component

TRF37C73IDSGR

Public Made by Adom

by adom

Texas Instruments RF Amplifiers, WSON-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TRF37C73IDSGR

Texas Instruments · RF Amplifiers · WSON-8-EP(2x2)

TRF37C73IDSGR from Texas Instruments, in a WSON-8-EP(2x2). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VCC power_in DC power supply input; nominally 3.3V with operating range 3V to 3.45V.
2 RFIN input RF input internally matched to 50Ω; connect to source through DC-blocking capacitor.
3 NC unconnected No electrical connection; connect pad to GND for board level reliability.
4 NC unconnected No electrical connection; connect pad to GND for board level reliability.
5 PWDN input Power down control with internal pulldown resistor to GND; high logic level disables device.
6 NC unconnected No electrical connection; connect pad to GND for board level reliability.
7 RFOUT output RF output internally matched to 50Ω; connect to load through DC-blocking capacitor and to VCC through RF choke inductor.
8 NC unconnected No electrical connection; connect pad to GND for board level reliability.
9 GND power_in PowerPAD thermal pad for RF and DC ground; must be soldered to PCB ground plane for thermal and mechanical performance.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WSON-8-EP(2x2)
Category Radio Frequency Chip/Antenna
Pins 9

CAD (KiCad official)

  • Symbol: TRF37C73IDSGR
  • Footprint: Package_SON:WSON-8-1EP_2x2mm_P0.5mm_EP0.9x1.6mm
  • 3D model: WSON-8-EP(2x2) (KiCad packages3D, STEP)
  • 3D model files: trf37c73idsgr-etched.step / trf37c73idsgr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); trf37c73idsgr.step / trf37c73idsgr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (19 pp, sha256 9a5d5bc01f7d2ea7, retrieved 2026-10-07, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF