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FA2469 Flyback Transformers

RoHS compliant
  • Designed for use with STMicroelectronics STLC3075 & STLC3085 POTS interface
  • Provides negative battery voltage to the microchip
  • Versions for 4.5 – 8.5 V and 8.5 – 12 V inputs
Buy Now:
Count Unit price
1 $3.18
350 $2.77
700 $1.66
1400 $1.29
2800 $1.11
5000 $1.01

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

. in stock, ready to ship today.
Request a Sample:

Typical Application

Works with STMicroelectronics STL3075

Part number Input Voltage Output Power Fsw
FA2469-AL_ 4 V 8.5 V -48 V , 0.08 A 4 W 125 kHz
FA2470-AL_ 8.5 V 12 V -48 V , 0.08 A 4 W 125 kHz

Specifications

Electrical specifications at 25°C.

Part number 1 Inductance
at 0A (µH) 2
(Tolerance: ±8%)
Inductance
min at   1.5 A (µH)
DCR max (Ω) 3 Leakage
Inductance
max (µH) 4
Turns Ratio Isolation
Voltage (Vrms) 5
Pri Sec Pri : Sec
FA2469-AL_ 19.0 14.9 0.036 16.5 0.414 1 : 16 1500
FA2470-AL_ 19.0 14.9 0.036 7.9 0.400 1 : 8 1500
Notes
  1. When ordering, please specify termination and packaging codes: e.g. FA2469-ALD
  2. Inductance is for the primary, measured at 10 kHz, 0.1 Vrms, 0 Adc.
  3. DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  4. Leakage inductance measured between pins 1 and 3 with pins 4 and 6 shorted.
  5. 1500 Vdc interwinding isolation.

Termination:

  • L = RoHS compliant tin-silver over tin over nickel over phos bronze.
  • T = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
  • S = non-RoHS tin-lead (63/37). (Special order, added cost)

Packaging:

  • 13" reel, machine-ready 
    EIA-481 embossed plastic tape (350 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.
Environmental
Environmental:
RoHS compliant
Ambient temperature range:
–40°C to +85°C
Storage temperature range:
Component: –40°C to +85°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

Schematics

fa2469s.gif

Physical characteristics

fa2469dimensions.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 fa2469orientation.gif
450 330 100 13 38,4 32,4 24 16 4 2 9,04 0,45

General specification

Core Material:
Ferrite
Weight:
1.9 – 2.1 g
Packaging:
450 per 13″ reel Plastic tape: 24 mm wide, 0.45 mm thick, 16 mm pocket spacing, 9.04 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 with pure water or alcohol only. More Info.