Close up of ST448RFT104BLZ
Datasheet 3D Model
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ST448RFT104

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Specifications

Part number 1 Lines Common mode
peak impedance (Ω)
Cutoff
frequency (kHz)
Inductance
min (mH) 2
Leakage
Inductance
max (nH)
Irms (mA) 3 DCR max (Ω) 4 Isolation
Voltage (Vrms)
ST448RFT104BLZ 2 640 @ 9.7 MHz 900 0.070 70.000 500 0.200 250
Notes
  1. When ordering, please specify testing code: e.g. ST448RFT474BLZ.
  2. Inductance is for each winding, measured at test frequency using a Voltech AT3600 or equivalent.
  3. Current that causes a 20°C temperature rise from 25°C ambient.
  4. DCR is specified per winding.

Termination:

  • L= RoHS compliant matte tin over nickel over phos-bronze

Testing:

  • Z = Unscreened
  • H = Group A screening per Coilcraft CP-SA-10001
All screening performed to the document’s latest revision.
Custom screening also available.
Environmental
Ambient temperature range:
–40°C to +85°C with Irms current.
Storage temperature range:
Component: –55°C to +105°C.
Tape and reel packaging: –40°C to +80°C.
Maximum part temperature:
+105°C (ambient + temp rise).
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Performance curves

Attenuation vs Frequency - Differential Mode

Attenuation vs Frequency - Common Mode

Impedance vs Frequency - Differential Mode

Impedance vs Frequency - Common Mode

Physical characteristics

st448rft_dim.PNG

General specification

Core Material:
Ferrite
Weight:
78 – 86 mg
Packaging:
600/7″ reel Plastic tape: 12 mm wide, 0.4 mm thick, 8 mm pocket spacing, 3.43 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.