MS450RAB393

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Specifications

Electrical specifications at 25°C.

Part number	Inductance (µH) 1 (Tolerance: ±5%)	Q typ @ 790 kHz 2	SRF min (MHz) 3	DCR max (Ω) 4	Imax (mA)
Part number	Inductance (µH) 1 (Tolerance: ±5%)	Q typ @ 790 kHz 2	SRF min (MHz) 3	DCR max (Ω) 4	Imax (mA)
MS450RAB393JSZ	39	20	19.0	4.5	185

Notes

Inductance at 2.5 MHz measured using an Agilent/HP 4286A and a Coilcraft SMD-A fixture with Coilcraft-provided correlation pieces. Inductance at 0.79 MHz measured using an Agilent/HP 4192A and Coilcraft SMD-B test fixture.
Q read at test frequency directly on an Agilent/HP 4192A LF impedance analyzer and a Coilcraft SMD-B test fixture.
SRF measured using an Agilent/HP 8753D network analyzer and a Coilcraft SMD-D test fixture.
DCR measured on a Cambridge Technology micro-ohmmeter.

Environmental

Ambient temperature range:

–55°C to +125°C with Imax current.

Storage temperature range:

Component: –55°C to +155°C.
Tape and reel packaging: –55°C to +80°C.

Maximum part temperature:

+155°C (ambient + temp rise).

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Performance curves

L vs Frequency

Q vs Frequency

Physical characteristics

A max	B max	C max	D ref	E	F	G	H	I	J
0.195	0.150	0.135	0.070	0.100	0.025	0.128	0.120	0.045	0.118	inches
4,95	3,81	3,43	1,78	2,54	0,64	3,25	3,05	1,14	3,00	mm

Note: Dimensions are before solder application. For maximum overall dimensions including solder, add 0.0025 in / 0,064 mm to B and 0.006 in / 0,15 mm to A and C.

General specification

Core Material:

Ferrite

Packaging:

600 per 7′′ reel Plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 3.7 mm pocket depth

Temperature coefficient of inductance:

+200 to +700 ppm/°C.

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.