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WA8417-AL Fly-Buck Transformer

for TI PMP30227 Isolated Power Supply

RoHS compliant
  • Developed for use with Texas Instrument PMP30227 Automotive Isolated 15 V/4.5 W Bias Power Supply.
  • Designed to meet basic insulation class with 3 mm creepage and clearance
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Typical Application

Works with Texas Instruments PMP30227

Input Voltage Output Power Fsw
8 V 28 V 15 V , 0.3 A 4.5 W 400 kHz

Specifications

Electrical specifications at 25°C.

Part number 1
(Hover for schematics)
Inductance
at 0A (µH) 2
(Tolerance: ±10%)
Isat (A) 3 DCR max (Ω) 4 Leakage
Inductance
max (µH) 5
Turns Ratio Isolation
Voltage (Vrms) 6
Pri Sec Pri : Sec
WA8417-AL_ 47.0 2.8 0.185 0.370 0.420 1 : 2 2500
Notes
  1. When ordering, please specify packaging code: e.g. WA8417-ALD
  2. Inductance is for the primary, measured on an Agilent/HP 4284 at 400 kHz, 0.6 Vrms, 0 Adc.
  3. Isat: DC current that causes an inductance drop of 30% (typ) from its value without current.
  4. DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  5. Leakage inductance measured between pins 3 and 4 at 400 kHz, 0.6 Vrms, 0 Adc with pins 10 and 9 shorted.
  6. 2500 Vrms, one minute isolation from primary to secondary.

Termination:

  • RoHS tin-silver-copper (95.5/3.8/0.7) over tin over nickel over phos bronze.

Packaging:

  • D = 13″ machine ready reel. EIA-481 embossed plastic tape (600 per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
  • 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 D.
Environmental
Environmental:
RoHS compliant
Ambient temperature range:
−40°C to +125°C
Storage temperature range:
Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
Maximum part temperature:
+165°C (Ambient + temperature rise)
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Schematics

wa8417s.gif

Physical characteristics

wa8417d.gif

dims_inches_mm.gif

Tape and Reel specification

tapereel_pl.gif
 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T part_or_f.gif
600 330 100 13 30,4 24,4 24 16 4 2 6,1 0,37

General specification

Core Material:
Ferrite
Weight:
5.23 g
Packaging:
600 per 13″ reel Plastic tape: 24 mm wide, 0.37 mm thick, 16 mm pocket spacing, 6.1 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
Resistance to soldering heat:
Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
Refer to Soldering Coilcraft Components before soldering.
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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