TISP4350M3BJR-S The Bourns TISP4350M3BJR-S is a bidirectional thyristor overvoltage protector designed for telephone line protection. It features a 275V stand-off voltage and a 395V breakdown voltage.
Mfr Part #:

TISP4350M3BJR-S

Available from 1 distributors
Mfr Name: Bourns
Bourns
The Bourns TISP4350M3BJR-S is a bidirectional thyristor overvoltage protector designed for telephone line protection. It features a 275V stand-off voltage and a 395V breakdown voltage.
✓ Total Stock: 3,000 pcs
$ Price Range: $1.27

TISP4350M3BJR-S Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,000 pcs
3000 pcs On Request 1 On Request On Request 0637+ On Request On Request

TISP4350M3BJR-S Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance
Current
Lead Style
Mounting Type
Number of Elements
SVHC Present
Supplier Device Package
Supplier Package
Tape & Reel
Voltage

TISP4350M3BJR-S Description

Short technical summary and product information.

The Bourns TISP4350M3BJR-S is a bidirectional thyristor overvoltage protector from the TISP4xxxM3BJ series. It is designed to limit overvoltages on telephone lines caused by lightning or AC power system disturbances.

 

This device offers a stand-off voltage of 275V and a breakdown voltage of up to 395V, depending on the specific variant. It provides 2-point protection for 2-wire telecommunication equipment. The protector consists of a symmetrical voltage-triggered bidirectional thyristor that clips overvoltages and then crowbars into a low-voltage on-state to divert current safely.

 

Key electrical specifications include a maximum capacitance of 39pF and a current rating of 50A. It supports various peak pulse current ratings depending on the surge waveform, such as 100A for a 10/700 μs waveform and 220A for an 8/20 μs waveform.

 

The TISP4350M3BJR-S is supplied in an SMB (DO-214AA) package with surface mount capability. It is suitable for applications requiring protection against induced or conducted overvoltages on communication lines.

TISP4350M3BJR-S Quick Information

Product Type: TVS - Thyristor
Series: TISP4xxxM3BJ
Canonical Name: Bourns TISP4350M3BJR-S Bidirectional Thyristor Overvoltage Protector
Subcategory: TVS - Thyristors

TISP4350M3BJR-S Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TISP4350M3BJR-S Estimated Pricing

Qty Low High
1+ $1.27 $1.27

Estimated market price range - modelled values for guidance only, not live distributor offers.

TISP4350M3BJR-S Features

  • Bidirectional thyristor overvoltage protection.
  • Up to 395V breakdown voltage.
  • Low differential capacitance of 39pF max.
  • 50A current rating.
  • SMB (DO-214AA) surface mount package.

TISP4350M3BJR-S Applications

  • Telephone line overvoltage protection.
  • Telecommunication equipment protection.
  • Protection against lightning surges.
  • Protection against AC power disturbances.

TISP4350M3BJR-S FAQs

6 frequently asked questions generated from this part’s specifications.
What is the stand-off voltage for the TISP4350M3BJR-S?

The stand-off voltage is 275V.

What is the maximum breakdown voltage for the TISP4350M3BJR-S series?

The maximum breakdown voltage listed for the series is 395V.

What is the peak pulse current rating for an 8/20 μs waveform?

The peak pulse current rating for an 8/20 μs waveform is 220A.

What is the capacitance of this thyristor overvoltage protector?

The low differential capacitance is a maximum of 39pF.

What package type is the TISP4350M3BJR-S supplied in?

It is supplied in an SMB (DO-214AA) package.

How is the TISP4350M3BJR-S mounted?

It is a surface mount device.

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