Overview
Online design
Sample & Buy
Solutions
Documentation
CAD Resources
Tools & Software
Quality & Reliability
Partner products
Sales Briefcase

Product overview

Description

Functioning as a trigger diode with a fixed voltage reference, the DB3/DB4 series can be used in conjunction with triacs for simplified gate control circuits or as a starting element in fluorescent lamp ballasts. The surface mount SOT23-3L package allows compact, SMD based designs for automated manufacturing.
  • All features

    • VBO : 32 V and 40 V
    • Low breakover current
    • Breakover voltage symmetry : 3V
    • ECOPACK®2 compliant

All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      THYRISTOR-FINDER

      Active

      Thyristor product finder application for Android and iOS

      Finder Apps ST
      THYRISTOR-FINDER

      Description:

      Thyristor product finder application for Android and iOS

EDA Symbols, Footprints and 3D Models

STMicroelectronics - DB3

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
DB3
Active
DO-35 Industrial Ecopack2

DB3

Package:

DO-35

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DO-35

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Budgetary Price (US$)*/Qty
More info
min
max
DB3 Available at 1 distributors

Distributor availability ofDB3

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 3781 5 Buy from Distributor

Distributor reported inventory date: 2021-10-04

Distributor Name

RS COMPONENTS

Stock

3781

Min.Order

5

Distributor reported inventory date: 2021-10-04

Active
EAR99 NEC Tape And Reel DO-35 - - 0.028 / 100
MORE INFO

Junction Temperature (°C) (max):

125

Country of Origin:

CHINA

DB3

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.028 / 100

Distributor availability ofDB3

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 3781 5 Buy from Distributor

Distributor reported inventory date: 2021-10-04

Distributor Name

RS COMPONENTS

Stock

3781

Min.Order

5

Distributor reported inventory date: 2021-10-04

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

DO-35

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

0.028 / 100

Junction Temperature (°C) (max)

125

Country of Origin

CHINA

(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors