1N4942G
THRU
1N4948G
1.0 AMP GLASS PASSIVATED FAST RECOVERY RECTIFIERS
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
FEATURES
* Low forward voltage drop
* Low leakage current
* High reliability
* High current capability
* Glass passivated junction
1.0 Ampere
DO-41
.107(2.7)
.080(2.0)
DIA.
1.0(25.4)
MIN.
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.34 grams
.034(.9)
.028(.7)
DIA.
.205(5.2)
.166(4.2)
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=55 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range T
J
, T
STG
NOTES:
1N4942G
200
140
200
1N4944G
400
280
400
1N4946G
600
420
600
1.0
30
1.3
5.0
100
1N4947G
800
560
800
1N4948G UNITS
V
1000
V
700
V
1000
A
A
V
A
150
250
15
-65 +175
500
A
nS
pF
C
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
RATING AND CHARACTERISTIC CURVES (1N4942G THRU 1N4948G)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
50
INSTANTANEOUS FORWARD CURRENT,(A)
1.2
1.0
0.8
0.6
0.4
0.2
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
10
3.0
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
0
20
40
60
80
100
120
140
160
180
200
AMBIENT TEMPERATURE ( C)
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
30
0.1
.01
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLT
AGE,(V)
24
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
18
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
12
6
(+)
25Vdc
(approx.)
( )
1
W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
D.U.T.
( )
PULSE
GENERATOR
(NOTE 2)
(+)
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
FIG.5-TYPICAL JUNCTION CAPACITANCE
35
30
25
20
15
10
5
trr
+0.5A
|
|
|
|
|
|
|
|
0
-0.25A
JUNCTION CAPACITANCE,(pF)
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
0
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
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