Datasheet 3D Model
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ST558PTA122

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Specifications

Electrical specifications at 25°C.

Part number 1 Inductance (µH) 2
(Tolerance: ±20%)
DCR max (mΩ) 3 SRF (MHz) 4 Isat (A) 5 Irms (A) 6
min typ 10% drop 20% drop 30% drop 20°C rise 40°C rise
ST558PTA122MLZ 1.2 6.0 63.7 91.0 20.5 21.0 21.3 11.0 15.0
Notes
  1. When ordering, please specify screening code: e.g. ST558PTA572MLZ.
  2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A or equivalent.
  3. . DCR measured on a micro-ohmmeter.
  4. SRF measured using an Agilent/HP 8753D network analyzer.
  5. Typical DC current at which the inductance drops the specified amount from its value without current.
  6. Typical current that causes the specified temperature rise from 25°C ambient.

Screening:

  • Z = Unscreened
  • Y = Unscreened (SLDC Option A)
  • W = Unscreened (SLDC Option B)
  • H = Group A screening per Coilcraft CP-SA-10001
  • G = Coilcraft CP-SA-10001 Group A (SLDC Option A)
  • D = Coilcraft CP-SA-10001 Group A (SLDC Option B)
All screening performed to the document’s latest revision.
Custom screening also available.
Environmental
Ambient temperature range:
–40°C to +85°C with Imax current.
Storage temperature range:
Component: –55°C to +125°C.
Tape and reel packaging: –55°C to +80°C.
Maximum part temperature:
+125°C (ambient + temp rise).
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Performance curves

L vs Current

L vs Frequency

Schematics

st558spta.gif

Physical characteristics

st558ptad.gif

Dimensions are in  inchesmm

General specification

Core Material:
Ferrite
Weight:
1.6 g
Packaging:
200/7″ reel Plastic tape: 24 mm wide, 0.4 mm thick, 16 mm pocket spacing, 5.45 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.