Datasheet 3D Model
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Electrical specifications at 25°C.

Part number 1 Inductance (µH) 2
(Tolerance: ±5%)
Impedance typ (Ω)
@ 10.0 MHz
Q min
@ 7.9 MHz 3
SRF min (MHz) 4 DCR max (Ω) 5 Imax (mA) Color code
ST336RAM682JRZ 6.8 450 14 28 1.90 150 Brown
  1. When ordering, please specify termination and screening codes: e.g. ST336RAM223JRZ.
  2. Inductance measured at 0.1 Vrms, using Coilcraft SMD-A fixture in Agilent/HP 4286A impedance analyzer or equivalent with Coilcraft-provided correlation pieces.
  3. Q measured on Agilent/HP 4291A with Agilent/HP 16197A test fixture or equivalents.
  4. SRF measured using Agilent/HP 8753ES network analyzer or equivalent with Coilcraft SMD-D test fixture.
  5. DCR measured on a Keithley 580 Micro-ohmmeter or equivalent with a Coilcraft CCF858 test fixture.


  • R = Matte tin over nickel over silver-platinum-glass frit.
  • Q= Tin-silver-copper (95.5/4/0.5) over tin over nickel over silver-platinum-glass frit. (Special order, added cost)
  • P = Tin-lead (63/37) over tin over nickel over silverplatinum-glass frit. (Special order, added cost)


  • Z = Unscreened
  • = Coilcraft CP-SA-10001 Group A
  • Screening performed to the document’s latest revision.
  • Lot qualification (Group B) available.
  • Custom testing also available.
  • Country of origin restrictions available; prefix options G or F.
Ambient temperature range:
–40°C to +85°C with Imax current.
Storage temperature range:
Component: –55°C to +100°C.
Packaging: –55°C to +80°C.
Maximum part temperature:
+100°C (ambient + temp rise).
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Performance curves

L vs Frequency

Q vs Frequency

Impedance vs Frequency

Physical characteristics

A max B max C max D ref E F G H I J  
0.090 0.068 0.060 0.020 0.050 0.016 0.040 0.070 0.040 0.030 inches
2,29 1,73 1,52 0,51 1,27 0,41 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:
16.7– 18.0 mg
2000/7″ reel; Plastic tape: 8 mm wide, 0.23 mm thick, 4 mm pocket spacing, 1.6 mm pocket depth.


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.