IEC 60738-1-3:2008 PDF

Thermistors - Directly heated positive step-function temperature coefficient - Part 1-3: Blank detail specification - Inrush current application - Assessment level EZ

First page of standard IEC 60738-1-3:2008

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Title (English):

IEC 60738-1-3:2008

Thermistors - Directly heated positive step-function temperature coefficient - Part 1-3: Blank detail specification - Inrush current application - Assessment level EZ

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 13
Publication date:: February 13, 2008
Edition:: IEC IS 60738 edition 2 version 1
ICS:: 31.040.30

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Description (English):

IEC 60738-1-3:2008 is a supplementary document to the generic specification and contains requirements for style and layout and minimum content of detail specifications. Detail specifications not complying with these requirements shall not be considered as being in accordance with IEC specifications nor shall they so be described. In the preparation of detail specifications the content of IEC 60738-1:2006,1.4 shall be taken into account. This edition contains changes with respect to the referenced subclauses of the revised Generic Specification IEC 60738-1. This publication is to be read in conjunction with IEC 60738-1:2009.

Technical details

Technical committee: TC 40 - Capacitors and resistors for electronic equipment
SKU: IEC 60738-1-3:2008

Abstract

Overview

IEC 60738-1-3:2008 is an IEC blank detail specification for directly heated positive step‑function PTC thermistors intended for inrush current applications (Assessment level EZ). It is a supplementary document to the generic specification and defines the required style, layout and minimum content for any detail specification addressing PTC inrush-current devices. Detail specifications that do not follow this blank are not considered compliant with IEC requirements. This edition (2.0, 2008) is to be read together with the generic IEC 60738‑1 document.

Key topics and requirements

Scope and identification
- Identification elements to be inserted in a detail specification (organization, reference numbers, device description, outline drawing, assessment level EZ).
Mechanical and material data
- Method(s) of mounting, dimensions (gauging), coating, termination types and suitability for soldering, and flammability/solvent resistance statements.
Electrical ratings & characteristics
- Mandatory parameters and units to be specified: operating temperatures, maximum voltage, zero‑power resistance (series/parallel), isolation/insulation values (if insulated), minimum/maximum peak‑to‑peak inrush current, and residual current.
Marking, packaging and ordering
- Marking requirements per IEC 60738‑1, packaging details (bulk/tape), and minimum ordering information.
Inspection & test schedules
- Defined lot‑by‑lot (Group A/B) and periodic (Group C) inspection tables with sampling, severities and acceptance criteria; requirements for qualification approval and quality conformance.
Referenced test methods
- Normative links to IEC 60738‑1, IEC 60068‑2‑58 (solderability, SMD solder heat), and IEC 60410 (sampling plans).

Applications and who uses this standard

Manufacturers of PTC inrush current limiters: to prepare compliant detail specifications and define product datasheets.
Design and application engineers: to ensure component selection meets required inrush limiting performance and environmental/assembly constraints.
Quality, test and compliance teams: to implement lot inspection, qualification testing and supplier approval in accordance with IEC procedures.
Procurement and standards officers: to reference unambiguous procurement requirements and ensure IEC conformity claims are valid.

Related standards

IEC 60738‑1 (Generic specification - read in conjunction)
IEC 60068‑2‑58 (Environmental testing - solderability / soldering heat)
IEC 60410 (Sampling plans and inspection by attributes)

Keywords: IEC 60738-1-3:2008, thermistors, PTC thermistors, inrush current, blank detail specification, assessment level EZ, quality conformance, test schedule, IEC 60738-1.

Related standards

Mentioned in the description and other IEC standards

Abstract

Overview

Key topics and requirements

Scope and identification
- Identification elements to be inserted in a detail specification (organization, reference numbers, device description, outline drawing, assessment level EZ).
Mechanical and material data
- Method(s) of mounting, dimensions (gauging), coating, termination types and suitability for soldering, and flammability/solvent resistance statements.
Electrical ratings & characteristics
- Mandatory parameters and units to be specified: operating temperatures, maximum voltage, zero‑power resistance (series/parallel), isolation/insulation values (if insulated), minimum/maximum peak‑to‑peak inrush current, and residual current.
Marking, packaging and ordering
- Marking requirements per IEC 60738‑1, packaging details (bulk/tape), and minimum ordering information.
Inspection & test schedules
- Defined lot‑by‑lot (Group A/B) and periodic (Group C) inspection tables with sampling, severities and acceptance criteria; requirements for qualification approval and quality conformance.
Referenced test methods
- Normative links to IEC 60738‑1, IEC 60068‑2‑58 (solderability, SMD solder heat), and IEC 60410 (sampling plans).

Applications and who uses this standard

Manufacturers of PTC inrush current limiters: to prepare compliant detail specifications and define product datasheets.
Design and application engineers: to ensure component selection meets required inrush limiting performance and environmental/assembly constraints.
Quality, test and compliance teams: to implement lot inspection, qualification testing and supplier approval in accordance with IEC procedures.
Procurement and standards officers: to reference unambiguous procurement requirements and ensure IEC conformity claims are valid.

Related standards

IEC 60738‑1 (Generic specification - read in conjunction)
IEC 60068‑2‑58 (Environmental testing - solderability / soldering heat)
IEC 60410 (Sampling plans and inspection by attributes)

Keywords: IEC 60738-1-3:2008, thermistors, PTC thermistors, inrush current, blank detail specification, assessment level EZ, quality conformance, test schedule, IEC 60738-1.

IEC 60738-1-3:2008 PDF

Technical details

Abstract

Overview

Key topics and requirements

Applications and who uses this standard

Related standards

Related standards

Abstract

Overview

Key topics and requirements

Applications and who uses this standard

Related standards

Related standards

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