200 to 1000V
Forward Current 1.0A
Patented*
0.034 (0.86)
0.028 (0.71)
DIA.
0.150 (3.8)
0.100 (2.5)
DIA.
1.0 (25.4)
MIN.
0.240 (6.1)
MAX.
1.0 (25.4)
MIN.
Maximum Ratings & Thermal Characteristics
Ratings at 25C ambient temperature unless otherwise specified.
Parameter
Symbol 1N4245 1N4246 1N4247 1N4248 1N4249
Unit
* Maximum repetitive peak reverse voltage
V
RRM
200
400
600
800
1000
V
Maximum RMS voltage
V
RMS
140
280
420
560
700
V
* Maximum DC blocking voltage
V
DC
200
400
600
800
1000
V
* Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
= 55
C
I
F(AV)
1.0
A
* Peak forward surge current 8.3ms single half sine-wave
I
FSM
50
A
superimposed on rated load (JEDEC Method)
* Maximum full load reverse current, full cycle
average 0.375" (9.5mm) lead length at T
A
= 55
C
I
R(AV)
50
A
Typical thermal resistance
(1)
R
JA
55
C/W
* Operating junction temperature range
T
J
65 to +160
C
* Storage temperature range
T
STG
65 to +200
C
Electrical Characteristics
Ratings at 25C ambient temperature unless otherwise specified.
* Maximum instantaneous forward voltage at 1.0A
V
F
1.2
V
* Maximum reverse current
T
A
= 25
C
1.0
at Rated DC blocking voltage
T
A
= 125
C
I
R
25
A
Typical junction capacitance at 4.0V, 1MHz
C
J
15
pF
Note: (1) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length, P.C.B. mounted *JEDEC registered values
DO-204AP
Features
High temperature metallurgically bonded construction
1.0 ampere operation at T
A
= 55C with no thermal runaway
Typical I
R
less than 0.1
A
Hermetically sealed package
Capable of meeting environmental standards of
MIL-S-19500
High temperature soldering guaranteed:
350C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
Mechanical Data
Case: JEDEC DO-204AP Solid glass body
Terminals: Solder plated axial leads, solderable
per MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.02 oz., 0.56 g
*
Brazed-lead assembly is covered by Patent No. 3,930,306
Dimensions in inches
and (millimeters)
1N4245 thru 1N4249
Vishay Semiconductors
formerly General Semiconductor
www.vishay.com
Document Number 88505
2
11-Feb-02
0
0
Fig. 1 Forward Current Derating Curve
A
verage Forward Rectified Current (A)
Ambient Temperature (
C)
25
50
75
100
125
150
175
0.2
0.4
0.6
0.8
1.0
60H
Z
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
0
Fig. 2 Maximum Non-Repetitive
Peak Forward Surge Current
1
10
100
Number of Cycles at 60H
Z
10
20
30
40
50
Peak Forward Rectified Surge Current (A)
T
J
= T
Jmax
8.3ms Single Half Sine-Wave
(JEDEC Method)
Fig. 3 Typical Instantaneous
Forward Characteristics
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Instantaneous Forward Voltage (V)
0.01
0.1
1
10
Instantaneous Forward Rectified Current (A)
Pulse Width = 300
s
1% Duty Cycle
T
J
= 25
C
T
J
= 150
C
0
Fig. 4 Typical Reverse Characteristics
0.01
0.1
1
10
Instantaneous Reverse Current (
A)
60
80
100
20
40
Percent of Rated Peak Reverse Voltage (%)
T
J
= 25
C
T
J
= 150
C
T
J
= 100
C
Fig. 5 Typical Junction Capacitance
1
10
100
Reverse Voltage (V)
1
10
30
Junction Capacitance (pF)
T
J
= 25
C
f = 1.0MH
Z
Vsig = 50mVp-p
Ratings and
Characteristic Curves
(T
A
= 25C unless otherwise noted)
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