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IEC

PDF Standards IEC 60539-2 Ed. 2.0 b:2019

Directly heated negative temperature coefficient thermistors – Part 2: Sectional specification – Surface mount negative temperature coefficient thermistors
standard by International Electrotechnical Commission, 07/19/2019

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IEC

PDF Standards IEC 60384-4 Ed. 4.0 b:2007

Fixed capacitors for use in electronic equipment – Part 4: Sectional specification – Aluminium electrolytic capacitors with solid (MnO<sub>2</sub>) and non-solid electrlyte
Corrigenda by International Electrotechnical Commission, 03/12/2007

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IEC

PDF Standards IEC 60364-5-53 Ed. 4.1 b:2020

Low-voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Devices for protection for safety, isolation, switching, control and monitoring CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 12/10/2020

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