Tape Wound Bobbin Cores
PWI offers a specialized product line of tape wound bobbin cores with magnetic or non-magnetic characteristics and switching speeds, built custom to your specifications.
About Tape Wound Bobbin Cores
PWI offers a specialized product line of tape wound bobbin cores designed to meet your needs. Our tape wound cores are unique in their core memory due to magnetic or non-magnetic characteristics and switching speeds. We are able to achieve these characteristics during our manufacturing process.
There is also a variety of tape thickness and widths to produce your desired results. Our cores are oven annealed to 1100 degrees C.
PWI builds custom cores to your specifications. We offer cores with a variety of customizable options such as core dimensions, material alloys and alloy thickness.
Specifications
- Diameters0.05" to 1.5"
- Width0.036" to 0.265"
- DimensionsCustom
How it works
Send us your specs
Send a drawing, core requirement, tape specifications, material target, sample, or application details. Our team can review your bobbin core project and recommend next steps.
Helpful to include
- Diameter & width
- Alloy & thickness
- Magnetic characteristics & switching speed
- Quantity & timeline
We manufacture & anneal
Our team builds each core to your specification and oven anneals it to 1100°C to achieve the magnetic or non-magnetic characteristics and switching speeds you need.
Your project, delivered
Completed tape wound bobbin cores ship ready for integration into your transformer, inductor, or magnetometer design.
Common Uses
Low Frequency Transformer & Inductor Designs
Magnetometers
Current-Sensing Transformers
Features
Custom Dimensions
Built to your specifications
Wide Alloy Selection
10+ material options
Magnetic and Non-Magnetic Options
Ferrous & non-ferrous alloys available
Precision Switching Speeds
Square loop cores for switching apps
Material Alloys
- HYMU
- HYMU 80
- HYMU 800
- HYDRA 80
- Permalloy
- Super Permalloy
- Molypermalloy
- 79-4 Nickel
- Ortho
- Oriented 50-50 Nickel-Iron