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SIM card tray Component – Computer, Electronic and Optical Product Manufacturing

Component Specifications

Definition

The SIM card tray is a precision-engineered, spring-loaded or friction-fit mechanism designed to house and align the SIM card with the device's internal card reader contacts. It ensures proper electrical connection, protects the SIM from physical damage and environmental contaminants, and facilitates easy insertion and removal without tools in modern designs.

Working Principle

The tray operates on a push-to-eject or pull-out mechanism, often using a spring or detent to hold it in place. When inserted, it aligns the SIM card's gold contacts with the reader pins in the phone, establishing a secure electrical interface for data transmission. The tray's design ensures precise positioning to prevent misalignment, which could cause connectivity failures.

Materials

Typically made from engineering plastics (e.g., PBT, PC, or ABS for durability and dimensional stability) or metals (e.g., stainless steel or aluminum alloys for strength and EMI shielding). May include metal springs or clips for retention.

Technical Parameters

Ejection Force 1-3 N (for easy removal)
Insertion Force 0.5-2 N (to ensure secure seating)
Tray Dimensions Varies by phone model (e.g., ~12mm x 9mm x 1mm for Nano-SIM)
SIM Size Support Nano-SIM, Micro-SIM, eSIM (embedded)
Durability Cycles ≥10,000 insertion/removal cycles
Operating Temperature -20°C to 85°C

Standards

ISO/IEC 7810, ETSI TS 102 221, DIN EN 62684

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for SIM card tray.

Parent Products

This component is used in the following industrial products

Smartphones

A portable electronic device that combines mobile telephony with advanced computing capabilities, internet connectivity, and multimedia functions.

View Product Details

Engineering Analysis

Risks & Mitigation

Misalignment causing connectivity loss
Mechanical failure from repeated use
Damage from improper insertion (e.g., bent tray)
Corrosion in humid environments
EMI interference if unshielded

FMEA Triads

Trigger: Worn or broken spring mechanism
Failure: Tray fails to eject or stay securely in place
Mitigation: Use high-cycle springs, regular durability testing, and design redundancy

Trigger: Material fatigue or cracking
Failure: Tray breaks during insertion/removal
Mitigation: Select durable materials (e.g., reinforced plastics), implement stress analysis in design

Trigger: Poor alignment tolerance
Failure: SIM card misalignment leading to no network signal
Mitigation: Precision molding, strict dimensional controls, and alignment guides in tray design

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.05 mm for critical dimensions (e.g., SIM card slot alignment)

Test Method

Dimensional inspection via CMM, insertion/removal cycle testing per ETSI standards, electrical continuity testing, environmental stress testing (temperature/humidity)

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the purpose of a SIM card tray in a smartphone?

It securely holds the SIM card in place, ensuring proper alignment with the phone's internal reader for reliable cellular network connectivity and easy user access.

Can SIM card trays be interchangeable between different phone models?

No, they are usually model-specific due to variations in size, shape, and mechanism design to fit precise phone chassis dimensions and SIM reader positions.

What materials are commonly used for SIM card trays?

Engineering plastics like PBT or PC for cost-effectiveness and insulation, or metals like stainless steel for enhanced durability and EMI shielding in premium devices.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

SIM card tray