Mn-Zn Soft Ferrite · 4H MnZn Ferrite

4H45B MnZn Ferrite

Features: High B High Bs High μ Low Pc
Products: Choke for switching power supply DC-DC Converter
Markets: Communication

Series Overview: Core materials for lighting and automobile electronic components and LCD backlight inverters.

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Material Parameters

Parameter Symbol Test Condition Typ. Values Unit Tol.
Initial Permeability μi 3800.00 ±25%
Relative loss factor tanδ/μi 100kHz 0.25mT ×10^-6
Saturation Flux Density Bs
25°C 540.00
100°C 430.00
mT(1000A/m)
Remanence Br mT
Coercivity Hc
25°C 10.00
100°C 15.00
A/m
Power Loss Pc f=25kHz,B=200mT kW/m³
Power Loss Pc f=100kHz,B=200mT kW/m³
Curie Temperature Tc 250.00
Density d 4.90 kg/m³ ×10³
Relative loss factor tanδ/μi iac 0.1MHz ×10^-6
Temperature Factor α μ r 20-80 x10^-6
Temperature Coefficient αF
25-55°C -6~-2
5-25°C 3~6
×10^-6
Hysteresis Material Constant η 10kHz 1.5~3.0mT
—°C
25°C 0.30
×10^-6
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Product Description

High μi / high Bs ferrite materials 4H45B 
A new kind of power ferrite material with highμ,high Bs,high Tc,low loss and high stability is invented. It can be used for filtering in high DC-bias field with high Bs and high permeability. 

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Cross-Reference / Competitor Equivalents

Brand Competitor Model Similarity Notes
DMEGC DMR71 Drop-in Replacement
EPCOS N45 Drop-in Replacement
FERRO XCUBE 3B46 Drop-in Replacement

* Cross-reference is for reference only. Please verify performance parameters before substitution.

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Need a datasheet, sample, or custom specification for 4H45B MnZn Ferrite? Contact our sales team.

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📌 Material Overview
Material Grade 4H45B MnZn Ferrite
Series 4H MnZn Ferrite
Material Class Mn-Zn Soft Ferrite
Key Features High B, High Bs, High μ, Low Pc
Applications Choke for switching power supply, DC-DC Converter
Market / Direction Communication
Cross-Ref Brands DMEGC, EPCOS, FERRO XCUBE
🗂 4H MnZn Ferrite Series