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Diametrically magnetized: the poles are on opposite sides of the curved surface, across the diameter.NS
Magnetization directionDiametrically magnetized: the poles are on opposite sides of the curved surface, across the diameter.Arrows show the direction of magnetization inside the magnet, pointing toward north.

N35 diametrically magnetized neodymium sensor disk, 6 mm diameter × 3 mm thick, with Ni-Cu-Ni plating. Listed at 4,264.94 gauss and 2.09 lb pull force. SKU 8996.

Digi-Key Part Number: 469-1025-ND
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⬇ Download CAD STEP / STL / DXF / PDF drawingnominal geometry, pre-filled with this part’s dimensions

N35 Diametrical Sensor Disk Magnet 6 × 3 mm – SKU 8996

Description
Additional information
Technical Specs (PDF)
Magnetization
Downloads
Coatings
BH Curves

SKU 8996 is an N35 neodymium sensor disk magnet measuring 6 mm in diameter × 3 mm thick. It is diametrically magnetized, placing the north and south poles on opposite sides of the curved circumference. This pole orientation suits rotational sensing, encoders, position detection, switching, instrumentation, and compact production assemblies.

Specifications

Magnet Size: 6 mm diameter × 3 mm thick
Tolerances: ±0.004"
Material: Rare Earth NdFeB
Grade: N35
Coating: Ni-Cu-Ni
Br (typical): 12,100 Gauss
BHmax (typical): 35 MGOe
Max Temperature: 80°C / 176°F
Magnetization: Diametrical
Surface Gauss: 4,264.94 Gauss
Pull Force: 2.09 lb
Approx. Weight: 0.0224 oz

Design notes for diametrical sensor magnets

Confirm the circumferential pole orientation, sensor axis, operating air gap, switching threshold, temperature exposure, adhesive selection, and dimensional stack-up in the final assembly. Sintered neodymium magnets are hard and brittle, so avoid impact, snap-together collisions, uneven clamping, and excessive mechanical stress.

The listed 2.09 lb pull force is a comparison value under defined contact conditions, not a guaranteed safe working load. Diametrical magnetization, air gaps, surface roughness, coating, target geometry, and shear loading affect usable force.

Use the magnet pull force calculator for preliminary screening and compare material options in the neodymium magnet grades chart. Browse our magnet catalog or submit the magnet RFQ builder for volume pricing or a custom requirement.

Weight 0.001403 lbs
Dimensions 0.23622 × 0.23622 × 0.11811 in
Magnetization Direction

Diametric

Pull Force

1-5lbs

Shape

Disk / Disc

Diametrically magnetized: the poles are on opposite sides of the curved surface, across the diameter.NS
Magnetization directionDiametrically magnetized: the poles are on opposite sides of the curved surface, across the diameter.Arrows show the direction of magnetization inside the magnet, pointing toward north.

Downloads

8996 – Drawing PDF Format

8996 – Certificate of Compliance

8996 – Neodymium Properties Chart

8996 – Magnet Manufacturing Process

8996 – REACH Report

8996 – ROHS Report

If you can’t find what you want, just send us an inquiry and we will be happy to make it for you!

Coatings

Surface Coating Thickness(microns) Color Resistance
Passivation 1 Silver Grey Temporary Protection
Nickel Ni Ni
Ni Cu Ni
10-20 Bright Silver Excellent Against Humidity
Zinc Zn
Cu Zn
8-20 Bright Blue
Shinny Color
Good Against Salt Spray
Excellent against Salt Spray
Tin Ni Cu Sn 15-20 Silver Superior Against Humidity
Gold Ni Cu Au 10-20 Gold Superior Against Humidity
Copper Ni Cu 10-20 Gold Temporary Protection
Epoxy Epoxy
Ni Cu Epoxy
Zn Epoxy
15-25 Black, Red,
Grey
Excellent Against Humidity
& Salt Spray
Chemical Ni 10-20 Silver grey Excellent Against Humidity

BH Curves

31062 in stock

Quantity Price Per Magnet
1 - 9 $1.00
10 - 49 $0.94
50 - 99 $0.90
100 - 999 $0.85
1000 - 4999 $0.70
5000 - 9999 $0.60
10000 + $0.50
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