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Product Detailed Parameters
- Description：RES CHAS MNT 50 OHM 5% 800W
- Series：CHF - RF Power
- Mfr：Bourns Inc.
- Package：Tray
- Function：Power Module
- Frequency：0Hz ~ 1GHz
- RF Type：-
- Secondary Attributes：-
- Mounting Type：Flange Mount
- Package / Case：Flat Box, Terminator
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The CHF190104EBF500L is a chassis-mounted power resistor manufactured by Bourns Inc. It features a 50-ohm resistance value with a ±5% tolerance and an 800W power rating. The component utilizes thick film composition technology and is designed for flange mounting. Its operational frequency range extends from 0Hz to 1GHz, making it suitable for high-power RF applications requiring precise termination.
Feature Summary
- High power dissipation capability of 800 watts for demanding load conditions
- Thick film construction ensures stability in RF environments up to 1GHz
- Chassis mount design facilitates efficient heat transfer via flange attachment
Applications
- RF power termination and matching networks
- High-power signal processing circuits
- Industrial RF heating systems
Procurement Notes
Verify the obsolete product status before procurement planning. Confirm that the flange mounting interface matches existing chassis specifications. Ensure thermal management solutions accommodate the 800W dissipation requirements. Validate that the 50-ohm impedance aligns with system design parameters. Check for available replacement components due to end-of-life status.
Selection Notes
Select this component when high power handling and RF stability are critical. The 50-ohm value is standard for RF systems. Consider the physical size constraints for chassis mounting. Evaluate thermal performance under continuous load conditions. Verify compatibility with surrounding electronic components regarding electromagnetic interference.
Part Context
This resistor belongs to Bourns' high-power chassis-mounted series. It is engineered for robust performance in industrial and RF applications. The thick film technology provides reliable operation across specified temperature ranges. It serves as a critical component for power dissipation in high-energy circuits.
Replacement Considerations
The part status is listed as obsolete. Designers should identify equivalent high-power 50-ohm resistors with similar wattage ratings and mounting configurations. Verify that any substitute maintains the required RF frequency response and thermal characteristics.
