4391-75

Attenuators Overview

The Pomona Electronics 4391-75 is a BNC in-line RF attenuator module designed for 75 Ohm systems. It provides a fixed attenuation value within the frequency range of 0 Hz to 500 MHz. The component features male and female BNC connectors for direct series connection. It supports a maximum power handling capacity of 2W and operates reliably within a temperature range of 0°C to +102°C. The unit exhibits a tolerance of ±1%.

Attenuators Feature Summary

• Provides fixed RF signal attenuation for 75 Ohm transmission lines
• Features BNC male-to-female in-line modular design for easy integration
• Maintains stable performance across a wide operating temperature range

Attenuators Applications

• RF signal level adjustment in broadcast equipment
• Impedance matching in 75 Ohm video distribution networks
• Test and measurement setups requiring precise signal reduction

Attenuators Procurement Notes

Verify the specific part number suffix to ensure compatibility with 75 Ohm system requirements. Confirm that the operating temperature range meets environmental conditions. Check RoHS compliance status if restricted substances are prohibited. Ensure connector gender matches the existing cabling infrastructure before purchase.

Attenuators Selection Notes

Select this model when a fixed attenuation value is required for 75 Ohm applications up to 500 MHz. Consider the 2W power rating for high-signal environments. Verify that the BNC interface aligns with current hardware. Evaluate thermal management needs given the upper temperature limit of +102°C.

Attenuators Part Context

This component belongs to the Pomona Electronics 4391 series of RF attenuators. It serves as a passive device for controlling signal strength in coaxial circuits. The module is distinct from adjustable variants, offering a permanent attenuation solution for standardized 75 Ohm installations.

Attenuators Replacement Considerations

No public confirmed substitute part numbers are available.