LESHAN RADIO COMPANY, LTD.
1.Feature & Dimensions
* Plastic package has Underwriters Laboratory
*
*
*
*
*
*
*
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1N4933 thru 1N4937
Fast Recovery Rectifiers
Reverse Voltage 50 to 600V
Forward Current 1.0A
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 TA=55°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
2.Mechanical Data
Case:
JEDEC DO-41, 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., 0.34 g
Handling precautin:None
We declare that the material of product
compliance with RoHS requirements.
3.Electrical Characteristic
Parameter Symbol
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
A
= 55°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
A
= 55°
C
Typical thermal resistance (Note 2)
symbol
V
RRM
V
RMS
V
DC
IF(AV)
I
FSM
1N
4933
50
35
50
Maximum Ratings & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
1N
4934
100
70
100
1N
4935
200
140
200
1.0
30
1N
4936
400
280
400
1N
4937
600
420
600
Unit
V
V
V
A
A
IR(AV)
RθJA
100
55
–50 to +150
1N
4933
1N
4934
1N
4935
1.2
5.0
200
150
15
1N
4936
1N
4937
µA
°C/W
°C
Operating junction and storage temperature range TJ, TSTG
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 TA = 100°C
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
symbol
V
F
IR
trr
CJ
Unit
V
µA
ns
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
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LESHAN RADIO COMPANY, LTD.
4. 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 75 100 125 150 175
Ambient Temperature, °C
0
1
10
Number of Cycles at 60Hz
100
Instantaneous Forward Current (A)
Instantaneous Reverse Current (µA)
100
Fig 3.
–
Typical Instantaneous Forward
Characteristics
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
Fig 4.
–
Typical Reverse Characteristics
10
Tj=100℃
10
1.0
Tj=75℃
1.0
0.1
Tj=25℃
0.1
0.01
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)
0.001
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
20
10
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
Transient thermal impedance(°C/W)
100
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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