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Silicon Bidirectional Trigger Diode YFW LLDB3 for Thyristor Phase Control Circuits Lamp Dimming and Speed Control

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Silicon Bidirectional Trigger Diode YFW LLDB3 for Thyristor Phase Control Circuits Lamp Dimming and Speed Control

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Model Number :	LLDB3

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Silicon Bidirectional Trigger Diode YFW LLDB3 for Thyristor Phase Control Circuits Lamp Dimming and Speed Control

Product Overview

The LL-34 LLDB3/LLDB4 are Silicon Bidirectional Trigger Diodes designed for thyristor phase control circuits. They are suitable for applications such as lamp-dimming, universal-motor speed controls, and heat controls.

Product Attributes

Brand: GuangDongYoufengMicroelectronicsCo,Ltd.
Product Series: LL-34
Model Numbers: LLDB3, LLDB4
Package Type: Glass Case Mini MELF
Origin: China (implied by company name)

Technical Specifications

Parameter	Symbol	LLDB3 (Min./Max.)	LLDB4 (Min./Max.)	Unit	Conditions
Breakover Voltage	VBO	28 / 36	35 / 45	V	C = 22 nF
Breakover Voltage Symmetry	[\|+VBO\|-\|-VBO\|]	- 3		V	C = 22 nF
Dynamic Breakover Voltage	\| V \|	5		V	I = [IBO to IF = 10 mA]
Output Voltage	VO	5 -		V	See diagram 2
Breakover Current	IBO	- 50		A	C = 22 nF
Leakage Current	IB	- 10		A	VB = 0.5 VBO max
Rise Time	tr	- 2		s	See diagram 3
Power Dissipation	Ptot	150		mW	Ta = 65 OC
Repetitive Peak On-state Current	ITRM	2		A	tp = 20 s, f = 100 Hz
Operating Junction and Storage Temperature Range	Tj, Tstg	- 40 to + 125		OC

2410121545_YFW-LLDB3_C20623352.pdf

Silicon Bidirectional Trigger Diode YFW LLDB3 for Thyristor Phase Control Circuits Lamp Dimming and Speed Control

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