Product Information No: PIS 196
Page 1 of 1
Issue No 2
Date : 18 March 2002
Approved by:
WRIST STRAP SET,
Codes: JA63*, JA68* and JA69*
Description:
A wristband and a coiled cord make up a wrist strap. It is the most used device to ground personnel.
Wrist band specification
Resistance to ground R
G
< 10
5
Ω
IEC 61340-5-1
Surface resistance inside
< 10
4
Ω
IEC 61340-5-1
Surface resistance outside
< 10
9
Ω
IEC 61340-5-1
Circumference
adjustable from 120-200mm
Weight
8g
Cord connection
4mm or 10mm male stud
Wash with lukewarm water and mild soap or detergent.
Do not use bleach.
Coiled Cord
Socket end contains a 1 M
Ω
± 5% resistor rated at ¼ W and able to withstand a DC tension of 500V for over
2 minutes. Plug end does not contain a resistor. Cords with a plug end are supplied with a loose croc clip.
Fully extendable length : 2m.
Instructions for use
The wrist strap is designed to prevent electrostatic discharge (ESD) damage to electronic components. A snug fit
is necessary to ensure a good connection. Connect the clip end to an earthed object or the chassis of the
equipment. You are now at the same electrical potential as the equipment. Only now should you remove the
sensitive component from its housing or from its protective packaging.
Colour
Code
Band
Cord
Stud size
on band
in mm
Cord
termination
JA63B
JA63R
JA63Y
Blue
Red
Yellow
Blue
Black
Yellow
4
4
4
4mm plug
4mm plug
4mm plug
JA68B
JA68R
JA68Y
Blue
Red
Yellow
Blue
Black
Yellow
10
10
10
4mm plug
4mm plug
4mm plug
JA69B
JA69R
JA69Y
Blue
Red
Yellow
Blue
Black
Yellow
10
10
10
10mm socket
10mm socket
10mm socket
Caution
Use for ESD control purposes only. Do not shorten the strap or tamper with it in any other way. Do not use in
areas where electric power exceeds 250 Volts. Wear the wrist strap before removing components from their
protective packaging.
For further information, please contact
Vermason Ltd, 1 Avenue One, Letchworth, Hertfordshire SG6 2HB
Tel: +44(0)1462 672005 Fax: +44(0)1462 670440
e-mail :
www.vermason.co.uk
