1N4933 THRU 1N4937
FAST SWITCHING PLASTIC RECTIFIER
VOLTAGE - 50 to 600 Volts CURRENT - 1.0 Ampere
FEATURES
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 T
A
=55
J
with no thermal runaway
l
Fast switching for high efficiency
l
Exceeds environmental standards of MIL-S-19500/228
MECHANICAL DATA
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
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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%.
1N4933
1N4934
1N4935
1N4936
1N4937
UNITS
Maximum Recurrent Peak Reverse Voltage
50
100
200
400
600
V
Maximum RMS Voltage
35
70
140
280
420
V
Maximum DC Blocking Voltage
50
100
200
400
600
V
Maximum Average Forward Rectified
Current .375"(9.5mm) lead length at T
A
=55
J
1.0
A
Peak Forward Surge Current 8.3ms single half sine
wave superimposed on rated load(JECEC method)
30
A
Maximum Forward Voltage at 1.0A
1.2
V
Maximum Reverse Current T
J
=25
J
at Rated DC Blocking Voltage T
J
=100
J
5.0
500
g
A
g
A
Typical Junction capacitance (Note 1) CJ
12
P
F
Maximum Reverse Recovery Time(Note 2)
200
ns
Typical Thermal Resistance (Note 3) R
K
JA
41
J
/W
Storage and Operating 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: I
F
=.5A, I
R
=1A, I
rr
=.25A
3. Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length P.C.B.
mounted
DO-41
RATING AND CHARACTERISTIC CURVES
1N4933 THRU 1N4937
NOTE:1.Rise Time = 7ns max.
Input Impedance = 1 megohm. 22pF
2.Rise Time = 10ns max.
Source Impedance = 50 Ohms
t
rr
+0.5A
0
-0.25
-1.0
SET TIME
1cm
BASE FOR
50 ns/cm
Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
10
1
0.1
0.01
0.2
0.4
0.6
0.8
1.0 1.2 1.4
1.6
TJ = 25
J
PULSE
WIDTH = 300
g
s
1% DUTY CYCLE
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
1.6
1.4
1.2
1.0
.8
.6
.4
.2
0
0
20
40
60
80
100
120
140
160
180
MAXIMUM AVERAGE CURRENT RATING
SINGLE PHASE, HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE
LOAD .375"(9.5mm) LEAD LENGTHS
AMBIENT TEMPERATURE,
J
Fig. 2-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
Fig. 3-FORWARD CURRENT DERATING CURVE
100
10
1
1
4 10
100
T
J
= 25
J
REVERSE VOLTAGE, Vdc
30
24
18
12
6
1 2
4
6
8 10
20
60 80 100
40
NUMBER OF CYCLES AT 60Hz
Fig. 4-TYPICAL JUNCTION CAPACITANCE
Fig. 5-PEAK FORWARD SURGE CURRENT
I
N
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