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
FEATURES
MECHANICAL DATA
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)
1.0
30
5.0
100
150 250 500
15
-65 +175
A
V
mA
mA
nS
pF
C
* Low forward voltage drop
* Low leakage current
* High reliability
* High current capability
* 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
1N4942G THRU 1N4948G
1.3
V
V
UNITS
V
200 400 600 800 1000
200 400 600 800 1000
140 280 420 560 700
NOTES:
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.
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
1.0 Ampere
A
* Glass passivated junction
1.0 AMP GLASS PASSIVATED FAST RECOVERY RECTIFIERS
1N4942G 1N4944G 1N4946G 1N4947G 1N4948G
DO-41
Dimensions in inches and (millimeters)
1.0(25.4)
MIN.
1.0(25.4)
MIN.
.205(5.2)
.166(4.2)
.034(.9)
.028(.7)
DIA.
.107(2.7)
.080(2.0)
DIA.
Operating and Storage Temperature Range TJ, TSTG
0.1
1.0
.01
10
50
RATING AND CHARACTERISTIC CURVES (1N4942G THRU 1N4948G)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.5-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
JUNCTION CAPACITANCE,(pF)
INSTANTANEOUS FORWARD CURRENT,(A)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
0.2
0.4
0.6
0.8
1.0
1.2
35
30
25
20
15
10
5
0.01 .05 .1 .5 1 5 10 50 100
.6 .8 1.0 1.2 1.4 1.6 1.8 2.0
3.0
AMBIENT TEMPERATURE ( C)
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
Tj=25 C
0 20 40 60 80 100 120 140 160 180 200
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
(+)
(+)
25Vdc
(approx.)
( )
( )
PULSE
GENERATOR
(NOTE 2)
OSCILLISCOPE
(NOTE 1)
1
NON-
INDUCTIVE
W
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
+0.5A
0
-0.25A
-1.0A
|
|
|
|
|
|
|
|
1cm
SET TIME BASE FOR
50 / 10ns / cm
trr
D.U.T.
10
NONINDUCTIVE
50
NONINDUCTIVE
WW
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
6
0
12
18
24
30
NUMBER OF CYCLES AT 60Hz
1 10 5 50 100
Tj=25 C 8.3ms Single Half
Sine Wave
JEDEC method
PEAK FORWARD SURGE CURRENT,(A)
