Datasheet 3D Model
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ST235RAA16N

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Specifications

Electrical specifications at 25°C.

Part number 1 Inductance (nH) 2 Tolerance (%) 900 MHz 1.7 GHz Q min
@ 250 MHz 3
SRF min (GHz) 4 DCR max (Ω) 5 Imax (mA)
L typ Q typ 3 L typ Q typ 3
ST235RAA16N_LZ 16 5,2,1 16.6 46 18.86 47 23 3.05 0.220 480
Notes
  1. When ordering, specify tolerance, termination and screening codes: e.g. ST235RAA12NGRZ.
  2. Inductance measured at 250 MHz using a Coilcraft SMD-F test fixture and Coilcraft-provided correlation pieces with an Agilent/HP 4286A impedance analyzer or equivalent.
  3. For Q min: Q measured at 250 MHz using an Agilent/HP 4291A with an Agilent/ HP 16197A test fixture or equivalents.
    For Q typ: Q measured using an Agilent/HP 4291A with an Agilent/HP 16197A test fixture or equivalents.
  4. SRF measured using an Agilent/HP 8753ES network analyzer and a Coilcraft CCF1232 test fixture.
  5. DCR measured on a Keithley 580 micro-ohmmeter and a Coilcraft CCF1010 test fixture.

Tolerance:

  • F = 1%
  • G = 2%
  • J = 5%

Termination:

  • R = Matte tin over nickel over silver-platinum glass frit.
  • A = Gold over nickel over moly-mag.
  • L = Silver-palladium-platinum glass frit.
  • P = Tin-lead (63/37) over tin over nickel over silver-platinum-glass frit.
  • = Tin-silver-copper (95.5/4/0.5) over tin over nickel over silver-platinum-glass frit.
  • C = Tin-lead (63/37) over gold over nickel over moly-mag.
  • F = Tin-silver-copper (95.5/4/0.5) over gold over nickel over moly-mag.
  • S = Tin-lead (63/37) over silver-platinum-glass frit.
  • T = Tin-silver-copper (95.5/4/0.5) over silver-platinum glass frit.

Screening:

  • 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.
Environmental
Ambient temperature range:
–40°C to +125°C with Imax current.
Storage temperature range:
Component: –55°C to +140°C.
Tape and reel packaging: –55°C to +80°C.
Maximum part temperature:
+140°C (ambient + temp rise).
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Performance curves

Typical L vs Frequency

Typical Q vs Frequency

Physical characteristics

st235raa_dim.PNG

General specification

Core Material:
Ceramic
Weight:
0.80 – 1.0 mg
Packaging:
2000 per 7″ reel Paper tape: 8 mm wide, 0.68 mm thick, 2 mm pocket spacing.
Temperature coefficient of inductance:
+25 to +155 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.