About Optical Detectors and Sensors

Optical Detectors and Sensors

Optical detectors and sensors are used to measure light and optical signals. They convert light energy into electrical signals that can control other equipment or be further processed in some form. They are used in a variety of areas of science, engineering, and industry. Optical detectors and sensors can range from simple photodiodes and phototransistors to complex optical devices such as imaging spectrometers. They are also used for imaging and sensing applications such as nighttime surveillance or medical imaging. Some optical detectors and sensors require an illumination source such as an LED or laser diode. Other sensors rely solely on the ambient light in their environment. They can be used to detect a range of different optical signals, such as UV radiation, infrared radiation, visible light, and so on. Optical detectors and sensors are widely used in telecommunications, optoelectronics, aerospace, automotive, and more.

Optical Detectors and Sensors

Ambient Light Sensors

Infrared Detectors

Photo IC Sensors

Photodiodes

Photoresistors

Phototransistors

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Image	Stock Code(▲▼)	Description	Manufacturer	Availability ⓘ (▲▼)	Price(AUD) (Ex. GST)(▲▼)	Enter Qty

PTSMD3528

Ambient Light Sensors 3528 RoHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Jing Chuang

1959
Ships to you
between Thu. 16 Jul to Tue. 21 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.0913

Multiples of: 5

PT15-21CTR8

Everlight Phototransistors IR Phototransistor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight

0
6 to 16 Weeks

November 2026

November 2026
	S	M	T	W	T	F	S
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7
46	8	9	10	11	12	13	14
47	15	16	17	18	19	20	21
48	22	23	24	25	26	27	28
49	29	30	1	2	3	4	5

AUD 0.0726

Multiples of: 6

EL-PT204-6C

Phototransistors Phototransistor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight

0
6 to 16 Weeks

November 2026

November 2026
	S	M	T	W	T	F	S
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7
46	8	9	10	11	12	13	14
47	15	16	17	18	19	20	21
48	22	23	24	25	26	27	28
49	29	30	1	2	3	4	5

AUD 0.0726

Multiples of: 6000

EL-PT11-21C/L41/TR8

Phototransistors Phototransistor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight

0
6 to 16 Weeks

November 2026

November 2026
	S	M	T	W	T	F	S
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7
46	8	9	10	11	12	13	14
47	15	16	17	18	19	20	21
48	22	23	24	25	26	27	28
49	29	30	1	2	3	4	5

AUD 0.0759

Multiples of: 2000

GM5549

Photoresistor; 100mW; 100÷200kΩ; 540nm; THT; 150VDC; Dim: 5x4.2mm
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wodeyijia

0
6 to 16 Weeks

November 2026

November 2026
	S	M	T	W	T	F	S
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7
46	8	9	10	11	12	13	14
47	15	16	17	18	19	20	21
48	22	23	24	25	26	27	28
49	29	30	1	2	3	4	5

AUD 0.079

Multiples of: 41

EAPLP04RRKA1

Phototransistors Detector Thru-Hole
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight

0
6 to 16 Weeks

November 2026

November 2026
	S	M	T	W	T	F	S
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7
46	8	9	10	11	12	13	14
47	15	16	17	18	19	20	21
48	22	23	24	25	26	27	28
49	29	30	1	2	3	4	5

AUD 0.0819

Multiples of: 1000

EL-PD204-6B

Everlight Photodiodes PIN Photodiode
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight

0
6 to 16 Weeks

November 2026

November 2026
	S	M	T	W	T	F	S
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7
46	8	9	10	11	12	13	14
47	15	16	17	18	19	20	21
48	22	23	24	25	26	27	28
49	29	30	1	2	3	4	5

AUD 0.0847

Multiples of: 4

PT333-3C(FTR)

PT333-3C(FTR)
Icon ROHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight

0
6 to 16 Weeks

November 2026

November 2026
	S	M	T	W	T	F	S
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7
46	8	9	10	11	12	13	14
47	15	16	17	18	19	20	21
48	22	23	24	25	26	27	28
49	29	30	1	2	3	4	5

AUD 0.085

Multiples of: 500

PT19-315B/TR8

Phototransistor; Dim: 1.7x0.8x0.6mm; λp max: 940nm; 30V
Icon ROHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight

0
6 to 16 Weeks

November 2026

November 2026
	S	M	T	W	T	F	S
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7
46	8	9	10	11	12	13	14
47	15	16	17	18	19	20	21
48	22	23	24	25	26	27	28
49	29	30	1	2	3	4	5

AUD 0.0905

Multiples of: 5

PT5529B/L2-F

Phototransistors IR Phototransistor
Icon ROHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight

0
6 to 16 Weeks

November 2026