TISP4070H3 Просмотр технического описания (PDF) - Bourns, Inc
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TISP4070H3 Datasheet PDF : 16 Pages
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TISP4xxxH3LM Overvoltage Protector Series
ITU-T K.20/21 Rating...........................8 kV 10/700, 200 A 5/310
Ion-Implanted Breakdown Region
Precise and Stable Voltage
Low Voltage Overshoot under Surge
Device
‘4070
‘4080
‘4095
‘4115
‘4125
‘4145
‘4165
‘4180
VDRM
V
58
65
75
90
100
120
135
145
V(BO)
V
70
80
95
115
125
145
165
180
‘4220
‘4240
‘4250
‘4260
‘4290
‘4300
‘4350
‘4395
‘4400
160
220
180
240
190
250
200
260
220
290
230
300
275
350
320
395
300
400
Rated for International Surge Wave Shapes
Waveshape
Standard
ITSP
A
2/10 µs
GR-1089-CORE 500
8/20 µs
IEC 61000-4-5
300
10/160 µs
FCC Part 68
250
10/700 µs
ITU-T K.20/21 200
10/560 µs
FCC Part 68
160
10/1000 µs GR-1089-CORE 100
LM Package (Top View)
T(A)
1
NC
2
R(B)
3
NC - No internal connection on pin 2
MD4XAT
LMF Package (LM Package with Formed Leads) (Top View)
T(A)
1
NC
2
3
R(B)
NC - No internal connection on pin 2
MD4XAKB
Device Symbol
T
R
SD4XAA
Terminals T and R correspond to the
alternative line designators of A and B
Low Differential Capacitance ...................................80 pF max.
.............................................. UL Recognized Component
Description
These devices are designed to limit overvoltages on the telephone line. Overvoltages are normally caused by a.c. power system or lightning
flash disturbances which are induced or conducted on to the telephone line. A single device provides 2-point protection and is typically used
for the protection of 2-wire telecommunication equipment (e.g. between the Ring and Tip wires for telephones and modems). Combinations of
devices can be used for multi-point protection (e.g. 3-point protection between Ring, Tip and Ground).
The protector consists of a symmetrical voltage-triggered bidirectional thyristor. Overvoltages are initially clipped by breakdown clamping until
the voltage rises to the breakover level, which causes the device to crowbar into a low-voltage on state. This low-voltage on state causes the
current resulting from the overvoltage to be safely diverted through the device. The high crowbar holding current prevents d.c. latchup as the
diverted current subsides.
How To Order
Device
Package
Carrier
For Standard
Termination Finish
Order As
Bulk Pack
TISP4xxxH3LM
Straight Lead DO-92 (LM)
TISP4xxxH3LM
Tape and Reeled TISP4xxxH3LMR
Formed Lead DO-92 (LMF) Tape and Reeled TISP4xxxH3LMFR
Insert xxx value corresponding to protection voltages of 070, 080, 095, 115 etc.
For Lead Free
Termination Finish
Order As
TISP4xxxH3LM-S
TISP4xxxH3LMR-S
TISP4xxxH3LMFRS
NOVEMBER 1997 - REVISED FEBRUARY 2005
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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