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High Saturation Current LanTu Micro SDRI125-330MT Shielded SMD Power Inductor for DC DC Converters

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High Saturation Current LanTu Micro SDRI125-330MT Shielded SMD Power Inductor for DC DC Converters

Current - Saturation (Isat) : 3.58A

Description : 3.58A SMD,12.5x12.5mm Fixed Inductors RoHS

Mfr. Part # : SDRI125-330MT

Model Number : SDRI125-330MT

Package : SMD,12.5x12.5mm

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Product Overview

The SDRI125 Series Shielded SMD Power Inductors from SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. are designed for high saturation current and low DCR, featuring a closed magnetic circuit to minimize leakage. These inductors offer high-precision dimensions suitable for automatic mounting, available in various package sizes and inductance ranges. They comply with RoHS, Halogen Free, and REACH standards. Applications include power supplies for VTRs, LCD televisions, notebook PCs, portable communication equipment, and DC/DC converters.

Product Attributes

  • Brand: LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
  • Product Series: SDRI125 Series
  • Type: Shielded SMD Power Inductors
  • Certifications: RoHS, Halogen Free, REACH Compliance
  • Magnetic Circuit Design: Closed magnetic circuit
  • Mounting Type: SMD (Surface Mount Device)
  • Packaging Options: Bulk Package (B), Tape & Reel (T)

Technical Specifications

Part No. Inductance (H) Tolerance Test Frequency (L @ 0A) Q Factor Min (Test Freq) DCR () Max Saturation Current (A) Max Temperature Rise Current (A) Max
SDRI125-1R0N 1.0 30% 100KHz 20 (1MHz) 0.010 15.80 8.00
SDRI125-2R2N 2.2 30% 100KHz 20 (1MHz) 0.014 13.50 7.80
SDRI125-2R4N 2.4 30% 100KHz 20 (1MHz) 0.014 12.00 7.50
SDRI125-3R3N 3.3 30% 100KHz 20 (1MHz) 0.017 10.50 6.80
SDRI125-4R7N 4.7 30% 100KHz 30 (1MHz) 0.020 9.50 5.60
SDRI125-5R8N 5.8 30% 100KHz 30 (1MHz) 0.021 8.60 5.20
SDRI125-8R2N 8.2 30% 100KHz 30 (1MHz) 0.023 7.00 4.40
SDRI125-100N 10 30% 100KHz 35 (1MHz) 0.025 6.50 4.00
SDRI125-120M 12 20% 100KHz 35 (1MHz) 0.027 6.00 3.50
SDRI125-150M 15 20% 100KHz 35 (1MHz) 0.030 5.40 3.30
SDRI125-180M 18 20% 100KHz 35 (1MHz) 0.034 4.90 3.00
SDRI125-220M 22 20% 100KHz 35 (1MHz) 0.036 4.70 2.80
SDRI125-270M 27 20% 100KHz 35 (1MHz) 0.051 4.00 2.30
SDRI125-330M 33 20% 100KHz 35 (1MHz) 0.057 3.58 2.10
SDRI125-390M 39 20% 100KHz 35 (1MHz) 0.068 3.30 2.00
SDRI125-470M 47 20% 100KHz 35 (1MHz) 0.075 3.20 1.80
SDRI125-560M 56 20% 100KHz 35 (1MHz) 0.110 2.80 1.70
SDRI125-680M 68 20% 100KHz 35 (1MHz) 0.120 2.50 1.50
SDRI125-820M 82 20% 100KHz 35 (1MHz) 0.140 2.30 1.40
SDRI125-101M 100 20% 100KHz 40 (0.796MHz) 0.160 1.90 1.30
SDRI125-121M 120 20% 100KHz 40 (0.796MHz) 0.170 1.80 1.10
SDRI125-151M 150 20% 100KHz 40 (0.796MHz) 0.230 1.70 1.00
SDRI125-181M 180 20% 100KHz 40 (0.796MHz) 0.290 1.60 0.90
SDRI125-221M 220 20% 100KHz 40 (0.796MHz) 0.400 1.45 0.80
SDRI125-271M 270 20% 100KHz 40 (0.796MHz) 0.460 1.20 0.75
SDRI125-331M 330 20% 100KHz 40 (0.796MHz) 0.510 1.15 0.68
SDRI125-391M 390 20% 100KHz 40 (0.796MHz) 0.690 1.10 0.65
SDRI125-471M 470 20% 100KHz 40 (0.796MHz) 0.770 0.94 0.58
SDRI125-561M 560 20% 100KHz 40 (0.796MHz) 0.860 0.90 0.54
SDRI125-681M 680 20% 100KHz 40 (0.796MHz) 1.200 0.70 0.48
SDRI125-821M 820 20% 100KHz 40 (0.796MHz) 1.340 0.55 0.40
SDRI125-102M 1000 20% 100KHz 40 (0.796MHz) 1.530 0.44 0.35
Part No. External Dimensions (LWH) (mm) Inductance Tolerance
SDRI125 Series 12.312.36.0 J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30%

Key Definitions:

  • Saturation Current: DC current at which inductance drops 30% from its value without current.
  • Temperature Rise Current: The actual value of DC current when the temperature rise is T 40 (Ta=25).
  • Rated DC Current: The lesser value of Isat or Irms.

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
  • Quality Factor (Q): HP4285A or equivalent
  • DC Resistance (DCR): Chroma 16502 or equivalent

Packaging:

  • Tape and Reel Specifications: Dimensions are in mm.
  • Cover tape peel off condition: Cover tape peel force shall be 10 to 120g; Noodle strip peeling angle 165 to 180.
  • Packing Quantity: Varies by Part No. (e.g., SDRI125: REEL 500 PCS, Inside Box 1000 PCS, Outside Carton 4000 PCS)

Recommended Reflow Soldering Curve:

The recommended reflow conditions are set according to soldering equipment. Users should adjust and confirm according to their specific environment/equipment.

Reminders for Using These Products:

  • Storage: Within 12 months, under conditions of 5~40C and 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 from dropping.
  • Soldering: Preheat components before soldering; ensure temperature difference between solder and chip does not exceed 150C.
  • Thermal Design: Allow sufficient margin for self-heating when power is on.
  • Magnetic Fields: Do not place near magnets or magnetic objects.
  • Cleaning: Do not rinse coils; contact manufacturer if cleaning is necessary.

2410121442_LanTu-Micro-SDRI125-330MT_C7602852.pdf


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