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Shielded SMD Power Inductors LanTu Micro SDRI74-6R8NT Designed for Automatic Mounting and Various Package Sizes

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Shielded SMD Power Inductors LanTu Micro SDRI74-6R8NT Designed for Automatic Mounting and Various Package Sizes

Current - Saturation (Isat) : 3.2A

Description : 3.2A SMD,7.5x7.5mm Fixed Inductors RoHS

Mfr. Part # : SDRI74-6R8NT

Model Number : SDRI74-6R8NT

Package : SMD,7.5x7.5mm

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Product Overview

The SDRI74 Series Shielded SMD Power Inductors from SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. are designed for high-performance power supply applications. These inductors feature a high saturation current, low DC resistance, and a closed magnetic circuit design to minimize leakage. Their highly accurate dimensions ensure suitability for automatic mounting, and they are available in various package sizes and a wide inductance range. These inductors comply with RoHS, Halogen Free, and REACH standards, making them ideal for use in VTRs, LCD televisions, notebook PCs, portable communication equipment, and DC/DC converters.

Product Attributes

  • Brand: LANTU MICRO ELECTRIC TECHNOLOGY
  • Origin: SHENZHEN, CHINA
  • Series: SDRI74
  • Product Type: Shielded SMD Power Inductors
  • Certifications: RoHS, Halogen Free, REACH Compliance
  • Magnetic Circuit Design: Closed magnetic circuit

Technical Specifications

Part No. Inductance (H) Tolerance Test Freq (L @ 0A) Q Factor Min (Test Freq) DCR () Max Saturation Current (A) Max Temperature Rise Current (A) Max Dimensions (LWH) (mm)
SDRI74-2R2N 2.2 30% 100KHz 30 (1MHz) 0.0147 5.20 5.00 7.57.54.5
SDRI74-3R3N 3.3 30% 100KHz 30 (1MHz) 0.0214 4.60 4.00 7.57.54.5
SDRI74-4R7N 4.7 30% 100KHz 30 (1MHz) 0.0310 3.80 3.40 7.57.54.5
SDRI74-6R8N 6.8 30% 100KHz 30 (1MHz) 0.035 3.20 2.30 7.57.54.5
SDRI74-8R2N 8.2 30% 100KHz 30 (1MHz) 0.042 3.00 2.10 7.57.54.5
SDRI74-100N 10 30% 100KHz 35 (1MHz) 0.049 2.95 1.84 7.57.54.5
SDRI74-120M 12 20% 100KHz 35 (1MHz) 0.058 2.85 1.71 7.57.54.5
SDRI74-150M 15 20% 100KHz 35 (1MHz) 0.081 2.80 1.47 7.57.54.5
SDRI74-180M 18 20% 100KHz 35 (1MHz) 0.091 2.50 1.31 7.57.54.5
SDRI74-220M 22 20% 100KHz 35 (1MHz) 0.110 2.10 1.23 7.57.54.5
SDRI74-270M 27 20% 100KHz 35 (1MHz) 0.150 1.90 1.12 7.57.54.5
SDRI74-330M 33 20% 100KHz 35 (1MHz) 0.170 1.80 0.96 7.57.54.5
SDRI74-390M 39 20% 100KHz 35 (1MHz) 0.230 1.70 0.91 7.57.54.5
SDRI74-470M 47 20% 100KHz 35 (1MHz) 0.260 1.50 0.88 7.57.54.5
SDRI74-560M 56 20% 100KHz 35 (1MHz) 0.350 1.32 0.75 7.57.54.5
SDRI74-680M 68 20% 1100KHz 35 (1MHz) 0.380 1.08 0.69 7.57.54.5
SDRI74-820M 82 20% 100KHz 35 (1MHz) 0.430 1.05 0.61 7.57.54.5
SDRI74-101M 100 20% 100KHz 40 (0.796MHz) 0.610 1.02 0.60 7.57.54.5
SDRI74-121M 120 20% 100KHz 40 (0.796MHz) 0.660 0.98 0.52 7.57.54.5
SDRI74-151M 150 20% 100KHz 40 (0.796MHz) 0.880 0.95 0.46 7.57.54.5
SDRI74-181M 180 20% 100KHz 40 (0.796MHz) 0.980 0.74 0.42 7.57.54.5
SDRI74-221M 220 20% 100KHz 40 (0.796MHz) 1.170 0.70 0.36 7.57.54.5
SDRI74-271M 270 20% 100KHz 40 (0.796MHz) 1.640 0.57 0.34 7.57.54.5
SDRI74-331M 330 20% 100KHz 40 (0.796MHz) 1.860 0.56 0.32 7.57.54.5
SDRI74-391M 390 20% 100KHz 40 (0.796MHz) 2.850 0.45 0.29 7.57.54.5
SDRI74-471M 470 20% 100KHz 40 (0.796MHz) 3.010 0.45 0.26 7.57.54.5
SDRI74-561M 560 20% 100KHz 40 (0.796MHz) 3.620 0.43 0.23 7.57.54.5
SDRI74-681M 680 20% 100KHz 40 (0.796MHz) 4.630 0.37 0.22 7.57.54.5
SDRI74-821M 820 20% 100KHz 40 (0.796MHz) 5.200 0.35 0.20 7.57.54.5
SDRI74-102M 1000 20% 100KHz 40 (0.796MHz) 6.000 0.33 0.18 7.57.54.5

Environmental Data

  • Operating Temperature: -55 to +125 (Including coils self-temperature rise)

Test Equipment

  • Inductance (L): HP4284A, HP4285A or equivalent LCR meter
  • Saturation Current (Isat) & Temperature Rise Current (Irms): HP4284+42841A or equivalent
  • Quality Factor (Q): HP4285A or equivalent
  • DC Resistance (DCR): Chroma 16502 or equivalent

Product Identification

Format: SDRI 74 470 M T

  • Type: SDRI (Shielded SMD Power Inductors)
  • Series: 74
  • Inductance: e.g., 470 (47 H)
  • Inductance Tolerance: J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30%
  • Packing: T (Tape & Reel), B (Bulk Package)

External Dimensions (LWH)

  • Series: SDRI74
  • Dimensions: 7.57.54.5 mm (Max)

Recommended Land Pattern

Part No. A (Max) B (Max) C (Max) D E F G H
SDRI74 7.5 7.5 4.5 1.8 5.0 1.6 4.8 2.2

Packaging

  • Tape and Reel Specifications: Available dimensions for tape and reel packaging.
  • Reel Dimensions: Available dimensions for reels.
  • Tape Dimension: Available dimensions for tape.
  • Cover tape peel off condition: Peel force 10 to 120g, Peel angle 165 to 180.
  • Packing Quantity: Specific quantities for Tape & Reel, Inside Box, and Outside Carton are detailed in the source document.

Reliability Testing

  • Terminal Strength: Tests for SMT and DIP terminals with specified forces and durations.
  • Resistance to Flexure: Test method and requirements for resistance to bending.
  • Dropping: Test method and requirements for dropping packaged products.
  • Solderability: Test method and requirements for solderability.
  • Vibration: Test method and requirements for vibration resistance.
  • Thermal Shock: Test method and requirements for thermal shock resistance.
  • Low temperature Storage: Test method and requirements for low temperature storage.
  • High temperature Storage: Test method and requirements for high temperature storage.
  • Damp Heat (Steady States): Test method and requirements for damp heat resistance.
  • Heat endurance of Reflow soldering: Test method and requirements for reflow soldering endurance.
  • Resistance to solvent test: Test method and requirements for resistance to solvents.
  • Overload test: Test method and requirements for overload conditions.
  • Voltage resistance test: Test method and requirements for insulation voltage resistance.

Recommended Reflow Soldering Curve

The recommended reflow conditions are provided as a guideline and should be adjusted based on specific user environments and equipment.

Reminders for Using These Products

  • Storage: Within 12 months, under conditions of 5~40C and 35~65% RH.
  • Environment: Avoid use and storage in corrosive gas environments (salt, acid, alkali, etc.).
  • Handling: Avoid touching terminals directly with bare hands; handle products carefully to prevent damage.
  • Terminal Bending: Do not bend terminals excessively to avoid wire fracture.
  • Cleaning: Do not rinse coils; contact the manufacturer if cleaning is necessary.
  • Magnetic Fields: Do not expose products to magnets or magnetic fields.
  • Preheating: Ensure preheating before soldering, with a temperature difference not exceeding 150C between solder and chip temperature.
  • Soldering Corrections: Perform corrections within specified conditions; overheating may cause issues.
  • Thermal Design: Allow sufficient margin for self-heating when power is on.
  • Layout: For non-magnetic shielded types, carefully consider coil placement on the PCB to prevent malfunction due to magnetic interference.

2410121442_LanTu-Micro-SDRI74-6R8NT_C19267878.pdf


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