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Product Specification

2R-5 series

GAS DISCHARGE TUBS

Circuit Protection

www.yageo.com

Mar. 16, 2021 V.1

Electrical Characteristics

Part

Number

DC

Spark-over

Voltage

Maximum

Impulse

Spark-over

Voltage

Nominal

Impulse

Discharge

Current

Alternating

Discharge

Current

Impulse

Life

Minimum

Insulation

Resistance

Maximum

Capacitance

Device

Marking

Code

100V/s

1000V/μs

8/20μs

10times

50Hz,1sec

10/1000μs

100A

Test

Voltage

(GΩ)

1MHz

(V)

(V)

(KA)

(A)

(times)

DC(V)

(pF)

2RM070L-5

2RM070M-5

70±20%

600

10

5.0

500

25

1.0

1.5

2RM070-5

2RM075L-5

2RM075M-5

75±20%

600

10

5.0

500

25

1.0

1.5

2RM075-5

2RM090L-5

2RM090M-5

90±20%

600

10

10

500

50

1.0

1.5

2RM090-5

2RM120L-5

2RM120M-5

120±20%

600

10

10

500

50

1.0

1.5

2RM120-5

2RM145L-5

2RM145M-5

145±20%

700

10

10

500

100

1.0

1.5

2RM145-5

2RM150L-5

2RM150M-5

150±20%

700

10

10

500

100

1.0

1.5

2RM150-5

2RM230L-5

2RM230M-5

230±20%

700

10

10

500

100

1.0

1.5

2RM230-5

Electrical Ratings

Items

Test Condition/Description

Requirement

DC Spark-over

Voltage

The voltage is measured with voltage ramp dv/dt=100V/s.

To meet

the specified

value

Maximum Impulse

Spark-over Voltage

The maximum impulse spark-over voltage is measured with voltage

ramp dv/dt=1000V/

μs.

Impulse

Discharge Current

Maximum 8/20

μs surge current that can be applied between two

electrodes, 5 positive and 5 negative surges, with 3 minutes interval

time.

0

10

50

90

100

Time

Impulse Width

8µs

20µs

Crest value

Alternating

Discharge Current

Rated RMS value of AC current at 50Hz, 1 sec. for 10 times with

interval time 3 min.

Insulation

Resistance

The resistance of gas tube shall be measured between two

electrodes.

Capacitance

The capacitance of gas tube shall be measured between two

electrodes.

Test frequency: 1MHz