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参数资料
| 型号： | TEL50E |
| 厂商： | PROTEK DEVICES |
| 元件分类： | 保护电路 |
| 英文描述： | PBX LOW VOLTAGE TELEPHONE PROTECTOR |
| 中文描述： | TELECOM, SURGE PROTECTION CIRCUIT, DMA10 |
| 文件页数： | 1/3页 |
| 文件大小： | 114K |
| 代理商： | TEL50E |
TEL50B
&
TEL50E
1
05049.R3 11/03
www.protekdevices.com
PBX LOW VOLTAGE TELEPHONE PROTECTOR
Only One Name Means ProTek’Tion
APPLICATIONS
Telcom Terminal Equipment
Data/Telcom Interfaces
Dedicated Fax & Modem
IEC COMPATIBILITY
(EN61000-4)
61000-4-2 (ESD): Air - 15kV, Contact - 8kV
61000-4-4 (EFT): 40A - 5/50ns
61000-4-5 (Surge): 8/20μs - 95A, Level 4 (Line-Gnd) & 48A, Level 4 (Line-Line)
FEATURES
Designed for ±50 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
Weight: TEL50B - 28 grams & TEL50E - 142 grams (Approximate)
Flammability Rating UL 94V-0
Device Marking:
Case - Logo, Terminal Designations & Part Number
Board - Logo, Date Code & Part Number
DESCRIPTION
The TEL50B/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 interruption of service.
The TEL50B/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.
0
TEL50E
TEL50B
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