Datasheet 3D Model

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ST358PWA472

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Specifications

Electrical specifications at 25°C.

Part number 1	Inductance (µH) 2 (Tolerance: ±20%)	DCR (Ω) 3		SRF typ (MHz) 4	Isat (mA) 5			Irms (A) 6
Part number 1	Inductance (µH) 2 (Tolerance: ±20%)	typ	max	SRF typ (MHz) 4	10% drop	20% drop	30% drop	20°C rise	40°C rise
ST358PWA472MLZ	4.7	0.231	0.254	46	380	650	880	0.79	1.06

Notes

When ordering, please specify screening code: e.g. ST358PWA103MLZ.
Inductance tested at 100 kHz, 0.1 Vrms, 0 Adc.
DCR measured on a micro-ohmmeter.
SRF measured using Agilent/HP 4395A network analyzer or equivalent.
DC current at which the inductance drops from its value without current.
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 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):

See FIT/MTBF Calculations

Performance curves

Typical L vs Frequency

Typical L vs Current

Physical characteristics

Dimensions are in inches / mm

Small surface blemishes are not unusual and do not adversely affect performance.
Wire may be visible inside the voids.
Acceptable void sizes:
Top: 0.01 in / 0,254 mm × 0.01 in / 0,254 mm
Sides: 0.02 in / 0,5 mm × 0.047 in / 1,2 mm

Part marking

Part number	Value	1st digit	2nd digit	Multiplier
ST358PWA-271	0.27 µH	Red	Violet	Brown
ST358PWA-421	0.42 µH	Yellow	Red	Brown
ST358PWA-601	0.60 µH	Blue	Black	Brown
ST358PWA-821	0.82 µH	Gray	Red	Brown
ST358PWA-102	1.0 µH	Brown	Black	Red
ST358PWA-152	1.5 µH	Brown	Green	Red
ST358PWA-222	2.2 µH	Red	Red	Red
ST358PWA-332	3.3 µH	Orange	Orange	Red
ST358PWA-472	4.7 µH	Yellow	Violet	Red
ST358PWA-682	6.8 µH	Blue	Gray	Red
ST358PWA-822	8.2 µH	Gray	Red	Red
ST358PWA-103	10 µH	Brown	Black	Orange

Note: All marked parts have three dots. Black dot, used only on -601, -102 and -103 as second significant digit, may be very difficult to see.

General specification

Core Material:

Ferrite

Weight:

20 – 25 mg

Packaging:

2000/7′′ reel; 7500/13′′ reel Plastic tape: 8 mm wide, 0.28 mm thick, 4 mm pocket spacing, 1.65 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.