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Microchip Technology MICRF112YMM RF Transmitter Module

The MICRF112 is a high-performance ASK/FSK transmitter IC designed for 300MHz to 450MHz frequencies, ideal for remote keyless entry, tire pressure monitoring, and security systems. Operating between 1.8V and 3.6V, it delivers up to +10dBm output power with a low supply current of 11.5mA at 3V. Its features include a low-power shutdown mode, phase-locked loop, crystal-based frequency setting, and flexible matching. Available in compact MSOP and Ultra-Thin DFN packages, it is suitable for battery-powered, automotive, and wireless applications, providing reliable RF transmission and minimal harmonic emissions.

Authorized Distributors
Source:Newark
Part No:MICRF112YMM
Stock:192
Inv Date:06-11-2026
Price: Unit price: $0.556
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Source:DigiKey
Part No:MICRF112YMM
Stock:35
Inv Date:06-11-2026
Price: Unit price: $0.54
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Part No:MICRF112YMM
Stock:1308
Inv Date:06-12-2026
Price: Unit price: $0.54
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Part No:MICRF112YMM
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.78
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Part No:MICRF112YMM
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.78
Buy/RFQ:
Part No:MICRF112YMM
Stock:400
Inv Date:06-11-2026
Price: Unit price: $0.555
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Microchip Technology MICRF112YMM RF Transmitter Module Specifications:

  • Supply Voltage Range: 1.8V to 3.6V
  • Output Power: Up to +10dBm
  • Supply Current: 11.5mA at 3V, ASK mode; 6.9mA at 1kbps ASK; 11.5mA at +10dBm FSK/CW
  • Frequency Range: 300MHz to 450MHz
  • Data Rate: Up to 50kbps ASK, 10kbps FSK
  • Crystal Frequency: 9.375MHz to 14.0625MHz
  • Operating Temperature: -40°C to +125°C
  • Package Types: 10-pin MSOP, 10-pin Ultra-Thin DFN (2mm x 2mm x 0.4mm)
  • Harmonics: Second harmonic at -53 dBc, Third harmonic at -65 dBc
  • Power Output Adjustment: External resistor (R7) for level control
  • RF Harmonics Attenuation: Ensures minimal spectral emissions
  • Designed for: Remote keyless entry, tire pressure monitoring, garage doors, security alarms, outdoor weather stations, and wireless control systems

Buy the Micrel MICRF112 – Reliable RF Transmitter for Industrial Applications

Enhance your wireless communication projects with the Micrel MICRF112 RF transmitter. Featuring up to +10dBm output power, low current consumption, operating on 1.8V to 3.6V, and supporting frequencies from 300 to 450MHz, it is perfect for remote keyless entry, tire pressure monitoring, and security systems. Compact in size, with high harmonic suppression and a crystal-based frequency setting, this module ensures reliable RF transmission. Easy to integrate through its simple external components and matching network, it offers a robust solution for battery-powered and industrial applications. Buy online today for fast delivery and technical support.

Buy Micrel MICRF112 now and experience unmatched reliability and performance in wireless RF transmission systems.

Frequently Asked Questions

Where can I buy Microchip Technology MICRF112YMM?

You can click on the BUY or RFQ button to purchase MICRF112YMM from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part MICRF112YMM?

You can download the MICRF112YMM datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of MICRF112YMM?

Microchip Technology

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