CMSH3-20L CMSH3-40L
SURFACE MOUNT SILICON LOW VF
SCHOTTKY RECTIFIERS 4.0 AMP, 20 AND 40 VOLT
w w w. c e n t r a l s e m...
CMSH3-20L CMSH3-40L
SURFACE MOUNT SILICON LOW VF
SCHOTTKY RECTIFIERS 4.0 AMP, 20 AND 40 VOLT
w w w. c e n t r a l s e m i . c o m
DESCRIPTION: The CENTRAL SEMICONDUCTOR CMSH3-20L and CMSH3-40L 4.0 Amp surface mount low VF silicon
Schottky rectifiers are highly reliable components designed for use in all types of commercial, industrial, entertainment, computer, and automotive applications where high efficiency is required.
SMC CASE
MARKING CODES: CMSH3-20L: CS320L CMSH3-40L: CS340L
FEATURES: 4.0 Amp average forward current
(upgraded from 3.0 Amps) Low forward voltage drop High current capability Flammability classification UL94V-0
MAXIMUM RATINGS: (TA=25°C unless otherwise noted) SYMBOL
Peak Repetitive Reverse Voltage
VRRM
DC Blocking Voltage
VR
RMS Reverse Voltage
VR(RMS)
* Average Forward Current (TL=90°C)
IO
* Peak Forward Surge Current, tp=8.3ms
IFSM
Operating and Storage Junction Temperature
TJ, Tstg
Thermal Resistance
ΘJL
CMSH3-20L CMSH3-40L
20
40
20
40
14
28
4.0
150
-65 to +150
14
ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted)
SYMBOL TEST CONDITIONS
TYP
IR
VR=Rated VRRM
IR
VR=Rated VRRM, TA=100°C
* VF
IF=4.0A (CMSH3-20L)
0.38
* VF
IF=4.0A (CMSH3-40L)
0.40
VF
IF=3.0A (CMSH3-20L)
0.36
VF
IF=3.0A (CMSH3-40L)
0.37
CJ
VR=0, f=1.0MHz (CMSH3-20L)
797
CJ
VR=0, f=1.0MHz (CMSH3-40L)
787
* Upgraded Specification
MAX 0.50 35 0.42 0.44 0.38 0.40
UNITS V V V A A °C
°C/W
UNITS mA mA V V V V pF pF
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