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High Saturation Current Shielded SMD Power Inductors LanTu Micro SMRH4D28-4R7NT for VTRs and OA Equipment

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High Saturation Current Shielded SMD Power Inductors LanTu Micro SMRH4D28-4R7NT for VTRs and OA Equipment

Current - Saturation (Isat) : 1.32A

Description : 1.32A SMD,4.7x4.7mm Fixed Inductors RoHS

Mfr. Part # : SMRH4D28-4R7NT

Model Number : SMRH4D28-4R7NT

Package : SMD,4.7x4.7mm

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Shielded SMD Power Inductors - SMRH4D28 Series

Product Overview
The SMRH4D28 Series Shielded SMD Power Inductors are designed for surface mounting applications, offering high saturation current and low DC resistance. Featuring a closed magnetic circuit design to minimize leakage, these inductors are available in various package sizes and inductance ranges. They are RoHS, Halogen Free, and REACH compliant, making them suitable for a wide array of electronic devices including VTRs, OA equipment, Notebook PCs, and portable communication devices, as well as DC/DC converters.

Product Attributes

  • Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
  • Series: SMRH4D28
  • Type: Shielded SMD Power Inductors
  • Certifications: RoHS, Halogen Free, REACH Compliance
  • Construction: Closed magnetic circuit design
  • Mounting Type: Surface Mounting

Technical Specifications

Part No. Inductance (H) Tolerance Test Freq. DCR Max () @ 0A Saturation Current Isat Max (A) Temperature Rise Current Irms Max (A) External Dimensions (LWH mm)
SMRH4D28-1R5N 1.5 30% 100KHz 0.023 2.56 2.56 5.05.03.0
SMRH4D28-2R2N 2.2 30% 100KHz 0.031 2.04 2.04 5.05.03.0
SMRH4D28-3R3N 3.3 30% 100KHz 0.049 1.57 1.57 5.05.03.0
SMRH4D28-3R9N 3.9 30% 100KHz 0.064 1.44 1.44 5.05.03.0
SMRH4D28-4R7N 4.7 30% 100KHz 0.072 1.32 1.32 5.05.03.0
SMRH4D28-6R8N 6.8 30% 100KHz 0.441 1.12 1.12 5.05.03.0
SMRH4D28-8R2N 8.2 30% 100KHz 0.694 1.04 1.04 5.05.03.0
SMRH4D28-100N 10 30% 100KHz 0.709 1.00 1.00 5.05.03.0
SMRH4D28-120M 12 20% 100KHz 0.131 0.84 0.84 5.05.03.0
SMRH4D28-150M 15 20% 100KHz 0.149 0.76 0.76 5.05.03.0
SMRH4D28-180M 18 20% 100KHz 0.166 0.72 0.72 5.05.03.0
SMRH4D28-220M 22 20% 100KHz 0.235 0.70 0.70 5.05.03.0
SMRH4D28-270M 27 20% 100KHz 0.261 0.58 0.58 5.05.03.0
SMRH4D28-330M 33 20% 100KHz 0.378 0.56 0.56 5.05.03.0
SMRH4D28-390M 39 20% 100KHz 0.383 0.50 0.50 5.05.03.0
SMRH4D28-470M 47 20% 100KHz 0.587 0.48 0.48 5.05.03.0
SMRH4D28-560M 56 20% 100KHz 0.624 0.41 0.41 5.05.03.0
SMRH4D28-680M 68 20% 100KHz 0.699 0.35 0.35 5.05.03.0
SMRH4D28-820M 82 20% 100KHz 0.914 0.32 0.32 5.05.03.0
SMRH4D28-101M 100 20% 100KHz 1.102 0.29 0.29 5.05.03.0
SMRH4D28-121M 120 20% 100KHz 1.127 0.27 0.27 5.05.03.0
SMRH4D28-151M 150 20% 100KHz 1.135 0.24 0.24 5.05.03.0
SMRH4D28-181M 180 20% 100KHz 1.154 0.22 0.22 5.05.03.0

Environmental Data

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

Product Identification

Format: SMRH 4D28

  • Type: SMRH (Shielded SMD Power Inductors)
  • Dimensions: 4D28 (5.05.03.0 mm)
  • Inductance: e.g., 100 (10 H)
  • Inductance Tolerance: J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30%
  • Packing: T (Tape & Reel), B (Bulk Package)

Recommended Land Pattern Dimensions (mm)

Part No. A (Max) B (Max) C (Max) D (Max) E (Max) F G H J
SMRH4D28 5.0 5.0 3.0 6.9 4.5 1.5 5.3 1.9 1.5

Packaging

  • Tape and Reel Specifications:
  • Reel Dimensions (mm): (Refer to datasheet for specific dimensions)
  • Tape Dimension (mm): W=12, P=8, W1=5.5
  • Cover tape peel off condition: Cover tape peel force 10 to 120g; Noodle strip peeling angle 165 to 180
  • Packing Quantity: Reel (2000 PCS), Inside Box (8,000 PCS), Outside Carton (32,000 PCS)

Reminders for Using These Products

  • Storage period within 12 months under conditions (5~40C, 35~65% RH).
  • Avoid use and storage in gas corrosive environments (salt, acid, alkali, etc.).
  • Do not touch electrodes directly with bare hands.
  • Handle products carefully to prevent damage.
  • Do not bend terminals excessively.
  • Do not rinse coils; contact manufacturer if cleaning is necessary.
  • Do not expose to magnets or magnetic fields.
  • Preheat components before soldering; temperature difference between solder and chip should not exceed 150C.
  • Soldering corrections after mounting should be within specifications.
  • Allow sufficient thermal design margin for self-heating during operation.
  • For non-magnetic shield types, careful coil layout is required to prevent malfunction due to magnetic interference.

2410121442_LanTu-Micro-SMRH4D28-4R7NT_C5127495.pdf
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