参数资料
| 型号： | XT350SM |
| 厂商： | Littelfuse Inc |
| 文件页数： | 2/2页 |
| 文件大小： | 0K |
| 描述： | GAS TRIGGER TUBE 350V SMD |
| 标准包装： | 700 |
| 系列： | XT |
| 电压 - DC 击穿（标称值）： | 350V |
| 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) |
Switching Gas Discharge Tubes
Gas Plasma Voltage Dependent Switches
XT Series
Device Ratings and Specifications
Part
Number
XT350
XT600
XT800
VBO(1) (7)
(V)
297 – 403
510 – 690
680 – 920
Max
Ignition
463
750
1000
VT
@ 5A
(V)
15
15
15
IDRM (2)
(A)
1.0
1.0
1.0
IBO (2)
(mA)
5
5
5
CO (4)
(pF)
1.5
1.5
1.5
VBO to VT
(nS)
25
25
25
RS
(M)
>1
>1
>1
7
Electrical Life:
Switching Cycles (5) ………………………………………………………… 150,000
Maximum Ratings:
Max Switching Frequency(6) ………………………………………………………. 400 Hz
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) Measured on recommended test circuit (fig 2.)
(6) Duty Cycle: 1sec on, 10 sec off.
(7) Will retain these limits during life cycle
Definitions:
VBO – Breakover Voltage
VT @ 5A – Nominal Off-state Voltage at 5A
IDRM – Off-state Current
IBO – Nominal Breakover Current
Co - Max Capacitance
VBO to VT – Max switching time from VBO to VT
R1
R1
L
V
C2
XT device
Fig 1. Recommended breakover voltage test circuit
V: open circuit DC voltage =500 (1000V for 600 and 800Vparts)
R1 =51K ?
C1 =220nF
Discharge current =10 mAmps ( approx )
V
C2
XT device
Fig 2. Recommended life test circuit
V: open circuit DC voltage =500 (1000V for 600 and 800V parts)
R1 =10K ?
C1 =680nF
L =0.5 μ H
Discharge current =500Amps ( approx )
w w w. l i t t e l f u s e . c o m
321
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