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LRC
LRC

1N4937S Datasheet Preview

1N4937S Datasheet

Fast Switching Rectifiers

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1N4937S pdf
1N4933S thru 1N4937S
Fast Switching Rectifiers
Reverse Voltage 50 to 600V Forward Current 1.0A
Feature & Dimensions
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* High temperature metallurgically bonded construction
* Diffused junction
* Capable of meeting environmental standards of MIL-S-19500
* 1.0 A operation at TC=75°C with no thermal runaway
* For use in high frequency rectifier circuits
* Fast switching for high efficiency
* Typical IR less than 1.0µA
* High temperature soldering guaranteed:
260°C/10 seconds
* 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
Mechanical Data
Case: JEDEC A-405, molded plastic body
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 oz., 0.284 g
Handling precautin:None
We declare that the material of product compliance
with ROHS requirements
1.Maximum & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
1N
4933
1N
4934
1N
4935
1N
4936
1N
4937
Unit
Marking spec
1N 1N 1N 1N 1N
4933 4934 4935 4936 4937
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at TC = 75°C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum full load reverse current, full cycle
average,0.375"(9.5mm) lead lengths at TA = 55°C
Typical thermal resistance (Note 2)
Operating junction and storage temperature range
VRRM
VRMS
VDC
IF(AV)
IFSM
IR(AV)
RθJA
TJ,
TSTG
50
35
50
100 200 400 600
70 140 280 420
100 200 400 600
1.0
V
V
V
A
30 A
100
60
–50 to +150
µA
°C/W
°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
1N
4933
1N
4934
1N
4935
1N
4936
1N
4937
Unit
Maximum instantaneous forward voltage at 1.0A
VF
1.2
V
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage Tj = 125°C
IR
5.0
100
µA
Typical reverse recovery time (Note 1) trr 150 ns
Typical junction capacitance at 4.0V, 1MHz
CJ
15
PF
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted



LRC
LRC

1N4937S Datasheet Preview

1N4937S Datasheet

Fast Switching Rectifiers

No Preview Available !

1N4937S pdf
1N4933S thru 1N4937S
2. Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 1 Forward Current Derating Curve
Fig. 2 Maximum Non-repetitive Peak
Forward Surge Current
60 Hz
Resistive or
TJ = TJ max
1.0
Inductive Load
8.3ms Single Half Sine-wave
30 (JEDEC Method)
0.5
0.375" (9.5mm) Lead Length
0
0 25 50 75 100 125
Case Temperature, °C
150 175
Fig 3. Typical Instantaneous Forward
100 Characteristics
TJ = 25°C
Pulse width = 300µs
10 1% Duty Cycle
1.0
0.1
0.01
0.6 0.8 1.0 1.2 1.4 1.6
Instantaneous Forward Voltage (V)
Fig 5. typical transient thermal
impedance
100
10
1.0
15
0
1 10
Number of Cycles at 60Hz
100
Fig 4. Typical Reverse Characteristics
100
Tj=125
10
Tj=75
1
Tj=25
0.1
0.01
0
20 40
60 80 100
Percent of Rated Peak Reverse Voltage (%)
Fig 6. Typical Junction Capacitance
20 TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
10
0.1
0.01
0.1 1.0 10
t,Pulse duration,sec
100
1.0
0.1
1 10
Reverse Voltage (V)
100


Part Number 1N4937S
Description Fast Switching Rectifiers
Maker LRC
Total Page 8 Pages
PDF Download
1N4937S pdf
1N4937S Datasheet PDF
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