参数资料
| 型号： | 2057-07-BT1LF |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | SURGE ARRESTER GDT 75V AXIAL |
| 标准包装： | 500 |
| 系列： | 2057 |
| 电压 - DC 击穿（标称值）： | 75V |
| 脉冲放电电流 (8/20us)： | 5.0kA |
| 容差： | ±20% |
| 极数： | 2 |
| 故障短路： | 无 |
| 安装类型： | 通孔 |
| 封装/外壳： | 轴向圆柱形 |
| 包装： | 带卷 (TR) |
| 电流 - AC 放电（标称值）： | 5A |
Features
■ Compact size: 5.5 mm diameter,
Applications
■ Telecommunications equipment
■
■
■
■
6 mm length
Low capacitance
Low leakage
RoHS compliant*
UL Recognized
■ Industrial equipment/electronics
■ Consumer electronics
2057 Series Light Duty 2-Electrode Miniature Gas Discharge Tube
Characteristics
Test Methods per ITU-T K.12 and IEC 61643-311.
Characteristic
2057-07
2057-09
Model No.
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
100 V/μs
1000 V/μs
Characteristic
DC Sparkover ±20 % @ 100 V/s
< 700 V
< 800 V
2057-25
250 V
< 600 V
< 700 V
2057-30
300 V
< 600 V
< 700 V
Model No.
2057-35
350 V
< 600 V
< 700 V
2057-40
400 V
< 600 V
< 700 V
2057-47
470 V
< 600 V
< 700 V
Impulse Sparkover
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
Insulation Resistance (IR) NOTE 1 ............................50 / 100 / 250 Vdc ................................................. > 1 G Ω
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 NOTE 2 ................................................................................................................... < 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
Note 1:
Note 2:
DC Sparkover Voltage DC Measuring Voltage
75–90 V ...................................50 V
120–400 V ...............................100 V
470 V .......................................250 V
Network Applied
DC Sparkover Voltage DC Holdover Voltage
75–145 V .................................52 V
230–250 V ...............................80 V
300–470 V ...............................150 V
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
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