# 4391-50 Pomona Attenuator New

**Features**

-   Use to add series resistance to coaxial lines with BNC connectors
-   BNC (M-F) RESISTOR ATTENUATOR, 50 OHM

**Specifications**

-   Resistance Value: 50Ω
-   Materials
-   Body and Fittings: Brass, Alloy 360, ½ Hard

Center Contact

-   Male Brass, Alloy 360, ½ Hard
-   Female: Beryllium Copper per ASTM B196 and B197 Cond. HT
-   Outer Contact: Beryllium Copper, per ASTM B196 and B197 Cond. HT.
-   Dielectric: Teflon per ASTM D1457
-   Gasket/Seals: Silicone rubber per ZZ-R-765, Class 11, Grade 50
-   Resistor: Non-inductive film resistor

Finish

-   Body and Fittings: Tarnish resistant
-   Center Contact
-   Male Gold plated
-   Outer Contact: Tarnish resistant
-   Marking: “Pomona 4391-50 2W”
-   50 Ohm Attenuator

Ratings

-   Operating Temperature: +102° C (+216° F) Max
-   Frequency Range: DC to 500 MHz
-   Resistance Tolerance: ±1%
-   Power: 2W @ 25° C. Max

The 4391-50 is an attenuator from Pomona.

## Details

- **Price:** 81.99 USD
- **Vendor:** Pomona
- **Type:** Atten Oth
- **Tags:** Attenuator, Manufacturers, Other, Other Equipment, Pomona, product_manual_group_2, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 81.99 USD | In stock |

## Images

- 4391-50 Pomona Attenuator

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> Source: [ValueTronics](https://valuetronics.com/products/4391-50-pomona-attenuator-new)
> Updated: 2026-05-21