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GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
High temperature metallurgically bonded construction
Capable of meeting environmental standards of MIL-S-19500
For use in high frequency rectifier circuits
Fast switching for high efficiency
Glass passivated cavity-free junction
1.0 Ampere operation at TA=75°C with no thermal runaway
Typical IR less than 0.1 A
Case: JEDEC DO-214AC molded plastic over glass body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounce, 0.34 gram
MAXIMUM RATINGS
SYMBOL
1N4933
1N4934
1N4935
1N4936
1N4937
UNIT
Maximum repetitive peak reverse voltage
PARAMETER
VRRM
50
100
200
400
600
V
Maximum RMS voltage
VRMS
35
70
145
280
420
V
Maximum DC blocking voltage
VDC
50
100
200
400
600
V
Maximum average forward rectified current
0.375" (9.5 mm) lead length at TA = 75 °C
IF(AV)
1.0
A
Peak forward surge current 8.3 ms single half
sine-wave superimposed on rated load
IFSM
30
A
TJ, TSTG
- 65 to + 175
°C
Operating junction and storage temperature range
ELECTRICAL CHARACTERISTICS
PARAMETER
TEST CONDITIONS
Maximum instantaneous
forward voltage
1.0 A
Maximum DC reverse
current at rated DC
blocking voltage
SYMBOL
1N4933
1N4934
VF
1N4935
1N4936
1N4937
1.2
TA = 25 °C
UNIT
V
5.0
IR
μA
TA = 125 °C
100
Maximum reverse
recovery time
IF = 1.0 A, VR = 30 V
trr
200
ns
Typical junction
capacitance
4.0 V, 1 MHz
CJ
15
pF
THERMAL CHARACTERISTICS
PARAMETER
Typical thermal resistance
SYMBOL
RJA
1N4933
(1)
1N4934
1N4935
1N4936
55
Note
(1) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5 mm) lead length, PCB mounted
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1N4937
UNIT
°C/W
1N4933 THRU 1N4937
50V-600V
GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER
ATINGS AND CHARACTERISTIC CURVES
1.0A
1N4933 THRU 1N4937
Figure 1 Typical Forward Characteristics
Figure 2 Forward Derating Curve
1.2
20
10
6
1.0
4
2
Amps
.8
1
.6
.6
.4
Amps .4
.2
TJ=25°C
.1
.06
.2
Single Phase, Half Wave
60Hz Resistive or Inductive Load
.04
.02
.01
0
.6
.8
1.0
1.2
0
50
75
100
125
150
175
1.6
1.4
Average Forward Rectified Current - Amperesversus
Ambient Temperature - °C
Instantaneous Forward Current - Amperesversus
Instantaneous Forward Voltage - Volts
Junction Capacitance
Figure 3
100
60
40
20
T J=25°C
10
6
4
2
1
.1
.2
.4
1
2
10
4
20
40
200
100
400
1000
Junction Capacitance - pFversus Reverse Voltage - Volts
Figure 4 Typical Reverse Characteristics
100
60
Figure 5 Peak Forward Surge Current
40
60
20
10
50
6
4
T J=100°C
40
2
1
30
.6
Amps
.4
20
.2
.1
T J=25°C
10
5
0
.06
.04
1
2
4
6
8 10
20
40
60 80 100
.02
.01
20
40
60
80
100
120
Peak Forward Surge Current - Amperesversus
Number Of Cycles At 60Hz - Cycles
140
Instantaneous Reverse Leakage Current - MicroAmperes
E-mail: [email protected]
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