Bidirectional Trigger Diode FOSAN DB3W for Universal Motor Speed Control and Lamp Dimming Solutions

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Product Description

Product Overview

The DB3W is a bidirectional trigger diode designed for thyristor phase control applications. It is suitable for dimming lamps and controlling the speed of universal motors.

Product Attributes

Brand: FOSAN
Product Name: DB3W SOD-123FL Trigger Diode
Marking: DB3

Technical Specifications

Characteristic	Symbol	Rating	Unit	Notes
Repetitive Peak On-state Current @ tp=20S, f=100Hz	ITRM	2	A
Power Dissipation	PD	150	mW
Thermal Resistance Junction-Ambient	RJA	833	/W
Junction/Storage Temperature	TJ,Tstg	-40to+125
Breakover Voltage @ C = 22 nF, see diagram 1	VBO	28-36	V
Breakover Voltage Symmetry @ C = 22 nF, see diagram 1 [\|+VBO\|-\|-VBO \|]		3	V
Dynamic Breakover Voltage @I = [IBO to IF = 10 mA] \| V \|		5	V
Output Voltage See diagram 2	VO	5	V
Breakover Current @C = 22 nF	IBO	50	A
Leakage Current @VB=0.5VBO	IB	10	A
Rise Time See diagram 3	Tr	2	S