ProjectsPricingInsights

SI7201-B-21-IV AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SI7201-B-21-IV product

SI7201-B-21-IV

Magnetic Sensors - Switches (Solid State)

Hall EffectOmnipolarLow Power

The Si7201-B-21-IV is an omnipolar Hall effect switch designed for low-power position sensing applications.

Best for

  • Door locks
  • HVAC knobs
  • General position sensing

Avoid if

  • High-speed applications requiring >13.3 Hz sampling

Check before use

  • Pull-up resistor value for open-drain output

Key specifications

Bop Max
4.9 mT
Brp Min
2.3 mT
Supply Voltage
1.71 V - 5.5 V
Sample Rate
13.3 Hz

Compliance & Environment

RoHS
RoHS Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsSecurity Systems

Datasheet

7efdd47bcb4154ccfb862a8f58a839ba_si720x-data-sheet.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SI7201-B-21-IV: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a high-sensitivity, omnipolar Hall effect switch from Silicon Labs, optimized for low-power consumption in mechanical position sensing.