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Description
ALLEGRO MICROSYSTEMS A1101EUA-T Hall Effect Switch, Unipolar Switch, Switch, 175 G, 10 G, 3.8 V, 24 V, SIPThe A1101EUA T is a continuous time hall effect switch in 3 pin SIP package. It is a next generation replacement for the popular Allegro 312x and 314x lines of unipolar switches. The A1101 uses BiCMOS technology which consists of devices that feature fast power on time and low noise operation. Device programming is performed after packaging to ensure increased switchpoint accuracy by eliminating offsets that can be induced by package stress. Unique
The A1101EUA-T is a continuous time hall effect switch in 3 pin SIP package. It is a next generation replacement for the popular Allegro 312x and 314x lines of unipolar switches. The A1101 uses BiCMOS technology which consists of devices that feature fast power-on time and low noise operation. Device programming is performed after packaging to ensure increased switchpoint accuracy by eliminating offsets that can be induced by package stress. Unique hall element geometries and low offset amplifiers help to minimize noise and to reduce residual offset voltage which is normally caused by device overmoulding, temperature excursions and thermal stress. The device includes voltage regulator, hall voltage generator, small signal amplifier, schmitt trigger and NMOS output transistor.
- Automotive grade AEC-Q100 qualified
- Solid state reliability
- Stable operation over full operating temperature range
- Reverse battery protection
- Factory programmed at end of line for optimum performance
- Robust EMC performance and high ESD rating
- Regulator stability without bypass capacitor
- Supply voltage range from 3.8V to 24V
- Operate point (BOP) of 100G, release point (BRP) of 45G and hysteresis (BHYS) of 55G at TA = 25°C
- Operating ambient temperature range from -40°C to 85°C
Applications
Sensing & Instrumentation, Automotive, Motor Drive & Control
Product details
| Release Point Typ | 10G |
| Sensor Case Style | SIP |
| No. of Pins | 3 Pin |
| Product Range | - |
| Automotive Qualification Standard | - |
| Hall Effect Type | Switch |
| Supply Voltage Min | 3.8V |
| Packaging | Each |
| Supply Voltage Max | 24V |
| Operate Point Typ | 175G |
| MSL | - |
Other details
| Brand | ALLEGRO MICROSYSTEMS |
| Part Number | A1101EUA-T |
| Quantity | Each |
| Technical Data Sheet EN | |
| Product Change Notice 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
4.7 ★★★★★
Based on 1356 reviews
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Product Reviews
★★★★★ 4
Good quality but there are better
Color: Black
Great quality, good amount of storage space. Biggest complaint is that the hooks inside don't really have hooks at all, just these little gold stick like things. Jewelry falls off easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
★★★★★ 5
Storage!
Color: Black
I love this organizer because it stores a lot, but it does not take up a lot of space. It has a sleek design and looks very nice in my bedroom.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
Christmas present
Color: Black
This is a good quality box. She loved the color and I appreciated the ease of giftability.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Equal
Color: White
Looks like the picture shown ( bought it for my aunt and that's what she said )
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Reviewed in the United States on March 23, 2026
★★★★★ 1
Defective Item
Color: Black, Color: Black
The door broke off immediately out of the package and the screws are stripped so they can’t be tightened into place. I might superglue it because I don’t want to go through the hassle of returning it and it’s the only way they’d offer even a partial refund for a defective product when I asked.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
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