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Somerford Laboratories

TYPICAL PRODUCT TESTS

COMPONENTS AND DEVICES TESTED

TESTS UNDERTAKEN

SPECIFICATION
APPLICABLE

CAPACITOR FIXED
Polycarbonate Dielectric
Polyethylene terephthalate Dielectric
Polypropylene Dielectric
Ceramic Dielectric
Mica Dielectric
Polystyrene Dielectric
Tantalum Dielectric
Aluminum Dielectric

Qualification and Capability Approval conformance tests.

Approval maintenance testing

Type Approval tests

Product testing and evaluation

Safety testing

BS9070: 1969 (1982) Sects: 1 to 10.
BS EN130000:1994



 

 

RESISTORS FIXED
Wirewound & Non-wirewound
Networks
Varistors
Potentiometers

BS EN140000:1995
BS CECC41000:1977 (1982)
BS CECC42000:1978 (1990)
BS CECC60000:1992
BS EN 160000:1993

FILTERS
Radio interference supression filters

BS9120: 1988 {1993)
BS9125: 1988 (1993)

PRINTED CIRCUIT BOARDS
Single and Double-sided
PTH
Multilayer
Flexible

BS9760: 1977 (1988) (Osol)
BS EN123000: 1992

CONNECTORS
Circular connectors
PCB connectors
Rectangular connectors

BS CECC75100: 1994 (Obsol)
BS EN175100: 1993
BS EN175200: 1992
BS EN175300: 1992
BS9520: 1983 (Obsol)
BS9521: 1983 (1994)

TRANSFORMERS
Custom-built transformers

BS9720: 1989 (Obsol)

INDUCTORS FIXED
Custom-built
Fixed RF inductors

BS9720: 1989 (Obsol)
BS9750: 1990 (Obsol)

SWITCHES
Electro-mechanical
Thermal

BS EN196000:1993

RELAYS
All or nothing relays

BS9150: 1983 (Obsol)
BS CECC16000: 1980 (1996)

SEMICONDUCTORS
Silicon Diodes and Diode Arrays
Silicon Rectifier Diodes
Silicon Transistors
Opto-couplers

BS CECC5000: 1987 (1992)

HYBRIDS
Thick film integrated circuits
Thin film integrated circuits

BS CECC63000: 1990

MODULAR ELECTRONIC UNITS

 

BS EN160000: 1993

Last Updated: 04/11/09
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