CMD-KEY5-433 Equivalent & Substitute Parts

Part Overview

The CMD-KEY5-433 is a 433MHz RF transmitter keyfob manufactured by TE Connectivity Linx, designed for handheld remote control applications. This component operates using ASK/OOK modulation with a 5-button interface and supports general remote control, garage opener, and RKE (Remote Keyless Entry) applications. The part is currently listed as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Substiute Parts

CMD-KEY5-433

TE Connectivity LinxIn Stock: 1077CMD-KEY5-433 Datasheet

Current PartRFQ

OTX-433-HH-KF5-HT

TE Connectivity LinxIn Stock: 1282OTX-433-HH-KF5-HT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the CMD-KEY5-433 are identified based on the following critical parameters that determine functional equivalence:

• Frequency: 433MHz operation (mandatory match)
• Modulation/Protocol: ASK, OOK support (mandatory match)
• Interface Type: Handheld, 5-button configuration (mandatory match)
• Voltage Supply Range: 2.1V ~ 3.6V compatibility (mandatory match)
• Function: RF Transmitter role (mandatory match)

The substitute part OTX-433-HH-KF5-HT meets all critical electrical and mechanical parameters required for direct substitution. This part maintains identical frequency, modulation scheme, button interface, and supply voltage specifications while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The OTX-433-HH-KF5-HT is a direct functional equivalent to the CMD-KEY5-433. Both components are manufactured by TE Connectivity Linx and share identical electrical specifications across all critical parameters: 433MHz frequency, ASK/OOK modulation, 5-button handheld interface, and 2.1V to 3.6V supply voltage range.

The primary distinction is product lifecycle status: CMD-KEY5-433 is obsolete while OTX-433-HH-KF5-HT maintains active production status. Additionally, OTX-433-HH-KF5-HT carries RoHS Compliance certification, providing enhanced environmental and regulatory alignment for new designs and long-term supply chain stability.

Selection of OTX-433-HH-KF5-HT is appropriate for applications requiring 433MHz remote control functionality with 5-button control interfaces, including general remote control, home automation, and RKE systems.

Frequently Asked Questions (FAQ)

Q: Can OTX-433-HH-KF5-HT directly replace CMD-KEY5-433 in existing designs?

A: Yes. Both components operate at 433MHz with ASK/OOK modulation, support identical 5-button handheld interfaces, and require the same 2.1V to 3.6V supply voltage. No circuit modifications are required for substitution.

Q: What is the significance of the product status difference?

A: CMD-KEY5-433 is obsolete and no longer manufactured. OTX-433-HH-KF5-HT is in active production, ensuring long-term availability and supply chain continuity for new designs and replacement applications.

Q: Does the RoHS Compliance status of OTX-433-HH-KF5-HT affect compatibility?

A: No. RoHS Compliance is an environmental and regulatory certification that does not alter electrical or mechanical functionality. It indicates the substitute part meets hazardous substance restrictions, which is beneficial for regulatory compliance in most markets.

Q: Are there packaging differences between these parts?

A: CMD-KEY5-433 packaging is not specified in available data. OTX-433-HH-KF5-HT is supplied in Bulk packaging. Confirm packaging requirements with your procurement or supply chain team.

Q: What applications are supported by the substitute part?

A: OTX-433-HH-KF5-HT supports general remote control, home automation, and RKE applications with 750 ft. operating distance, matching the functional scope of the original CMD-KEY5-433.