Datasheet 3D Model

ST336RAB Series

Chip Inductors for Critical Applications

ST336RAB Series offers lower DCR and higher current ratings than other 0805 Series.

Ferrite core surface mount inductors.
Available in inductance values from 0.078 to 27 μH, all at 2% and 5% tolerance.
Silver-palladium-platinum-glass frit terminations. Other terminations available at additional cost.

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Specifications

Electrical specifications at 25°C.

Part number 1	Inductance (µH) 2	Tolerance (%)	Q min 3	SRF min (MHz) 4	DCR max (Ω) 5	Imax (mA)	Color code
Part number 1	Inductance (µH) 2	Tolerance (%)	Q min 3	SRF min (MHz) 4	DCR max (Ω) 5	Imax (mA)	Color code
ST336RAB78N_RZ	0.078 @ 7.9 MHz	5,2	19 @ 7.9 MHz	1300	0.042	800	Black
ST336RAB111_RZ	0.11 @ 7.9 MHz	5,2	19 @ 7.9 MHz	1200	0.050	800	Brown
ST336RAB471_RZ	0.47 @ 7.9 MHz	5,2	19 @ 7.9 MHz	500	0.31	510	Red
ST336RAB681_RZ	0.68 @ 7.9 MHz	5,2	20 @ 7.9 MHz	400	0.46	430	Orange
ST336RAB102_RZ	1.0 @ 7.9 MHz	5,2	20 @ 7.9 MHz	340	0.69	280	Yellow
ST336RAB122_RZ	1.2 @ 7.9 MHz	5,2	15 @ 7.9 MHz	280	1.2	220	Brown
ST336RAB152_RZ	1.5 @ 7.9 MHz	5,2	20 @ 7.9 MHz	275	1.0	260	Green
ST336RAB182_RZ	1.8 @ 7.9 MHz	5,2	20 @ 7.9 MHz	246	1.2	250	Blue
ST336RAB222_RZ	2.2 @ 7.9 MHz	5,2	20 @ 7.9 MHz	106	1.3	240	Brown
ST336RAB272_RZ	2.7 @ 7.9 MHz	5,2	20 @ 7.9 MHz	105	1.5	230	Violet
ST336RAB332_RZ	3.3 @ 7.9 MHz	5,2	20 @ 7.9 MHz	83	1.6	220	Gray
ST336RAB392_RZ	3.9 @ 7.9 MHz	5,2	20 @ 7.9 MHz	52	1.7	210	White
ST336RAB472_RZ	4.7 @ 7.9 MHz	5,2	20 @ 7.9 MHz	50	1.9	200	Black
ST336RAB682_RZ	6.8 @ 7.9 MHz	5,2	20 @ 7.9 MHz	30	2.3	180	Brown
ST336RAB822_RZ	8.2 @ 2.5 MHz	5,2	18 @ 2.5 MHz	25	2.6	170	Red
ST336RAB103_RZ	10 @ 2.5 MHz	5,2	18 @ 2.5 MHz	21	3.5	160	Orange
ST336RAB153_RZ	15 @ 2.5 MHz	5,2	18 @ 2.5 MHz	17	5.0	130	Yellow
ST336RAB223_RZ	22 @ 2.5 MHz	5,2	18 @ 2.5 MHz	13	6.2	110	Green
ST336RAB273_RZ	27 @ 2.5 MHz	5,2	15 @ 2.5 MHz	11	11.0	80	Blue

Notes

When ordering, specify tolerance, termination and testing codes: e.g. ST336RAB273GLZ.
Inductance measured using a Coilcraft SMD-A fixture in an Agilent/HP 4286A impedance analyzer or equivalent with Coilcraft-provided correlation pieces.
Q measured on an Agilent/HP 4291A with an Agilent/HP 16197 test fixture or equivalents.
SRF measured using an Agilent/HP 8753ES network analyzer or equivalent with a Coilcraft SMD-D test fixture.
DCR measured on a Keithley 580 micro-ohmmeter or equivalent and a Coilcraft CCF858 test fixture.

Tolerance:

G = 2%
J = 5%

Termination:

L = Silver-palladium-platinum-glass frit.
T = Tin-silver-copper (95.5/4/0.5). (Special order, added cost)
S = Tin-lead (63/37). (Special order, added cost)

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 +100°C.
Packaging: –40°C to +80°C.

Maximum part temperature:

+100°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
0.090	0.075	0.063	0.020	0.050	0.020	0.040	0.070	0.040	0.030	inches
2,29	1,91	1,60	0,51	1,27	0,51	1,02	1,78	1,02	0,76	mm

Note: Dimensions are before optional 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:

Ceramic/Ferrite

Packaging:

2000 per 7′′ reel Plastic tape: 8 mm wide, 0.23 mm thick, 4 mm pocket spacing, 1.6 mm pocket depth.

Temperature coefficient of inductance:

+100 to +255 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.