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

                                                                                                  SMDB3

                                                                                                  DIAC / SIDAC, 28 V, 36 V, 50 µA, SOT-23, 3 Pins, DIAC

                                                                                                  STMICROELECTRONICS SMDB3
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerSTMICROELECTRONICS
                                                                                                  Manufacturer Part NoSMDB3
                                                                                                  Newark Part No.50P8726
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  Packaging Options
                                                                                                  132,139 In Stock

                                                                                                  Need more?

                                                                                                  11986 Delivery in 1-3 Business Days(US stock)
                                                                                                  120153 Delivery in 2-4 Business Days(UK stock)
                                                                                                  Order before 9pm
                                                                                                  QuantityPrice
                                                                                                  1+$0.904
                                                                                                  10+$0.625
                                                                                                  25+$0.565
                                                                                                  50+$0.505
                                                                                                  100+$0.445
                                                                                                  250+$0.395
                                                                                                  500+$0.313
                                                                                                  1000+$0.258
                                                                                                  Price for:Each (Supplied on Cut Tape)
                                                                                                  Minimum: 1
                                                                                                  Multiple: 1
                                                                                                  $0.90
                                                                                                  Enter Your Part No/Line Note
                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                                                                                                  This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                  Product Information

                                                                                                  ManufacturerSTMICROELECTRONICS
                                                                                                  Manufacturer Part NoSMDB3
                                                                                                  Newark Part No.50P8726
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Breakover Voltage Min28V
                                                                                                  Breakover Voltage Max36V
                                                                                                  Peak Forward Current-
                                                                                                  Breakover Current Max50µA
                                                                                                  Diac / Sidac Case StyleSOT-23
                                                                                                  No. of Pins3Pins
                                                                                                  TypeDIAC
                                                                                                  Operating Temperature Max125°C
                                                                                                  Thyristor MountingSurface Mount
                                                                                                  Product Range-
                                                                                                  SVHCNo SVHC (21-Jan-2025)

                                                                                                  Product Overview

                                                                                                  The SMDB3 is a 32V VBO DIAC functioning as a trigger diode with a fixed voltage reference. It can be used in conjunction with TRIACs for simplified gate control circuits or as a starting element in fluorescent lamp ballasts.

                                                                                                  • Low break over current

                                                                                                  Technical Specifications

                                                                                                  Breakover Voltage Min

                                                                                                  28V

                                                                                                  Peak Forward Current

                                                                                                  -

                                                                                                  Diac / Sidac Case Style

                                                                                                  SOT-23

                                                                                                  Type

                                                                                                  DIAC

                                                                                                  Thyristor Mounting

                                                                                                  Surface Mount

                                                                                                  SVHC

                                                                                                  No SVHC (21-Jan-2025)

                                                                                                  Breakover Voltage Max

                                                                                                  36V

                                                                                                  Breakover Current Max

                                                                                                  50µA

                                                                                                  No. of Pins

                                                                                                  3Pins

                                                                                                  Operating Temperature Max

                                                                                                  125°C

                                                                                                  Product Range

                                                                                                  -

                                                                                                  Technical Docs (3)

                                                                                                  Product Change Notice EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Legislation and Environmental

                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:Unknown
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (21-Jan-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

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