Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    ER14.5 Search Results

    ER14.5 Result Highlights (6)

    Part ECAD Model Manufacturer Description Download Buy
    SER1410-202MEB Coilcraft Inc General Purpose Inductor, 2uH, 20%, 1 Element, Ferrite-Core, SMD, 6047, HALOGEN FREE AND ROHS COMPLIANT Visit Coilcraft Inc
    SER1412-362MED Coilcraft Inc General Purpose Inductor, 3.6uH, 20%, 1 Element, Ferrite-Core, SMD, 6047, HALOGEN FREE AND ROHS COMPLIANT Visit Coilcraft Inc
    SER1408-501MED Coilcraft Inc General Purpose Inductor, 0.5uH, 20%, 1 Element, Ferrite-Core, SMD, 6047, HALOGEN FREE AND ROHS COMPLIANT Visit Coilcraft Inc
    SER1410-202MED Coilcraft Inc General Purpose Inductor, 2uH, 20%, 1 Element, Ferrite-Core, SMD, 6047, HALOGEN FREE AND ROHS COMPLIANT Visit Coilcraft Inc
    SER1408-681MED Coilcraft Inc General Purpose Inductor, 0.68uH, 20%, 1 Element, Ferrite-Core, SMD, 6047, HALOGEN FREE AND ROHS COMPLIANT Visit Coilcraft Inc
    SER1408-501MEB Coilcraft Inc General Purpose Inductor, 0.5uH, 20%, 1 Element, Ferrite-Core, SMD, 6047, HALOGEN FREE AND ROHS COMPLIANT Visit Coilcraft Inc
    SF Impression Pixel

    ER14.5 Price and Stock

    BatteryGuy ER14505 NIYA

    BATTERY LITHIUM 3.6V AA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ER14505 NIYA Bag 4,870 10
    • 1 -
    • 10 $4.51
    • 100 $3.02
    • 1000 $3.02
    • 10000 $3.02
    Buy Now

    Jauch Quartz America ER14505J-T AA

    BATT LI-SOCI2 3.6V AA ER14505
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ER14505J-T AA Box 2,598 1
    • 1 $5.72
    • 10 $4.753
    • 100 $3.9607
    • 1000 $3.32189
    • 10000 $3.32189
    Buy Now
    ER14505J-T AA Box 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    ER14505J-T AA Bulk 120 1
    • 1 $5.72
    • 10 $4.753
    • 100 $3.9607
    • 1000 $3.32189
    • 10000 $3.32189
    Buy Now

    Jauch Quartz America ER14505J-3PF AA

    BATT LI-SOCI2 AA ER14505 3.6V
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ER14505J-3PF AA Tray 2,396 1
    • 1 $5.07
    • 10 $5.07
    • 100 $3.68767
    • 1000 $3.07686
    • 10000 $2.94112
    Buy Now

    Jauch Quartz America ER14505J-P AA

    BATT LI-SOCI2 3.6V AA ER14505
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ER14505J-P AA Box 1,839 1
    • 1 $4.29
    • 10 $3.566
    • 100 $3.375
    • 1000 $3.375
    • 10000 $3.375
    Buy Now

    Jauch Quartz America ER14505J-S AA

    BATT LI-SOCI2 AA ER14505 3.6V
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ER14505J-S AA Box 1,000 1
    • 1 $3.25
    • 10 $3.25
    • 100 $2.99
    • 1000 $2.99
    • 10000 $2.99
    Buy Now
    ER14505J-S AA Box 542 1
    • 1 $5.52
    • 10 $4.584
    • 100 $3.8198
    • 1000 $3.35158
    • 10000 $3.20372
    Buy Now
    ER14505J-S AA Bulk 120 1
    • 1 $5.52
    • 10 $4.584
    • 100 $3.8198
    • 1000 $3.20372
    • 10000 $3.20372
    Buy Now

    ER14.5 Datasheets (21)

    Part ECAD Model Manufacturer Description Curated Type PDF
    ER14505 Able Battery Primary lithium batteries Original PDF
    ER1451 General Instrument 700 Bit Serial Electrically Alterable Read Only Memory Scan PDF
    ER1451 General Instrument Microelectronics Data Catalog 1982 Scan PDF
    ER14.5/3/7-3C92-A100-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C92-A160-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C92-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C95-A160-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C95-A63-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C95-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C96-A100-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C96-A160-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C96-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C97-A160-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C97-A63-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3C97-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3F36-A100-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3F36-A160-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3F36-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3F46-A100-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF
    ER14.5/3/7-3F46-A160-S Ferroxcube Magnetics - Transformer, Inductor Components - Ferrite Cores - PLANAR ER CORES 2PC SET Original PDF

    ER14.5 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    Flyback transformer

    Abstract: 6 pin pulse transformer 111 flyback transformer data pin 10 pin flyback transformer schematics ER14.5 TRANSFORMER PA1032 of IC 7806 fly-back transformer 12 pin flyback transformer
    Text: HIGH FREQUENCY CONVENTIONAL WOUND MAGNETICS ER Platforms - ER9.5, ER11 and ER14.5 Transformers and Inductors Power: 1W to 9W Three Different SMT Platforms Custom designs available Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C


    Original
    PDF PB2090 36-72v, 200kHz 12v/0 18-36v, 12v/50mA Flyback transformer 6 pin pulse transformer 111 flyback transformer data pin 10 pin flyback transformer schematics ER14.5 TRANSFORMER PA1032 of IC 7806 fly-back transformer 12 pin flyback transformer

    10 pin flyback transformer schematics

    Abstract: flyback transformer flyback transformer 8 pin schematics 10 pin flyback transformer flyback transformer pin 11 pin flyback transformer schematics flyback cross reference "flyback transformer" 11 pin flyback transformer 5 pin pulse transformer
    Text: High Frequency Wire Wound Transformers ER Platforms - ER9.5, ER11 and ER14.5 Transformers and Inductors Power: 1W to 9W Three Different SMT Platforms Custom designs available Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C TRANSFORMERS


    Original
    PDF PB2090 PB2109 PB2110 PB2135 A0663NL A1032NL PB2162 A1006NL A1026NL A1085NL 10 pin flyback transformer schematics flyback transformer flyback transformer 8 pin schematics 10 pin flyback transformer flyback transformer pin 11 pin flyback transformer schematics flyback cross reference "flyback transformer" 11 pin flyback transformer 5 pin pulse transformer

    10 pin flyback transformer schematics

    Abstract: 12 pin flyback transformer 11 pin flyback transformer schematics Flyback transformer 8 pin flyback transformer 9 pin schematics flyback transformer 8 pin schematics flyback transformer PB2135 flyback transformer pin 10 pin flyback transformer
    Text: HIGH FREQUENCY WIRE WOUND TRANSFORMERS ER Platforms - ER9.5, ER11 and ER14.5 Transformers and Inductors Power: 1W to 9W Three Different SMT Platforms Custom designs available Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C TRANSFORMERS


    Original
    PDF PB2090 36-72v, 200kHz 12v/0 1500Vdc PB2109 PA1032 PB2162 0-57V 250kHz 10 pin flyback transformer schematics 12 pin flyback transformer 11 pin flyback transformer schematics Flyback transformer 8 pin flyback transformer 9 pin schematics flyback transformer 8 pin schematics flyback transformer PB2135 flyback transformer pin 10 pin flyback transformer

    SUMIKA

    Abstract: ER14.5 TRANSFORMER Epcos Ferrite Core 2007 Sumitomo E4008 Epcos Ferrite Core Data book 2007 E4008 E54705 B65514C1010T001
    Text: Ferrite accessories Coil former ER14.5 Series/Type: Ordering code: ER14.5/10-1 SMD B65514C1010T001 Date: Version: 2007-01-31 1 Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers! Please fill in the table and then change the color to "white" or invisible . This ensures that the table disappears for the customer


    Original
    PDF B65514C1010T001 SUMIKA ER14.5 TRANSFORMER Epcos Ferrite Core 2007 Sumitomo E4008 Epcos Ferrite Core Data book 2007 E4008 E54705 B65514C1010T001

    PM-9630

    Abstract: ER14.5 TRANSFORMER B65514-B1010-D001 B65514B1010D001 Epcos Ferrite Core Data book 2007 E41429 Epcos Ferrite Core 2007 B65514B1010D
    Text: Ferrite accessories Coil former ER14.5 Series/Type: Ordering code: ER14.5/10-1 SMD B65514B1010D001 Date: Version: 2007-01-31 1 Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers! Please fill in the table and then change the color to "white" or invisible . This ensures that the table disappears for the customer


    Original
    PDF B65514B1010D001 PM-9630 ER14.5 TRANSFORMER B65514-B1010-D001 B65514B1010D001 Epcos Ferrite Core Data book 2007 E41429 Epcos Ferrite Core 2007 B65514B1010D

    flyback transformer 8 pin schematics

    Abstract: No abstract text available
    Text: HIGH FREQUENCY WIRE WOUND TRANSFORMERS ER Platforms - ER9.5, ER11 and ER14.5 Transformers and Inductors Power: 1W to 9W Three Different SMT Platforms Custom designs available Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C TRANSFORMERS


    Original
    PDF PB2090 36-72v, 200kHz 12v/0 1500Vdc SPM2007 flyback transformer 8 pin schematics

    Untitled

    Abstract: No abstract text available
    Text: Ferrite accessories Coil former ER14.5 Series/Type: Ordering code: ER14.5/10-1 SMD B65514C1010T001 Date: Version: 2007-01-31 1 Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers! Please fill in the table and then change the color to "white" or invisible . This ensures that the table disappears for the customer


    Original
    PDF B65514C1010T001

    flyback transformer

    Abstract: 12 pin flyback transformer 10 pin flyback transformer schematics 11 pin flyback transformer schematics PA1032 PB2110 ER14.5 High frequency transformer PA1006 ER14.5 TRANSFORMER er 35 power transformer
    Text: HIGH FREQUENCY CONVENTIONAL WOUND MAGNETICS ER Platforms - ER9.5, ER11 and ER14.5 Transformers and Inductors Power: 1W to 9W Three Different SMT Platforms Custom designs available Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C


    Original
    PDF PB2090 36-72v, 200kHz 12v/0 1500Vdc flyback transformer 12 pin flyback transformer 10 pin flyback transformer schematics 11 pin flyback transformer schematics PA1032 PB2110 ER14.5 High frequency transformer PA1006 ER14.5 TRANSFORMER er 35 power transformer

    BE-5-916F

    Abstract: EE ferrite core FERRITE core ee TRANSFORMER FERRITE TRANSFORMER ee Bobbin EE 19 EE ferrite BE-5-926F EE8 FERRITE TRANSFORMER smd transistor 6Z transistor smd 6z
    Text: Ferrite Cores EE, ER, EEM Series For Power Supply and Signal Transformer Thin Ferrite Cores for SMD Transformers 2B F 2B Fig. 1 F 2B Fig. 2 Type Fig. EE5 EE8.9/8 ER9.5/5 ER11/3.9 ER11/5 ER14.5/6 EEM12.7/13.7 1 1 2 2 2 2 3 Dimensions mm A 2B 5.25±0.05 5.3±0.1


    Original
    PDF ER11/3 ER11/5 EEM12 5/5-118GA BER11/3 9-1110G BER11/5-1110GA BER14 5/6-1110GA BEM12 BE-5-916F EE ferrite core FERRITE core ee TRANSFORMER FERRITE TRANSFORMER ee Bobbin EE 19 EE ferrite BE-5-926F EE8 FERRITE TRANSFORMER smd transistor 6Z transistor smd 6z

    Untitled

    Abstract: No abstract text available
    Text: EE14/7, EE18/8, EE22/11, EE32/13, EE38/16, EE43/19, EE64/21 EI 14/5, EI 18/6, EI 22/7, EI 32/10, E 64/15 ER9.5, ER11, ER14.5 Planar EE and EI cores, with their low profile are suitable for board level installation allowing assembly without the need for plastic coilformers and can also allow windings integrated into multi-level PCBs. Planar ER cores with their low mass and


    Original
    PDF EE14/7, EE18/8, EE22/11, EE32/13, EE38/16, EE43/19, EE64/21 Commer29

    PA1032

    Abstract: PA0663 flyback transformer 8 pin schematics PA1006 ER14.5 Flyback transformer Flyback transformer 9 pin 10 pin flyback transformer schematics PA1032T ER9.5
    Text: HIGH FREQUENCY CONVENTIONAL WOUND TRANSFORMERS ER Platforms - ER9.5, ER11 and ER14.5 Transformers and Inductors Power: 1W to 9W Three Different SMT Platforms Custom designs available Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C


    Original
    PDF PB2090 36-72v, 200kHz 12v/0 18-36v, 12v/50mA PA1032 PA0663 flyback transformer 8 pin schematics PA1006 ER14.5 Flyback transformer Flyback transformer 9 pin 10 pin flyback transformer schematics PA1032T ER9.5

    CBW229

    Abstract: CBW262 CBW263 E54705 ER11 er14,5 CPVS-ER14 E54705M ER14.5
    Text: Philips Components Product specification ER cores and accessories ER14.5 CORE SETS Effective core parameters SYMBOL PARAMETER VALUE +0.2 halfpage handbook, 1.55 UNIT Σ I/A core factor (C1) 1.08 mm−1 Ve effective volume 333 mm3 Ie effective length 19.0


    Original
    PDF CBW229 CBW262 10-solder CPVS-ER14 5-1S-10P CBW263 CLM-ER14 CBW229 CBW262 CBW263 E54705 ER11 er14,5 E54705M ER14.5

    B65514B1010D001

    Abstract: No abstract text available
    Text: Ferrite accessories Coil former ER14.5 Series/Type: Ordering code: ER14.5/10-1 SMD B65514B1010D001 Date: Version: 2007-01-31 1 Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers! Please fill in the table and then change the color to "white" or invisible . This ensures that the table disappears for the customer


    Original
    PDF B65514B1010D001 B65514B1010D001

    ER14.5

    Abstract: 250 B 340 smd Transistor High power planar Transformer 3C92 3C96 CBW229 ER-14-5 CLM-ER14
    Text: FERROXCUBE DATA SHEET ER14.5/3/7 Planar ER cores and accessories Supersedes data of February 2002 2004 Sep 01 Ferroxcube Planar ER cores and accessories ER14.5/3/7 CORE SETS Effective core parameters SYMBOL PARAMETER VALUE +0.2 halfpage handbook, 1.55 UNIT


    Original
    PDF CBW229 ER14.5 250 B 340 smd Transistor High power planar Transformer 3C92 3C96 CBW229 ER-14-5 CLM-ER14

    Untitled

    Abstract: No abstract text available
    Text: A Dimensions: [mm] B Recommended land pattern: [mm] D Electrical Properties: Properties Test conditions Inductance 100 kHz/ 100 mV Turns ratio C Schematic: Value Unit Tol. µH ±10% L 210 n 1:0.33:0.06:0.06:0.06 1.08 A typ. ±3% Saturation current |ΔL/L| < 20%


    Original
    PDF

    smd 6CS

    Abstract: 13006-2 70004 1Cs smd 10-PIN 1.5CS 13006 EF20 6 8 SMD 6Cs smd HM80-10001
    Text:  Electrical / Environmental ISDN Isolation Transformers • Insulation Resistance, 100 Mohms minimum • Isolation voltage levels available for domestic and international safety standard • Standard Operating Temperature Range 0°C to +85°C Specifications


    Original
    PDF HM80-10001 HM80-20014 HM80-30008 HM80-40010 HM80-50004 HM80-60002 HM80-70004 HM80-80005 HM80-90009 HM80-10011 smd 6CS 13006-2 70004 1Cs smd 10-PIN 1.5CS 13006 EF20 6 8 SMD 6Cs smd HM80-10001

    N558

    Abstract: No abstract text available
    Text: Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : LF 749196221 FLEX-ÜBERTRAGER WE-FLEX FLEX-TRANSFORMER WE-FLEX RoHS compliant DATUM / DATE : 2005-01-19 A Mechanische Abmessungen / dimensions :


    Original
    PDF D-74638 N558

    Untitled

    Abstract: No abstract text available
    Text: A Dimensions: [mm] B Recommended land pattern: [mm] D Electrical Properties: Properties Test conditions Inductance base 10 kHz/ 1 V Rated Current base ΔT = 40K Saturation Current base |ΔL/L| < 10% DC Resistance base @ 20°C Voltage-µSecond base Value Unit


    Original
    PDF

    EEM12.7

    Abstract: PC44 smd 6z
    Text: 蝕購窮坿喘鑓剳悶 SMD 甘伉 EE/ER/EEM 狼双 Issue date: February 2010 ●芝墮坪否,壓短嗤嚠御議秤趨和嗤辛嬬個序才延厚,萩嚠參疎盾。 ● RoHS 峺綜議斤哘:燕幣茅阻卆象 EU Directive 2002/95/EC 窒茅議喘余岻翌,隆聞喘忍,鑽,康,鎗勺候式蒙協粤狼佃伴質 PBB,PBDE 吉。


    Original
    PDF 2002/95/EC ER11/3 ER11/5 EEM12 PC44EE5-Z PC44EE8 PC44ER9 EEM12.7 PC44 smd 6z

    ferrite core ER25

    Abstract: PQI20 PC95EI18 PC95 core 21202 Ferrite for Switching Power Supplies PC95ELT20X7 EIR18 AL415 PC95EI22
    Text: Ferrite for Switching Power Supplies Planar cores EL/ELT/PQI/EIR/ER/EI series Issue date: February 2010 • All specifications are subject to change without notice. • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific


    Original
    PDF 2002/95/EC, EL11X4 EL25X8 ELT11X3 ELT25X8 PQI16/7 PQI26/11 EIR14/4 EIR22/5 ER25/5 ferrite core ER25 PQI20 PC95EI18 PC95 core 21202 Ferrite for Switching Power Supplies PC95ELT20X7 EIR18 AL415 PC95EI22

    EE CORES

    Abstract: EEM12.7 ER11/5 transistor smd 6.z PC44 ferrite materials datasheet 6z smd PC44 ferrite material PC44ER9 EE type CORE pc44
    Text: Ferrite for Switching Power Supplies SMD cores EE/ER/EEM series Issue date: February 2010 • All specifications are subject to change without notice. • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific


    Original
    PDF 2002/95/EC, ER11/3 ER11/5 EEM12 PC44EE8 PC44ER9 PC44ER11/3 PC44ER11/5-Z PC44ER14 PC44EEM12 EE CORES EEM12.7 ER11/5 transistor smd 6.z PC44 ferrite materials datasheet 6z smd PC44 ferrite material EE type CORE pc44

    7466

    Abstract: ferrite core geometry 6855 EEM12.7 EFD10 EFD30 efd30 transformer ER11/5 EFD12 EFD15
    Text: The LPE Series Vishay Dale Surface Mount Transformers and Inductors Custom Designs and Configurations Available PCB Mount available for many Geometries FEATURES • • • • • • • • • Totally integrated manufacturing. Pick and place compatible.


    Original
    PDF EIA-481. EFD15 EPC17 EPC19 EFD20 EPC25B EFD25 EFD30 100kHz, 27-Jun-03 7466 ferrite core geometry 6855 EEM12.7 EFD10 EFD30 efd30 transformer ER11/5 EFD12 EFD15

    B78336

    Abstract: sn 7441 B78332 7441 0X13 ER11
    Text: EPCOS fc 1 t: t r o n t rind P d ’ is Components Inductive Components Product Family Name B78332XXX ER9.5 Transform er B78334XXX ER 11 ERSMD B 78336xxx ER14.5 Date 18.01.2006 Version 02 Construction Element Material group Materials Data Sheet I mass [weight %]


    OCR Scan
    PDF B78332XXX B78334xxx B78336xxx B78336 sn 7441 B78332 7441 0X13 ER11

    XD 102 94V-0

    Abstract: TDK Ferrite Core PC40 EE-25 200 6 transformer HT EE 19 transformer TDK H5C2 material TDK, TRANSFORMER, EPC19, pc40 core EE 25 transformer TDK Ferrite Core PC40 ei EE - 16 TRANSFORMER FEPC-17-A
    Text: Ferrite Cores For Transformers/Inductors EE, ER, EPC, EEM and T4 Series T h ese are the series of low profile miniature surface mount type ferrite core for transform ers and inductors which improves the efficiency of high density mounting. M aterials em ployed include


    OCR Scan
    PDF usPC40EEM12 PC50EEM12 100kHz, 200mT] 500kHz, 100kHz 500kHz 24Vdc XD 102 94V-0 TDK Ferrite Core PC40 EE-25 200 6 transformer HT EE 19 transformer TDK H5C2 material TDK, TRANSFORMER, EPC19, pc40 core EE 25 transformer TDK Ferrite Core PC40 ei EE - 16 TRANSFORMER FEPC-17-A