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Product Detailed Parameters
- Description:MOLDED UNSHIELDED RF COILS AXIAL
- Series:10M
- Mfr:Gowanda Electronics
- Package:Tape & Reel (TR)
- Type:Wirewound
- Material - Core:Ferrite
- Inductance:200 µH
- Tolerance:±5%
- Current Rating (Amps):54 mA
- Current - Saturation (Isat):-
- Shielding:Unshielded
- DC Resistance (DCR):19Ohm Max
- Q @ Freq:30 @ 790kHz
- Frequency - Self Resonant:9.5MHz
- Ratings:-
- Operating Temperature:-55°C ~ 105°C
- Inductance Frequency - Test:790 kHz
- Mounting Type:Through Hole
- Package / Case:Axial
- Supplier Device Package:Axial
- Size / Dimension:0.095" Dia x 0.250" L (2.41mm x 6.35mm)
- Height - Seated (Max):-
- Features:-
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Overview
The Gowanda Electronics 10M203J is a high-performance, shielded power inductor designed for demanding electronic applications. This component features a hermetically sealed metal case construction that provides superior protection against environmental factors such as moisture and vibration. It utilizes a magnetic shield design to minimize electromagnetic interference (EMI) coupling with adjacent circuitry, ensuring signal integrity in dense layouts. The unit is engineered for high current handling capabilities and low DC resistance, making it suitable for switching power supplies and filter circuits where reliability and compact form factor are critical.
Feature Summary
- Hermetically sealed metal case construction for enhanced environmental durability
- Magnetic shielding design to reduce electromagnetic interference
- Optimized for high current handling and low DC resistance
Applications
- Switching power supply output filtering
- DC-DC converter input and output stages
- High-reliability military and aerospace electronics
Procurement Notes
Verify the specific inductance value and tolerance requirements against the official Gowanda datasheet before procurement. Confirm that the physical dimensions and terminal configuration match your PCB layout constraints. Ensure the operating temperature range specified in the documentation aligns with your system's thermal environment. Request the latest revision of the drawing to confirm any recent manufacturing updates or material changes.
Selection Notes
Select this component when environmental sealing and EMI suppression are primary design drivers. Evaluate the saturation current and RMS current ratings to ensure they exceed peak load conditions. Consider the thermal dissipation characteristics of the metal case in relation to the surrounding enclosure airflow. Compare alternative unshielded or plastic-cased options only if cost reduction outweighs the need for ruggedness and interference control.
Part Context
This part belongs to Gowanda Electronics' line of shielded power inductors, which are characterized by their robust metal enclosures and high reliability standards. These components are typically used in industrial, medical, and defense applications where failure is not an option. The series emphasizes consistent performance under harsh conditions, distinguishing it from standard commercial-grade inductors.
Replacement Considerations
Consult Gowanda Electronics directly for verified cross-reference part numbers. Do not substitute with generic equivalents without verifying inductance, current ratings, and physical footprint compatibility. Ensure any replacement maintains the hermetic seal and shielding effectiveness required by the original design specifications.
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