You have entered a value in the highlighted fields below that contain invalid characters. Please revise your selection using valid characters only.

Product may not be an exact match for your search

You previously purchased this product. View in Order History



Phototransistor, 570 nm, 60 °, 100 mW, 2 Pins, T-1 (3mm), 3mm Phototransistor

Date/Lot Code

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
Order Code:
Product Range
3mm Phototransistor
Technical Datasheet:
TEPT4400   Datasheet
See all Technical Docs

Product Range Selector (3mm Phototransistor)

See all from this product range

Product Overview

The TEPT4400 from Vishay is a leaded silicon NPN epitaxial planar phototransistor in a T-1 package. This ambient light sensor is sensitive to visible light much like the human eye and has peak sensitivity at 570nm. Ambient light sensor are widely used to control the display of backlight dimming in LCD displays and keypad backlighting of mobile devices and in industrial on/off lighting operation and replacement of CdS photoresistors.
  • High photo sensitivity
  • Angle of half sensitivity is ±30°
  • Typical wavelength of 570nm
  • Power dissipation of 100mW
  • Operating temperature range from -40°C to 85°C


Industrial, Consumer Electronics


Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

Want to see similar products? Simply select your required attributes below and hit the button ×





T-1 (3mm)

3mm Phototransistor

Find similar products Choose and modify the attributes above to find similar products.

Technical Documents (3)

CAD Downloads


Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

Accept Cancel
Best Seller

Back order today stock arriving week commencing 12/10/22

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

Notify me when back in stock

£0.709 ( ex VAT  ) £0.8508 ( inc VAT )

Pricing is unavailable. Please contact customer services.

Price for:
Multiple: 1 Minimum: 1
Quantity Price (ex VAT) (inc VAT) Your Price (ex VAT)
1+ £0.709 £0.8508
Promotional price
Contract Price
Web only price
Web only contract price
10+ £0.461 £0.5532
Promotional price
Contract Price
Web only price
Web only contract price
25+ £0.452 £0.5424
Promotional price
Contract Price
Web only price
Web only contract price
50+ £0.443 £0.5316
Promotional price
Contract Price
Web only price
Web only contract price

Pricing is unavailable. Please contact customer services.

No longer stocked:: No Longer Manufactured::
Add to Basket Add to Basket Pre-Order
Restricted Item
Enter Your Part No/Line Note
Total Price: ( ex VAT  )
Total Price: ( inc VAT )
Total Price: --