Features
■ Protects subscribers and equipment from destructive power crosses and lightning surges
■ Reduces frequency of service calls
■ Increases reliability of network operation
■ Reduces cost of network maintenance
U
®
L
■
Listed per UL 497*
1965 Series – 50 Ohm Coaxial Surge Protector
The Bourns 1965 Series Coaxial Surge Protector is intended for use with low power VHF and UHF transmitters, 2-way base station
transceivers, and receive-only systems. All models provide GDT technology. The 1965 arrester is symmetric and bidirectional. Either
end may be used for the input or output. Various power and voltage choices are available - see specifications below for proper
selection. Available with a choice of connectors.
Note: The arrester ground plate is common with the connector body; hence the coax cable shields will be grounded at their
connection to the arrester.
Characteristics
Characteristic Impedance .....................................................................................................................50 Ω
Frequency Characteristics (DC - 1 GHz)
VSWR (Max.)....................................................................................................................................<1.2:1
Transmission/Insertion Loss (Max.)..................................................................................................<0.2 dB
Impulse Discharge
20 kA, 8/20 µs..................................................................................................................................1 time
10 kA, 8/20 µs..................................................................................................................................10 times
500 A, 10/1000 µs............................................................................................................................500 times
Arc Voltage (during discharge) ..............................................................................................................10 V
Operating Temperature..........................................................................................................................-40 ° to +85 °C
Maximum Operating Altitude ................................................................................................................7,000 m
Impulse Sparkover (100 V/µs)
1965-20*
1965-35
1965-50
1965-60
100 V/µs..............................................400 V ...................... 550 V....................... 700 V..................600 V
1 kV/µs................................................500 V ...................... 650 V....................... 800 V..................850 V
10 kV/µs..............................................650 V ...................... 800 V....................... 900 V..................1100 V
*Model 1965-20-Axx is UL Listed per UL 497 for indoor/outdoor use in a listed, compatible NID.
VSWR and Insertion Loss
0
.025
.050
1.00
1.02
1.04
VSWR
.075
.100
.125
.150
.175
.200
1.06
1.08
1.10
1.12
1.14
1.16
Insertion
Loss
(-dB)
INSERTION LOSS
VSWR
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
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