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                                                                                                • Reduced Prices
                                                                                                  1. Home
                                                                                                  2. Semiconductors - Discretes
                                                                                                  3. Thyristors
                                                                                                  4. Thyristors - DIACs / Thyristors - SIDACs
                                                                                                  Print Page

                                                                                                  DB4

                                                                                                  DIAC / SIDAC, 35 V, 45 V, 100 µA, DO-35, 2 Pins, DIAC

                                                                                                  Date/Lot Code

                                                                                                  STMICROELECTRONICS
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  STMICROELECTRONICS DB4
                                                                                                  ManufacturerSTMICROELECTRONICS
                                                                                                  Manufacturer Part NoDB4
                                                                                                  Order Code9946292
                                                                                                  Your Part Number
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  6,731 In Stock

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                                                                                                  QuantityPrice (ex VAT)
                                                                                                  5+kr2.680
                                                                                                  10+kr1.640
                                                                                                  100+kr1.030
                                                                                                  500+kr0.752
                                                                                                  1000+kr0.598
                                                                                                  5000+kr0.505
                                                                                                  Price for:Each
                                                                                                  Minimum: 5
                                                                                                  Multiple: 5
                                                                                                  kr13.40 (ex VAT)
                                                                                                  Line Note
                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                  Product Information

                                                                                                  STMICROELECTRONICS
                                                                                                  ManufacturerSTMICROELECTRONICS
                                                                                                  Manufacturer Part NoDB4
                                                                                                  Order Code9946292
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Breakover Voltage Min35V
                                                                                                  Breakover Voltage Max45V
                                                                                                  Breakover Current Max100µA
                                                                                                  Diac / Sidac Case StyleDO-35
                                                                                                  No. of Pins2Pins
                                                                                                  TypeDIAC
                                                                                                  Operating Temperature Max125°C
                                                                                                  Thyristor MountingThrough Hole
                                                                                                  Product Range-
                                                                                                  SVHCNo SVHC (25-Jun-2025)

                                                                                                  Product Overview

                                                                                                  The DB4 is a 2-pin DIAC for used in conjunction with TRIACs for simplified gate control circuits or as a starting element in fluorescent lamp ballasts. The DB4 series DIAC functioning as a trigger diode with a fixed voltage reference.

                                                                                                  • Low break-over-current

                                                                                                  Applications

                                                                                                  Motor Drive & Control, Industrial, Lighting

                                                                                                  Technical Specifications

                                                                                                  Breakover Voltage Min

                                                                                                  35V

                                                                                                  Breakover Current Max

                                                                                                  100µA

                                                                                                  No. of Pins

                                                                                                  2Pins

                                                                                                  Operating Temperature Max

                                                                                                  125°C

                                                                                                  Product Range

                                                                                                  -

                                                                                                  Breakover Voltage Max

                                                                                                  45V

                                                                                                  Diac / Sidac Case Style

                                                                                                  DO-35

                                                                                                  Type

                                                                                                  DIAC

                                                                                                  Thyristor Mounting

                                                                                                  Through Hole

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Technical Docs (2)

                                                                                                  Technical Data Sheet EN

                                                                                                  Product Change Notice EN

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  China
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:85413000
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.000318
                                                                                                  Product traceability

                                                                                                  Date/Lot Code

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