EM341-RTR Equivalent & Substitute Parts

Part Overview

The EM341-RTR is a Silicon Labs RF transceiver with integrated microcontroller designed for 802.15.4 Zigbee applications operating at 2.4GHz. This device combines a wireless transceiver and MCU in a 48-VFQFN package, providing a complete wireless solution for low-power mesh networking applications.

The EM341-RTR carries a "Not For New Designs" product status, indicating it has been superseded. Organizations currently using this component or developing new applications requiring equivalent functionality must identify suitable alternatives that maintain compatibility with existing designs or provide enhanced capabilities for new implementations.

Substiute Parts

EM341-RTR

Silicon LabsIn Stock: 1164EM341-RTR Datasheet

Current PartRFQ

EFR32MG13P732F512GM48-DR

Silicon LabsIn Stock: 202659EFR32MG13P732F512GM48-DR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The EFR32MG13P732F512GM48-DR qualifies as a functional substitute for the EM341-RTR based on the following alignment criteria:

Matching Parameters:

• Identical RF standard (802.15.4) and primary protocol support (Zigbee®)
• Same frequency band (2.4GHz operating range)
• Identical package format (48-VFQFN Exposed Pad with 7x7mm footprint)
• Compatible operating temperature range (-40°C ~ 85°C)
• Identical RoHS3 compliance and MSL rating (2, 1 Year)
• Same mounting type (Surface Mount)
• Compatible serial interfaces (I2C, SPI, UART present in both)

Enhanced Capabilities: The EFR32MG13P732F512GM48-DR provides increased memory (512kB Flash vs. 128kB), expanded GPIO (31 vs. 24), and broader protocol support (Bluetooth v5.0, Thread in addition to Zigbee®), making it suitable for applications requiring additional processing capability or multi-protocol functionality.

Parameter Comparison

Engineering Selection Recommendations

The EFR32MG13P732F512GM48-DR is the appropriate substitute for the EM341-RTR based on product lifecycle status and compliance alignment. The EM341-RTR's "Not For New Designs" designation indicates that new product development should transition to the EFR32MG13P732F512GM48-DR, which maintains "Active" status.

Both components share identical package geometry, RoHS3 compliance, and MSL ratings, supporting direct PCB layout compatibility. The EFR32MG13P732F512GM48-DR's expanded memory, GPIO, and multi-protocol capability provide additional design flexibility for applications requiring enhanced processing resources or future protocol expansion.

Existing designs using the EM341-RTR may continue production with current inventory. New designs should adopt the EFR32MG13P732F512GM48-DR to ensure long-term supply availability and access to active manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can the EFR32MG13P732F512GM48-DR replace the EM341-RTR in existing PCB designs?

A: Yes. Both components use the 48-VFQFN Exposed Pad package with identical 7x7mm footprint and pin configuration. PCB layout compatibility is maintained. Firmware modifications may be required to utilize the substitute's enhanced memory and GPIO capabilities.

Q: What are the key differences between these parts?

A: The primary differences are product status (EM341-RTR is obsolete; EFR32MG13P732F512GM48-DR is active), memory capacity (128kB vs. 512kB Flash), GPIO count (24 vs. 31), and protocol support (Zigbee only vs. Zigbee, Bluetooth v5.0, Thread). Both maintain identical package format and operating temperature range.

Q: Are there packaging differences between these parts?

A: The EM341-RTR is supplied in Tape & Reel (TR) packaging. The EFR32MG13P732F512GM48-DR is supplied in Cut Tape (CT) & Digi-Reel® packaging. Both use the same 48-QFN (7x7) component package format suitable for surface mount assembly.

Q: What is the voltage supply compatibility?

A: The EM341-RTR operates at 2.1V ~ 3.6V. The EFR32MG13P732F512GM48-DR operates at 1.8V ~ 3.8V. The substitute supports a wider voltage range, providing greater design flexibility. Existing power supply designs for the EM341-RTR will function with the substitute.

Q: Are both parts RoHS compliant?

A: Yes. Both the EM341-RTR and EFR32MG13P732F512GM48-DR are ROHS3 compliant with identical Moisture Sensitivity Level 2 (1 Year) ratings, meeting equivalent environmental and reliability standards.