Close up of ST439RAT13N_SZ
Datasheet 3D Models
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ST439RAT13N

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Specifications

Electrical specifications at 25°C.

ST439RAT Series

Part number 1 Turns Inductance (nH) 2 Tolerance (%) Q min
@ 150 MHz 3
SRF min (GHz) 4 DCR max (mΩ) 5 Imax (A)
ST439RAT13N_SZ 4 12.5 5,2 137 3.3 3.4 4.0
Notes
  1. When ordering, please specify tolerance, termination and testing codes: e.g. ST470RAT43NGLZ.
  2. Inductance measured at 150 MHz on an Agilent/HP 4286A or equivalent with a Coilcraft SMD-A test fixture and correlation.
  3. Q measured at 150 MHz on an Agilent/HP 4291A or equivalent with a 16193A test fixture or equivalent.
  4. SRF measured on an Agilent/HP 8753ES network analyzer 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

Q vs Frequency

Physical characteristics

439_470ratd.gif
Dimensions are in  inchesmm

General specification

Weight:
48 – 188 mg
Packaging:
ST439RAT: 700/7″ reel Plastic tape: 12 mm wide, 0.32 mm thick, 8 mm pocket spacing, 3.3 mm pocket depth.
ST470RAT: 500/7″ reel Plastic tape: 16 mm wide, 0.28 mm thick, 8 mm pocket spacing, 3.4 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.