DB ^TM  PROTECTOR SERIES

SURGE PROTECTION FOR
D-SUB COMMUNICATION INTERFACES

RS-232

RS-422

RS-485

DATA

VOICE

AUDIO

SIGNAL

4 - 20 mA

Parallel

INSTRUMENTATION

PROCESS CONTROL

NETWORK INTERFACES 

COMMUNICATION PORT SURGE PROTECTION    

The ZapTech DB series protection devices were specifically designed to protect communication interfaces from damage caused by lightning storms, static discharge, secondary effects of power surges and transient ground potential energies.

As a significant measure to prevent electrical damage to your system, surge suppression also extends the life of sensitive circuits at the component level while improving system reliability. Zap-Tech protectors are best applied as near as physically practical to sensitive electronic equipment, components and system ground references. DB series devices are specifically configured for installation directly onto the communication port on your equipment. The devices provide protection for subminiature D and centronics interfaces including RS422, RS485, RS232, and most other applications using subminiature D interface connectors. 

Versions are available for DB9, DB15, DB25, DB37, DB50, and Centronics Parallel connector interfaces. It is essential that one protector be installed at each end of a communication cable. The DB series must be grounded to earth by ensuring that the connector shell of the attached equipment is properly grounded to electrical safety ground via a standard 3-prong power cord. 

P.O. BOX 17078
LAKE TAHOE, NV, USA 89511
888-727-1951 FX: 775-227-7722
WWW.Zap-Tech.Com

ZAP-TECH

 DB SERIES

Mechanical Specifications 

MAXIMUM REPETITIVE SELF RESET SURGE:
3500Volts,1750 Amps for 100 pulses using 2V  source.
per: EN61000-4-5 Specification.

*MAXIMUM FAIL SAFE SURGE:
4000 Volts 2000 Amps for 100 pulses using 2V source.
per EN61000-4-5 Specification.  Exceeds EN6100-4-5, level 4.

CLAMPING VOLTAGES:
Common Mode - Line to Line
Differential Mode - Line to Ground

*CAPACITANCE:
Line/Line: <40pF
Line/Ground: <40pF

COMPONENT RESPONSE TIME:
Less than 10 Nanoseconds

OPERATING TEMPERTURE:
(-40ºC TO +85ºC)

PART NUMBER SELECTION:

Format:
DB-(connector type 9, 15, 25, 36, 37 etc.)-(clamp voltage)
Example: DB-25-18

OPERATION:  
The Zap-Tech protector will repetitively protect and reset without
degradation up to it's maximum repetitive self-reset surge. If it is 
subjected to more than it's maximum repetitive self-reset surge, the  
device will remain in a clamped mode indicating that it should be removed 
or replaced while keeping  the equipment safe from subsequent surges.

INSTALLATION:
Zap-Tech protectors should be installed in series with the incoming
communication line at the port of the equipment being protected. The
protector's connector shell must be connected to the chassis ground 
of the protected equipment.

IMPORTANT!
It is important that the protector and the chassis of the equipment to be
protected are both properly grounded to a properly earthed electrical 
safety ground via the equipment's 3-prong power cord and/or a ground
wire of 14 AWG or larger. Protectors should be installed at both ends of
communication lines to ensure equipment protection at each end.

© Copyright 2001 Zap-Tech Corporation all rights reserved.

CONTACT FACTORY FOR SPECIFIC DETAILS

PROTECTORS FOR SUBMINIATURE D (DB) (DSUB) INTERFACES:

 DB9 SERIES

D15 SERIES

DB15HD SERIES

DB25 SERIES

DB37 SERIES

DB50 SERIES

PROTECTORS FOR CENTRONIC "CHAMP" STYLE INTERFACES :

14 POSITION

24 POSITION

36 POSITION

50 POS (RJ21)

PROTECTORS FOR RIBBON CABLE CONNECTOR INTERFACES:

PLEASE SPECIFY 

RIBBON TYPE, CONNECTOR PIN QUANTITY, AND GRID CENTERS: 

Example:

0 .050 ribbon, 20 contact, 2 rows, 0.100 centers

Custom variations are available including mixed or 
special voltages, different connectors or pin outs. 
Contact your supplier for details.



P.O. BOX 17078
RENO, NV, USA 89511

888-727-1951 Fx: 775-227-7722 www.zap-tech.com

  *Applies to all units except 62V and 260V Devices.
    All specifications are subject to change without notice.
    Detailed specifications for specific versions available on request.