Looking for an inexpensive magnetic car smartphone mount? If you're handy, you should be able to make your own with Indigo's thin but strong neodymium 5x1mm disc magnets for a fraction of the price.
Because cell phones have internal magnetic compasses, you may want to avoid attaching magnets directly with adhesive backing. Use rectangular or round sheet metal plates with adhesive instead. Our magnets will firmly grip the plate which can also shield the phone's magnetometer from inadvertent close contact.
High strength N52 grade neodymium magnets aren’t likely to destroy your smartphone but beware of overpriced & underperforming ones as noted in these Google Reviews.
"I purchased N42 Neodymium magnets, they are the real deal. I had previously bought magnets on Amazon that were advertised as N52, they were just another cheap Chinese fake. These folks sell authentic, high quality stuff and get it to you fast. Highly recommended! Read the full review by Tracy Myerson.
Or this, "...especially the dimensional and polarity information. Magnets arrived quickly and were as expected... Read the full Review from Mark Elliott
All Indigo 5x1mm thin neodymium disc magnets are guaranteed N42 grade, best bang for the buck. They are fully documented & guaranteed to hold over 200 grams. Three should be enough to support any size phone while avoiding magnet damage to your mobile device.
With the right choice of metal plate these magnets should work with any size or type of Apple iPhone or Android phones from Google, Nokia, Motorola & Samsung Galaxy.
Field Strength (Gauss) & Pull Force in Pounds & Kilograms at 5 Distances Above Magnet
SKU: 44201-1 Size: 5 × 1mm
Distance (mm):
0
0.1
1
10
100
Gauss
2451.2
2394.3
1671.8
32.9
0.0
Lb
0.49
0.47
0.23
0.00
0.00
Kg
0.22
0.21
0.10
0.00
0.00
Magnet Documentation
Drawing
Compliance
MSDS
ROHS
Graph
Specifications for Fully Sintered/Pressed Neodymium Magnets, N42 Grade
RemanentFlux Density (Br)
13,000G; 1300mT
Coercivity (bHc)
12.0 Oe; 955 A/m
Intrinsic Coercivity (jHc)
17.0 Oe; 1353 A/m
Max.Energy Product (BHMax)
42 MGO; 334 kJ/m3
Curie Temperature (Tc)
310oC
Working Temperature (Tw)
80oC
Temp.Coefficient (αB)r
-0.12%/Co
Tolerances - Sintered Rare Earth Magnets
Dimensions
Tolerances
Size:
Unfinished Surfaces:
Dimensions perpendicular to pressing (die formed)
Inches
mm
Inches
mm
0 to 0.125
0 to 3
+/- 0.006
+/- 0.15
0.126 to 0.625
3 to 16
+/- 0.012
+/- 0.30
0.626 to 0.875
16 to 22
+/- 0.018
+/- 0.45
0.876 and Up
22 and Up
+/- 2.5%
+/- 2.5%
American (Imperial)/Metric Conversion Table
Inch
Decimal
mm
Rounded
1/32"
0.031
0.8
1
3/32"
0.094
2.4
2.5
5/32"
0.156
4.0
4
1/16"
0.063
1.6
1.5
3/16"
0.188
4.8
5
2/10"
0.200
5.1
5
1/8"
0.125
3.2
3.75
1/4"
0.250
6.4
7.5
5/16"
0.313
7.9
7.5
3/8"
0.375
9.5
10
13/32"
0.406
10.3
10
1/2"
0.500
12.7
12.5
9/16"
0.563
14.3
15
5/8"
0.625
15.9
15
11/16"
0.688
17.5
17.5
3/4"
0.750
19.1
20
13/16"
0.813
20.6
20
7/8"
0.875
22.2
22.5
15/16"
0.938
23.8
25
Read more in these Google Reviews (click on name for full review):
Ron Bennett: Fantastic support and product. Beats Amazon price with real customer service...product was of the highest quality and exactly as described.
Peter Maran: Their Neodymium magnets are superb in quality and price; ...tools, magnifiers, tweezers, and so on, all quality made...
Reviews (2)
2019-08-07
Great magnets ! Came quickly as promised !
— Nhu H
2017-11-17
The description of these magnets is accurate and they came well packaged.
— Peter
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