1N4944 Pan Jit International Inc., 1N4944 Datasheet - Page 2

• Manufacturer Part Number: 1N4944
• Description: FAST SWITCHING PLASTIC RECTIFIER(VOLTAGE - 200 to 1000 Volts CURRENT - 1.0 Ampere)
• Manufacturer: Pan Jit International Inc.

RATING AND CHARACTERISTIC CURVES
1N4942 THRU 1N4948
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
Fig. 2-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
Fig. 4-TYPICAL JUNCTION CAPACITANCE
0.01
10
0.1
1
0.2
Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
100
10
1
0.4
1
0.6
REVERSE VOLTAGE, Vdc
0.8
4
PULSE
WIDTH = 300 £g s
1% DUTY CYCLE
1.0 1.2 1.4
NOTE:1.Rise Time = 7ns max.
T
TJ = 25 ¢J
10
J
2.Rise Time = 10ns max.
= 25 ¢J
Input Impedance = 1 megohm. 22pF
Source Impedance = 50 Ohms
1.6
1.4
1.2
1.0
.8
.6
.4
.2
0
0
Fig. 3-FORWARD CURRENT DERATING CURVE
20
Fig. 5-PEAK FORWARD SURGE CURRENT
40
AMBIENT TEMPERATURE, ¢J
+0.5A
-0.25
-1.0
0
60
SET TIME
BASE FOR
50 ns/cm
30
24
18
12
6
1
80
NUMBER OF CYCLES AT 60Hz
2
t
rr
MAXIMUM AVERAGE CURRENT RATING
SINGLE PHASE, HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE
LOAD .375"(9.5mm) LEAD LENGTHS
4
1cm
6 8 10
120
20
40
140
60 80 100
160
180