Mfr Part #:

4778-20

The Narda-MITEQ 4778-20 is a fixed attenuator with 20dB attenuation and a frequency range of DC to 12.4 GHz. It features an SMA in-line module package.

✓ Total Stock: 1 pcs

$ Price Range: $0.99

4778-20 Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Partservice ✓ Non-Authorised Inventory information	1 pcs On Request	1 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

4778-20 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	Attenuators
Manufacturer Name	L3 Narda-MITEQ
Attenuation Value	20 dB
Frequency Range	DC-12.4 GHz
Power (Watts)	2 W
Temperature Coefficient	0.0006 dB/dB/°C

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4778-20 Description

Short technical summary and product information.

The Narda-MITEQ 4778-20 is a fixed attenuator designed for RF applications. It offers a nominal attenuation of 20 dB with a deviation of +/- 0.3 dB. The device operates over a frequency range from DC to 12.4 GHz.

This attenuator has a maximum average power input rating of 2W and a peak power input rating of 0.2 kW. It is constructed with precision stainless steel SMA connectors and designed to meet environmental requirements. The VSWR is a maximum of 1.15:1 from DC to 4 GHz and 1.30:1 from 4 GHz to 12.4 GHz.

The component is housed in an SMA in-line module package. It has a maximum weight of 14 grams or 0.5 oz. The temperature coefficient is 0.0006 dB/dB/°C, and the power coefficient is 0.0005 dB/dB/W.

4778-20 Quick Information

Product Type: Fixed Attenuator

Canonical Name: L3 Narda-MITEQ 4778-20 Fixed Attenuator

Subcategory: Fixed Attenuator

4778-20 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

4778-20 Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

4778-20 Features

20dB nominal attenuation value.
DC to 12.4 GHz frequency range.
2W maximum average power input.
SMA in-line module package.
Low VSWR performance.

4778-20 Applications

Used in RF signal attenuation.
Suitable for signal level control.
Component in RF test equipment.
Application in microwave systems.

4778-20 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the frequency range of the 4778-20 RF attenuator?

0 to 12.4 GHz.

What is the attenuation value of the 4778-20?

20 dB.

What is the maximum input power of the 4778-20?

2 W (average).

What is the VSWR of the 4778-20 from DC to 4 GHz?

1.15:1.

What is the package type of the 4778-20?

SMA In-Line Module.

What is the weight of the 4778-20?

14 grams or 0.5 oz.

Is the 4778-20 RoHS compliant?

Yes, it is RoHS3 compliant.