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Product Detailed Parameters
- Description：HIGH CURRENT SMD POWER INDUCTOR
- Series：CTXAL4020F
- Mfr：Central Technologies
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：-
- Inductance：220 nH
- Tolerance：±20%
- Current Rating (Amps)：16.8 A
- Current - Saturation (Isat)：18.8A
- Shielding：Shielded
- DC Resistance (DCR)：4.6mOhm Max
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Inductance Frequency - Test：100 kHz
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Supplier Device Package：-
- Size / Dimension：0.161" L x 0.161" W (4.10mm x 4.10mm)
- Height - Seated (Max)：0.083" (2.10mm)
- Features：-
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Overview
The CTXAL4020F-R22M is a shielded surface-mount power inductor from Central Technologies, designed for high-current applications. It features a fixed inductance of 220 nH with a maximum DC resistance of 4.6 mOhm. The component supports a saturation current of 16.8 A and operates within a temperature range of -40°C to 125°C. Testing is conducted at 100 kHz. This nonstandard form factor inductor integrates a shielded design to minimize electromagnetic interference while maintaining efficiency in compact power supply circuits.
Feature Summary
- Shielded construction reduces electromagnetic interference
- High current handling capability for power applications
- Surface mount mounting type for automated assembly
Applications
- DC-DC converter circuits
- Power supply filtering
- High-current signal processing
Procurement Notes
Verify the specific suffix R22M confirms the 220 nH inductance value and 16.8 A current rating. Ensure the surface mount footprint matches the PCB layout requirements. Confirm the operating temperature range meets the environmental specifications of the target application. Cross-reference the manufacturer datasheet for precise mechanical dimensions and soldering recommendations to ensure reliable integration.
Selection Notes
Select this component when a compact shielded inductor with high current capacity is required. The low DC resistance minimizes power loss in high-current paths. Consider the 220 nH value for applications requiring fast transient response. Evaluate the physical size constraints against the available board space. Ensure the thermal performance aligns with the system's heat dissipation capabilities under continuous load conditions.
Part Context
This part belongs to the CTXAL4020F series of power inductors from Central Technologies. The series offers various inductance values tailored for different power management needs. The F suffix typically denotes specific tolerance or packaging variations within the product line. Understanding the broader series helps in identifying compatible alternatives or upgrades for existing designs requiring similar electrical characteristics.
Replacement Considerations
Direct substitutes include other shielded SMD power inductors with comparable 220 nH inductance and current ratings. Verify pin compatibility and thermal performance before substitution. Consult manufacturer cross-reference lists for verified equivalent parts.
