LT800 Ver la hoja de datos (PDF) - Littelfuse, Inc
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Fabricante
LT800 Datasheet PDF : 2 Pages
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Switching Gas Discharge Tubes
Gas Plasma Voltage Dependent Switches
RoHS LT Series
Device Ratings and Specifications
Part
VBO(1)
VS
VT @ 5A IDRM (2)
IBO (3)
CO (4)
VBO to VT
Number
(V)
(V)
(V)
(A)
(mA)
(pF)
(nS)
7
LT230
195 –265
184 – 276
15
1.0
50
2.0
25
LT800
680 – 920
640 - 960
15
1.0
50
2.0
25
Electrical Life:
Switching Cycles (5) ………………………………………………………… 400,000
Peak Discharge Current (5) ………………………………………………………. 400 A
Maximum Ratings:
Max Switching Frequency ………………………………………………………. 100 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.)
Definitions:
VBO – Breakover Voltage
VS – Switching 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
51KΩ
20KΩ
O.C. DC voltage =1000
V
0.22µF
P.V.D.
LT device
V 1000Vdc
0.4µH
330nF
LT device
Fig 1. Recommended breakover voltage test circuit
(Discharge current = 10-20mA, sensitivity of
Peak Voltage Detect = 10-30mA)
Fig 2. Recommended Life Circuit
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