4448-18L

4448-18L

$6.26
  • Description:INDUCT ARRAY 2 COIL 20UH SMD
  • Series:4448
  • Mfr:Delevan
  • Package:Tape & Reel (TR)

SKU:6269439187f8 Category: Brand:

  
  • Quantity
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Product Detailed Parameters

  • Description:INDUCT ARRAY 2 COIL 20UH SMD
  • Series:4448
  • Mfr:Delevan
  • Package:Tape & Reel (TR)
  • Number of Coils:2
  • Inductance - Connected In Parallel:20 µH
  • Inductance - Connected In Series:80 µH
  • Tolerance:±15%
  • Current Rating - Parallel:1.9 A
  • Current Rating - Series:950 mA
  • DC Resistance (DCR) - Parallel:85mOhm Max
  • DC Resistance (DCR) - Series:340mOhm Max
  • Shielding:Unshielded
  • Operating Temperature:-55°C ~ 125°C
  • Mounting Type:Surface Mount
  • Package / Case:Nonstandard
  • Size / Dimension:0.530" L x 0.530" W (13.46mm x 13.46mm)
  • Height:0.310" (7.87mm)
  • Current Saturation - Parallel:-
  • Current Saturation - Series:-
  • Ratings:-

Download product information

4448-18L

Buying Guide
Summary

Delevan 4448-18L is a component in Arrays, Signal Transformers category typically evaluated for fit, operating limits, and supportability in production. Key specs include Description (INDUCT ARRAY 2 COIL 20UH SMD), Series (4448), Packaging (Tape & Reel (TR)), Temperature (-55°C ~ 125°C), and Package/case (Nonstandard).

Selection Notes
  • For 4448-18L, make sure the mounting type (Surface Mount) matches how the part will be installed and inspected.
  • Check the tolerance (±15%) and the relevant test conditions in the datasheet.
  • Confirm the operating temperature range (-55°C ~ 125°C) meets your deployment conditions.
  • Confirm Inductance - Connected In Series (80 µH) meets your design constraints and system-level expectations.
Alternates & Substitutions
  • For Arrays, Signal Transformers, treat alternates as an integration task and validate the assumptions that matter on the assembled system.
  • Begin with the constraints that are hardest to change later: package/case Nonstandard, mounting Surface Mount, packaging Tape & Reel (TR).
  • Make sure the alternate stays inside your system envelope: temperature -55°C ~ 125°C.
  • Confirm compliance/qualification needs (for example RoHS/REACH or grade) before approving a second source for production.
FAQ

Who is the manufacturer of 4448-18L?
Delevan

What should I verify before using 4448-18L in production?
Confirm footprint/pinout, min/max ratings, operating temperature, and the datasheet test conditions behind key specifications.

What package type does 4448-18L come in?
Nonstandard

What is the DC Resistance (DCR) - Parallel of 4448-18L?
85mOhm Max

Application Scenarios

In real deployments, across production Arrays, Signal Transformers builds, parts like Delevan 4448-18L are shortlisted for predictable behavior, clear documentation, and stable supply. In real deployments, designers generally validate turns ratio, leakage, insulation system, creepage/clearance, and thermal rise at operating frequency. They often define safety margins and EMC behavior in SMPS, PoE, pulse transmission, and sensing solutions. In medical devices, isolation and creepage/clearance are treated as safety-critical design requirements. In industrial SMPS, transformer design determines safety margins and efficiency inside sealed enclosures with limited airflow. In measurement systems, current-sense and pulse transformers enable clean transmission under high dv/dt switching conditions. In telecom power modules, isolation supports stable operation and regulatory compliance across multi-board systems.

Compatibility Advice
  • For compatibility, validate parasitics and resonance in the real layout so high-frequency behavior does not create surprises in EMI and stability before committing to volume builds.
  • For production stability, validate losses, thermal rise, and saturation under the real waveform so efficiency and temperature margins hold after heat soak. This helps field behavior stay predictable across lots.
Project Fit
  • Usually not a good fit when integrating Delevan 4448-18L for Arrays, Signal Transformers, derating and self-heating cannot be verified, so performance drift may appear after deployment, because the integration depends on constraints that cannot be controlled across builds.
  • Strongest fit when you can verify Delevan 4448-18L for Arrays, Signal Transformers integration across temperature and supply corners, if you can validate derating, self-heating, and frequency behavior on the assembled system.
4448-18L4448-18L
$6.26
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