NVE BD020-14E

  • NVE

Product Features

  • GMR nanopower medical magnetic sensor
  • Typical power consumption of 72nW at 2.4V
  • Excellent sensitivity to applied magnetic fields
  • Solid state reliability
  • Precise detection of low magnetic fields
  • Inspected and qualified for implantable medical devices
  • Ultraminiature ULLGA Package


  • Medical
  • Compliant


The NVE BD020-14E medical magnetic sensors are GMR switches specifically designed to run at low voltages from 2.4V with a quiescent current at 0.03μA. The BD020 sensors from NVE are manufactured with NVE’s patented spintronic GMR technology and offers precise detection of low magnetic fields with a typical power consumption of 72nW at 2.4V. Inspected, tested, and qualified for implantable medical devices, they exhibit extremely stable and precise detection of low magnetic fields.

  • GMR Nanopower medical magnetic sensor
  • Magnetic operate point of 13Oe (typ.)
  • Release differeantial 0.5Oe to 8Oe
  • Operating voltage of 3VDD (typ.)
  • Quiescent current of 0.3μA (typ.) at 2.4V
  • Typical power consumption 72nW at 2.4V
  • Solid state reliability
  • Update frequency 30Hz (typ.)
  • Precise detection of low magnetic fields
  • Operating Temperature range from -40°C to +125°C
  • Ultraminiature ULLGA Package

The NVE BD020-14E medical magnetic sensor covers the following applications:

  • Pacemakers
  • ICDs
  • Insulin pumps
  • Neurostimulators

The below table gives the full specifications of the NVE BD020-14E

NVE BD020-14E Specifications

1. 1Oe (Oersted) = 1 Gauss in air = 0.1 mT.

2. Large Magnetic Fields WILL NOT damage NVE GMR Sensors.

3. Valid from −20°C to +125°C; see curve on following page for operate/release differential vs. temperature.


Weight 0.00050 kg
Dimensions 0.45 x 1.10 x 1.10mm
Series / Model

Temperature Range (°C)

Frequency Response

Supply Voltage

NVE BD020 Series Technical Library

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:



NVE BD020 nanopower medical magnetic sensor series datasheet
Current measurement using GMR sensors application note
2-wire sensor interfaces application note
Further application notes for GMR sensors
Package, tape-and-reel and pad layout specifications
NVE RoHS and enviromental compliance certificate
Case Studies
Analysis of a GMR-based Plethysmograph transducer and its utility for real-time Blood pressure measurement
Dual-stage nanopositioning for high speed scanning probe microscopy
Extending the GMR current measurement range with a counteracting magnetic field
A current sensor based on the GMR effect for design and potential smart grid applications
Flexible GMR sensor array for magnetic flux leakage testing of steel track ropes
Wireless wearable controller for upper limb neuroprosthesis
Using GMR sensors with MSP430 scan interface
Safety device uses GMR sensor
Nondestructive inspection for diffusion bonded components
GMR sensors manage batteries

NVE BD020-14E

Calculators and Converters

Work out what you need for your project. Go to calculators and convertors

Contact us if you need your items quicker or need more than in stock.

Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.