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UN3E7 Datasheet, PDF (2/4 Pages) UN Semiconducctor INC – 3-Electrode Gas Discharge Tube
3-Electrode Gas Discharge Tube (GDT)
UN3E7 Series
Dimensions (Unit: mm)
Radial Leaded Devices (UN3E7-XXXHM)
Without wire Devices (UN3E7-XXXH)
Electrical Characteristics
Part Number
Marking
DC Spark-over
Voltage
Maximum Impulse
Spark-over Voltage
Minimum
Insulation
Resistance
Maximum
Capacitance
Arc
Voltage
@100V/S @100V/μs @1KV/μs
@1MHz
@1A
UN3E7-75HM
UN3E7-75H
UN3E7-90HM
UN3E7-90H
UN3E7-150HM
UN3E7-150H
UN3E7-230HM
UN3E7-230H
UN3E7-250HM
UN3E7-250H
UN3E7-350HM
UN3E7-350H
UN3E7-470HM
UN3E7-470H
UN3E7-600HM
UN3E7-600H
UN3E7-800HM
UN3E7-800H
UNION
75H
UNION
90H
UNION
150H
UNION
230H
UNION
250H
UNION
350H
UNION
470H
UNION
600H
UNION
800H
75V±20%
90V±20%
150V±20%
230V±20%
250V±20%
350V±20%
470V±20%
600V±20%
800V±20%
500V
500V
500V
600V
600V
800V
900V
1100V
1200V
600V
600V
600V
700V
700V
900V
1000V
1200V
1400V
1 GΩ
(at 25V)
1 GΩ
(at 50V)
1 GΩ
(at 50V)
1 GΩ
(at 100V)
1 GΩ
(at 100V)
1 GΩ
(at 100V)
1 GΩ
(at 100V)
1 GΩ
(at 100V)
1 GΩ
(at 100V)
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
1.5pF
1.5pF
1.5pF
1.5pF
1.5pF
1.5pF
1.5pF
1.5pF
1.5pF
~15V
~15V
~25V
~25V
~25V
~25V
~25V
~25V
~25V
Service Life
Nominal
Impulse
Discharge
Current
@8/20μs 4)
±5 times
Max Impulse
Discharge
Current
@8/20μs 4)
1 time
Nominal
Alternating
Discharge
Current
@50Hz 4)
1 Sec
10 times
Impulse Life
@10/1000μs 4)
300 times
20KA
25KA
20A
200A
20KA
25KA
20A
200A
20KA
25KA
20A
200A
20KA
25KA
20A
200A
20KA
25KA
20A
200A
20KA
25KA
20A
200A
20KA
25KA
20A
200A
20KA
25KA
20A
200A
20KA
25KA
20A
200A
UN Semiconductor Co., Ltd.
Revision October 18, 2013
2/4
www.unsemi.com.tw
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.