Dated : 08/01/2009 J
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
SR320 THRU SR3200
SCHOTTKY BARRIER RECTIFIERS
Reverse Voltage - 20 to 200 V
Forward Current - 3 A
Features
• Plastic package has UL flammability
classification 94V-0
• Metal silicon junction, majority carrier conduction
• Guard ring for overvoltage protection
• Low power loss, high efficiency
• High current capability, low forward voltage drop
• High surge capability
Mechanical Data
• Case: Molded plastic body, DO-201AD
• 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
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 SR320
SR330
SR340
SR350
SR360
SR380
SR3100 SR3150 SR3200 Units
Maximum Repetitive Peak Reverse Voltage
VRRM
20
30
40
50
60
80
100
150
200
V
Maximum RMS Voltage
VRMS
14
21
28
35
42
56
70
105
140
V
Maximum DC Blocking Voltage
VDC
20
30
40
50
60
80
100
150
200
V
Maximum Average Forward Rectified Current
0.375" (9.5 mm) Lead Length
IF(AV)
3
A
Peak Forward Surge Current, 8.3 ms Single Half-
Sine-Wave Superimposed on Rated Load (JEDEC
method)
IFSM
80
A
Maximum Forward Voltage at 3 A DC
VF
0.55
0.7
0.85
0.9
0.95
V
TA = 25
OC
0.5
Maximum Reverse Current at Rated
DC Blocking Voltage
TA = 100
OC
IR
20
10
mA
Typical Junction Capacitance
1)
CJ
250
160
pF
Typical Thermal Resistance
2)
RθJA
40
OC/W
Operating Junction Temperature Range
Tj
- 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 DC.
2) Thermal resistance from junction to lead vertical P.C.B mounted, 0.5" (12.7 mm) lead length.
2.8±0.2
6.5±0.5
DO-201AD-U-1
1.3 max
3.0±0.5
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