GALAXY ELECTRICAL
TPA---SERIES
BL
BREAKDOWN VOLTAGE: 62 --- 270 V
POWER DISSIPATION: 1.7 W
TELECOMMUNICATION PROTECTION
FEATURES
DO-15
Bidirectional crowbar protection
Voltage range:from 62V to 270V.
Holding current:IH=150mAmin
Repetitive peak pulse
current:IPP=50A,10/1000 s.
DESCRIPTION
The TPA series are designed for protecting sensitive
telecommunication equipment against lightning and
transient voltages induced by AC power lines.
Dimensions in millimeters
SCHEMATIC DIAGRAM
The devices provide bidirectional protection by crowbar
action.Their characteristic response to transien over-
voltages makes them particularly suited to protect volatge
sensitive telecommunication equipment.
Peak surge
Voltage
waveform
Current
waveform
s)
Admissible Necessary
Complies with the
voltage
Ipp
(A)
resistor
following standards:
(V)
(
s)
(
(
)
--
--
--
--
(CCITT)ITU-K20
(CCITT)ITU-K17
VDE0433
1000
1500
2000
2000
10/700
10/700
10/700
1.2/50
5/310
5/310
5/310
1/20
25
38
50
50
VDE0878
IeveI 3
IeveI4
10/700
1.2/50
5/310
8/20
50
100
--
--
IEC-1000-4-5
1500
800
10/160
10/560
10/160
10/560
75
55
12.5
6.5
FCC Part 68,lightning surge type A
FCC Part 68,lightning surge type B
1000
9/720
5/320
25
--
2500
1000
2/10
10/1000
150
50
11.5
10
2/10
10/1000
BELLCORE TR-NWT-001089 First level
BELLCORE TR-NWT-001089 Second
level
5000
1000
2/10
1/20
150
25
11.5
CNET131-24
0.5/700
0.8/310
--
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BLGALAXY ELECTRICAL
1.
Document Number 0286001