SIM card tray: Operating Temperature -20°C to 85°C

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

Parameter	Typical range	Notes & selection driver
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

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

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

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.

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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

Typical Suppliers & Equivalents

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

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of SIM card tray

Manufacturer profiles associated with SIM card tray.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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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.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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