Datasheet 3D Model
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Electrical specifications at 25°C.

Part number 1 Inductance (µH) 2
(Tolerance: ±10%)
Q typ
@ 2.5 MHz 3
SRF min (MHz) 4 Isat (A) 5 DCR max (Ω) 6 Imax (A)
ML413RAM272KRZ 2.7 22 70.0 0.80 0.210 0.57
  1. When ordering, specify termination code: ML413RAM103KRZ
  2. Inductance measured at 2.5 MHz using Coilcraft SMD-A fixture in an Agilent/HP 4286A impedance analyzer or equivalent with Coilcraftprovided correlation pieces.
  3. Q measured at 2.5 MHz using an Agilent/HP 4291A with an Agilent/HP 16197 test fixture or equivalents.
  4. SRF measured using an Agilent/HP 8753ES network analyzer or equivalent with a Coilcraft SMD-D fixture.
  5. DC current at which the inductance drops 10% (typ.) from its value without current.
  6. DCR measured on a Keithley 580 micro-ohmmeter or equivalent and a Coilcraft CCF858 test fixture.


  • R = Matte tin over nickel over silver-platinum glass frit.
  • L = Silver-palladium-platinum-glass frit. (Special order, added cost)
Ambient temperature range:
–55°C to +125°C with Imax current.
Storage temperature range:
Component: –65°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):

Performance curves

L vs Current

L vs Frequency

Q vs Frequency

Physical characteristics


Dimensions are in  inchesmm

Terminal dimensions are without optional solder applied. For dimensions with optional solder, add 0.006 inches / 0,152 mm.
Visit Color Codes for RF Inductors for an explanation of the color dots.

General specification

Core Material:
2000 per 7″ reel Plastic tape: 8 mm wide, 0.3 mm thick, 4 mm pocket spacing, 2.0 mm pocket depth.
Temperature coefficient of inductance:
+100 to +350 ppm/°C.


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.