3-Electrode Gas Discharge Tube (GDT)

2 / 4

@SOCAY Electronics Co., Ltd. 2014

Specifications are subject to change without notice.

Please refer to www.socay.com for current information.

UN3E7 Series

SOCAY Electronics Co., Ltd.

www.socay.com

Radial Leaded Devices (UN3E7-XXXHM)

Without wire Devices (UN3E7-XXXH)

Service Life

DC Spark-over

Voltage

Maximum Impulse

Spark-over Voltage

Maximum

Capacitance

Arc

Voltage

Nominal

Impulse

Discharge

Current

Max Impulse

Discharge

Current

Nominal

Alternating

Discharge

Current

Impulse Life

Part Number

Marking

@100V/S

@100V/

μs

@1KV/

μs

Minimum

Insulation

Resistance

@1MHz

@1A

@8/20

±5 times

@8/20

1 time

@50Hz

4)

1 Sec

10 times

@10/1000

300 times

UN3E7-75HM

UN3E7-75H

UNION

75H

75V

±20%

＜500V

＜600V

1 G

Ω

(at 25V)

＜1.5pF

~15V

20KA

25KA

20A

200A

UN3E7-90HM

UN3E7-90H

UNION

90H

90V

±20%

＜500V

＜600V

1 G

Ω

(at 50V)

＜1.5pF

~15V

20KA

25KA

20A

200A

UN3E7-150HM

UN3E7-150H

UNION

150H

150V

±20%

＜500V

＜600V

1 G

Ω

(at 50V)

＜1.5pF

~25V

20KA

25KA

20A

200A

UN3E7-230HM

UN3E7-230H

UNION

230H

230V

±20%

＜600V

＜700V

1 G

Ω

(at 100V)

＜1.5pF

~25V

20KA

25KA

20A

200A

UN3E7-250HM

UN3E7-250H

UNION

250H

250V

±20%

＜600V

＜700V

1 G

Ω

(at 100V)

＜1.5pF

~25V

20KA

25KA

20A

200A

UN3E7-350HM

UN3E7-350H

UNION

350H

350V

±20%

＜800V

＜900V

1 G

Ω

(at 100V)

＜1.5pF

~25V

20KA

25KA

20A

200A

UN3E7-470HM

UN3E7-470H

UNION

470H

470V

±20%

＜900V

＜1000V

1 G

Ω

(at 100V)

＜1.5pF

~25V

20KA

25KA

20A

200A

UN3E7-600HM

UN3E7-600H

UNION

600H

600V

±20%

＜1100V ＜1200V

1 G

Ω

(at 100V)

＜1.5pF

~25V

20KA

25KA

20A

200A

UN3E7-800HM

UN3E7-800H

UNION

800H

800V

±20%

＜1200V ＜1400V

1 G

Ω

(at 100V)

＜1.5pF

~25V

20KA

25KA

20A

200A

Notes:

1). Terms in accordance with ITU-T K.12 and GB/T 9043-2008

2). At delivery AQL 0.65 level Ⅱ, DIN ISO 2859

3). Tip or ring electrode to center electrode

4). Total current through center electrode, half value through tip respectively ring electrode

Dimensions

(Unit: mm)

Electrical Characteristics