1965_09 BOURNS | Alldatasheet

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Technical content

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

Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications 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 specifi cations 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 Frequency Characteristics (DC - 1 GHz) Impulse Discharge Impulse Sparkover (100 V/µs) 1965-20* 1965-35 1965-50 1965-60 *Model 1965-20-Axx is UL Listed per UL 497 for indoor/outdoor use in a listed, compatible NID. VSWR and Insertion Loss .200 .175 .150 .125 .100 .075 .050 .025 100 200 300 400 500 Frequency (MHz) Insertion Loss (-dB) 1.16 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 600 700 800 900 1000 VSWR VSWR INSERTION LOSS UL®

REV. I 08/09 Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications DIMENSIONS: MM (INCHES) 24 6 8 105 102 103 106 107 108 109 1965-20 1965-35 1965-50 1965-60 Frequency (Hz) Power (Watts) How to Order Connector Fittings Part No. Description 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 fi rst 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)] 2, and use this new power value to enter the graph. Product Dimensions 41.0 (1.61) 5.3 (.209) 4.5 (.177) DIA. 57.0 (2.24) 3.3 (0.13) (1.81) Asia-Pacifi c: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com