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Número de pieza | THBT20011D | |
Descripción | TRIPOLAR OVERVOLTAGE PROTECTION FOR TELECOM LINE | |
Fabricantes | STMicroelectronics | |
Logotipo | ||
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Application Specific Discretes
A.S.D.™
THBTxxx11D
TRIPOLAR OVERVOLTAGE
PROTECTION FOR TELECOM LINE
FEATURES
BIDIRECTIONAL CROWBAR PROTECTION
BETWEEN TIP AND GND, RING AND GND
AND BETWEEN TIP AND RING.
PEAK PULSE CURRENT :
IPP = 30A for 10/1000µs surge.
HOLDING CURRENT :
IH = 150mA.
AVAILABLEIN SO8 PACKAGES.
LOW DYNAMIC BREAKOVER VOLTAGE.
DESCRIPTION
Dedicated to telecommunication equipment
protection, these devices provide a triple
bidirectional protection function.
They ensure the same protection capability with
the same breakdown voltage both in longitudinal
mode and transversal mode.
A particular attention has been given to the internal
wire bonding. The ”4-point” configuration ensures
a reliable protection, eliminating overvoltages
introduced by the parasitic inductances of the
wiring (Ldi/dt), especially for very fast transient
overvoltages.
Dynamic characteristics have been defined for
several types of surges, in order to meet the SLIC
maximum ratings.
COMPLIESWITHTHE FOLLOWINGSTANDARDS :
CCITT K20 :
10/700µs
5/310µs
VDE 0433 :
10/700µs
5/310µs
VDE 0878 :
1.2/50µs
1/20µs
CNET :
0.5/700µs
0.2/310µs
FCC part 68 :
2/10µs
2/10µs
BELLCORE
TR-NWT-001089 :
2/10µs
2/10µs
(*) With series resistors or PTC.
1.5kV
20A (*)
2kV
20A (*)
1.5kV
20A (*)
1.5kV
20A (*)
2.5kV
40A (*)
2.5kV
40A (*)
SO8
SCHEMATIC DIAGRAM
TIP 1
GND 2
GND 3
RING 4
8 TIP
7 GND
6 GND
5 RING
TM: ASD is trademarks of SGS-THOMSON Microelectronics.
September 1998 - Ed: 5A
1/9
1 page TEST CIRCUIT 3 for IPP and VBO parameters :
(VP is defined in no load condition)
L
R2
VP C1
R1
THBTxxx11D
R4
R3
C2
TIP
RING
G ND
Pulse (µs) Vp C1 C2 L R1 R2 R3 R4 IPP Rp
tr tp (V) (µF) (nF) (µH) (Ω) (Ω) (Ω) (Ω) (A) (Ω)
10 700 1500 20 200
0
50 15 25 25 30 10
1.2 50 1500 1 33 0 76 13 25 25 30 10
2
10 2500 10
0
1.1 1.3
0
3
3 38 62
5/9
5 Page |
Páginas | Total 9 Páginas | |
PDF Descargar | [ Datasheet THBT20011D.PDF ] |
Número de pieza | Descripción | Fabricantes |
THBT20011D | TRIPOLAR OVERVOLTAGE PROTECTION FOR TELECOM LINE | STMicroelectronics |
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