RXM-315-LC-S Equivalent & Substitute Parts

Part Overview

The RXM-315-LC-S is an RF receiver module manufactured by TE Connectivity Linx, designed for ASK/OOK modulation at 315MHz with -95dBm sensitivity and 5kbps maximum data rate. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations. The LC series module features PCB surface mount integration with low current consumption of 6mA during reception.

Key Parameters

Parameter	RXM-315-LC-S
Frequency	315MHz
Sensitivity	-95dBm
Data Rate (Max)	5kbps
Modulation/Protocol	ASK, OOK
Current - Receiving	6mA
Voltage - Supply	2.7V ~ 4.2V
Operating Temperature	-30°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SMD Module
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the RXM-315-LC-S is determined by the following critical parameters:

Frequency Match: 315MHz operation is mandatory for system compatibility
Modulation Support: ASK/OOK protocol support is required
Mounting Type: Surface mount configuration must be maintained
Package Form Factor: 16-SMD Module footprint compatibility
Voltage Supply Range: Operating voltage window must accommodate system design
Operating Temperature Range: Thermal operating limits must meet application requirements

The RXM-315-LR qualifies as a direct substitute based on matching frequency, modulation protocol, mounting type, and package form factor. Enhanced performance characteristics (improved sensitivity, higher data rate, lower current consumption) and active product status make this substitute suitable for replacement applications.

Parameter Comparison

Parameter	RXM-315-LC-S	RXM-315-LR	Compatibility Notes
Frequency	315MHz	315MHz	Matched
Sensitivity	-95dBm	-112dBm	Substitute offers improved sensitivity
Data Rate (Max)	5kbps	10kbps	Substitute supports higher data rate
Modulation/Protocol	ASK, OOK	ASK, OOK	Matched
Current - Receiving	6mA	5.2mA	Substitute offers lower power consumption
Voltage - Supply	2.7V ~ 4.2V	2.1V ~ 3.6V	Substitute range is narrower; verify system voltage compatibility
Operating Temperature	-30°C ~ 70°C	-40°C ~ 70°C	Substitute offers extended low-temperature range
Mounting Type	Surface Mount	Surface Mount	Matched
Package / Case	16-SMD Module	16-SMD Module	Matched
Data Interface	PCB, Surface Mount	Serial	Interface type differs; circuit integration impact required
Antenna Connector	PCB, Surface Mount	Castellation	Connector type differs; PCB layout modification required
Product Status	Obsolete	Active	Substitute is actively manufactured
RoHS Status	RoHS non-compliant	RoHS Compliant	Substitute meets RoHS requirements

Engineering Selection Recommendations

The RXM-315-LR is the designated substitute for the obsolete RXM-315-LC-S based on matching core RF parameters (frequency, modulation, data rate capability) and identical package form factor. The substitute is actively manufactured and carries RoHS compliance certification, addressing regulatory requirements that the original part does not meet.

Design integration requires evaluation of two specific differences:

Data Interface Change: The RXM-315-LC-S uses PCB surface mount interface while the RXM-315-LR uses serial interface. Circuit design modifications are necessary to accommodate this interface change.

Antenna Connector Change: The RXM-315-LC-S features PCB surface mount antenna connection while the RXM-315-LR uses castellation connection. PCB layout modifications are required for antenna integration.

Voltage Supply Range: The RXM-315-LR supply voltage range (2.1V ~ 3.6V) is narrower than the original part (2.7V ~ 4.2V). System voltage must fall within the substitute's operating window.

Frequently Asked Questions (FAQ)

Q: Can the RXM-315-LR directly replace the RXM-315-LC-S without PCB modifications?

A: No. While the package footprint is identical, the data interface type and antenna connector type differ between the two modules. PCB layout and circuit design modifications are required.

Q: What is the primary reason for substituting the RXM-315-LC-S?

A: The RXM-315-LC-S is classified as obsolete. The RXM-315-LR is the active equivalent that maintains 315MHz frequency operation and ASK/OOK modulation support while offering improved performance characteristics and RoHS compliance.

Q: Are the RF performance characteristics compatible?

A: Yes. Both modules operate at 315MHz with ASK/OOK modulation. The RXM-315-LR provides enhanced sensitivity (-112dBm vs -95dBm) and higher maximum data rate (10kbps vs 5kbps), making it suitable for applications requiring the original part's RF specifications.

Q: What is the impact of the voltage supply range difference?

A: The RXM-315-LR operates within 2.1V ~ 3.6V while the original operates within 2.7V ~ 4.2V. System supply voltage must be verified to fall within the substitute's range. If the original system operates above 3.6V, the substitute is not suitable without voltage regulation modifications.

Q: Does the data interface change affect system compatibility?

A: Yes. The original part uses PCB surface mount interface while the substitute uses serial interface. The host system circuit must be redesigned to accommodate serial communication protocol instead of direct PCB connection.

Q: What is the antenna connector difference and its impact?

A: The original part uses PCB surface mount antenna connection while the substitute uses castellation connection. Antenna integration method and PCB layout must be modified accordingly.

Q: Is the RXM-315-LR the only substitute available?

A: Based on the provided substitute list, the RXM-315-LR is the identified equivalent for the RXM-315-LC-S.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message