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1J50 Foil Transformer Iron Core High Magnetic Permeability 0.05mm Thick

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Ohmalloy Material Co.,Ltd
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-66796338
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Mr Qiu

1J50 Foil Transformer Iron Core High Magnetic Permeability 0.05mm Thick

Brand Name : OHMALLOY
Model Number : 1J50
Certification : ISO, SGS
Place of Origin : China(Shanghai)
MOQ : 10kg
Price : negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 50000kg per month
Delivery Time : 7 days
Packaging Details : 10kg/coil
Chemical : 50% nickel
Grade : 1J50
Thickness : 0.05mm to 0.15mm
Width : 50mm to 100mm
Status : Bright, annealed
Package : 10kg/ plastic spool
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1J50 Foil Transformer Iron Core High Magnetic Permeability 0.05mm Thick

OhmAlloy-1J50 (Soft magnetic alloy)
(Common Name: Ni50, E11a, 50H, Hy-Ra49, PB)

Ohmalloy-1J50 is a nickel–iron magnetic alloy, with about 50% nickel and 48% iron content. It is derived in accordance with permalloy. It has characteristics of high permeability and high saturation magnetic flux density.

Alloy melting in a vacuum medium, cast into ingots, after hot forging blanks made of sheet metal, and then after hot rolling, pickling, surface treatment, cold rolling into finished products.

Ohmalloy-1J85 Iron-nickel alloy( soft magnetic alloy) mostly in an alternating magnetic field used mainly for high magnetic yoke, sensitive relays, low-loss micro-motor, small power transformers, pulse transformer, transistor switches, magnetic amplifier magnetic modulator, sensitive signal input and output transformers, magnetic heading aviation instrumentation magnetic sensor, magnetic susceptibility measurement instrument components, precision meter movable piece and the stator magnetic shielding and magnetic temperature compensation element.

Normal composition%


Typical Mechanical properties

Yield strengthTensile StrengthElongation

Typical Physical properties

Density (g/cm3)8.2
Electrical resistivity at 20℃(Ωmm2/m)0.45
Coefficient of linear expansion(20℃~200℃)X10-6/℃9,2
Saturation magnetostriction coefficient λθ/ 10-625,0
Curie point Tc/ ℃500

The magnetic properties of alloys with high permeability in weak fields

1J50Initial permeabilityMaximum permeabilityCoercivitySaturation magnetic induction intensity

Сold-rolled strip/ sheet.

Thickness, mm

μ0.08/ (mH/m)μm/ (mH/m)Hc/ (A/m)BS/ T
0.05 mm2.53520


0.1~0.19 mm3.843.812
0.2~0.34 mm4.456.310.4
0.35~1.0 mm5.0658.8
1.1~2.5 mm3.844.012
8-100 mm3.125.024

Mode of heat treatment 1J79
Annealing mediaVacuum with a residual pressure not higher than 0.1Pa, hydrogen with a dew point of not higher than minus 40 ℃.
The heating temperature and rate1100~1150℃
Holding time/h3~6
Cooling rateWith 100 ~ 200 ℃/ h cooled to 600 ℃, Rapid cooling to 300 baked

Style of supply

Alloys NameTypeDimension
OhmAlloy-1J85WireD= 0.1~8mm
OhmAlloy-1J85StripW= 8~390mmT= 0.3mm
OhmAlloy-1J85FoilW= 10~100mmT= 0.01~0.1
OhmAlloy-1J85BarDia= 8~100mmL= 50~1000

Product Tags:

power transformer core material


transformer iron core

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