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MSD1048-104ME Dataheets PDF



Part Number MSD1048-104ME
Manufacturers Coilcraft
Logo Coilcraft
Description Coupled Inductors
Datasheet MSD1048-104ME DatasheetMSD1048-104ME Datasheet (PDF)

Document 1190-1 Coupled Inductors  MSD1048 ForFlyback,SEPIC,Zeta and other Applications 01.400,36max 01.400,36max 123 X Dot indicates pin1 1 Dash number L1 Internal code 3 2 L2 4 0.118 3,0 0.189 ±0.008* 4,8 ±0,2 Recommended Land Pattern 0.130 3,3 0.228 5,8 34 21 0.079 2,0 21 0.094 2,4 0.213 5,4 34 0.039 1,0 * For optional tin-lead and tin-silver-copper terminations, dimensions are for the mounted part. Dimensions before mounting can be an additional 0.012 inch (0,3 mm). 0.

  MSD1048-104ME   MSD1048-104ME



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Document 1190-1 Coupled Inductors  MSD1048 ForFlyback,SEPIC,Zeta and other Applications 01.400,36max 01.400,36max 123 X Dot indicates pin1 1 Dash number L1 Internal code 3 2 L2 4 0.118 3,0 0.189 ±0.008* 4,8 ±0,2 Recommended Land Pattern 0.130 3,3 0.228 5,8 34 21 0.079 2,0 21 0.094 2,4 0.213 5,4 34 0.039 1,0 * For optional tin-lead and tin-silver-copper terminations, dimensions are for the mounted part. Dimensions before mounting can be an additional 0.012 inch (0,3 mm). 0.049 1.25 Dimensions are in inches mm • Tight coupling (k ≥ 0.97) • 200 V isolation • Ideal for use in a variety of circuits including flyback, multi-output buck, SEPIC, Ćuk and Zeta. • High efficiency and excellent current handling • Can also be used as two single inductors connected in series or parallel, as a common mode choke or as a 1 : 1 transformer. + D L1 L2 C VIN C SW – Typical Flyback Converter + VOUT – L2 D C + VOUTAUX – ++ L1 VIN SW D C VOUT –– Typical Buck Converter with auxiliary output + VIN C L1 Q C1 L2 D C + VOUT –– Typical SEPIC schematic + VIN C – Q C1 L2 L1 D C Typical Zeta schematic + VOUT – Document 1190-1  Revised 11/09/15 Document 1190-2 Coupled Inductors – MSD1048 Series Coupling Leakage           Irms (A) Part   Inductance2   DCR max3  SRF typ4 coefficient  Inductance5  Isat6 both one number1 (µH) (Ohms) (MHz) typ typ (µH) (A)   windings7   winding8 MSD1048-222NE_    2.2 ±30% MSD1048-103ME_   10 ±20% MSD1048-223ME_   22 ±20% MSD1048-473ME_   47 ±20% MSD1048-683ME_   68 ±20% 0.019 0.053 0.098 0.208 0.297 65 27 17 12 9.0 0.97 >0.99 >0.99 >0.99 >0.99 0.30 0.40 0.45 0.50 0.55 9.1 2.4 4.3 1.5 2.9 1.3 2.0 1.1 1.7 1.0 3.4 2.1 1.9 1.6 1.4 MSD1048-104ME_   100 ±20% MSD1048-224KE_   220 ±10% 0.387 0.840 7.3 >0.99 4.8 >0.99 0.80 1.0 1.3 0.90 0.85 0.62 1.2 0.87 1. When ordering, please specify termination and packaging codes: MSD1048-224KED Termination: E = RoHS compliant matte tin over nickel over phos bronze. Special order: Q = RoHS tin-silver-copper (95.5/4/0.5) or P = non-RoHS tin-lead (63/37). Packaging: D = 13″ machine-ready reel. EIA-481 embossed plastic tape. (800 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead. 2. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value. 3. DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value. 4. SRF measured using an Agilent/HP 4191A or equivalent. When leads are connected in parallel, SRF is the same value. 5. Leakage Inductance is for L1 and is measured with L2 shorted. 6. DC current at 25°C that causes a 30% (typ) inductance drop from its value without current. It is the sum of the current flowing in both windings. 7. Equal current when applied to each winding simultaneously that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. To predict temperature rise go to online calculator. 8. Maximum current when applied to one winding that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. To predict temperature rise go to online calculator. 9. Electrical specifications at 25°C. Refer to Doc 639 “Selecting Coupled Inductors for SEPIC Applications.” Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Coupled Inductor Core and Winding Loss Calculator This web-based utility allows you to enter frequency, peak-to-peak (ripple) current, and Irms current to predict temperature rise and overall losses, including core loss. Go to online calculator. Core material Ferrite Core and winding loss  Go to online calculator Terminations  RoHS compliant matte tin over nickel over phos bronze. Other terminations available at additional cost. Weight:  1.5– 1.8 g Ambient temperature  –40°C to +85°C with (40°C rise) Irms current. Maximum part temperature  +125°C (ambient + temp rise). Storage temperature  Component: –40°C to +125°C. Tape and reel packaging: –40°C to +80°C Winding-to-winding and winding-to-core isolation 200 Vrms Resistance to soldering heat  Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging  800/13″ reel  Plastic tape:  24 mm wide, 0.35 mm thick, 16 mm pocket spacing, 5.1 mm pocke.


MSD1048-683ME MSD1048-104ME MSD1048-224KE


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