Datasheet 3D Model
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ST432PNA123

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Specifications

Electrical specifications at 25°C.

Part number 1 Inductance (µH) 2
(Tolerance: ±20%)
DCR max (mΩ) SRF typ (MHz) 3 Isat (A) 4 Irms (A) 5
10% drop 20% drop 30% drop 20°C rise 40°C rise
ST432PNA123MLZ 12 280.000 55.0 0.47 0.55 0.60 0.75 1.00
Notes
  1. When ordering, please specify termination and screening codes: e.g. ST432PNA104MLZ.
  2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft SMD-A fixture in an Agilent/HP 4263B LCR meter or equivalent.
  3. SRF measured using an Agilent/HP 8753D network analyzer and a Coilcraft SMD -D test fixture.
  4. DC current at which the inductance drops the specified amount from its value without current.
  5. Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.

Termination:

  • L = Matte tin over nickel over phos bronze.
  • T = Tin-silver-copper (95.5/4/0.5). (Special order, added cost)
  • S = Tin-lead (63/37). (Special order, added cost)
Note: These inductors have internal parts that contain 100% tin.

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 Irms current.
Storage temperature range:
Component: –55°C to +125°C.
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

Typical L vs Current

Typical L vs Frequency

Physical characteristics

st432pna_dim.png

General specification

Core Material:
Ferrite
Weight:
81.0 – 87.8 mg
Packaging:
2000/13′′ reel; Plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 2.2 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.