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Flyback Transformer

RoHS compliant AEC-Q flag
  • Developed for use with Silicon Labs Si88xx isolated dc-dc-converter reference designs.
  • Designed to meet basic insulation class with 3 mm creepage and clearance
  • Low leakage inductance at 60 nH
  • AEC-Q200 Grade 1 (−40°C to +125°C)
  • 2500 Vrms, one minute isolation (hipot), from primary to secondary. For a 5000 Vrms version, please see the TA7618-AL
Learn more about these miniature transformers for digital isolators.

Buy Now:
Count Unit price
1 $3.43
100 $2.92
300 $2.35
600 $1.85
1200 $1.55

For high volume or non-stock items, request a quote.

. in stock, ready to ship today.
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Typical Application

Works with Silicon Labs Si88xx

Input Voltage Output
3 V 5.5 V 5 V , 0.4 A


Electrical specifications at 25°C.

Part number 1
(Hover for schematics)
at 0A (µH) 2
(Tolerance: ±5%)
Isat (A) 3 DCR max (Ω) 4 Leakage
max (µH) 5
Turns Ratio Isolation
Voltage (Vrms) 6
Pri Sec Pri : Sec
TA7608-AL_ 2.0 4.3 0.033 0.105 0.06 1 : 4 2500
  1. When ordering, please specify packaging code: e.g.TA7608-ALD
  2. Inductance is for the primary, measured on an Agilent/HP 4284 at 100 kHz, 0.1 Vrms, 0 Adc.
  3. DC current that causes an inductance drop of 30% (typ) from its value without current.
  4. DCR is measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  5. Leakage inductance measured between pins 2 and 3 at 100 kHz, 0.1Vrms, 0 Adc with pins 8 and 5 shorted.
  6. Isolation (hipot) measured between windings for one minute.


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


  • D = 13″ machine ready reel. EIA-481 embossed plastic tape. 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.
RoHS compliant
Ambient temperature range:
–40°C to +125°C
Storage temperature range:
Component: –40°C to +135°C
Tape and reel packaging: –40°C to +80°C
Maximum part temperature:
Failures in Time (FIT) / Mean Time Between Failures (MTBF):



Physical characteristics



Tape and Reel specification


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 6,11 0,37

General specification

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


Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
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.
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.