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Compact Size LanTu Micro SCD3521-330MT Unshielded SMD Power Inductors with Silver Plated Construction

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Compact Size LanTu Micro SCD3521-330MT Unshielded SMD Power Inductors with Silver Plated Construction

Current - Saturation (Isat) : 600mA

Description : 600mA SMD,3.5x3mm Fixed Inductors RoHS

Mfr. Part # : SCD3521-330MT

Model Number : SCD3521-330MT

Package : SMD,3.5x3mm

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Unshielded SMD Power Inductors - SCD3521 Series

Product Overview

The SCD3521 Series Unshielded SMD Power Inductors are low-cost, silver-plated inductors designed for surface mounting equipment. They offer a compact size with high rated current capability and low DC resistance. These inductors are suitable for a wide range of applications including power supplies for VTRs, LCD televisions, notebook PCs, portable communication equipment, and DC/DC converters. They comply with RoHS, Halogen Free, and REACH standards.

Product Attributes

  • Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
  • Product Type: Unshielded SMD Power Inductors
  • Series: SCD3521
  • Design: Silver plated type, Low cost design
  • Certifications: RoHS, Halogen Free, REACH Compliance
  • Packaging Options: Bulk Package (B), Tape & Reel (T)

Technical Specifications

Part No Inductance (H) Inductance Tolerance Test Freq @0A SRF Typ (MHz) DCR Typ () Max Saturation Current (A) Max Temperature Rise Current (A) Max Dimensions (LWH) (mm)
SCD3521-1R0M 1.0 M (20%) 100KHz 120 0.045 3.30 2.20 3.52.1
SCD3521-1R2M 1.2 M (20%) 100KHz 100 0.050 3.00 2.10 3.52.1
SCD3521-1R5M 1.5 M (20%) 100KHz 85 0.055 2.70 1.70 3.52.1
SCD3521-1R8M 1.8 M (20%) 100KHz 75 0.070 2.50 1.65 3.52.1
SCD3521-2R2M 2.2 M (20%) 100KHz 62 0.085 2.30 1.60 3.52.1
SCD3521-2R7M 2.7 M (20%) 100KHz 53 0.100 2.20 1.40 3.52.1
SCD3521-3R3M 3.3 M (20%) 100KHz 47 0.120 1.95 1.04 3.52.1
SCD3521-3R9M 3.9 M (20%) 100KHz 41 0.125 1.85 1.00 3.52.1
SCD3521-4R7M 4.7 M (20%) 100KHz 38 0.135 1.60 1.00 3.52.1
SCD3521-5R6M 5.6 M (20%) 100KHz 33 0.145 1.55 0.95 3.52.1
SCD3521-6R8M 6.8 M (20%) 100KHz 31 0.200 1.40 0.95 3.52.1
SCD3521-8R2M 8.2 M (20%) 100KHz 27 0.250 1.20 0.92 3.52.1
SCD3521-100M 10 M (20%) 100KHz 23 0.320 1.05 0.90 3.52.1
SCD3521-120M 12 M (20%) 100KHz 21 0.350 1.00 0.85 3.52.1
SCD3521-150M 15 M (20%) 100KHz 19 0.460 0.90 0.75 3.52.1
SCD3521-180M 18 M (20%) 100KHz 17 0.520 0.80 0.70 3.52.1
SCD3521-220M 22 M (20%) 100KHz 15 0.650 0.75 0.60 3.52.1
SCD3521-270M 27 M (20%) 100KHz 14 0.750 0.70 0.55 3.52.1
SCD3521-330M 33 M (20%) 100KHz 12 0.920 0.60 0.50 3.52.1
SCD3521-390M 39 M (20%) 100KHz 11 1.120 0.55 0.48 3.52.1
SCD3521-470M 47 M (20%) 100KHz 10 1.270 0.50 0.45 3.52.1
SCD3521-560M 56 M (20%) 100KHz 9.3 1.500 0.45 0.30 3.52.1
SCD3521-680M 68 M (20%) 100KHz 8.4 2.000 0.40 0.26 3.52.1
SCD3521-820M 82 M (20%) 100KHz 7.5 2.150 0.35 0.23 3.52.1
SCD3521-101M 100 M (20%) 100KHz 6.8 2.800 0.34 0.20 3.52.1
SCD3521-121M 120 M (20%) 100KHz 6.2 3.400 0.33 0.18 3.52.1
SCD3521-151M 150 M (20%) 100KHz 5.5 4.200 0.28 0.16 3.52.1
SCD3521-181M 180 M (20%) 100KHz 5.0 4.500 0.27 0.15 3.52.1
SCD3521-221M 220 M (20%) 100KHz 4.5 5.700 0.25 0.14 3.52.1
SCD3521-271M 270 M (20%) 100KHz 4.0 8.500 0.22 0.10 3.52.1
SCD3521-331M 330 M (20%) 100KHz 3.6 9.500 0.19 0.09 3.52.1

Environmental Data

  • Operating Temperature: -40 to +125 (Including coils self-temperature rise)

Test Equipment

  • Inductance (L): HP4284A, HP4285A LCR meter or equivalent
  • Saturation Current (Isat) & Temperature Rise Current (Irms): HP4284+42841A or equivalent
  • Self-Resonant Frequency (SRF): Agilent E4991A or equivalent
  • DC Resistance (DCR): Chroma 16502 or equivalent

Product Identification

Format: SCD 3521 [Inductance Value] [Tolerance] [Packing Type]

  • Type: SCD (Unshielded SMD Power Inductors)
  • Dimensions (LWH): 3.52.1 mm
  • Inductance Tolerance: J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30%
  • Packing: B (Bulk Package), T (Tape & Reel)

Shape and Dimensions

Part No A (mm) B (mm) C (mm) D (mm) H (mm) I (mm) J (mm)
SCD3521 3.50.3 3.00.3 2.10.3 1.0 3.5 1.6 0.8

Product Packaging

Refer to the provided diagrams for Tape and Reel Specifications, Reel Dimensions, and Tape Dimensions.

Reminders for Using These Products

  • Storage: Within 12 months; Conditions: 5~40C, 35~65% RH.
  • Environment: Avoid gas corrosive environments (salt, acid, alkali, etc.).
  • Handling: Avoid direct contact with terminals due to hand oils. Handle carefully to prevent damage.
  • Bending: Do not bend terminals excessively to prevent wire fracture.
  • Cleaning: Do not rinse coils; contact manufacturer if cleaning is necessary.
  • Magnetic Fields: Do not expose to magnets or magnetic fields.
  • Preheating: Preheat components before soldering; temperature difference between solder and chip should not exceed 150C.
  • Soldering Corrections: Perform within specified conditions; overheating can cause issues.
  • Thermal Design: Account for self-heating when power is applied.
  • Layout: For non-magnetic shield types, careful coil placement on the PCB is needed to avoid malfunctions due to magnetic interference.

2410121451_LanTu-Micro-SCD3521-330MT_C5127328.pdf


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