2020-42T-ALF Bourns Inc., 2020-42T-ALF Datasheet

2020-42T-ALF

Manufacturer Part Number

2020-42T-ALF

Description

GAS DISCHARGE TUBE 3 POLE 360V

Manufacturer

Bourns Inc.

Series

2020Tr

Datasheets

1.2020-15T-ALF.pdf (1 pages)

2.2020-15T-ALF.pdf (3 pages)

Specifications of 2020-42T-ALF

Impulse Discharge Current

5.0kA 8x20µs

Spark Over Voltage

420V

Package / Case

Non-Standard SMD

Mounting Type

Surface Mount

Suppressor Type

Gas Discharge Tube (GDT)

Dc Breakover Voltage

360V

Impulse Sparkover Voltage

850V

Gdt Case Style

Radial Leaded

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Tolerance

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.

“Bourns” is a registered trademark of Bourns, Inc.

“TBU” is a registered trademark of Bourns, Inc. in the U.S., Taiwan and European Community.

Riverside, California - TO BE RELEASED MARCH 4, 2011 - Bourns is pleased to announce the release of the

2020 T Series fast response Gas Discharge Tubes (GDTs) designed for use with Bourns® TBU® High-speed

Protectors.

The newly released part numbers and speciﬁ cations are:

The 2020 T Series and Bourns® TBU® High-speed Protectors are an ideal protection solution for a broad number of

industrial applications as well as telecom applications requiring GR-1089 or ITU-T K.21 compliance. The Bourns®

2020 T Series is also available with an optional fail-short mechanism for applications requiring UL safety standard

compliance.

These GDT devices provide coordinated overvoltage protection for the speciﬁ ed TBU® protector models shown in

the above table. Together, the GDT and TBU® protectors provide extremely fast overcurrent protection (OCP) and

overvoltage protection (OVP) against electrical transients. When exposed to a transient event, the TBU® protector

will transition into a current-blocking condition in less than one microsecond at the rated current. When needed,

the GDT will transition into conduction at a voltage below its maximum impulse rating, protecting the TBU®

device from overvoltage and shunting the excess surge energy to ground. Once the transient subsides, the GDT and

TBU® device will reset to their normal off-state modes of operation.

The new models are available as RoHS* compliant. The product data sheets with detailed speciﬁ cations can be

viewed on the Bourns website at www.bourns.com. Please contact your local Bourns Representative or Bourns

Customer Service for samples or for further information.

2020-15T

2020-23T

2020-42T

Number

Part

Features

■

Fast acting

Balanced

Stable breakdown throughout life

Designed to operate with TBU® devices

RoHS compliant* versions available

Bourns Releases New Gas Discharge Tube

DCBD

180

360

(V)

G A S D I S C H A R G E T U B E S

ADVANCE NOTICE

Model 2020 T Series

8 x 11.2

(mm)

Size

Applications

■

Telecommunications

Industrial electronics

Avionics

Impulse Voltage (V)

5 kV/µs

500

650

850

TBU® Series

Used with

TBU-CA050

TBU-CA065

TBU-CA085

GDT1104

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