EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
SI7201-B-81-FVR Real Image
Same model may have multiple batches, images only for reference.

SI7201-B-81-FVR

Part No SI7201-B-81-FVR
Manufacturer Silicon Labs
Catalog Magnetic Sensors - Switches (Solid State)
Description MAGNETIC SWITCH OMNIPOL SOT23-3  /  Digital Switch Omnipolar Switch Push-Pull Hall Effect SOT-23-3
Datasheet
SI7201-B-81-FVR Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category Sensors, Transducers>Magnetic Sensors - Switches (Solid State)
Mfr Silicon Labs
Package Tape & Reel (TR)
Function Omnipolar Switch
Technology Hall Effect
Polarization North Pole, South Pole
Sensing Range ±3.4mT Trip, ±1.7mT Release
Test Condition 0°C ~ 70°C
Voltage - Supply 1.7V ~ 3.6V
Current - Supply (Max) 400nA (Typ)
Output Type Push-Pull
Features Tamper Detection
Temperature Range - Operating 0°C ~ 70°C (TA)
Mounting SMD (SMT)
Supplier Device Package SOT-23-3
Package / Case TO-236-3, SC-59, SOT-23-3
Base Product Number SI7201
Standard Package 3,000
MSL Level 2 (1 Year)
HTSUS 0000.00.0000
Win Source Part Number 1235129-SI7201-B-81-FVR
Ultra Librarian 3D Model Ultra Librarian SI7201-B-81-FVR CAD Model

Description

The SI7201-B-81-FVR is a solid-state magnetic sensor designed for tamper detection.

  • Sensing Range: ±3.4mT trip and ±1.7mT release
  • Output Type: Push-Pull
  • Function: Omnipolar Switch
  • Current Supply: 400nA (Typ)
  • Voltage Supply: 1.7V~3.6V
  • Mounting: SMD (SMT)
  • Package: TO-236-3, SC-59, SOT-23-3

You May Also Be Interested in

NMH1000T1 NXP / Nexperia – Price, Stock & Datasheet
NMH1000T1
NXP / Nexperia
IC MAG SWITCH SENSOR
Lowest to $1.1642
SL1603TH ShenZhen SlkorMicro Semicon Co. Ltd – Price, Stock & Datasheet
SL1603TH
ShenZhen SlkorMicro Semicon Co. Ltd
SOT-23
Lowest to $0.0671
SK1816G-AE3-R UTC – Price, Stock & Datasheet
SK1816G-AE3-R
UTC
SOT-23 Switches (Solid State) RoHS
Lowest to $0.0728
ATS277H-PG-B-B Diodes Incorporated
ATS277H-PG-B-B
Diodes Incorporated
MAGNETIC SWITCH LATCH 4SIP / Digital Switch Latch Open Collector Hall Effect 4-SIP
Lowest to $0.1964
HAL1502UA-A TDK-Micronas GmbH
HAL1502UA-A
Micronas GmbH
MAGNETIC SWITCH LATCH TO92UA
Need more? Email Us
A3245ELHLT Allegro MicroSystems, LLC – Price, Stock & Datasheet
A3245ELHLT
Allegro MicroSystems, LLC
MAGNETIC SWITCH OMNIPOLAR SOT23W
Lowest to $0.8732
Picture of TLE49462KHTMA1
TLE49462KHTMA1
Infineon Technologies
MAG SWITCH IC HALL EFF SC59-3
Need more? Email Us
U18 Semiment Technology Co., Ltd. – Price, Stock & Datasheet
U18
Semiment Technology Co., Ltd.
SIP-3 Switches (Solid State) RoHS
Lowest to $0.4399
AH3564Q-SA-7 Diodes Incorporated – Price, Stock & Datasheet
AH3564Q-SA-7
Diodes Incorporated
MAG SWITCH OMNIPOLAR SOT23 T&R
Lowest to $0.3942

Top Sellers

FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.1775
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.5143
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $4.1579
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $3.9204
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0357
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.2271
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $41.3948
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.4125
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1782
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess