Features
Applications
■ Compact size: 5.5 mm diameter,
■ Telecommunications equipment
■ Industrial equipment/electronics
■ Consumer electronics
6 mm length
■ Low capacitance
■ Low leakage
■ RoHS compliant*
■
UL Recognized
2057 Series Light Duty 2-Electrode Miniature Gas Discharge Tube
Characteristics
Test Methods per ITU-T K.12 and IEC 61643-311.
Model No.
Characteristic
2057-07
2057-09
2057-12
2057-13
2057-15
2057-23
DC Sparkover 2ꢀ ꢁ ꢂ 1ꢀꢀ ꢃVs
75 ꢃ
9ꢀ ꢃ
12ꢀ ꢃ
13ꢀ ꢃ
15ꢀ ꢃ
23ꢀ ꢃ
Impulse Sparkover
1ꢀꢀ ꢃVµs
< 7ꢀꢀ ꢃ
< 8ꢀꢀ ꢃ
< 6ꢀꢀ ꢃ
< 7ꢀꢀ ꢃ
< 6ꢀꢀ ꢃ
< 7ꢀꢀ ꢃ
< 6ꢀꢀ ꢃ
< 7ꢀꢀ ꢃ
< 6ꢀꢀ ꢃ
< 7ꢀꢀ ꢃ
< 6ꢀꢀ ꢃ
< 7ꢀꢀ ꢃ
1ꢀꢀꢀ ꢃVµs
Model No.
2057-35
35ꢀ ꢃ
Characteristic
2057-25
25ꢀ ꢃ
2057-30
3ꢀꢀ ꢃ
2057-40
4ꢀꢀ ꢃ
2057-47
47ꢀ ꢃ
DC Sparkover 2ꢀ ꢁ ꢂ 1ꢀꢀ ꢃVs
Impulse Sparkover
1ꢀꢀ ꢃVµs
< 6ꢀꢀ ꢃ
< 7ꢀꢀ ꢃ
< 7ꢀꢀ ꢃ
< 9ꢀꢀ ꢃ
< 7ꢀꢀ ꢃ
< 9ꢀꢀ ꢃ
< 8ꢀꢀ ꢃ
< 9ꢀꢀ ꢃ
1ꢀꢀꢀ ꢃVµs
< 1ꢀꢀꢀ ꢃ
< 11ꢀꢀ ꢃ
NOTE 1
Insulation Resistance (IR)
............................5ꢀ V 1ꢀꢀ V 25ꢀ ꢃdc ................................................. > 1 GΩ
Glow ꢃoltage ...........................................................1ꢀ mA..................................................................... ~ 7ꢀ ꢃ
Arc ꢃoltage..............................................................1 A.......................................................................... ~ 1ꢀ ꢃ
Glow-Arc Transition Current.................................................................................................................... < 1 A
Maximum Capacitance............................................1 MHz..................................................................... < 1 pF
Maximum Impulse Discharge Current.....................1ꢀ,ꢀꢀꢀ A, 8V2ꢀ µs .................................................. 1 operation
5,ꢀꢀꢀ A, 8V2ꢀ µs ..................................................... 1ꢀ operations
Nominal Alternating Discharge Current...................5 A, 5ꢀ Hz, 1 second.............................................. 1 operation
15 A, 9 cycles ........................................................ 1 operation
Impulse Life ............................................................1ꢀꢀ A, 1ꢀV1ꢀꢀꢀ µs .................................................. 3ꢀꢀ operations
NOTE 2
DC Holdover ꢃoltage
................................................................................................................... < 15ꢀ ms
Operating Temperature............................................................................................................................ -4ꢀ to +9ꢀ ºC
Storage Temperature............................................................................................................................... -4ꢀ to +9ꢀ °C
Climatic Category (IEC 6ꢀꢀ68-1)............................................................................................................. 4ꢀ V 9ꢀ V 21
Notes:
• UL Recognized component, UL File E153537.
• At delivery AQL ꢀ.65, level II DIN ISO 2859
Note 1: DC Sparkover ꢃoltage
DC Measuring ꢃoltage
75–9ꢀ ꢃ...................................5ꢀ ꢃ
12ꢀ–4ꢀꢀ ꢃ...............................1ꢀꢀ ꢃ
47ꢀ ꢃ.......................................25ꢀ ꢃ
Note 2: Network Applied
DC Sparkover ꢃoltage
DC Holdover ꢃoltage
75–145 ꢃ.................................52 ꢃ
23ꢀ–25ꢀ ꢃ...............................8ꢀ ꢃ
3ꢀꢀ–47ꢀ ꢃ...............................15ꢀ ꢃ
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.