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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
PROJECTS UNLIMITED SMT-1028-S-2-R Transducer, Audio, SMT, 3 V, 4.6 V, 100 mA, 93 dBA, 2.83 kHzThe SMT 1028 S R is a surface mount Electro mechanical Transducer with tin plated copper terminals and PA 46 housing. The transducer generates minimum 93dBA sound pressure at 10cm. 20 to +70C Operating temperature range Applications Medical, Industrial, Safety, Security, Consumer Electronics, Audio Product details Transducer Mounting SMD Product Range Tones Current Rating 100mA Sound Level SPL 93dBA Supply Voltage Min 3V Supply Voltage Max 4. 6V
The SMT-1028-S-R is a surface-mount Electro-mechanical Transducer with tin-plated copper terminals and PA 46 housing. The transducer generates minimum 93dBA sound pressure at 10cm.
- -20 to +70�C Operating temperature range
Applications
Medical, Industrial, Safety, Security, Consumer Electronics, Audio
Product details
| Transducer Mounting | SMD |
| Product Range | - |
| Tones | - |
| Current Rating | 100mA |
| Sound Level SPL | 93dBA |
| Supply Voltage Min | 3V |
| Supply Voltage Max | 4.6V |
| Resonant Frequency | 2.83kHz |
| Transducer Function | Audio Indicator |
Other details
| Brand | PROJECTS UNLIMITED |
| Part Number | SMT-1028-S-2-R |
| Quantity | Each (Supplied on Cut Tape) |
| Technical Data Sheet EN | |
| Miscellaneous 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
4.6 ★★★★★
Based on 932 reviews
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Product Reviews
★★★★★ 4
Simple, Functional, and Adorable Jewelry Box
Color: Cream, Size: 2-Layer, Color: Cream, Size: 2-Layer
Cute and practical organizer with good space for everyday jewelry. Quality is good for everyday use, though the closure isn’t very tight, so it’s best for smaller collections. Great option if you don’t have a large jewelry collection. Overall, it’s a solid choice for keeping things organized.
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Reviewed in the United States on February 21, 2026
★★★★★ 5
Really nice box
Color: Cream, Size: 2-Layer
This actually is a very nice box. It is sturdy enough for constant handling. It does not hold a lot of pieces but I knew that. This is for someone that needs to store a small amount of jewelry. I like the sides that open and the bottom storage, it is big enough to hold small boxed with earrings in it.
The cover is very pretty with the padded look, it opens and closes very easy. One thing to keep in mind that the pull out erring holder is just covered cardboard, don't bend it. All in all I am very happy with this box so far it is doing what I need it to do, hold my spare jewelry.
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Great buy!
Color: Pink, Size: 2-Layer
I love the jewelry box. It’s well made and it’s all my jewelry and has room for more.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
★★★★★ 5
Perfect organizer
Color: Cream, Size: 2-Layer, Color: Cream, Size: 2-Layer
This organizer is cute and compact but has a place for every type of jewelry which is what I was looking for. Its not bulky and i love how the two inner sections pull away to reveal a pretty large storage section for larger or micellaneous items. Would recommend.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Large and Conveniently Versatile
Color: Black, Size: Extra Large
This isn't quite what I was expecting but it is amazing. It is larger, sturdier, and heavier than what I expected. I emptied 4 other large decorative boxes of jewelry and relocated them into this. I cannot believe what it holds. The variety of drawer designes are perfect. There are ideal spaces for my chunky necklaces and bracelets. The side hooks are perfect for a multitude of light necklaces and chains. Love the top tray for a gazillion stud earrings. For the first time I have one location for my jewelry where I can actually see what is there without digging. It is a little too big for my dresser but the convenience is worth it. I got the black because it was the least expensive. It is a classy look. The color and design would suit a guy with lots of watches and bling or a gal with a variety of styles of jewely from chunky to light filigree. It is heavy even before loading it with jewelry. The drawers can easily be reconfigured with convenient criss cross dividers. All are nicely, lightly lined. It arrived well packaged with corner protectors. There was a bit of a smell but it was gone after airing it overnight in the bathroom.
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Reviewed in the United States on August 28, 2025
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