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SM4933 Fiches technique(PDF) 1 Page - SEMTECH ELECTRONICS LTD.

No de pièce SM4933
Description  SURFACE MOUNT GLASS PASSIVATED FAST RECOVERY SILICON RECTIFIERS
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Fabricant  SEMTECH_ELEC [SEMTECH ELECTRONICS LTD.]
Site Internet  http://www.semtech.net.cn
Logo SEMTECH_ELEC - SEMTECH ELECTRONICS LTD.

SM4933 Fiches technique(HTML) 1 Page - SEMTECH ELECTRONICS LTD.

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Dated : 23/12/2008
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
SM4933 THRU SM4937
SURFACE MOUNT GLASS PASSIVATED
FAST RECOVERY SILICON RECTIFIERS
Reverse Voltage - 50 to 600 V
Forward Current - 1 A
Features
• Fast switching
• Glass passivated device
• Ideal for surface mounted applications
• Low leakage current
• Metallurgically bonded construction
Mechanical Data
• Case: MELF (DO-213AB) molded plastic
• Mounting position: Any
Absolute Maximum Ratings and Characteristics
Ratings 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 SM4933 SM4934 SM4935 SM4936 SM4937
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 (at TA = 55 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 Forward Voltage at 1 A
VF
1.2
V
at TA = 25 OC
5
Maximum Average Reverse Current at Rated DC
Blocking Voltage
at TA = 125 OC
IR
100
µA
Maximum Reverse Recovery Time
4)
trr
200
ns
Typical Junction Capacitance
1)
CJ
15
pF
Maximum Thermal Resistance
RθJA
RθJL
30
2)
75
3)
O
C/W
Operating and Storage Temperature Range
Tj ,Tstg
- 65 to + 175
O
C
1) Measured at 1 MHz and applied reverse voltage of 4 V DC.
2) Thermal resistance junction to terminal 6 mm2 copper pads to each terminal.
3) Thermal resistance from junction to ambient 6 mm2 copper pads to each terminal.
4) Test conditions: IF = 1 A, VR = 30 V.
Plastic case MELF (DO-213AB)
Dimensions in mm
5.2
4.8
2.7
2.4
Cathode Mark
0.4


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