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
Marking spec
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T = 75°C
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 T = 55°C
A
Typical thermal resistance (Note 2)
Operating junction and storage temperature range
V
RRM
V
RMS
V
DC
IF(AV)
I
FSM
IR(AV)
RθJA
TJ,
TSTG
1N
4933
1N
4934
symbol
1N
4933
1N
4933
50
35
50
1N
4934
1N
4934
100
70
100
1N
4935
1N
4935
200
140
200
1.0
30
100
60
–50 to +150
1N
4936
1N
4936
400
280
400
1N
4937
1N
4937
600
420
600
Unit
V
V
V
A
A
µA
°C/W
°C
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage Tj = 125°C
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
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
symbol
V
F
IR
trr
CJ
1N
4935
1.2
5.0
100
150
15
1N
4936
1N
4937
Unit
V
µA
ns
PF
1N4933S thru 1N4937S
2. Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
60 Hz
Resistive or
Inductive Load
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
Average Forward Rectified Current (A)
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
1.0
30
0.5
15
0.375" (9.5mm) Lead Length
0
0
25 50 75 100 125
Case Temperature, °C
150 175
0
1
10
Number of Cycles at 60Hz
100
Instantaneous Forward Current (A)
Instantaneous Reverse Current (µA)
100
Fig 3.
–
Typical Instantaneous Forward
Characteristics
100
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
Fig 4.
–
Typical Reverse Characteristics
Tj=125℃
10
10
Tj=75℃
1.0
1
Tj=25℃
0.1
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
Junction Capacitance (pF)
0.01
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
Transient thermal impedance(°C/W)
100
20
10
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
10
1.0
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
1.0
0.1
1
10
Reverse Voltage (V)
100
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