The LC33CDQ is low capacitance TVS diode designed to protect voltage

sensitive components from ESD and transient voltage events. Excellent

clamping capability, low leakage, and fast response time, make these parts

ideal for ESD protection on designs where board space is at a premium.

LC33CDQ

Mechanical Characteristics

Feature

Description

Applications

ROHS

Revision March 1,2022

www.unsemi.com.tw

www.unsemi.com.tw

For technical questions, contact: tech@unsemi.com.tw

Specifications are subject to change without notice.

Please refer to www.unsemi.com.tw for current information.

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Mechanical Data



JEDEC SOT-23 Package



Molding Compound Flammability Rating : UL 94V-O



Weight 8.0 Milligrams (Approximate)



Lead Finish : Lead Free



40 Watts Peak Pulse Power per Line (tp=8/20μs)



Protects two unidirectional I/O lines



Low clamping voltage



Low leakage current



IEC61000-4-2 (ESD) ±15kV (air), ±8kV (contact)



IEC61000-4-5 (LIGHTING) 4A(8/20μs)



IEC61000-4-4 (EFT) 40A (5/50ηs)

Functional Diagram



Color LCD Protection



Industrial Equipment



Digital Visual Interface



Cellular Handsets & Accessories



Central Office Equipment



MDDI Ports



CCTV Cameras



LVDS Interfaces

Transient Voltage Suppressors for ESD Protection

Parameter

Symbol

Value

Units

Peak Pulse Power (Tp=8/20μs waveform)

Lead Soldering Temperature

Storage Temperature Range

Operating Junction Temperature Range

Ppp

TL

TSTG

TJ

40

260 (10 sec.)

-55 to +150

-40 to +125

Watts

°C

°C

°C