Ring high frequency power transformer magnetic core

Introduction

Characteristics

1. High saturation magnetic induction intensity --effectively reducing transformer volume; 2. High magnetic conductivity and low coercivity --improve transformer efficiency, reduce excitation power and iron loss; 3. Low loss -- reduce temperature rise; 4. High temperature stability--can work in the range of-55℃-130℃ for a long time.

Application

FEATURE 1

X the light source X

FEATURE 2

Power supply for inverter welding machine

FEATURE 3

Communication power supply

FEATURE 4

UPS power supply

FEATURE 5

UPS power supply

FEATURE 6

Power supply for electrolytic plating

Specification

Fe-based nanocrystalline alloys are compared with ferrite fundamental magnetic energy
Size of magnetic core

Performance index	Saturated magnetic induction density (Bs)(T)	Residual magnetic induction density (Br)(20kHz)	Coercivity (Hc)(A/m)	Magnetic permeability (μ20kHz)	Iron loss (Ps)(w/kg)	Iron loss (Ps)(w/kg)	Curie temperature (Tc/℃)
Iron based nanocrystals	1.25	<0.2	<1.6	>2×10⁴	20kHz,0.5T <25	50kHz,0.3T <30	560
Ferrite	≤0.5	0.2	6	2000	Can not use	Can not use	≤220

Typical magnetic core specifications

Model of magnetic core	Size of magnetic core			Finished size			Length of magnetic path	Effective sectional area	Average weight
Model of magnetic core	TD(mm)	ID(mm)	H(mm)	TD(mm)	ID(mm)	H(mm)	Le(cm)	Ae(cm²)	Average weight
BD-SJ-050032020	50	32	20	53	28	23	12.88	1.44	130
BD-SJ-064040020	64	40	20	66	37	23	16.33	1.92	225
BD-SJ-070040020	70	40	20	73	38	24	17.27	2.4	295
BD-SJ-075050025	75	50	25	77	47	28	19.63	2.5	350
BD-SJ-080050020	80	50	20	82	46	23	20.4	2.4	350
BD-SJ-100060020	100	60	20	105	56	23	25.13	3.2	540
BD-SJ-105060030	105	60	30	110	56	35	25.91	5.4	980
BD-SJ-120060030	120	60	30	125	57	35	28.27	7.2	1320
BD-SJ-120060040	120	60	40	125	57	45	28.27	9.6	1945
BD-SJ-120070020	120	70	20	125	67	30	29.84	4	850
BD-SJ-120070025	120	70	25	125	67	30	29.84	5	1065
BD-SJ-120070030	120	70	30	125	67	35	29.84	6	1280
BD-SJ-120070040	120	70	40	125	67	45	29.84	8	1710
BD-SJ-130080040	130	80	40	136	76	45	32.98	8	1890
BD-SJ-130080050	130	80	50	136	76	55	32.98	10	2365
BD-SJ-170110050	170	110	50	176	104	56	43.98	12	3790

Application

Used In Current Transformer

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