# 25-A-MFN-10 Bird Fixed Attenuator Used

**Additional Features:**

-   Power Rating: 25 W
-   Connector: Male/Female N
-   Attenuation Value: 10 dB
-   VSWR and Frequency Range: 1.10:1 from DC to 1 GHz; 1.25:1 from 1 to 4 GHz
-   Coolant Method: Dry, Convection Cooled
-   Impedance Ω: 50 Ohm
-   Operating Position: Any
-   Ambient Temperature: -40°C to 40°C
-   PIM: -110 dBc Min.
-   AC Power: None
-   Humidity: 95% non-condensing
-   Dimensions, L x W x H: 5.3” x 2.3” Dia.; 135 x 59 Dia. mm
-   Finish: Black Anodized Aluminum
-   Self cooling design, needs no cooling plate
-   Fully shielded against production of extraneous radiation
-   Rugged construction
-   Broadband operation

The Bird 25-A-MFN-10, 25 Watt Bi-Directional RF Attenuator is a valuable and reliable accessory for reducing power levels, for isolating components under test, for harmonic signal analysis, and as comparison standards. They are world renowned for their high-quality, robust construction and conservative power ratings.

## Details

- **Price:** 0.0 USD - 187.5 USD
- **Vendor:** Bird
- **Type:** Fix Atten
- **Tags:** Attenuator, Bird, Fixed, Manufacturers, Other Equipment, product_manual_group_1, Product_used

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| None | 0.00 USD | In stock |
| NIST Traceable | 135.00 USD | In stock |
| NIST Traceable with Full Data | 172.50 USD | In stock |
| ISO IEC 17025 Accredited | 187.50 USD | In stock |

## Images

- 25-A-MFN-10 Bird Fixed Attenuator Used

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> Source: [ValueTronics](https://valuetronics.com/products/25-a-mfn-10-bird-fixed-attenuator-used)
> Updated: 2026-05-21