SMDB3, US $ .3-.52 , STMicroelectronics, SMDB3 DataSheet download, circuit diagram from SeekIC.com

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SeekIC No. : 00195583 Detail

SMDB3: Diacs 32 Volt Trigger

SMDB3 Data Sheet

US $ .3~.52 / Piece | Get Latest Price

Part Number:: SMDB3
Mfg:: STMicroelectronics
Supply Ability:: 5000

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Unit Price
$.52
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Upload time: 2025/12/24

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Recent History
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Product Details

Quick Details

Breakover Voltage VBO :	45 V	Mounting Style :	SMD/SMT
Package / Case :	SOT-23	Packaging :	Reel

Description

Mounting Style : SMD/SMT
Packaging : Reel
Breakover Voltage VBO : 45 V
Package / Case : SOT-23

Features:

VBO : 32V and 40V
LOW BREAKOVER CURRENT

Specifications

Symbol	Parameter		Value	Unit
I_TRM	Repetitive peak on-state current tp = 20 ms F= 120 Hz	SMDB3	1.00	A
		DB3 / DB4	2.00
T_stg T_j	Storage temperature range Operating junction temperature range		- 40 to + 125	°C

Description

Functioning as a trigger diode with a fixed voltage reference, the DB3/DB4 series SMDB3 can be used in conjunction with triacs for simplified gate control circuits or as a starting element in fluorenscent lamp ballasts.

A new surface mount version is now available in SOT-23 package, providing reduced space and compatibility with automatic pick and place equipment.

Parameters:

Technical/Catalog Information	SMDB3
Vendor	STMicroelectronics (VA)
Category	Discrete Semiconductor Products
Package / Case	SOT-23-3
Packaging	Cut Tape (CT)
Voltage - Breakover	28 ~ 36V
Current - Breakover	10A
Current - Peak Output	1A
Holding Current (Ih)	*
Current - Hold (Ih) (Max)	-
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	SMDB3 SMDB3 497 3148 1 ND 49731481ND 497-3148-1

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SMDB3

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