Ferrite For Switching Power Supplies Material Characteristics

Transcription

1 (4/76) 2-1 / / e14.fm Material Characteristics MATERIAL CHARACTERISTICS(for Transformer and Choke) Material PC4 PC5 Initial permeability 23±25% 24±25% 25±25% 14±25% Amplitude permeability µa 3 min. 3 min. 25 C 12 25kHz 6 C 8 sine wave 1 C 7 12 C 85 Core loss volume density (Core loss) [B=2mT] Saturation magnetic flux density [H=1194A/m] Pcv kw/m 3 Bs mt 1kHz sine wave 25 C C C C C C C C C Remanent flux density Br mt 6 C C C C Coercive force Hc A/m 6 C C C Curie temperature Tc C >215 >215 >23 >24 Density db kg/m Electrical resistivity ρv Ω m Average value 5kHz, 5mT Material PC45 PC46 PC33 Initial permeability 25±25% 32±25% 14±25% Amplitude permeability µa Core loss volume density (Core loss) [B=2mT] Pcv kw/m 3 25kHz sine wave 1kHz sine wave 25 C 6 C 1 C 12 C 25 C C 25(75 C) 25(45 C) 8 1 C C C C C Saturation magnetic flux density Bs mt [H=1194A/m] 12 C C Remanent flux density Br mt 6 C C C C Coercive force Hc A/m 6 C C C Curie temperature Tc C >23 >23 >29 Density db kg/m Electrical resistivity ρv Ω m Average value

2 (5/76) 2-1 / / e14.fm Material Characteristics MATERIAL CHARACTERISTICS(for Common mode Choke) Material HS52 HS72 HS1 Initial permeability 55±25% 75±25% (2min. at 5kHz) 1±25% Relative loss factor tanδ/ 1 6 1(1kHz) 3(1kHz) 3(1kHz) Saturation magnetic flux density [H=1194A/m] Bs mt 25 C Remanent flux density Br mt 25 C Coercive force Hc A/m 25 C Curie temperature Tc C >13 >13 >12 Density db kg/m Electrical resistivity ρv Ω m Average value MATERIAL CHARACTERISTICS(for Telecommunication) Material H5A H5B2 H5C2 H5C3 Initial permeability +4% 33 % 75±25% 1±3% 15±3% Relative loss factor tanδ/ 1 6 <2.5(1kHz) <1(1kHz) <6.5(1kHz) <7.(1kHz) <7.(1kHz) 3 to +2 C.5 to 2. to to to 1.5 Temperature factor of initial αr 1 permeability to 2 C 2 to 7 C.5 to 2. to to to 1.5 Saturation magnetic flux density [H=1194A/m] Bs mt 25 C Remanent flux density Br mt 25 C Coercive force Hc A/m 25 C Curie temperature Tc C >13 >13 >12 >15 Hysteresis material constant ηb 1 6 mt <.8 <1. <1.4 <.5 Disaccommodation factor DF 1 6 <3 <3 <2 <2 Density db kg/m Electrical resistivity ρv Ω m Average value Material HP5 DN4 DN7 Initial permeability 5±2% 4±25% 75±25% Relative loss factor tanδ/ 1 6 <3.5(1kHz) <2.5(1kHz) <2.(1kHz) 3 to +2 C.5 to 2..5 to 1.5 Temperature factor of initial αr 1 permeability to 2 C ±12.5% 2 to 7 C ±12.5%.5 to 2..5 to 1.5 Saturation magnetic flux density [H=1194A/m] Bs mt 25 C Remanent flux density Br mt 25 C Coercive force Hc A/m 25 C Curie temperature Tc C >14 >13 >15 Hysteresis material constant ηb 1 6 mt <.4 <.8 <.2 Disaccommodation factor DF 1 6 <3 <3 <2.5 Density db kg/m Electrical resistivity ρv Ω m Average value

3 (6/76) 2-1 / / e14.fm Material Characteristics vs. Frequency Characteristics tanδ/ vs. Frequency Characteristics HS52 PC4 1 4 H5C3 HS1 HS H5C3 HS1 HS72 PC5 HS52 PC4 tan δ/ 1 3 PC Frequency(kHz) Frequency(kHz) Magnetization Curves (Typical) Material: PC4 Material: 5 6 C 5 6 C C 12 C C 12 C Material: PC C 8 C 1 C 12 C

4 (7/76) 2-1 / / e14.fm Material Characteristics Core Loss (Typical) Material: PC4 Material: 1 5 (Sine wave data) 1 5 (Sine wave data) 5kHz 1 4 3kHz 2kHz 1 4 5kHz 3kHz 2kHz 1kHz Core loss Pcv(kW/m 3 ) kHz 25kHz Core loss Pcv(kW/m 3 ) kHz 5kHz 25kHz C 1 C Test core: EI C 1 C Test core: T Material: PC5 1 5 (Sine wave data) 1 4 1MHz 5kHz 3kHz 2kHz Core loss Pcv(kW/m 3) C 1 C 7kHz Test core: T2X5X Flux density Bm(mT)

5 (8/76) 2-1 / / e14.fm Material Characteristics Temperature Dependence of Core Loss (Typical) Material: PC4 (Frequency: 1kHz) 1 Material: (Frequency: 1kHz) Core loss Pcv(kW/m 3) 6 4 2mT Core loss Pcv(kW/m 3) 6 4 2mT 2 15mT 2 15mT Material: PC Test core: Toroidal OD=31mm TH=8mm ID=19mm 1 1MHz 1mT Core loss Pcv(kW/m 3) 1 1 5kHz 1mT 1MHz 5mT 5kHz 5mT Magnetization Curves (Typical) HS52 HS72 HS C 1 C C 1 C C 1 C 1 Test core OD: 31mm TH: 8mm ID: 19mm Test core OD: 31mm TH: 8mm ID: 19mm Test core OD: 31mm TH: 8mm ID: 19mm 5 1

6 (9/76) 2-1 / / e14.fm Material Characteristics vs. Temperature Characteristics (Typical) PC HS HS PC HS Test core: OD=31mm TH=8mm ID=19mm

7 (1/76) 2-1 / / e14.fm Low Loss Material has the best properties for transformers of power supplies, adapters and chargers. The core loss and saturation magnetic flux density of are far better than and PC4 which are currently in use. FEATURES Core loss: 25kW/m 3 at 1kHz, 2mT, 1 C. Low core loss at wide frequency range 1kHz to 3kHz. Higher saturation flux density than. APPLICATIONS Switching power supplies Adapters and chargers for notebook type pc CCFL LCD backlight MATERIAL CHARACTERISTICS Material (NEW) PC4 Initial permeability 25 C 25±25% 24±25% 23±25% Core loss volume density [1kHz, 2mT] Saturation magnetic flux density [1A/m] Remanent flux density Br mt Pcv kw/m 3 6 C C C Bs mt 25 C C C C Curie temperature Tc C min Density db kg/m Pcv TEMPERATURE DEPENDENCE CHARACTERISTICS (Typical) Core loss Pcv(kW/m 3 ) kHz/2mT PC Core loss Pcv(kW/m 3 ) kHz/3mT PC Bs and Br TEMPERATURE DEPENDENCE CHARACTERISTICS (Typical) 6 5 Bs Bs, Br(mT) PC4 PC4 Br

8 (11/76) 2-1 / / e14.fm Low Loss Material vs. FREQUENCY CHARACTERISTICS (Typical) vs. TEMPERATURE CHARACTERISTICS (Typical) PC4 µ i PC Frequency(kHz) MAGNETIZATION CURVES (Typical) MATERIAL: µa TEMPERATURE DEPENDENCE CHARACTERISTICS (Typical) C 8 C 1 C 12 C µ a kHz/3mT PC

9 (12/76) 2-1 / / e14.fm Low Loss Materials PC45 and PC46 In recent years, with the advent of notebook type pc, VCR s, digital camera s and mobile communication devices, technological demands have risen for higher performance CCFL LCD backlight units that have smaller sizes, lower profiles and higher efficiency. The PC45 and PC46 are materials developed to achieve higher efficiency in designing minimize core loss at practical temperature ranges (PC45: 6 to 8 C and PC46: 4 to 5 C) and high saturation flux density. They are also suitable for the transformers of DC to DC converters and adapters of notebook type pc. APPLICATIONS Switching power supplies Adapters and chargers for notebook type pc CCFL LCD backlight MATERIAL CHARACTERISTICS Material PC45(NEW) PC46(NEW) Initial permeability 25 C 25±25% 32±25% 24±25% Core loss volume density [1kHz, 2mT] Saturation magnetic flux density [1A/m] Remanent flux density Br mt Pcv kw/m 3 6 C 25(75 C) 25(45 C) 4 25 C C Bs mt 25 C C C C Curie temperature Tc C min Density db kg/m Pcv TEMPERATURE DEPENDENCE CHARACTERISTICS (Typical) Bs and Br TEMPERATURE DEPENDENCE CHARACTERISTICS (Typical) Core loss Pcv(kW/m 3 ) kHz/2mT PC46 PC Bs, Br(mT) Bs Br PC45 PC46 PC46 PC vs. FREQUENCY CHARACTERISTICS (Typical) vs. TEMPERATURE CHARACTERISTICS (Typical) PC46 PC45 µ i PC45 PC Frequency(kHz)

10 (13/76) 2-1 / / e14.fm Low Loss Materials PC45 and PC46 MAGNETIZATION CURVES MATERIAL:PC45 MATERIAL:PC C 8 C 1 C 12 C C 8 C 1 C 12 C

11 (14/76) 2-1 / / e14.fm PC33 High Saturation Flux Density Material for Choke Coil PC33 has the best properties for smoothing choke coil of power supplies. The saturation magnetic flux density of PC33 is far better than and PC4 which are currently in use. FEATURES Higher saturation flux density than and PC4. Most suitable ferrite material for choke coils. Maintain high saturation magnetic flux density at high temperature. APPLICATIONS Power choke coils for switching power supplies Power choke coils for notebook type pc MATERIAL CHARACTERISTICS Material PC33(NEW) PC4 Saturation magnetic flux density 25 C Bs mt [1A/m] 1 C Initial permeability 25 C 14±25% 24±25% 23±25% Core loss volume density [1kHz, 2mT] Pcv kw/m 3 6 C C C Curie temperature Tc C min Density db kg/m Pcv TEMPERATURE DEPENDENCE CHARACTERISTICS (Typical) Bs TEMPERATURE DEPENDENCE CHARACTERISTICS (Typical) Core loss Pcv(kW/m 3 ) kHz/2mT PC33 PC Bs(mT) PC33 PC

12 (15/76) 2-1 / / e14.fm DN4 and DN7 Low THD Materials for xdsl Modem Transformers The use of xdsl technique becomes wide spread as a high broad-band access to the internet. In order to utilize such network access as sufficient as possible, low THD (Total Harmonic Distortion) of transformer for xdsl modem is quite important to transfer the significant signals. Materials DN4 and DN7, TDK achieved such requirements recently, are developed to meet low THD over a wide temperature range( to 85 C) and wide frequency range( 5kHz). Therefore, They are suitable for the high performance transformer design for xdsl modem applications. Standardization of AL-value will help you to select the optimum core at the transformer design. FEATURES Meet low THD over a wide temperature range( to 85 C) and wide frequency range ( 5kHz). APPLICATIONS Transformer for xdsl modem APPLIED CORE TYPE AND AL-value Core Type AL-value EP EP7 4, 63, 1, 16, 25 EP1 4, 63, 1, 16, 25 EP13 63, 1, 16, 25, 4, 5 MATERIAL CHARACTERISTICS Material DN7(NEW) DN4 Initial permeability 25 C 75±25% 4±25% Relative loss factor [1kHz] tanδ/ C <2. <2.5 Temperature factor of intial permeability αr Unless otherwise specify the tolerance, the values are shown as a typical. 3 to +2 C 2 to 7 C.5 to to to 2..5 to 2. Saturation magnetic flux density [1A/m] Bs mt 25 C Hysteresis material constant 1 6 ηb [25 C, 1.5 to 3.mT, 1kMz] mt <.2 <.8 Curie temperature Tc C min Density db kg/m Electrical resistivity ρv Ω m.3 1. THD TEMPERATURE DEPENDENCE CHARACTERISTICS (Typical) vs. TEMPERATURE CHARACTERISTICS (Typical) 9 25 DN7 THD(dB) 85 8 DN7 DN4 µ i DN EP7 5kHz