Multilayer Chip Ferrite Inductors FH CMI322513U4R7KT with Pure Silver Electrodes and NiSn Plated Terminals
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.
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