PANJIT 1N4948, 1N4947, 1N4946, 1N4944, 1N4942 Datasheet
1N4942 THRU 1N4948
FEATURE
S
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTIC
S
P
DO-41
FA ST SWITCHING PLASTIC RECTIFIER
VOLTAGE - 200 to 1000 Volts CURRENT - 1.0 Ampere
l
High surge current capability
l
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing
Flame Retardant Epoxy Molding Compound
l
Void-free Plastic in a DO-41 package
l
1.0 ampere operation at TA=55¢J with no thermal runaway
l
Fast switching for high efficiency
l
Exceeds environmental standards of MIL-S-19500/228
Case: Molded plastic, DO-41
Terminals: Axial leads, solderable per MIL-STD-202,
Method 208
Polarity: Band denotes cathode
Mounting Position: Any
Weight: 0.012 ounce, 0.3 gram
Ratings at 25¢J ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
1N4942 1N4944 1N4946 1N4947 1N4948 UNITS
Maximum Recurrent Peak Reverse Voltage 200 400 600 800 1000 V
Maximum RMS Voltage 140 280 420 560 700 V
Maximum DC Blocking Voltage 200 400 600 800 1000 V
Maximum Average Forward Rectified
Current .375"(9.5mm) lead length at TA=55
Peak Forward Surge Current 8.3ms single half sine
wave superimposed on rated load(JECEC method)
Maximum Forward Voltage at 1.0A 1.3 V
Maximum Reverse Current TJ=25 ¢J
at Rated DC Blocking Voltage TJ=100
Typical Junction capacitance (Note 1) 12
Maximum Reverse Recovery Time(Note 2) 150 150 250 250 250 ns
Typical Thermal Resistance (Note 3) R £KJA 41 ¢J/W
Operating and Storage Temperature Range -55 to +150 ¢J
NOTES:
1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC
2. Reverse Recovery Test Conditions: IF=.5A, IR=1A, Irr=.25A
3. Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length P.C.B.
mounted
¢J
¢J
1.0 A
30 A
5.0
500
£g A
£g
A
F
RATING AND CHARACTERISTIC CURVES
NOTE:1.Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF 2.Rise Time = 10ns max. Source Impedance = 50 Ohms
r
r
SET TIME
1c
m
BASE FO
R
50 ns/c
m
1% DUTY CYCLE
INSTANTANEOUS FORWARD VOLTAGE, VOLT
S
RESISTIVE OR INDUCTIV
E
AMBIENT TEMPERATURE,
¢J
TJ = 25
REVERSE VOLTAGE, Vd
c
NUMBER OF CYCLES AT 60H
z
1N4942 THRU 1N4948
Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
10
1
AMPERES
0.1
INSTANTANEOUS FORWARD CURRENT,
0.01
0.2
0.4
0.6
0.8
TJ = 25
PULSE
WIDTH = 300£gs
1.0 1.2 1.4
¢J
t
+0.5A
0
-0.25
-1.0
1.6
1.4
1.2
1.0
.8
.6
.4
.2
CURRENT AMPERES
0
0
AVERAGE FORWARD RECTIFIED
20
40
60
MAXIMUM AVERAGE CURRENT RATING
SINGLE PHASE, HALF WAVE 60Hz
LOAD .375"(9.5mm) LEAD LENGTHS
80
120
140
160
180
Fig. 2-TYPICAL INSTANTANEOUS
Fig. 3-FORWARD CURRENT DERATING CURVE
FORWARD CHARACTERISTICS
100
¢J
10
CAPACITANCE, pF
1
1 4 10
30
24
18
12
6
FORWARD SURGE CURRENT,
1 2 4 6 8 10
AMPERES pk (HALF-SINE WAVE)
40
60 80 100
20
Fig. 4-TYPICAL JUNCTION CAPACITANCE Fig. 5-PEAK FORWARD SURGE CURRENT
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