Datasheet > LSDB3

LSDB3

更新时间： 2024-09-18 05:43:03

品牌	Logo	应用领域
商升特 - SEMTECH		数据判读及分析中心
页数	文件大小	规格书
1页	168K
描述
SILICON BIDIRECTIONAL DIACS

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LSDB3 数据手册

LSDB3, LSDB4

SILICON BIDIRECTIONAL DIACS

The glass passivated, three-layer, two terminal, axial lead,

hermetically sealed diacs are designed specifically for

triggering thyristors. They demonstrate low breakover current

at breakover voltage as they withstand peak pulse current.

The breakover symmetry is within four volts with a typical

breakover voltage of LSDB3 32 V, LSDB4 40 V. These diacs

are intended for use in thyristor phase control, circuits for

lamp-dimming, universal-motor speed controls, and heat

controls.

LS-34

QuadroMELF

Dimensions in mm

Storage Temperature Range T_S- 40 C to +150 C

Operating Temperature Range T_J- 40 C to +100 C

MAXIMUM RATINGS at 50 C Ambient

Peak Current (10 µs duration, 120 cycle repetition rate) I_P± 2 A Max.

Peak output voltage e_P3 ± Volts Max.¹⁾

Characteristics at T_a= 25 C

Parameter

Symbol

Min.

Max.

Unit

LSDB3

LSDB4

Breakover Voltage

Breakover Currents

V_(BR)1and V_(BR)2

I_(BR)1and I_(BR)2

200

3.8

µA

Breakover Voltage Symmetry

[V_(BR)1]-[V_(BR)2

]

Dynamic Breakover Voltage

ΔI = [I_BRto I_F= 10 mA]

| ΔV ± |

Thermal Impedance Junction to Ambient Air

R_θJA

C/W

load up to 1500 W

3.3 K

DIAC

120 VAC

60 Hz

60~

120 V

TRIAC

0.1 uF

200 K

CIRCUIT FOR PEAK OUTPUT VOLTAGE TEST

BILATERAL

TRIGGER

DIAC

0.1 uF

100 V

TYPICAL DIAC-TRIAC FULL-WAVE PHASE

CONTROL CIRCUIT

SEMTECH ELECTRONICS LTD.

(Subsidiary of Sino-Tech International Holdings Limited, a company

listed on the Hong Kong Stock Exchange, Stock Code: 724)

Dated : 18/01/2008

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