STMicroelectronics SMDB3 DIAC 36 V 1 A 3-Pin SOT-23

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Subtotal (1 pack of 20 units)*

R 134,74

(exc. VAT)

R 154,96

(inc. VAT)

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Units
Per unit
Per Pack*
20 - 20R 6.737R 134.74
40 - 80R 6.569R 131.38
100 - 180R 6.372R 127.44
200 - 380R 6.117R 122.34
400 +R 5.872R 117.44

*price indicative

Packaging Options:
RS stock no.:
687-0965
Mfr. Part No.:
SMDB3
Manufacturer:
STMicroelectronics
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Brand

STMicroelectronics

Product Type

DIAC

Maximum Breakover Current IBO

0.01mA

Maximum Breakover Voltage VBO

36V

Repetitive Peak On-State Current

1A

Repetitive Peak Off-State Current

0.01mA

Mount Type

Surface

Package Type

SOT-23

Pin Count

3

Minimum Operating Temperature

125°C

Maximum Operating Temperature

-40°C

Standards/Approvals

No

Width

1.3 mm

Height

0.95mm

Length

2.9mm

Series

SMDB3

Automotive Standard

No

DB3, DB4, SMDB3 DIAC Diodes


ST Microelectronics 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.

Features and Benefits


  • VBO: 32 V and 40 V

  • Low breakover current

  • Breakover voltage symmetry: 3V

  • ECOPACK®2 compliant

    • Applications


  • Triggering device for Triac or SCR based motor/ light dimmer

  • 32 V trigger device for oscillator circuit

  • Start-up triggering in lighting ballast for CFL, TL or LED lamps

    • The DIAC, or 'diode for alternating current', is a diode that conducts current only after its breakover voltage has been reached momentarily.

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