Sankosha 3YW-Series GDT

3YW-Series
Sankosha Gas Discharge Tubes (GDT) - Surge Arresters

Applications:

Transient Voltage Surge Suppression

Telephone Network Interfaces

Traffic Control Systems

Building Entry/Outside Plant

Features:

UL 479B Recognized (File E140906)

High Surge Current Rating

Non-Radioactive

RoHS Compliant (100% Lead-Free)

ISO 9001 and ISO 14001 Certified

Low Capacitance ≤ 3.0pF⁽¹⁾

Proven Performance

Part Number (Model A)	Part Number (Model YZ)	DC Breakdown Voltage (L1-E)(L2-E)⁽²⁾	Impulse Breakdown Voltage (L1-E)(L2-E)		Insulation Resistance⁽³⁾	DC Holdover Voltage⁽⁴⁾	Impulse Life (L1+L2-E) (8/20μs 1000A)	Impulse Discharge Current (L1+L2-E) (8/20μs)		AC Discharge Current (L1+L2-E) (50Hz)
Part Number (Model A)	Part Number (Model YZ)	100V/s	100V/s	1kV/μs	Insulation Resistance⁽³⁾	DC Holdover Voltage⁽⁴⁾	Impulse Life (L1+L2-E) (8/20μs 1000A)	1 Time	10 Times⁽⁵⁾	9 Cycles 1 Time	1 Second
3YW-230A	3YW-230YZ	230V	≤ 600V	≤ 800V	≥ 10,000 MΩ	≤ 150V	1,000 Times	40 kA	20 kA	400A	10A, 10 Times
3YW-350A	3YW-350YZ	350V	≤ 650V	≤ 850V	≥ 10,000 MΩ	≤ 150V	1,000 Times	40 kA	20 kA	400A	10A, 10 Times
3YW-400A	3YW-400YZ	400V	≤ 700V	≤ 900V	≥ 10,000 MΩ	≤ 150V	1,000 Times	40 kA	20 kA	400A	10A, 10 Times

Notes:

Capacitance measured at 1 MHz for all part numbers is ≤ 3.0 pF
DC Breakdown Voltage Ranges are:
� 20% for 3YW-230 and 3YW-350
� 25% for 3YW-400
Insulation Resistance for all 3YW-Series parts is ≥ 10,000 MΩ measured at DC 100V.
DC 50V for the 3Y06-90
DC 100V for the 3Y06-230 and 3Y06-350
DC Holdover Voltage measured in accordance with the ITU-T K.12 or the IEEE C62.31-1987 Test Circuit
5 times each polarity