SI4356-B1A-FMR
RF RX FSK/GFSK 315-917MHZ 20QFN
Quick Answer: SI4356-B1A-FMR from Silicon Labs is a EZRadioPRO sub-GHz receiver IC / module family.
- Manufacturer
- Silicon Labs
- Product Category
- RF Receivers
- Package
- 20-VFQFN Exposed Pad
- Stock
- 9,897 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Silicon Labs |
|---|---|
| Product Category | RF Receivers |
| Antenna Connector | PCB, Surface Mount |
| Applications | Remote Control, RKE, Security Systems |
| Current - Receiving | 12MA |
| Data Interface | PCB, Surface Mount |
| Data Rate (Max) | 120Kbps |
| Frequency | 315MHz ~ 917MHz |
| Min Qty | 1 |
| Modulation or Protocol | FSK, GFSK, OOK |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Product status | Not For New Designs |
| Sensitivity | -113dBm |
| Series | EZRadio® |
| Supplier Device Package | 20-QFN (3x3) |
| Voltage - Supply | 1.8V ~ 3.6V |
| Datasheet | View Datasheet PDF |
Procurement Snapshot
Key supply and purchasing information for SI4356-B1A-FMR.
Why Source from Antrex Electronics?
Independent distribution support for verified sourcing, inspection and international procurement requirements.
Independent Distribution Support
Shortage, obsolete and hard-to-find component sourcing for production and procurement requirements.
Traceability Review
Label, lot, date code and available supply-chain documentation can be reviewed before order confirmation.
Inspection & Testing
Visual inspection, X-ray and third-party testing support can be arranged when required.
Global Procurement Support
Support for OEM, EMS, distributors and international sourcing requirements across individual parts and BOM projects.
Credentials & Verification Support
Quality controls, traceability review and inspection support for electronic component sourcing.
Detailed Description for SI4356-B1A-FMR
Product Overview
SI4356-B1A-FMR from Silicon Labs is a EZRadioPRO sub-GHz receiver IC / module family. This RF receiver description summarizes the receiver function, operating band, modulation or broadcast standard, interface considerations and sourcing relevance for engineering teams.
The content is written for BOM review and procurement use, focusing on practical receiver parameters rather than internal stock notes.
Key Features
- Manufacturer: Silicon Labs
- Part Number: SI4356-B1A-FMR
- Device Type: EZRadioPRO sub-GHz receiver IC / module family
- Receiver Architecture: EZRadioPRO-class low-current receiver architecture
- Frequency Range: Sub-GHz receiver family with broad ISM coverage; Si446x related radios cover 142 MHz to 1050 MHz
- Modulation: FSK, GFSK and OOK receiver support by family configuration
- Control Interface: SPI command interface for radio configuration
- Packet Handling: Packet, preamble/sync, RSSI and interrupt-supported radio operation
- Package / Module: QFN receiver IC or 434 MHz receiver module variant depending on ordering code
- Package / Case: 20-pin QFN package family, FM ordering code
- Design Notes: Use the exact Silicon Labs part revision to select radio configuration files, packet settings and RF matching values.
Applications
Wireless sensors, remotes, alarm receivers, industrial telemetry and proprietary sub-GHz radio modules.
Low-current MCU-controlled RF receiver designs where an integrated packet radio reduces external analog RF circuitry.
Quality & Sourcing
Antrex Electronics can support sourcing for SI4356-B1A-FMR through available stock checks, BOM consolidation and alternative-lot review. For RF receiver components, packaging condition, date code, MSL handling and original labeling should be verified before shipment.
For project builds, repair support or shortage coverage, Antrex Electronics can coordinate visual inspection, package verification and third-party testing when required. This helps buyers manage risk when sourcing discontinued, legacy or hard-to-find RF receiver parts.
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