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)
®
SM5817 THRU SM5819
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
Reverse Voltage - 20 to 40 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,60Hz, resistive or inductive load. For capacitive
load, derate current by 20%.
Parameter
Symbols
SM5817
SM5818
SM5819
Units
Maximum Repetitive Peak Reverse Voltage
VRRM
20
30
40
V
Maximum RMS Voltage
VRMS
14
21
28
V
Maximum DC Blocking Voltage
VDC
20
30
40
V
Maximum Average Forward Rectified Current at TA = 90
OC
IF(AV)
1
A
Peak Forward Surge Current 8.3 ms Single Half Sine-Wave Superimposed
on Rated Load (JEDEC method)
IFSM
25
A
Maximum Instantaneous Forward Voltage at 1 A DC
VF
0.45
0.55
0.6
V
Maximum Instantaneous Forward Voltage at 3.1 A DC
VF
0.75
0.875
0.9
V
Maximum Average Reverse Current at Rated DC Blocking
Voltage
at TA = 25
OC
at TA = 100
OC
IR
1
10
mA
Typical Thermal Resistance
1)
RθJA
80
OC/W
Typical Junction Capacitance
2)
CJ
110
pF
Operating and Storage Temperature Range
Tj,Tstg
- 65 to + 125
OC
1) Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5" (12.7 mm) Lead Length.
2) Measured at 1 MHz and applied reverse voltage of 4 volts.
Plastic case MELF (DO-213AB)
Dimensions in millimeters
Plastic case MELF (DO-213AB)
Dimensions in millimeters