Close up of ST450RAB273JLZ
Datasheet 3D Model
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ST450RAB273

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Specifications

Electrical specifications at 25°C.

Part number 1 Inductance (µH) 2
(Tolerance: ±5%)
Q typ
@ 790 kHz 3
SRF min (MHz) 4 DCR max (Ω) 5 Imax (mA)
ST450RAB273JLZ 27 24 27 3.6 200
Notes
  1. When ordering, please specify termination and testing codes: e.g. ST450RAB105JLZ.
  2. Inductance at 2.5 MHz measured using an Agilent/HP 4286A or equivalent and a Coilcraft SMD-A fixture with Coilcraft-provided correlation pieces. Inductance at 0.79 MHz measured using an Agilent/HP 4192A or equivalent and Coilcraft SMD-B test fixture.
  3. Q read at test frequency directly on an Agilent/HP 4395A impedance analyzer and an Agilent/HP 16193A test fixture or equivalents.
  4. SRF measured using an Agilent/HP 8753D network analyzer or equivalent and a Coilcraft SMD-D test fixture.
  5. DCR measured on a Cambridge Technology micro-ohmmeter or equivalent.

Termination:

  • L = Silver-palladium-platinum glass frit.
  • R = Tin over nickel over silver-platinum-glass frit. (Special order, added cost)
  • S = Tin-lead (63/37) over silver-platinum-glass frit. (Special order, added cost)
  • T = Tin-silver-copper (95.5/4/0.5) over silver-platinumglass frit. (Special order, added cost)
  • P = Tin-lead (63/37) over tin over nickel over silver-platinum-glass frit. (Special order, added cost)
  • Q = Tin-silver-copper (95.5/4/0.5) over tin over nickel over silver-platinum-glass frit. (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 +85°C with Imax current.
Storage temperature range:
Component: –55°C to +100°C.
Tape and reel 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

Physical characteristics

st450rabd.gif
 
A max B max C max D ref E F G H I J  
0.195 0.150 0.135 0.070 0.100 0.025 0.128 0.120 0.045 0.118 inches
4,95 3,81 3,43 1,78 2,54 0,64 3,25 3,05 1,14 3,00 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:
Ferrite
Packaging:
600 per 7″ reel Plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 3.7 mm pocket depth.
Temperature coefficient of inductance:
+200 to +700 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.