DSS

Features

•High DC spark-over voltage in spite of compact size (2types; 2700, 3000V) .

•DSS-272M and DSS-302M each correspond to 1200volts rms 3seconds or 1000volts rms 1minute and 1500volts rms 1minute AC withstanding voltage tests respectively.

•Quick response for surge voltage and low limiting voltage.

•Small capacitance and excellent insulation resistance (100MΩmin)

•Stable for repeated discharge test conditions and environmental fluctuation.

•No polarity.

•No dark effect.

•This series are recognized under UL 1414, UL1449, CSA and TÜV.

Dimensions

Characteristics

Part number DC spark-over voltage
(Vs)
Insuration resistance
(IR)
Electrostatic capacitance
1kHz-6V max.
Surge current capacity
8/20μsec-
DSS-272M 2,700V(2,160〜3,240) 100MΩmin. DC500V 1pF max. 500A
DSS-302M 3,000V(2,400〜3,600)
Part number Surge life test
8/20μsec50A
AC withstanding voltage UL approved CSA approved
6)
EN approved
7)
4)
UL1414
5)
UL1449
DSS-272M 300 times AC1,200V-3sec.
AC1,000V-1min.
○1) ○2) ○2) -
DSS-302M AC1,500V-1min. ○1) ○2) ○2) ○3)

1):Approved if used together with an UL approved varistor (AC125V : V1mA≧270V 8 Joule Min at 2ms, AC250V : V1mA≧470V 8 Joule Min at 2ms), electrically connected in series by means such as twist and soldering, staking, welding etc.
2):Approved if used together with a varistor (AC125V : V1mA≧270V, D≧φ5mm, AC250V : V1mA≧470V, D≧φ5mm), electrically connected in series by means such as twist and soldering, staking, welding etc.
3):Approved if used together with a varistor (V1mA≧470V, D≧φ10mm), electrically connected in series by means such as twist and soldering, staking, welding etc.
4):UL Standard UL1414 File No.E89615
5):UL Standard UL1449 File No.E318314
6):CSA Standard C22.2 No1 File No. CA111411
7):TÜV Report No J9750615.