Datasheet 3D Model

ST336RAG Series

Chip Inductors for Critical Applications

ST336RAG Series features exceptional Q values, even at high frequencies.

Tight tolerances – 2% for most
Wirewound construction for highest possible self resonance – up to 9.5 GHz.
Matte tin over nickel over silver-platinum-glass frit. Other terminations available at additional cost.

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Specifications

Electrical specifications at 25°C.

Part number 1	Inductance (nH) 2	Tolerance (%) 3	Q typ 4	SRF typ (MHz) 5	DCR max (Ω) 6	Imax (mA) 7
Part number 1	Inductance (nH) 2	Tolerance (%) 3	Q typ 4	SRF typ (MHz) 5	DCR max (Ω) 6	Imax (mA) 7
ST336RAG2N6JR_	2.6 @ 250 MHz	5	100 @ 1500 MHz	9500	0.015	800
ST336RAG6N2JR_	6.2 @ 250 MHz	5	104 @ 1000 MHz	7200	0.027	800
ST336RAG6N8JR_	6.8 @ 250 MHz	5	90 @ 1000 MHz	6000	0.066	800
ST336RAG11N_R_	11 @ 250 MHz	5,2	93 @ 500 MHz	4750	0.039	800
ST336RAG12N_R_	12 @ 250 MHz	5,2	91 @ 500 MHz	4425	0.039	800
ST336RAG13N_R_	13 @ 250 MHz	5,2	91 @ 500 MHz	4100	0.039	800
ST336RAG15N_R_	15 @ 250 MHz	5,2	90 @ 500 MHz	3100	0.066	800
ST336RAG18N_R_	18 @ 250 MHz	5,2	95 @ 500 MHz	3650	0.050	800
ST336RAG27N_R_	27 @ 250 MHz	5,2	120 @ 500 MHz	2830	0.083	800
ST336RAG33N_R_	33 @ 250 MHz	5,2	100 @ 500 MHz	2410	0.087	800
ST336RAG47N_R_	47 @ 200 MHz	5,2	105 @ 500 MHz	2170	0.093	800
ST336RAG50N_R_	50 @ 200 MHz	5,2	115 @ 500 MHz	2010	0.122	800
ST336RAG56N_R_	56 @ 200 MHz	5,2	100 @ 500 MHz	1815	0.122	800
ST336RAG62N_R_	62 @ 200 MHz	5,2	114 @ 500 MHz	1820	0.144	800
ST336RAG75N_R_	75 @ 200 MHz	5,2	114 @ 500 MHz	1685	0.168	720
ST336RAG82N_R_	82 @ 150 MHz	5,2	103 @ 500 MHz	1525	0.168	720
ST336RAG101_R_	100 @ 150 MHz	5,2	100 @ 500 MHz	1400	0.220	690
ST336RAG121_R_	120 @ 150 MHz	5,2	80 @ 250 MHz	1265	0.293	600
ST336RAG151_R_	150 @ 100 MHz	5,2	80 @ 250 MHz	1150	0.288	590
ST336RAG181_R_	180 @ 100 MHz	5,2	77 @ 250 MHz	1025	0.374	520
ST336RAG201_R_	200 @ 100 MHz	5,2	75 @ 250 MHz	950	0.400	520
ST336RAG221_R_	220 @ 100 MHz	5,2	75 @ 250 MHz	930	0.426	500
ST336RAG251_R_	250 @ 100 MHz	5,2	74 @ 250 MHz	873	0.564	440
ST336RAG271_R_	270 @ 100 MHz	5,2	75 @ 100 MHz	830	0.754	340
ST336RAG291_R_	290 @ 100 MHz	5,2	54 @ 100 MHz	840	0.804	340
ST336RAG311_R_	310 @ 100 MHz	5,2	54 @ 100 MHz	820	0.824	340
ST336RAG331_R_	330 @ 100 MHz	5,2	54 @ 100 MHz	770	1.004	310
ST336RAG391_R_	390 @ 100 MHz	5,2	52 @ 100 MHz	700	1.110	280
ST336RAG471_R_	470 @ 50.0 MHz	5,2	52 @ 100 MHz	640	1.559	250
ST336RAG561_R_	560 @ 25.0 MHz	5,2	46 @ 100 MHz	550	2.067	210
ST336RAG681_R_	680 @ 25.0 MHz	5,2	46 @ 100 MHz	535	2.355	180
ST336RAG821_R_	820 @ 25.0 MHz	5,2	50 @ 100 MHz	485	3.945	150

Notes

When ordering, specify tolerance, termination and testing codes: e.g. ST336RAG821JRZ.
Inductance measured using a Coilcraft SMD-A fixture in an Agilent/ HP 4286A impedance analyzer with Coilcraft-provided correlation pieces.
Tolerances in bold are stocked for immediate shipment.
Q measured using an Agilent/HP 4291A with an Agilent/HP 16193 test fixture.
SRF measured using an Agilent/HP 8720D network analyzer and a Coilcraft SMD -D test fixture.
DCR measured on a Cambridge Technology micro-ohmmeter and a Coilcraft CCF858 test fixture.
Current that causes a 15°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.

Tolerance:

G = 2%
J = 5%

Termination:

R = Matte tin over nickel over silver-platinum-glass frit.
Q = Tin-silver-copper (95.5/4/0.5) over tin. (Special order, added cost)
P = non-RoHS tin-lead (63/37) over tin. (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 +125°C with Irms current

Storage temperature range:

Component: –55°C to +140°C
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+140°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

General specification

Core Material:

Ceramic

Weight:

9.5 – 12.5 mg

Packaging:

2000/7″ reel; 7500/13″ reel. Plastic tape: 8 mm wide, 0.23 mm thick, 4 mm pocket spacing, 1.65 mm pocket depth.

Temperature coefficient of inductance:

+100 to +250 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.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf.