---
type: product
schema_version: 1
stock_number: "83457-1"
canonical_url: "https://www.artisantg.com/83457-1/Belfuse-ATT-290F-03-SMA-02"
json_url: "https://www.artisantg.com/83457-1/Belfuse-ATT-290F-03-SMA-02.json"
generated_at: "2026-11-07T20:09:06.352Z"
last_updated: "2026-04-06T13:32:15.610-05:00"
---

# Belfuse / Midwest Microwave ATT-290F-03-SMA-02 SMA Subminiature "MINIPAD" Attenuator

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Belfuse
- Model: ATT-290F-03-SMA-02
- Condition: Used and in Excellent Condition
- Price: $85.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 5 lb
- Shipping dimensions: 14X14X6 in

## Categories

- Test Equipment > Electrical Test > Attenuators (primary)

## Details

### Configuration

- Series: 290
- Connectors: Female/Female
- Attenuation Value: 3 dB

Part Number: 2130817-02

## Images

- <https://www.artisantg.com/itemimages/belfuse_midwest_microwave_att_290f_03_sma_02_view1_201921210941.jpg>
- <https://www.artisantg.com/itemimages/belfuse_midwest_microwave_att_290f_03_sma_02_view2_201921210941.jpg>
- <https://www.artisantg.com/itemimages/belfuse_midwest_microwave_att_290f_03_sma_02_view3_201921210941.jpg>
- <https://www.artisantg.com/itemimages/belfuse_midwest_microwave_att_290f_03_sma_02_view4_201921210941.jpg>