TEL185B Ver la hoja de datos (PDF) - Protek Devices
Número de pieza
componentes Descripción
Fabricante
TEL185B Datasheet PDF : 5 Pages
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Only One Name Means ProTek’Tion™
typical device characteristics
TEL185B - TEL185E
MAXIMUM RATINGS @ 25°C Unless Otherwise Specified
PARAMETER
SYMBOL
Peak Operating Line Voltage
VOP
Operating Line Current
IO
Transient Voltage
-
Transient Current - 8/20µs waveform
-
Transient Current - 8/20µs waveform
-
Operating Temperature
TA
Storage Temperature
TSTG
Response Time
-
VALUE
±185
200
20
10
40
-55 to 100
-55 to 100
<1
UNITS
Volts
mA
kV/Wire
kA/Wire
kA/Protector
°C
°C
ns
PART
NUMBER
TEL185B/E
ELECTRICAL CHARACTERISTICS PER LINE @ 25°C Unless Otherwise Specified
MAXIMUM
CLAMPING
VOLTAGE
(8/20µs)
maximum
line
throughput
resistance
MAXIMUM
LEAKAGE
CURRENT
@ ±500A
VC
volts
330
r
ohms
12
@ ±185vop
ID
µA
5
maximum
capacitance
@ 0v, 1mhz
c
pF
800
installation instructions
There are five (5) terminals on both the line and equipment side of the TEL185E - four telcom line terminals and one ground terminal. The ground terminal, as shown
on the label, is connected internally. A single ground connection is sufficient. However, it is recommended that both ground connections be used for a lower imped-
ance path to earth. This connection can be made through the green AC power ground wire or a known earth ground. The ground wire should be #14 stranded wire.
Incoming telcom lines are cut or disconnected from the equipment to insert the TEL185E product. The line side of the terminals are to be connected to outside
telephone or telecommunication lines that carry the transient threats into the equipment to be protected. The equipment side of the terminals are to be connected
to the equipment to be protected. The location of the product should be such that these wires are as short as possible. A #18 or 20 gauge wire can be used for these
connections.
The TEL185B requires an edge connector interface for installation. A standard 15 position edge connector can be used. When mounting or wiring the connectors onto
a printed circuit board, be sure that the correct terminals are soldered. The line side of the board connections are finger contacts 2 thru 5. The boards are conformal
coated for limited protection against moisture.
ProTek’s telcom line protector is designed with a short circuit failure mode to give maximum protection. A fuse, PTC, fusible link, or circuit breaker is recommended for
each signal line on the input (line) side of the protector for those applications that require an open circuit failure mode.
Caution: A low DC resistance ground may not be indicative of a good lightning ground. Lightning contains a broad spectrum of frequencies - up to 1 MHz. A low
impedance path to ground at the transient frequencies is necessary. A ground strap is recommended or a #6 AWG stranded wire. For wire lengths over 1.5 meters,
there may be some excessive line to earth potential under severe thunderstorm conditions. For these applications, an additional protector may be necessary at the
equipment interface.
05050.R4 12/10
Page 2
www.protekdevices.com
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