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Transformers for
Analog Devices ADM2485

  • Developed for use with Analog Devices ADM2485 Isolated RS-485 Transceiver
  • Center tapped primary and secondary
  • Versions for 3.3 V and for 5 V input
  • 2500 Vrms primary to secondary isolation
  • RoHS-compliant. 260°C compatible. Tin-silver over tin over nickel over phos bronze terminations.

Photo    Pricing    Materials declaration   PDF data sheet


SPECIFICATIONS

Dimensions     Schematic     Tape and reel specifications


DA2303-AL_ 5 V to 6 V 45.6 0.130 0.260 1.0 34.4 1 : 1.5
DA2304-AL_ 3.3 V to 6 V 17.8 0.086 0.232 0.43 21.5 1 : 2.2
1 When ordering, please specify termination and packaging codes: e.g. DA2303-ALD
  Termination: L = RoHS compliant tin-silver over tin over nickel over phos bronze
Special order: T
= RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37).
  Packaging: D = 13" machine-ready reel
EIA 481 embossed plastic tape (600 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.
2 Inductance is tested between pins 4 and 3 at 500 kHz, 0.5 Vrms, 0 Adc.
3 DCR is per winding.
4 Leakage inductance is for the primary with both windings connected in series and with the secondary windings shorted.
5 Volt-time product based on Bsat of the core at 25°C and number of turns on winding 4-3.
6 Ambient temperature range: –40°C to +125°C
7 Storage temperature range: Component: –40°C to +125°C
Packaging: –55°C to +80°C
8 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.
9 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.

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Updated: February 18, 2008