Datasheet > 1977-50-A01

1977-50-A01

更新时间： 2024-11-25 12:49:27

品牌	Logo	应用领域
伯恩斯 - BOURNS		光电二极管
页数	文件大小	规格书
2页	222K
描述
High Frequency Coaxial SPD

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1977-50-A01 数据手册

Features

■ Heavy duty design

■ High frequency DC-4 GHz

■ DC Pass to 4ꢀ ꢁ

■ ꢁSWR <1.2

■ Replaceable gas tube

■ Three grounding options

■ RoHS compliant*

■

Listed (File: E360007)

■ Low insertion loss <0.1 dB

■ Bidirectional

■ Water resistant

1977 Series High Frequency Coaxial SPD

General Information

The Bourns Model 1977 Series Coaxial Surge Protective Device (SPD) has been designed to provide heavy duty protection for

antennas, broadband, microwave, GPS, cellular and CATV applications against surges caused by lightning and other electrical

transients.

Electrical Characteristics

Model No.

Characteristic

1977-09-xxx

1977-25-xxx

DC-4 GHz

200-300 V

Gas Discharge Tube

≤0.2 db

1977-50-xxx

Frequency Range

DC Turn-On (Breakdown)

Technology

90-130 V

400-600 V

Insertion Loss

Return Loss

≥20 db

VSWR

<1.2:1

Ipeak (8/20 μs)

Maximum Power

Maximum Current

Impedance

20 kA

25 W

190 W

780 W

10 A

50 ohms

Impedance for F-Type Connector is 75 ohms.

General Characteristics

Characteristic

Model No.

1977-25-xxx

1977-09-xxx

1977-50-xxx

Connection Method

Connectors

Grounding

Series (Bidirectional)

N, F

M6 Screw, Bulkhead, Bracket

4.4 oz.

Weight

Environmental Characteristics

Characteristic

Environmental Rating

Operating Temperature

Operating Altitude

Model No.

1977-25-xxx

1977-09-xxx

1977-50-xxx

IP 65

-50 °C to +85 °C

13,000 ft. (4,000 m)

Up to 5-95 %

Relative Humidity

Non-condensing: Up to 100 %

Asia-Paciﬁc: 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

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June ꢀ, 2011.

Speciﬁcations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁc applications.

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