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31 |
ELECTRONICS |
Electronic components in general |
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| MS 142 : 1973 | |
| Specification for precautions with respect to possible hazards when dealing with electronic equipment employing similar techniques | |
| Specifies precautions and general rules of behaviour when dealing with electronic equipment either for operational or maintenance purposes. This standard serves to form a basis for preparation of more comprehensive instructions as safety measures against possible hazards. | |
| Price Code : C | |
Resistors |
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| MS IEC 61643-331 : 2004 | |
| Component for low-voltage surge protective devices – Part 331: Specification for metal oxide varistors (MOV) | |
| This part of IEC 61643 is a test specification for metal oxide varistors (MOV). Which are used for applications up to 1 000 V a.c. or 1 5000 V d.c. in power line, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient voltages. | |
| Price RM40 | |
Resistors in general |
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| MS 763 : 1982 | |
| Specification for preferred number series for resistance and capacitors. | |
| Specifies preferred number series in two sections, Section 1 : for resistors and capacitors, Section 2 : for close tolerance resistors and capacitors. | |
| Price Code : A | |
Fixed resistors |
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| MS 764 : Part 1 : 1982 | |
| Specification for fixed resistors : Part 1 : Terms and methods of test. | |
| Applies to fixed resistors for use in electronic equipment. Definitions, methods of test of Type 1 and 2 resistors for use in sectional and specifications specified. | |
| Price Code : B | |
| MS 764 : Part 3 : Type 1 : 1982 | |
| Standard for fixed resistors : Part 3 : Wirewound resistors : Type 1 : Selection of methods of test and general requirements. | |
| Relates to those with rated dessipation not exceeding 5W and rated resistance value between 0.1 ohms and 10M ohms intended for use in telecommunication and electronic equipment with similar techniques. | |
| Price Code : B | |
| MS 767 : 1982 | |
| Standard for marking codes for resistors and capacitors. | |
| Specifies colour code for fixed resistors, letter and digit code for resistance and capacitance value and letter code for tolerance on resistance and capacitance value. | |
| Price Code : A | |
| MS IEC 60062 : 2003 | |
| Marking code for resistors and capacitors. | |
| This standard specifies marking codes for resistors and capacitors. The code specified in Clause 2 gives a colour coding for fixed resistors. It is intended for use with the values of the E6 to E192 series as specified in IEC Publication 63, Preferred Number Series of Resistors and Capacitors. The code specified in Clause 3 gives a system for marking resistance and capacitance values by means of letters and digits. The code specified in Clause 4 gives a system for marking the tolerance on resistance and capacitance values by means of a letter. The code specified in Clause 5 gives systems for marking of date codes on capacitors and resistors by means of letters and digits. | |
| Price Code : C | |
| MS IEC 60115-1 : 2003 | |
| Fixed resistors for use in electronic equipment – Part 1: Generic specification. | |
| This part of MS IEC 60115 is applicable to fixed resistors for use in electronic equipment. It establishes standard terms, inspection procedures and methods of test for use in sectional and detail specifications of electronic components for quality assessment or any other purpose. | |
| Price Code : G | |
Capacitors |
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Capacitors in general |
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| MS 279 : 1983 | |
| Specification for capacitors for use in tubular fluorescent, high-pressure mercury and low-pressure sodium vapour discharge lamp circuits (First revision). | |
| Specifies requirements for both self-heating and non-self-heating capacitors of up to and including 2.5 Kvar. with capacitance of not less than 01.F and having rated voltage not exceeding 1Kv. Covers only impregnated or unimpregnated capacitors having a dielectric of paper, plastic film or combination of both, either metallized or with metal foil electrode. Does not include radio-interference suppress or capacitors. | |
| Price Code : C | |
| MS 763 : 1982 | |
| Specification for preferred number series for resistance and capacitors. | |
| Specifies preferred number series in two sections, Section 1 : for resistors and capacitors, Section 2 : for close tolerance resistors and capacitors. | |
| Price Code : A | |
Fixed capacitors |
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| MS 767 : 1982 | |
| Standard for marking codes for resistors and capacitors. | |
| Specifies colour code for fixed resistors, letter and digit code for resistance and capacitance value and letter code for tolerance on resistance and capacitance value. | |
| Price Code : A | |
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Diodes |
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| MS
IEC 61643-341 : 2004 |
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| Low-voltage surge protective devices – Part 341 : Specification for thyristor surge suppressors (TSS) | |
| This part of IEC 61643 is a test specification standard for thyristor surge suppressor (TSS) components designed to limit overvoltages and divert surge currents by clipping and crowbarring actions. Such components are used in the construction of surge protective devices, particularly as they apply to telecommunications. | |
| Price RM40 | |
Electronic tubes |
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| MS CISPR 22 : 2000 | |
| Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement | |
| Applies to information technology equipment (ITE). Procedures are given for the measurement of the levels of spurious signals generated by the ITE and limits are specified for the frequency range 9 kHz to 400 GHz for both class A and class B equipment. The intention of this standard is to establish uniform requirements for the radio disturbance level of the equipment contained in the scope, to fix limits of disturbance, to describe methods of measurement and to standardize operating conditions and interpretation of results. This standard is identical with CISPR 22 : 1997. | |
| Price Code : F | |
| MS IEC 61643-311 : 2004 | |
| Components for low-voltage surge protective devices – Part 311 : Specification for gas discharge tubes (GDT) | |
| Gas discharge tubes (GDTs) are used for applications up to 1 000 V a.c or 1 500 V d.c. in communication or signalling circuits. They are defined as a gap, or series of gaps, in an enclosed discharge medium other than air. They are designed to protect apparatus or personnel, or both, from high transient voltage. This standard does not specify requirements applicable to complete surge protective devices, nor does it specify total requirements for GDTs employed within electronics devices, where precise coordination between GDT performance and surge protective device withstand capability is highly critical. | |
| Price RM50 | |
| MS IEC 61643-321 : 2004 | |
| Component for low-voltage surge protective devices – Part 321 : Specification for avalanche breakdown diode (ABD) | |
| This part of IEC 61643 is applicable to avalanche breakdown diodes (ABDs) which represent one type surge protective device component (hereinafter referred to as SPDC) used in the design and construction of surge protective devices connected to low-voltage power distribution systems, transmission, and signalling networks. Test specifications in this standard are for single ABDs consisting of two terminals. However, multiple ABDs may be assembled within a single package defined as a diode array. Each diode within the array can be tested to this specification | |
| Price RM40 | |
Electromechanical components for electronic and Telecommunications equipment |
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Switches |
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| MS 590 : 1979 | |
| Specification for low-voltage air-break switches, air break disconnectors, air-break switch connectors and fuse combination units. | |
| Intended for equipment to be used in distribution circuits and motor circuits where rated voltage does not exceed 1000V a.c. or 1200V d.c.. Definitions cover types of devices constructional elements, conditions of operation, characteristics quantities. Also include markings and type tests required. | |
| Price Code : E | |
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