Overview
SIST EN IEC 60115-2:2026/A11:2026 is a European standard published by CENELEC (CLC) that addresses fixed, low-power film resistors with wire leads for through-hole technology (THT) applications in electronic equipment. This document serves as a sectional specification, which outlines the essential requirements, ratings, and quality assessment procedures for these resistors, ensuring their suitability for reliable use in circuit board assembly. The standard consolidates best practices for resistor types defined by geometric shapes, styles, and protective coatings, and harmonizes European regulations with the main IEC 60115-2:2023 international standard, including relevant common modifications and cross-references.
Key Topics
- Scope: Covers fixed low-power film resistors with leads intended for THT assembly on printed circuit boards.
- Types and Styles: Specifies resistor variants categorized by geometric configuration and dimensional characteristics.
- Protection: Details the use of conformal lacquer coatings that safeguard resistive elements.
- Termination: Focuses on resistors with wire terminations designed for through-hole mounting.
- Preferred Ratings and Characteristics: Defines standardized ratings, tolerances, and performance parameters for consistency across the industry.
- Quality Assessment and Testing:
- Selects appropriate procedures from IEC 60115-1 for quality evaluation.
- Includes guidelines for tests such as solderability, resistance to soldering heat, environmental testing (vibration, temperature, etc.), and dimensional measurement.
- Cross-References: Incorporates updated references to previous versions and existing standards, ensuring clarity in technical documentation.
Applications
SIST EN IEC 60115-2:2026/A11:2026 provides crucial value across various sectors utilizing electronic equipment:
- Printed Circuit Board (PCB) Assembly: Ensures THT film resistors are compatible with established assembly processes for consistent electrical performance.
- Consumer Electronics: Supports manufacturers designing reliable resistive components for household and personal devices.
- Industrial Automation and Controls: Facilitates compliance and standardization for resistors used in control circuits, monitoring systems, and instrumentation.
- Medical Devices: Helps guarantee safety and reliability of resistor components used in electronic medical equipment.
- Automotive Electronics: Provides guidelines for components exposed to demanding environmental conditions, supporting durability and quality.
- Professional and Telecommunications Equipment: Helps ensure long-term stability and interoperability of fixed resistors in critical circuitry.
By adhering to the requirements of this standard, manufacturers and designers enhance product quality, simplify procurement, and streamline conformity assessment procedures.
Related Standards
The SIST EN IEC 60115-2:2026/A11:2026 standard references and aligns with several key international and European standards to assure comprehensive quality and compatibility, including:
- IEC 60115-1 / EN 60115-1: Generic specification for fixed resistors in electronic equipment.
- IEC 60062 / EN 60062: Marking codes for resistors and capacitors.
- IEC 60063 / EN 60063: Preferred number series for resistors and capacitors.
- IEC 60068-1 / EN 60068-1: Environmental testing - General guidance.
- IEC 60068-2-6 / EN 60068-2-6: Environmental testing – Vibration (sinusoidal).
- IEC 60068-2-20 / EN IEC 60068-2-20: Solderability and resistance to soldering heat.
- IEC 60294 / EN 60294: Measurement of dimensions for cylindrical components.
- IEC 61193-2 / EN 61193-2: Quality assessment systems and sampling plans.
- IEC 60286-1 / EN 60286-1: Packaging of axial leaded components for automatic handling.
- IEC 60301 / EN 60301: Preferred diameters for component wire termination.
Utilizing these standards alongside SIST EN IEC 60115-2:2026/A11:2026 enables manufacturers, engineers, and quality managers to maintain high product standards and meet international market requirements.