TEL185B 查看數據表（PDF） - Protek Devices
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TEL185B Datasheet PDF : 5 Pages
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Only One Name Means ProTek’Tion™
TELEPHONE INTERFACE PROTECTOR
TEL185B - TEL185E
Description
The TEL185B/E is a two-stage transient voltage protector that provides primary and secondary protection against
lightning, inductive switching and electrostatic discharge (ESD) transient threats. The first stage diverts the transient
current through the ground terminal return path and the second stage clamps the voltage to a safe level without inter-
ruption of service.
The TEL185B/E is designed to protect telcom lines from common mode (line-to-ground) transients. There are four (4)
independent lines referenced to the ground terminals.
TEL185B
TEL185E
Features
• Compatible with IEC 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
• Compatible with IEC 61000-4-4 (EFT): 40A - 5/50ns
• Compatible with IEC 61000-4-5 (Surge): 95A, 8/20µs, Level 4 (Line-
Gnd) & 48A, Level 4 (Line-Line)
• Designed for ±185 Volt (Peak) Telephone Lines
• 4 Wire, Line-to-Ground Protection
• Permanent Two-Stage Protection
• Subnanosecond Response Time
• Automatic Reset - Does Not Interrupt Service
• Effective Against Lightning, Inductive Switching and ESD
Mechanical characteristics
• Approximate Weight: 28 grams (TEL185B) & 142 grams (TEL185E)
• Flammability Rating UL 94V-0
applications
• Telcom Equipment Connected to Telcom Lines
• Line Connected Modems and Fax Machines
• Remote Telephone Extensions
• Private Wire/Leased Phone Lines
05050.R4 12/10
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www.protekdevices.com
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