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LPH8045 Series

3-Winding Coupled Inductors/Transformers

RoHS compliant halogen free
Our versatile LPH8045 Series shielded coupled inductors include three 1:1 windings for a variety of configurations as transformers, or as a SEPIC inductor.  Magnetic shielding allows high density mounting.
  • Three 1 : 1 windings can be wired in a variety of ways:
    As a 1 : 1, 2 : 1 or 1 : 2 transformer;
    as a 1 : 1 transformer with an aux winding;
    as a gate drive transformer;
    as a SEPIC inductor; etc.
  • Low DCR
  • Excellent current handling
  • Magnetically shielded
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Specifications

Electrical specifications at 25°C.

For Flyback Applications

Part number 1
(Hover for schematics)
Inductance (µH) 2
(Tolerance: ±20%)
DCR (mΩ) 3 Isolation
Voltage (V)
Turns Ratio
typ max
LPH8045-682MR_ 6.8 208 223 200 1 : 1
LPH8045-822MR_ 8.2 228 250 200 1 : 1
LPH8045-103MR_ 10 241 261 200 1 : 1
LPH8045-153MR_ 15 306 331 200 1 : 1
LPH8045-223MR_ 22 390 395 200 1 : 1

For SEPIC Applications

Part number 1
(Hover for schematics)
Inductance (µH) 2
(Tolerance: ±20%)
DCR (mΩ) 3 SRF typ (MHz) 4 Isat (A) 5 Irms (mA) 6
typ max 10% drop 20% drop 30% drop
LPH8045-682MR_ 6.8 208 223 31.0 3.3 3.7 3.9 1300
LPH8045-822MR_ 8.2 228 250 27.4 3.0 3.4 3.7 1260
LPH8045-103MR_ 10 241 261 25.0 2.7 3.1 3.4 1210
LPH8045-153MR_ 15 306 331 18.9 2.3 2.7 2.9 1090
LPH8045-223MR_ 22 390 395 15.0 1.7 1.9 2.1 890
Notes
  1. When ordering, please specify packaging code: e.g. LPH8045-223MRC
  2. Inductance is for each winding, measured at 200 kHz, 0.1 Vrms, 0 Adc
  3. DCR is for each winding, measured at 25°C on a micro-ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
  4. SRF measured using an Agilent/HP 8753ES or equivalent.
  5. Isat: DC current at which the inductance drops the specified amount from its value without current. Details
  6. Irms: Current through one winding that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.

 

Termination:

  • RoHS compliant matte tin over nickel over silver. Other terminations available at additional cost.

Packaging:

  • C = 7″ machine-ready reel. EIA-481 embossed plastic tape (250 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (1000 parts per full reel).
  • B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to C.
Environmental
Environmental:
RoHS compliant , halogen free
Ambient temperature range:
–40°C to +85°C with (40°C rise) Irms current
Storage temperature range:
Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
Maximum part temperature:
+125°C (Ambient + temperature rise)
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Performance curves

Inductance vs. Frequency

Inductance vs Current

Physical characteristics

lph8045d.gif


dims_inches_mm.gif

Tape and Reel specification

tapereel_pl-(16).gif

 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
7" (178 mm) 13" (330 mm) A B C D E W P Po P1 H T part_or_am.gif
250 1000* 178/330 60/100 13 14,4 8,4 16 12 4 2 4,83 0,28
* Special order
 

General specification

Core Material:
Ferrite
Weight:
825 - 875 mg
Packaging:
250/7″reel; 1000/13″ reel; Plastic tape: 16 mm wide, 0.28 mm thick, 12 mm pocket spacing, 4.83 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT)
Resistance to soldering heat:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
Refer to Soldering Coilcraft Components before soldering.
Recommended Pick & Place Nozzle:
OD:8 mm; ID:4 mm
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.