One-Axis Magnetic Sensor 
HMC1021D 
 
 
The Honeywell HMC1021D is a one-axis magnetoresistive sensor design in 
an 8-pin ceramic DIP package. The advantages of the HMC1021D include 
high-temperature operation, low magnetic field detection range, and a non-
magnetic package. 
  
Honeywells  Anisotropic  Magneto-Resistive  (AMR)  sensor   technology 
provides the HMC1021D advantages over other magnetic sensors with a 
wheatstone bridge to convert magnetic fields to differential output voltage. 
Capable of sensing magnetic field strength and direction down to 85 micro-
gauss, this sensor offers a compact and highly reliable solution for low field 
magnetic sensing. 
 
Honeywell continues to maintain product excellence and performance by 
introducing innovative solid-state magnetic sensor solutions. These are highly reliable, top performance products that are 
delivered when promised. Honeywells magnetic sensor solutions provide real solutions you can count on.  
 
 
 FEATURES                                   BENEFITS 
 
4
High Temperature Operating Range 
4
From -55癈 to +225癈, Perfect for Downhole Applications 
4
One-Axis DIP Package 
4
Easy to Assemble Component. 
4
On-Chip Set/Reset Straps 
4
Reduces Temperature Effects, High Field Upset Resistance 
4
On-Chip Offset Straps 
4
Counters Hard-Iron Distortion 
4
Hi h Sensitivit  
4
Low-Noise Si nals for Amplification and Detection 
4
Hi h Reliabilit  
4
Compact Solid State Desi n with Repeatable Results. 
4
Available in High Volumes 
4
Easy Transition to Production