Dated : 20/02/2008 C
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
1N4933S THRU 1N4937S
FAST RECOVERY RECTIFIERS
Reverse Voltage – 50 to 600 V
Forward Current – 1 A
Features
• Low reverse leakage
• High forward surge current capability
• The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
• Construction utilizes void-free molded plastic technique
Mechanical Data
• Case: A-405, Molded plastic.
• Terminals: Plated Axial leads, solderable per MIL-STD-750,
method 2026
• Polarity: Color band denotes cathode end
• Mounting Position: Any
Absolute Maximum Ratings and Characteristics
Rating at 25
OC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Parameter
Symbols 1N4933S 1N4934S 1N4935S 1N4936S 1N4937S Units
Maximum Repetitive Peak Reverse Voltage
VRRM
50
100
200
400
600
V
Maximum RMS Voltage
VRMS
35
70
140
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 lengths at TA = 75 OC
IF(AV)
1
A
Peak Forward Surge Current 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC Method)
IFSM
30
A
Maximum Instantaneous Forward Voltage at 1 A
VF
1.2
V
Maximum DC Reverse Current
at TA = 25 OC
at Rated DC Blocking Voltage
at TA = 100 OC
IR
5
50
µA
Maximum Reverse Recovery Time
1)
trr
200
ns
Typical Junction Capacitance
2)
CJ
15
pF
Typical Thermal Resistance
3)
RθJA
50
O
C/W
Operating and Storage Temperature Range
TJ ,TS
- 65 to + 150
O
C
1) Reverse recovery condition I
F = 0.5 A, IR = 1 A, Irr = 0.25 A
1) Measured at 1 MHz and applied reverse voltage of 4 V D.C.
2) Thermal resistance from junction to ambient at 0.375" (9.5 mm) lead length, P.C.B mounted.
A-405
1.0(25.4) Min.
1.0(25.4) Min.
Dimensions in inches and (millimmeters)
DIA.
DIA.
0.025(0.65)
0.021(0.55)
0.107(2.7)
0.080(2.3)
0.205(5.2)
0.166(4.2)
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