Beijing Silk Road Enterprise Management Services Co., Ltd.
                                                                                                           
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Multilayer Chip Ferrite Inductors FH CMI322513U4R7KT with Pure Silver Electrodes and NiSn Plated Terminals

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Product Description

Product Overview

The CMI322513 Series are multilayer chip ferrite inductors designed for various electronic applications. These inductors are constructed with a ferrite or ceramic body, inner electrodes made of pure silver, and terminal electrodes plated with Ni/Sn. They offer a range of inductance values with tight tolerances and are suitable for reflow soldering processes. The product series is manufactured in China and adheres to RoHS directives if designated as "Unitary lead free.".

Product Attributes

  • Product Type: Multilayer Chip Ferrite Inductors
  • Series: CMI322513 Series
  • Manufacturer Origin: China (implied by document language and structure)
  • Body Material: Ferrite (Ni-Cu-Zn system) or Ceramic
  • Inner Electrode Material: Pure Silver (Ag)
  • Terminal Electrode Material: Silver Layer (Ag) with Ni/Sn plating
  • Certifications: RoHS compliant (if designated "Unitary lead free")

Technical Specifications

Part Number Tolerance (%) Inductance (H) Q Value (min) DC Resistance () max Test Frequency (MHz) Test Voltage (mV) SRF (MHz) min Rated Current (mA) max
CMI322513U1R0KT 10 1.0 40 0.20 10 50 70 600
CMI322513U1R2KT 10 1.2 40 0.20 10 50 70 600
CMI322513U1R5KT 10 1.5 40 0.30 10 50 70 500
CMI322513U1R8KT 10 1.8 40 0.30 10 50 70 500
CMI322513U2R2KT 10 2.2 40 0.30 10 50 50 500
CMI322513U2R7KT 10 2.7 40 0.30 10 50 50 500
CMI322513U3R3KT 10 3.3 40 0.40 10 50 50 500
CMI322513U3R9KT 10 3.9 40 0.40 10 50 30 500
CMI322513U4R7KT 10 4.7 40 0.50 10 50 30 500
CMI322513U5R6KT 10 5.6 35 0.60 4 50 30 450
CMI322513X6R8KT 10 6.8 35 0.60 4 50 20 450
CMI322513X8R2KT 10 8.2 35 0.70 4 50 20 400
CMI322513X100KT 10 10 35 0.70 2 50 20 400
CMI322513X120KT 10 12 35 0.70 2 50 20 400
CMI322513J150KT 10 15 35 0.70 1 50 20 300
CMI322513J180KT 10 18 35 0.70 1 50 10 300
CMI322513J220KT 10 22 35 0.75 1 50 10 250
CMI322513J270KT 10 27 35 0.75 1 50 10 250
CMI322513J330KT 10 33 35 0.80 1 50 10 250
CMI322513J390KT 10 39 35 0.80 1 50 10 250
CMI322513J470KT 10 47 35 1.00 1 50 10 200
CMI322513J560MT 20 56 35 1.20 1 50 5 200
CMI322513J680MT 20 68 35 1.30 1 50 5 150
CMI322513J820MT 20 82 35 1.50 1 50 5 150
CMI322513J101MT 20 100 35 1.50 1 50 5 150
CMI322513J121MT 20 120 35 1.80 1 50 5 150
Size L (mm) W (mm) T (mm) Terminal Electrode (mm)
322513 3.20.20 2.50.20 1.30.20 0.50.3

Reliability Testing Items

No. Item Requirements Test Methods and Remarks
1 Operating Temperature Range -40+85
2 Solder ability At least 95% of terminal electrode should be covered with solder Preheating temperature:120 to 150; Preheating time: 60s; Solder: 96.5%Sn/3.0%Ag/0.5%Cu; Solder temperature: 2455; Immersion tin depth:10mm; Duration : 51s
3 Resistance to Soldering At least 95% of terminal electrode should be covered with solder. No mechanical damage. Inductance change: U:20%, X:25%, J:30%. Q value change(ferrite): within 30% Preheating temperature: 120 to 150; Preheating time: 60s; Solder: 96.5%Sn/3.0%Ag/0.5%Cu; Solder temperature: 2605; Immersion tin depth:10mm; Duration : 101s
4 Adhesion of electrode The termination and body should be no damage. Applied force: 15N for 3225 series. Keep time: 101S
5 Low temperature resistance No mechanical damage. Inductance change: within 10%. Q value change(ferrite): within 30% Temperature:-402; Testing time: 1000 24 0 h
6 Bending strength No mechanical damage. Testing board: glass epoxy-resin substrate; For 0.5 mm/s compression speed, curvature: 2mm, hold time 20s1s
7 Vibration No mechanical damage. Inductance change: within 10%. Q value change(ferrite): within 30% Amplitude modulation: 1.5mm; Test time: 2h in each of 3 mutually perpendicular directions. Frequency range: 10Hz to 55Hz to 10Hz for 1min.
8 High temperature resistance No mechanical damage. Inductance change: within 10%. Q value change(ferrite): within 30% Testing time: 1000 24 0 h; Temperature: 852
9 Static Humidity No mechanical damage. Inductance change: within 10%. Q value change(ferrite): within 30% Humidity: 90% to 95% RH; Temperature: 602; Testing time: 1000 24 0 h
10 High temperature load No mechanical damage. Inductance change: within 10%. Q value change(ferrite): within 30% Impose current: at rated current; Testing time: 1000 24 0 h; Temperature: 852
11 Temperature Shock No mechanical damage. Inductance change: within 10%. Q value change(ferrite): within 30% Temperature: -40 for 303min +85 for 303min; Number of cycles: 32

Packaging

Size Pieces per REEL Pieces per BOX Pieces per CASE
322513 3000 30000 180000

Recommended Soldering Conditions

Reflow Soldering:

  • Pre-heating temperature difference between solder and ferrite surface should not exceed 150.
  • Cooling temperature difference into solvent after soldering should not exceed 100.
  • Soldering should be performed within the allowable range indicated by the reflow soldering profile curve.

Iron Soldering:

  • Soldering Iron Temperature: 350 (Max)
  • Power: 30W (Max)
  • Soldering Time: < 5S (Avoid applying the soldering iron tip to the terminal electrodes).

Cleaning Conditions

  • Cleaning Temperature: 60 (Max)
  • Cleaning Time: 1 minute (Min)
  • Ultrasonic Output Power: 200W (Max)

Storage Requirements

Storage Period: Within 1 year from the inspection date at the inductor company. If exceeding 1 year, solderability must be checked before use.

Storage Conditions:

  • Warehouse Temperature: -10 to +40
  • Relative Humidity: 30% to 70%
  • Do not store in corrosive substances (sulfur, chlorine gas, acid).
  • Store on a shelf to prevent influence from humidity and dust.
  • Avoid heat shock, vibration, and direct sunlight.
  • Products should be stored in airtight packaging.

Usage Of ODS (Ozone Depleting Substances)

The company does not use ODS such as CCl4 (Carbon Tetrachloride) and HCFC in its production processes.

Notes

  • If the product is designated as "Unitary lead free", it complies with RoHS directive requirements.
  • This specification guarantees the quality of the product as a single unit. Ensure your product has been evaluated and confirmed against your specifications when this product is mounted.
  • The company does not warrant against failure caused by any use of the product that deviates from the intended use as described in this product specification.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Beijing Silk Road Enterprise Management Services Co., Ltd.
Location 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person Sellina

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