Close up of ST350RAT5N4_LZ
Datasheet 3D Models
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ST350RAT5N4

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Specifications

Electrical specifications at 25°C.

ST350RAT Series

Part number 1 Turns Inductance (nH) 2 Tolerance (%) Q min
@ 800 MHz 3
SRF min (GHz) 4 DCR max (mΩ) 5 Imax (A)
ST350RAT5N4_LZ 5 5.4 5,2 100 > 5.0 8.0 1.6
Notes
  1. When ordering, specify tolerance, termination and testing codes: e.g. ST394RAT10GLZ.
  2. Inductance measured at 800 MHz on an Agilent/HP 4286A or equivalent with a Coilcraft SMD-A test fixture and correlation.
  3. Q measured at 800 MHz on an Agilent/HP 4291A or equivalent with a 16193A test fixture or equivalent.
  4. SRF measured on an Agilent/HP 8753ES or equivalent with a Coilcraft CCF1268 test fixture. Parts with SRF >5 GHz are verified to >5 GHz in screening.
  5. DCR measured on a Keithley 580 Micro-Ohmmeter or equivalent.

Tolerance:

  • G = 2%
  • J = 5%
  • = 10%

Termination:

  • L = Tin-silver over copper.
  • 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 +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

L vs Frequency – ST350RAT Series

Q vs Frequency – ST350RAT Series

L vs Frequency – ST394RAT Series

Q vs Frequency – ST394RAT Series

Physical characteristics

st350_394rat_dim.PNG

General specification

Weight:
ST350RAT: 6 mg – 18 mg; ST394RAT: 14 mg – 30 mg.
Packaging:
ST350RAT: 500 per 7″ reel Plastic tape: 8 mm wide, 0.3 mm thick, 4 mm pocket spacing, 1.5 mm pocket depth.
ST394RAT: 500 per 7″ reel Plastic tape: 12 mm wide, 0.3 mm thick, 4 mm pocket spacing, 1.6 mm pocket depth.
Temperature coefficient of inductance:
+5 to +70 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.