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SMM4F28A

Description
400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-222AA
Categorysemiconductor    Discrete semiconductor   
File Size92KB,10 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

SMM4F28A Overview

400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-222AA

SMM4F28A Parametric

Parameter NameAttribute value
Number of terminals2
Number of components1
Maximum breakdown voltage18.9 V
Minimum breakdown voltage17.1 V
Processing package descriptionHALOGEN FREE AND ROHS COMPLIANT, PLASTIC PACKAGE-2
Lead-freeYes
EU RoHS regulationsYes
stateACTIVE
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE
surface mountYes
Terminal formFLAT
terminal coatingMATTE TIN
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
CraftsmanshipAVALANCHE
structureSINGLE
Diode component materialsSILICON
Maximum power consumption limit2.5 W
polarityUNIDIRECTIONAL
Diode typeTRANS VOLTAGE SUPPRESSOR DIODE
shutdown voltage15 V
Maximum non-repetitive peak speed power400 W
SMM4F
High junction temperature Transil™
Features
Typical peak pulse power:
– 400 W (10/1000 µs)
– 2.4 kW (8/20 µs)
Stand off voltage range: from 5 V to 33 V
Unidirectional types
Low leakage current:
– 0.2 µA at 25 °C
– 1 µA at 85 °C
Operating T
j
max: 175 °C
JEDEC registered package outline
RoHS package
Halogen free molding compound
K
STmite flat
(DO222-AA)
A
Complies with the following standards
IEC 61000-4-2 level 4:
– 15 kV (air discharge)
– 8 kV (contact discharge)
MIL STD 883G-Method 3015-7: class3
– 25 kV (human body model)
Description
The SMM4F Transil series has been designed to
protect sensitive equipment against electro-static
discharges according to IEC 61000-4-2, MIL STD
883 Method 3015, and electrical over stress such
as IEC 61000-4-4 and 5. They are generally for
surges below 400 W 10/1000 µs.
This planar technology makes it compatible with
high-end equipment and SMPS where low
leakage current and high junction temperature are
required to provide reliability and stability over
time. Their low clamping voltages provide a better
safety margin to protect sensitive circuits with
extended life time expectancy.
Packaged in STmite flat, this minimizes PCB
space consumption (footprint in accordance with
IPC 7531 standard).
TM: Transil is a trademark of STMicroelectronics
December 2007
Rev 2
1/10
www.st.com
10
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