Silicon Bidirectional Trigger Diode YFW LLDB3 for Thyristor Phase Control Circuits Lamp Dimming and Speed Control
Key Attributes
Model Number:
LLDB3
Product Custom Attributes
Breakover Voltage VBO(Range Value):
28V~36V
Breakover Current (Ibo):
50uA
Repetitive Peak On-state Current (Itrm):
2A
Rise Time(tr):
2us
Dynamic Breakover Voltage:
5V
Leak Current:
10uA
Breakover Voltage VBO(Typ):
-
Mfr. Part #:
LLDB3
Package:
LL-34
Product Description
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
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