Features
■ Compact size: 5.5 mm diameter,
6 mm length
■ Low capacitance
■ Low leakage
■ RoHS compliant*
■ UL Recognized
Applications
■ Telecommunications equipment
■ Industrial equipment/electronics
■ Consumer electronics
Characteristics
2057 Series Light Duty 2-Electrode Miniature Gas Discharge Tube
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
Test Methods per ITU-T K.12 and IEC 61643-311.
Characteristic
Model No.
2057-07 2057-09 2057-12 2057-13 2057-15 2057-23
DC Sparkover ±20 % @ 100 V/s 75 V 90 V 120 V 130 V 150 V 230 V
Impulse Sparkover
(1)
100 V/µs
1000 V/µs
< 700 V
< 800 V
< 600 V
< 700 V
< 600 V
< 700 V
< 600 V
< 700 V
< 600 V
< 700 V
< 600 V
< 700 V
Insulation Resistance (IR)
(2)
....................................50 / 100 / 250 Vdc ................................................. > 1 GΩ
Glow Voltage ...........................................................10 mA ..................................................................... ~ 70 V
Arc Voltage ..............................................................1 A .......................................................................... ~ 10 V
Glow-Arc Transition Current .................................................................................................................... < 1 A
Maximum Capacitance ............................................1 MHz ..................................................................... < 1 pF
Maximum Impulse Discharge Current .....................10,000 A, 8/20 µs .................................................. 1 operation
5,000 A, 8/20 µs ..................................................... 10 operations
Nominal Alternating Discharge Current ...................5 A, 50 Hz, 1 second .............................................. 1 operation
15 A, 9 cycles ........................................................ 1 operation
Impulse Life ............................................................100 A, 10/1000 µs .................................................. 300 operations
DC Holdover Voltage
(3)
........................................................................................................................... < 150 ms
Operating Temperature ............................................................................................................................ -40 to +90 ºC
Storage Temperature ............................................................................................................................... -40 to +90 °C
Climatic Category (IEC 60068-1)............................................................................................................. 40 / 90 / 21
Notes:
• UL Recognized component, UL File E153537.
• At delivery AQL 0.65, level II DIN ISO 2859
(2)
DC Sparkover Voltage DC Measuring Voltage
75–90 V 50 V
120–400 V 100 V
470 V 250 V
(3)
Network Applied
DC Sparkover Voltage DC Holdover Voltage
75–145 V 52 V
230–250 V 80 V
300–470 V 150 V
*RoHS COMPLIANT
Characteristic
Model No.
2057-25 2057-30 2057-35 2057-40 2057-47
DC Sparkover ±20 % @ 100 V/s 250 V 300 V 350 V 400 V 470 V
Impulse Sparkover
(1)
100 V/µs
1000 V/µs
< 600 V
< 700 V
< 700 V
< 900 V
< 700 V
< 900 V
< 800 V
< 1000 V
< 900 V
< 1100 V
(1)
Impulse Sparkover voltage is defi ned as typical values of distribution.
