Datasheet > 1740-35

1740-35

更新时间： 2024-11-21 02:53:51

品牌	Logo	应用领域
伯恩斯 - BOURNS		/
页数	文件大小	规格书
2页	172K
描述
Coaxial Surge Protector

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技术参数
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1740-35 技术参数

生命周期：	Active	Reach Compliance Code：	unknown
风险等级：	5.8	Base Number Matches：	1

1740-35 数据手册

Features

■ Protects subscribers and equipment from

destructive power crosses and lightning

surges

■ Compact size fits subscriber network in-

terface devices

■ Reduces cost of network maintenance

■

Listed per 497 C

■ Patent # 5,508,873 (U.S.);

#2,169,604 (Canada)

■ Reduces frequency of service calls

■ Increases reliability of network operation

1740 Series – Coaxial Surge Protector

75 Ohm Powered & Unpowered Coax DC to >1 GHz

The Bourns 1740 Series of Primary Broadband Coaxial Surge Protectors is designed for Network and other high frequency

applications. The 1740 Series provides protection against surges on 75 ohm coax subscriber drops and has a fail-short

mechanism in the event of dangerous power-crosses. The protector will pass bi-directional signals over the bandwidth from

DC to in excess of 1 Ghz. Its cast-metal housing and environmentally sealed design will withstand the toughest Outside Plant

Applications.

Characteristics

Min. Band Width/Frequency Characteristics

............................................

DC to 1.0 GHz

DC to 1.25 GHz

..................................

Connectors, Input & Output

F-Type (female)

Characteristic Impedance ............................................... 75 Ω ......................................................... 75 Ω

Transmission/Insertion Loss (Max.) ................................ 0.15 dB............................................... 0.45 dB

Return Loss (Max.)..................................................... 20 dB.................................................. 13 dB

VSWR (Max.) ............................................................. 1:1.22 ................................................. 1:1.57

Min Fail-Short, Power Cross & Sustained

60 Hz Current Capability

1000 Vrms Open-Circuit Voltage, 25 °C..................... 30 Arms Line to Ground..................... 15 minutes

60 Arms Line to Ground

120 Arms Line to Ground

350 Arms Line to Ground

5 seconds

200 mseconds

Capacitance ............................................................... 1 MHz, 1 Vrms, 0 Vdc ........................ <10 pF

Insulation Resistance ................................................. 100 V.................................................. >10⁸Ω

Operating Temperature .............................................. -40 °C to 65 °C (-40 °F to 149 °F) ...... -40 °C to 65 °C (-40 °F to 149 °F)

Storage Temperature.................................................. -55 °C to 85 °C (-67 °F to 185 °F) ...... -55 °C to 85 °C (-67 °F to 185 °F)

SURGE PROTECTION CHARACTERISTICS

Typical Impulse Service Life, Lightning

IMPULSE RESET

Model

No.

DC Breakdown

@ 100 V/Sec (Volts)

Service Life, AC, 60 Hz

52.5Vdc

@ 260 mA 135 Vdc

@ 200 mA

Breakdown

@ 100 V/µs

(Volts)

100 A

10/1000 µs

(Operations)

5 kA

20 kA

10 A

8/20 µs

1000 Vac 1 sec 1000 Vac 1 sec

(Millisec)

(Operations) (Operations)

(Operations)

1740-15

1740-23

1740-35

150 ±20 %

230 ±20 %

350 ±20 %

350

450

650

>1000

>10

<150

Product Dimensions

MILLIMETERS

(INCHES)

DIMENSIONS:

F TYPE CONNECTOR

3/8-32 THREAD

81.28

(3.20)

12.70

(.50)

55.88

(2.20)

12.70

(.50)

38.10

(1.50)

9.40

(.37)

19.05

(.75)

REV. L

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

中文翻译

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