ST40 Littelfuse Inc, ST40 Datasheet

ST40

Manufacturer Part Number

ST40

Description

Diacs 35-45V

Manufacturer

Littelfuse Inc

Datasheet

1.ST36BRP.pdf (4 pages)

Specifications of ST40

Mounting Style

SMD/SMT

Package / Case

DO-214-2

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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General Description

Teccor’s HT and ST Series of bilateral trigger diacs offer a range

of voltage characteristics from 27 V to 70 V.

A diac semiconductor is a full-wave or bidirectional thyristor. It is

triggered from a blocking state to a conduction state for either

polarity of applied voltage whenever the amplitude of applied

voltage exceeds the breakover voltage rating of the diac.

The Teccor line of diacs features glass-passivated junctions to

ensure long-term reliability and parameter stability. Teccor’s

glass offers a rugged, reliable barrier against junction

contamination.

The diac specifications listed in this data sheet are for standard

products. Special parameter selections such as close tolerance

voltage symmetry are available. Consult the factory for more

information about custom design applications.



Thyristor Product Catalog

2004 Littelfuse, Inc.

DO-35

DO-214

E8 - 1

Features

•

ST Series

•

HT Series

•

RoHS Compliant

Bilateral triggering device

Glass-passivated junctions

Wide voltage range selections

Epoxy SMT package

High-temperature, solder-bonded die attachment

DO-35 trigger package

Pre-tinned leads

HT and ST Series

http://www.littelfuse.com

Diac

+1 972-580-7777

R o HS

Related parts for ST40

ST40 Summary of contents

Page 1

DO-35 E8 General Description Teccor’s HT and ST Series of bilateral trigger diacs offer a range of voltage characteristics from diac semiconductor is a full-wave or bidirectional thyristor triggered from a blocking ...

Page 2

Diac Part No. DO-35 DO-214 HT-32 ST-32 HT-32A / HT-5761 HT-32B / HT-5761A ST-32B HT-34B ST-34B HT-35 ST-35 HT-36A / HT-5762 ST-36A HT-36B ST-36B HT-40 ST-40 HT-60 General Notes • Lead solder temperature is +230 °C for 10-second maximum; ≥1/16" ...

Page 3

Data Sheets LOAD — 1500 W 3.3 k 200 k 120 0.1 µF 100 V Figure E8.1 Typical Diac/Triac Full-wave Phase Control Circuit Using Lower Voltage Diacs. 10 5.0 3.0 2.0 1.0 0.5 0.3 ...

Page 4

Diac + Series -40 -20 0 +20 +40 +60 +80 +100 +120 +140 Junction Temperature (T Figure E8.3 Normalized V Change versus Junction Temperature ∆V+ 0 ...

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