PROTEC TEL50B_12

05049
TEL50B - TEL50E
Only One Name Means ProTek’Tion™
PBX LOW VOLTAGE TELEPHONE PROTECTOR
Description
The TEL50B/E is a two-stage transient voltage protector that provides primary and secondary protection against
lightning, inductive switching and electrostatic discharge (ESD) transient threats. The first stage diverts the transient
current through the ground terminal return path and the second stage clamps the voltage to a safe level without interruption of service.
The TEL50B/E is designed to protect telcom lines from common mode (line-to-ground) transients. There are four (4)
independent lines referenced to the ground terminals.
TEL50B
TEL50E
Features
applications
• Compatible with IEC 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
• Compatible with IEC 61000-4-4 (EFT): 40A - 5/50ns
• Compatible with IEC 61000-4-5 (Surge): 95A, 8/20µs, Level 4 (LineGnd) & 48A, Level 4 (Line-Line)
• Designed for ±50 Volt (Peak) Telephone Lines
• 4 Wire, Line-to-Ground Protection
• Permanent Two-Stage Protection
• Subnanosecond Response Time
• Automatic Reset - Does Not Interrupt Service
• Effective Against Lightning, Inductive Switching and ESD
• Telcom Terminal Equipment
• Data/Telcom Interfaces
• Dedicated Fax & Modems
Mechanical characteristics
• Approximate Weight: 28 grams (TEL50B) & 142 grams (TEL50E)
• Flammability Rating UL 94V-0
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05049
TEL50B - TEL50E
Only One Name Means ProTek’Tion™
typical device characteristics
MAXIMUM RATINGS @ 25°C Unless Otherwise Specified
PARAMETER
Peak Operating Line Voltage
SYMBOL
VALUE
UNITS
VOP
±50
Volts
Operating Line Current
IO
200
mA
Transient Voltage
-
10
kV/Wire
Transient Current - 8/20µs waveform
-
10
kA/Wire
Transient Current - 8/20µs waveform
-
40
kA/Protector
Operating Temperature
TA
-55 to 100
°C
TSTG
-55 to 100
°C
-
<1
ns
Storage Temperature
Response Time
ELECTRICAL CHARACTERISTICS PER LINE @ 25°C Unless Otherwise Specified
PART
NUMBER
TEL50B/E
MAXIMUM
LEAKAGE
CURRENT
maximum
capacitance
r
ohms
@ ±50vop
ID
µA
@ 0v, 1mhz
c
pF
12
5
800
MAXIMUM
CLAMPING
VOLTAGE
(8/20µs)
mAXIMUM
line
thrOUGHPUT
resistance
@ ±500A
VC
volts
95.0
installation instructions
There are five (5) terminals on both the line and equipment side of the TEL50E - 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 impedance 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 TEL50E 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 TEL50B 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.
05049.R5 10/12
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05049
TEL50B - TEL50E
Only One Name Means ProTek’Tion™
package information
TEL50B outline dimensions
dim
millimeters
inches
min
max
min
max
A
-
12.7
-
0.50
B
-
76.2
-
3.0
C
-
48.2
-
1.90
D
-
7.6
-
0.30
E
-
17.8
-
0.7
Notes
1. I/O contacts spaced at 0.156” (3.96mm) centers.
A
B
LINE
EQUIPMENT
D
05049.R5 10/12
C
14
4
3
15
2
13
ORIENTATION NOTCH
2
OUTPUT Connected to
Transmit/Receive Circuits
CONTINUITY
INPUT
OUTPUT
5
12
5
12
15
GND
E
Page 3
INPUT Connected to Line
From Outside World
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05049
TEL50B - TEL50E
Only One Name Means ProTek’Tion™
package information
TEL50E outline dimensions
dim
millimeters
inches
min
max
min
max
A
-
95.5
-
3.8
B
82.22
82.98
3.235
3.265
C
-
57.2
-
2.25
D
-
30.2
-
1.125
E
-
15.5
-
0.61
F
-
30.2
-
1.19
A
B
3
3
4
WARNING
4
LINE
GND
EQUIPMENT
GND
2
2
C
D
Terminal Strip
1
1
Adhesive Mylar Label
Terminal Screw
Mounting Hole
for #8 Screw
#6 Screws
F
E
ORDERING INFORMATION
base PART NUMBER
MARKING
TEL50B
Logo, Date Code, Terminal Designations and Part Number
TEL50E
Logo, Date Code, Terminal Designations and Part Number
05049.R5 10/12
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05049
TEL50B - TEL50E
Only One Name Means ProTek’Tion™
company information
COMPANY PROFILE
In business more than 20 years, ProTek Devices™ is a privately-held company located in Tempe, Arizona, that offers a product line of transient voltage suppressors (TVS); avalanche breakdown diodes; steering diode TVS arrays and other surge suppressor component products.
These TVS devices protect electronic systems from the effects of lightning, electrostatic discharge (ESD), nuclear electromagnetic pulses
(NEMP), inductive switching and EMI / RFI. ProTek Devices also offers high performance interface and linear products that include analog
switches; multiplexers; LED drivers; audio control ICs; RF and related high frequency products. The analog devices work in a host of consumer; industrial; automotive and other applications.
CONTACT US
Corporate Headquarters
2929 South Fair Lane
Tempe, Arizona 85282
USA
By Telephone
General: 602-431-8101
Sales: & Marketing: 602-414-5109
Customer Service: 602-414-5114
Product Technical Support: 602-414-5107
By Fax
General: 602-431-2288
By E-mail:
Sales: [email protected]
Customer Service: [email protected]
Technical Support: [email protected]
ProTek Devices (Asia Pacific) Pte. Ltd.
8 Ubi Road 2, #06-19
Zervex
Singapore - 408538
Tel: +65-67488312
Fax: +65-67488313
Web
www.protekdevices.com
COPYRIGHT © ProTek Devices 1998 - This literature is subject to all applicable copyright laws and is not for resale in any manner.
SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein without notice.
DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice and that the final judgement concerning selection and specifications is the buyer’s and that in furnishing engineering
and technical assistance. ProTek assumes no responsibility with respect to the selection or specifications of such products. ProTek makes no warranty, representation or guarantee regarding the suitability of
its products for any particular purpose, nor does ProTek assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability without limitation special,
consequential or incidental damages.
LIFE SUPPORT POLICY: ProTek Devices products are not authorized for use in life support systems without written consent from the factory.
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