SR820 查看數據表（PDF） - Semtech Electronics LTD.
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SR820 Datasheet PDF : 2 Pages
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SR820 THRU SR860
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage – 20 to 60 V
Forward Current – 8 A
Features
• High current capability, low VF
• Metal to silicon rectifier, majority carrier conduction
• Low power loss, high efficiency
• Plastic package has UL flammability classification 94V-0
• Guard ring for transient protection
• High surge capacity
• For use in low voltage, high frequency inverters free
wheeling, and polarity protection applications
Mechanical Data
Case: Molded plastic, TO-220A
Epoxy: UL 94V-0 rate flame retardant
Terminals: Leads solderable per MIL-STD-202,
method 208 guaranteed
Polarity: As marked
Mounting Position: Any
Absolute Maximum Ratings and Characteristics
Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive
or inductive load. For capacitive load, derate current by 20%
Parameter
Maximum Recurrent Peak Reverse Voltage
Symbols SR820
VRRM
20
SR830
30
SR840
40
SR850
50
SR860
60
Units
V
Maximum RMS Voltage
VRMS
14
21
28
35
42
V
Maximum DC Blocking Voltage
VDC
20
30
40
50
60
V
Maximum Average Forward Rectified Current
I(AV)
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
IFSM
(JEDEC method )
Maximum Forward Voltage at 8 A DC and 25 OC
VF
8
A
150
A
0.55
0.7
V
Maximum Reverse Current at
Rated DC Blocking Voltage
TC = 25 OC
TC = 125 OC
IR
0.5
mA
50
Typical Junction Capacitance 1)
Typical Thermal Resistance 2)
CJ
RθJC
700
3
460
pF
OC/W
Operating Temperature Range
Topr
- 55 to + 125
- 55 to + 150
OC
Storage Temperature Range
Tstg
- 55 to + 150
OC
1) Measured at 1 MHz and applied reverse voltage of 4 V.
2) Thermal Resistance from Junction to case per leg.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
R
Dated : 06/05/2006 H
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