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No-Opto Flyback Transformer

RoHS compliant
  • Optimized for Maxim's MAXREFDES1226 reference design
    and MAX17690 No-Opto Isolated Flyback Controllers
Buy Now:
Count Unit price
1 $4.01
100 $3.93
250 $2.95
500 $1.77
1000 $1.38
2500 $1.18
5000 $1.08

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

. in stock, ready to ship today.
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Typical Application

Works with Maxim MAX17690

Input Voltage Output Power Fsw
17 V 36 V 5 V , 1.5 A 7.5 W 250 kHz

Specifications

Electrical specifications at 25°C.

Part number
(Hover for schematics)
Inductance
at 0A (µH) 1
(Tolerance: ±10%)
Inductance
min at   2.6 A (µH) 2
Isat (A) 3 DCR max (Ω) Leakage
Inductance
max (µH) 4
Turns Ratio Isolation
Voltage (Vrms) 5
Pri Sec Pri : Sec
YA9280-AL_ 18.0 15.3 3.8 0.101 0.027 0.572 1 : 0.4 1500
Notes
  1. Inductance is for the primary, measured at 150 kHz, 0.1 Vrms, 0 Adc.
  2. Minimum inductance is for the primary, measured at 150 kHz, 0.1 Vrms, 2.6 Adc.
  3. DC current that causes an inductance drop of 30% (typ) from its value without current.
  4. Leakage inductance is for the primary winding with the secondary windings shorted.
  5. Isolation (hipot) measured between windings for one minute.

Termination:

  • RoHS tin-silver-copper over tin over nickel over phos bronze. Other terminations available at additional cost.

Packaging:

  • 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).
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
Failures in Time (FIT) / Mean Time Between Failures (MTBF):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Performance curves

Inductance vs Current

Schematics

ya9280s.gif
Connect pins 4 to 5, 2 to 1, 7 to 6,
and 10 to 9 on PC board

Physical characteristics

ya9280d.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_u.gif
500 330 100 13 30,4 24,4 24 16 4 2 6,13 0,36

General specification

Core Material:
Ferrite
Weight:
1.5 g
Packaging:
500 per 13″ reel Plastic tape: 24 mm wide, 0.36 mm thick, 16 mm pocket spacing, 6.13 mm pocket depth

Soldering/Washing

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.