CMD-KEY1-433 Equivalent & Substitute Parts

Part Overview

The CMD-KEY1-433 is a 433MHz RF transmitter keyfob manufactured by TE Connectivity Linx, designed for single-button remote control applications. This component operates using ASK/OOK modulation with a 750 ft. operating distance and supply voltage range of 2.1V to 3.6V. The part is currently classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations.

Substiute Parts

CMD-KEY1-433

TE Connectivity LinxIn Stock: 1118CMD-KEY1-433 Datasheet

Current PartRFQ

OTX-433-HH-KF1-HT

TE Connectivity LinxIn Stock: 1131OTX-433-HH-KF1-HT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The OTX-433-HH-KF1-HT qualifies as a direct substitute for the CMD-KEY1-433 based on the following critical parameters:

• Frequency Match: Both operate at 433MHz
• Modulation Protocol: Both use ASK/OOK modulation
• Function: Both are RF transmitters
• Interface Configuration: Both feature handheld design with single-button operation
• Operating Distance: Both provide 750 ft. operating range
• Supply Voltage Compatibility: Both operate within 2.1V ~ 3.6V range
• Moisture Sensitivity: Both rated MSL 1 (Unlimited)
• Regulatory Compliance: Both REACH Unaffected with matching ECCN classification

Parameter Comparison

Engineering Selection Recommendations

The OTX-433-HH-KF1-HT is the direct equivalent substitute for the CMD-KEY1-433. Selection of this substitute is supported by:

• Product Status Alignment: The OTX-433-HH-KF1-HT maintains active product status, ensuring continued availability and manufacturer support, whereas the CMD-KEY1-433 is obsolete.
• Regulatory Compliance: The substitute maintains identical REACH and ECCN classifications, ensuring no regulatory complications in procurement or deployment.
• RoHS Compliance: The OTX-433-HH-KF1-HT is RoHS Compliant, meeting modern environmental standards.
• Functional Equivalence: All critical electrical and mechanical parameters are identical, including frequency, modulation protocol, supply voltage, and operating distance.
• Packaging Availability: The substitute is available in bulk packaging with confirmed inventory stock.

Frequently Asked Questions (FAQ)

Q: Can the OTX-433-HH-KF1-HT directly replace the CMD-KEY1-433 in existing designs?

A: Yes. Both components share identical frequency (433MHz), modulation protocol (ASK/OOK), supply voltage range (2.1V ~ 3.6V), operating distance (750 ft.), and interface configuration (handheld, single-button). No circuit modifications are required.

Q: What is the primary reason for substitution?

A: The CMD-KEY1-433 is classified as obsolete. The OTX-433-HH-KF1-HT is an active product with confirmed inventory availability and ongoing manufacturer support.

Q: Are there packaging differences between these parts?

A: The CMD-KEY1-433 packaging is not specified in available documentation. The OTX-433-HH-KF1-HT is supplied in bulk packaging. Confirm packaging requirements with your procurement specifications.

Q: Do regulatory certifications differ?

A: Both parts share identical REACH and ECCN classifications (5A991G). The OTX-433-HH-KF1-HT additionally carries RoHS Compliance certification, which the CMD-KEY1-433 does not specify.

Q: Is there any difference in moisture sensitivity?

A: No. Both components are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions.

Q: What is the inventory status for the substitute?

A: The OTX-433-HH-KF1-HT has 1089 pcs of new original stock available.