参数资料
| 型号： | VS450C |
| 厂商： | Littelfuse Inc |
| 文件页数： | 2/2页 |
| 文件大小： | 0K |
| 描述： | GAS TRIGGER TUBE 450V CORE T&R |
| 标准包装： | 1,000 |
| 系列： | VS |
| 电压 - DC 击穿（标称值）： | 450V |
| 脉冲放电电流 (8/20us)： | 1.0kA |
| 极数： | 2 |
| 故障短路： | 无 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 2-SMD圆柱形方端头 |
| 包装： | 带卷 (TR) |
| 电流 - AC 放电（标称值）： | 1A |
Switching Gas Discharge Tubes
Gas Plasma Voltage Dependent Switches
RoHS
VS Series
Device Ratings and Specifications
Part
Number
VS230
VS450
VS600
VBO(1)
(V)
200 –255
350 – 550
400 – 750
VT
15
15
15
IDRM (2)
(A)
1.0
1.0
1.0
IBO (3)
(mA)
50
50
50
Capacitance
2.0
2.0
2.0
VBO to VT
(nS)
25
25
25
7
Electrical Life:
Maximum Increase in VBO(1) …………………………………………………... 25 V
Switching Operations (6) ………………………………………………………… 1,000,000
Maximum Ratings:
Surge On-State Current (5) ……………………………………………………… 1000A
Storage Temperature TSTG ……………………………………………………… -40 - +150?C
Operating Temperature
……………………………………………………… -40 - +150?C
Notes:
(1) Measured on recommended test circuit (fig 1.)
(2) Measured @ 100 Volts DC
(3) Current required for transition to on-state
(4) Measured @ 1 MHz, zero Volt bias
(5) Using 8/20μs double exponential pulse
(6) Measured on recommended test circuit (fig 2.)
Definitions:
VBO – Breakover Voltage
VT – Voltage when device is fully conduction – arc voltage
IDRM – Off-state Current
IBO – Nominal Breakover Current
VBO to VT – Max switching time from VBO to VT
51K ?
15K ?
V
O.C. DC voltage =1000
0.22 μ F
P.V.D.
LT device
V
230Vac
2.2 μ F
32 μ H
VS device
(Discharge current = 10-20mA; Sensitivity of
Fig1. Recommendedbreakovervoltagetestcircuit
peak voltage detect = 10-30mA)
Fig 2. Recommended Life Test Circuit
w w w. l i t t e l f u s e . c o m
319
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