component
WS490H
Public Made by Adomby adom
wisesun RF Transceiver ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownWS490H
wisesun · RF Transceiver ICs · SOP-8
WS490H from wisesun, in a SOP-8. 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 | GND | power_in | Ground pin for the receiver (table 1: 接地管脚). |
| 2 | ANT | input | RF signal input pin for the 315/433 MHz ASK/OOK antenna, fed through the external matching network shown in the typical circuits. |
| 3 | VDD | power_in | Supply pin, rated DC 2.0 V to 5.5 V in operating conditions, with an absolute maximum of -0.3 V to 5.5 V. |
| 4 | NC | unconnected | No internal connection; leave floating (悬空). |
| 5 | DO | output | Demodulated digital data output; it is driven low when the chip is in shutdown (SHUT high) and carries the demodulated signal in normal operation. |
| 6 | SHUT | input | Operating-mode select: tie to VDD for shutdown mode (about 0.1 µA, DO low) and to GND for normal receive mode. |
| 7 | NC | unconnected | No internal connection; leave floating (悬空). |
| 8 | RO | input | External crystal connection for the internal Colpitts reference oscillator, with crystal frequency set by FOSC = FRF/(32+1.1/12), e.g. 13.52127 MHz for 433.92 MHz. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | wisesun |
| Package | SOP-8 |
| Category | RF And Wireless |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
WS490H - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
ws490h-etched.step/ws490h-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ws490h.step/ws490h.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: wisesun datasheet (7 pp, sha256
89e19693e2df41c3, retrieved 2026-10-09, 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, primaryclaude-haiku-5-5(text), consensusclaude-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).