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Description
BOURNS 91A1A-B28-B18L Rotary Potentiometer, Conductive Plastic, 50 kohm, 1 W, � 20%, 91 Series, 1 Turns, LinearThe Bourns 91 series are through hole, panel control potentiometer. These potentiometers are single turn which is designed for frequent adjustment application. These devices are available in plastic or metal bushing and shaft combination. 5 8inch square potentiometer, in line PC pins Sealing is IP40 rated Conductive plastic cermet element type 5%, 10% and 20% tolerance Resistance value ranges from 100 ohm to 1Mohm High Rotational life Linear and audio
The Bourns 91 series are through hole, panel control potentiometer. These potentiometers are single turn which is designed for frequent adjustment application. These devices are available in plastic or metal bushing and shaft combination.
- 5/8inch square potentiometer, in line PC pins
- Sealing is IP40 rated
- Conductive plastic/cermet element type
- �5%, �10% and �20% tolerance
- Resistance value ranges from 100 ohm to 1Mohm
- High Rotational life
- Linear and audio taper available
- Maximum power rating is 2W
- Operating temperature ranges from -40�C to +125�C
Applications
Industrial, Consumer Electronics, Portable Devices, Power Management
Product details
| Shaft Length | 22.2mm |
| Shaft Diameter | 6.35mm |
| No. of Gangs | 1 |
| Adjustment Type | Screwdriver Slot |
| Resistance Tolerance | � 20% |
| Product Range | 91 Series |
| Track Taper | Linear |
| No. of Turns | 1Turns |
| Potentiometer Mounting | Through Hole |
| Power Rating | 1W |
| Track Resistance | 50kohm |
Other details
| Brand | BOURNS |
| Part Number | 91A1A-B28-B18L |
| Quantity | Each |
| Technical Data Sheet EN | |
| 3D Product Image EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Traditional Grown Man Shirt
Size: Large, Color: Light Grey Vertical Stripe
Great cotton, classically-style button down shirt for guys not wanting anything slim fit, this shirt size is legitimate. It’s a nice heavyweight cotton shirt. I don’t think I’d say it was wrinkle resistant but it doesn’t take much effort to press this garment.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026
★★★★★ 5
Softer and Larger than Expected
I was a bit wary of this shirt because I had only purchased 100% cotton ones in the past. My first impression out of the package was how soft the material felt. I was very impressed because it usually takes many washings before oxford cloth shirts get that soft. When I put it on, I discovered that there was no noticeable difference made with the small amount of stretch fabric woven into the shirt. I suspect that there would be some give if I wore the shirt as a tight fit, but I prefer my shirts loose, so it wasn't an issue.
I found that the shirt was larger than other same sized shirts I've received from Amazon in the past--bigger is better than smaller, but if you are looking for a close fit, you will want to be conservative in the size you order. I didn't realize until I'd been wearing it for a while that it lacks a pocket, I went to put my glasses in my shirt pocket and there wasn't one!
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Reviewed in the United States on November 30, 2023
★★★★★ 5
Beautiful Shirt
Color: Rose, Size: XX-Large
I love the quality, looks,and style I buy them for my husband. They wash well the only thing I don't know is how they dry in a dryer because, I hang his to dry but one thing for sure is that I don't need to iron them because they're not wrinkled and for me that's a win. I highly recommend them. One thing not all styles are true to size. I've bought 8 other styles the COOFANDY BRAND in XL they fit and hang beautiful but in this particular style, I had to get him XXL. My husband is 5'10 and 200lbs
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Very nice fit
Color: Dark Blue, Size: 3X-Large
This shirt was very nice. I got it for my husband to wear at a wedding.
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Reviewed in the United States on May 2, 2026
★★★★★ 4
Nice shirt for the price
Color: Purple, Size: Large
It was a nice shirt that I bought for my husband. The fabric quality is OK but he liked the comfort.
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Reviewed in the United States on August 2, 2025
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