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1965: Description50 Ohm Coaxial Surge Protector; File Size394KB，2 Pages; ManufacturerBourns; Websitehttp://www.bourns.com

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1965 Overview

50 Ohm Coaxial Surge Protector

1965 Preview

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

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 .................................................................................................................................... 50Ω

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)

100 V/µs ...............................................

1 kV/µs .................................................

10 kV/µs ...............................................

1965-20*

400 V ...................

500 V ...................

650 V ...................

1965-35

550 V ...................

650 V ...................

800 V ...................

1965-50

700 V ..................

800 V ..................

900 V ..................

1965-95

1300 V

1450 V

1650 V

*Model 1965-20-Axx is UL Listed per UL 497 for indoor/outdoor use in a listed, compatible NID.

VSWR and Insertion Loss

.025

.050

VSWR

1.00

1.02

1.04

1.06

Insertion

Loss

(-dB)

.075

.100

.125

.150

.175

.200

100

200

300

400

500

600

700

800

900

1000

INSERTION LOSS

1.08

1.10

1.12

1.14

1.16

VSWR

Frequency (MHz)

REV. H

Specifications are subject to change without notice.

1965 Series – 50 Ohm Coaxial Surge Protector

How to Order

How to Order Connector Fittings

Power

(Watts)

10 3

Part No.

1965-xx-A00

1965-xx-A01

1965-xx-A04

1965-xx-A05

1965-xx-A12

1965-95

1965-50

1965-35

1965-20

4 6 8

10 5

10 6

107

108

10 9

Description

...... N(f) and N(f)

...... N(f) and N(m)

...... BNC(f) and BNC(f)

...... BNC(f) and BNC(m)

...... UHF(f) and UHF(f)

10 2

Frequency (Hz)

Note:

Radio frequency and transmit power should be known. The above curves apply to systems with a VSWR of 1.2:1 or

less. Choose the protector whose curve lies first above the power-frequency coordinates of the radio system. For systems

with a VSWR in excess of 1.2:1, or for a more exact determination if desired, multiply the actual radio power by the

expression 0.83[2xVSWR÷(1+VSWR)]

, and use this new power value to enter the graph.

Product Dimensions

5.3

(.209)

41.0

(1.61)

4.5 DIA.

(.177)

3.3

(0.13)

(1.81)

57.0

(2.24)

DIMENSIONS:

(INCHES)

Asia-Pacific:

TEL +886- (0)2 25624117

FAX +886- (0)2 25624116

Europe:

TEL +41-41 7685555

FAX +41-41 7685510

North America:

TEL +1-909 781-5500

FAX +1-909 781-5700

bourns.com

Specifications are subject to change without notice.

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