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Silicon Labs Surface Hall Effect Sensor 1.71 V 5.5 V, SOT-23 Package, 3-Pin SI7201-B-10-IV
Specifications
| Country of Origin | India |
|---|---|
| Brand | Silicon Labs |
| Height | 1.15mm |
| Length | 2.75mm |
| Model | SI7201-B-10-IV |
| SENSITIVITY | 1.1mT |
| Technology | Analogue |
| Sensor Type | Hall Effect Sensors |
| Width | 1.6mm |
| Mount Type | Surface |
| Series | Si720X |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-23 |
| Minimum Operating Temperature | -40°C |
| Standards/Approvals | RoHS |
| Pin Count | 3 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.71V |
| Supply Current | 400nA |
| Magnetic Type | Latch |
| Maximum Frequency Response | 113kHz |
| Minimum Frequency Response | 5Hz |
Key Features
- Operates over a supply voltage range of 1.71 V to 5.5 V.
- High sensitivity of 1.1 mT for precise magnetic detection.
- Wide operating temperature range from -40°C to 125°C.
- Compact SOT-23 surface mount package with 3 pins.
- Low supply current of 400 nA supports energy-efficient designs.
- AEC-Q100 automotive qualified for high reliability.
- Suitable replacement for reed switches in diverse applications.
- Ideal for position sensing, motor control, and camera stabilization.
Product Description
Silicon Labs SI7201-B-10-IV Surface Hall Effect Sensor is a precision analogue magnetic latch sensor featuring a compact 3-pin SOT-23 surface mount package. It supports a wide supply voltage range from 1.71 V up to 5.5 V and provides high sensitivity of 1.1 mT, making it suitable for diverse industrial and automotive applications.
The sensor is designed to operate reliably over a broad temperature range from -40°C to 125°C, meeting AEC-Q100 automotive standards for enhanced durability and performance. The device boasts a low supply current of just 400 nA, ensuring energy efficiency in battery-powered or low power systems.
Its frequency response ranges from 5 Hz to 113 kHz, supporting fast and accurate magnetic field detection. The compact dimensions (2.75 mm length, 1.6 mm width, 1.15 mm height) enable efficient use in space-constrained designs.
This Hall Effect sensor is intended primarily as a replacement for reed switches in consumer electronics, security systems, automotive controls, and HVAC position sensing. It is also well-suited for BLDC motor control, camera image stabilization, zoom and autofocus mechanisms, fluid level sensing, and general-purpose mechanical position sensing.
The sensor’s omnipolar switch functionality allows detection of magnetic fields of either polarity. SOT-23 surface mount package simplifies PCB assembly and integration. Robust operating temperature range and automotive qualification ensure suitability for harsh environments.
Applications include security door/window position monitors, HVAC knob position detection, fluid level monitoring, motor control, and camera focus/zoom controls. The device allows designers to simplify magnetic sensing requirements with a reliable, low power solution.
Browse Silicon Labs products and similar surface mount Hall Effect sensors in the Electronics & Electricals > Sensors > Hall Effect Sensor category for additional components to complete your design.
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Frequently Asked Questions
The sensor operates over a supply voltage range from 1.71 V to 5.5 V.
It has a high sensitivity of 1.1 mT, allowing for precise magnetic detection.
The operating temperature range is from -40°C to 125°C, making it suitable for various environments.
The supply current is 400 nA, which supports energy-efficient designs.
The dimensions of the SOT-23 package are 2.75 mm in length, 1.6 mm in width, and 1.15 mm in height.
The maximum frequency response is 113 kHz, allowing for fast and accurate magnetic field detection.
It meets the AEC-Q100 automotive standard, ensuring high reliability for automotive applications.
This model provides omnipolar magnetic detection, allowing it to detect magnetic fields of either polarity.
It is suitable for applications such as position sensing, motor control, and camera stabilization.
The sensor is designed for surface mount installation, specifically in a SOT-23 package.
The sensor complies with RoHS standards, indicating it is free from hazardous substances.
This Hall Effect sensor features a 3-pin configuration for easy integration into circuits.
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