Applications

Part Numbering

Dimensions

Dimension (mm)

Symbol

Inches

ROHS

www.unsemi.com.tw

Features

Revision March 1,2022

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.

1/5

UNC Series

Spark Gap Protectors (SPG)



Approximately zero leaking current before clamping voltage



Less decay at on/off state.



High capability to withstand repeated lightning strikes.



Low electrode capacitance( ≤ 1.0 pF) and high isolation( ≥100MΩ).



RoHS compliant.



Bilateral symmetrical.



Temperature, humidity and lightness insensitive.



Operating temperature: -40℃ ~ +85℃



Storage temperature: -40℃ ~ +125℃



Meets MSL level 1, per J-STD-020



Power Supplies



Motor sparks eliminating



Relay switching spark absorbing



Data line pulse guarding



Electronic devices requiring UL497A and UL497B compliant



Telephone/Fax/Modem



High frequency signal transmitters/receivers



Satellite antenna



Radio amplifiers



Alarm systems



Cathode ray tubes in Monitors/TVs

(1) Series

(2) VS Voltage, e.g. 201=20X10¹ =200V

(3) VS Voltage tolerance: L - ±15%, M - ±20%, N - ±30%

UNC

201 M

-

(1)

(2) (3)

L1

L

d

D

28.0±2.0

6.7±1.0

0.5±0.05

3.1±0.5

1.102±0.079

0.252±0.039

0.020±0.002

0.122±0.020

L1

L1

L

D

d

Color Code3

Color Code2

Color Code1