CMD-KEY3-418 Equivalent & Substitute Parts

Part Overview

The CMD-KEY3-418 is an RF transmitter keyfob operating at 418MHz with ASK/OOK modulation, designed for handheld remote control applications including garage openers and remote keyless entry (RKE) systems. The device features three buttons and supports operating distances up to 750 feet with a supply voltage range of 2.1V to 3.6V.

This part is currently listed as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure availability for production, maintenance, and field replacement applications.

Substiute Parts

CMD-KEY3-418

TE Connectivity LinxIn Stock: 1060CMD-KEY3-418 Datasheet

Current PartRFQ

OTX-418-HH-KF3-HT

TE Connectivity LinxIn Stock: 1072OTX-418-HH-KF3-HT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CMD-KEY3-418 is determined by strict equivalence across the following parameters:

• Frequency: Must be 418MHz
• Modulation/Protocol: Must support ASK and OOK
• Function: Must be a Transmitter
• Interface Configuration: Must be handheld with 3-button control
• Operating Distance: Must maintain 750 ft. capability
• Voltage Supply Range: Must accommodate 2.1V to 3.6V operation
• Regulatory Compliance: Must maintain REACH Unaffected status

The substitute part OTX-418-HH-KF3-HT meets all these criteria and is classified as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The OTX-418-HH-KF3-HT is a direct functional equivalent to the CMD-KEY3-418 across all specified electrical and mechanical parameters. The substitute part carries Active product status, ensuring ongoing availability and support compared to the obsolete CMD-KEY3-418.

The OTX-418-HH-KF3-HT is RoHS Compliant, providing enhanced environmental compliance for new designs and applications subject to RoHS requirements. Both parts maintain identical REACH Unaffected status, ensuring regulatory consistency in international markets.

Selection of the OTX-418-HH-KF3-HT is appropriate for direct replacement in applications currently using the CMD-KEY3-418, with no modifications to circuit design, power supply specifications, or interface requirements.

Frequently Asked Questions (FAQ)

Q: Can the OTX-418-HH-KF3-HT be used as a direct replacement for CMD-KEY3-418?

A: Yes. Both parts operate at 418MHz with ASK/OOK modulation, support 3-button handheld interfaces, maintain 750 ft. operating distance, and require identical 2.1V to 3.6V supply voltage. All electrical and mechanical parameters are equivalent.

Q: What is the primary advantage of switching to OTX-418-HH-KF3-HT?

A: The OTX-418-HH-KF3-HT carries Active product status, ensuring continued availability and manufacturer support. The CMD-KEY3-418 is obsolete and subject to discontinuation. Additionally, the OTX-418-HH-KF3-HT is RoHS Compliant.

Q: Are there packaging differences between these parts?

A: The CMD-KEY3-418 is packaged in standard format, while the OTX-418-HH-KF3-HT is supplied in Bulk packaging. Both are suitable for production and field replacement applications.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both parts maintain REACH Unaffected status and identical MSL ratings of 1 (Unlimited). The OTX-418-HH-KF3-HT additionally meets RoHS Compliance standards.

Q: Are there any design modifications required when switching to the substitute part?

A: No design modifications are required. The OTX-418-HH-KF3-HT is a functional equivalent with identical electrical specifications, voltage requirements, and interface configuration.