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3.8 mm Opto-electronics

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Single Colour LEDs RED RED CLEAR LENS 2.5mm PITCH SLR-343VCT32 ROHM Semiconductor 1: $0.54 4,125In Stock	Mfr. Part No. SLR-343VCT32 Mouser Part No 755-SLR-343VCT32	ROHM Semiconductor	Single Colour LEDs RED RED CLEAR LENS 2.5mm PITCH Learn More about ROHM Semiconductor rohm slr 343 lamps	Datasheet	4,125In Stock	Cut Tape $0.54 $0.368 $0.265 $0.218 Reel $0.189 View $0.203 $0.172 $0.158 $0.155	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs LED-Red SLR-343VR3F ROHM Semiconductor 1: $0.57 1,076In Stock 8,000Expected 14/12/2026	Mfr. Part No. SLR-343VR3F Mouser Part No 755-SLR-343VR3F	ROHM Semiconductor	Single Colour LEDs LED-Red Learn More about ROHM Semiconductor rohm slr 343 lamps	Datasheet	1,076In Stock 8,000Expected 14/12/2026	Cut Tape $0.57 $0.398 $0.287 $0.236 Reel $0.197 View $0.219 $0.181 $0.171 $0.16	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs RED DIFFUSED LENS 2.5mm PITCH SLR-343VRT32 ROHM Semiconductor 1: $0.57 6,000In Stock 12,000On Order	Mfr. Part No. SLR-343VRT32 Mouser Part No 755-SLR-343VRT32	ROHM Semiconductor	Single Colour LEDs RED DIFFUSED LENS 2.5mm PITCH Learn More about ROHM Semiconductor rohm optoelectronics	Datasheet	6,000In Stock 12,000On Order On Order Ship Dates Mfr. No: SLR-343VRT32 Stock: 6,000 Can Dispatch Immediately On Order: 6,000 Expected 01/12/2026 6,000 Expected 24/12/2026 Factory Lead Time: 17 Weeks	Cut Tape $0.57 $0.386 $0.275 $0.227 Reel $0.195 View $0.208 $0.181 $0.168 $0.155	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs LED UNI-COLOR YELLOW 585NM 2PIN SLR-343YC3F ROHM Semiconductor 1: $0.54 1,478In Stock	Mfr. Part No. SLR-343YC3F Mouser Part No 755-SLR-343YC3F	ROHM Semiconductor	Single Colour LEDs LED UNI-COLOR YELLOW 585NM 2PIN Learn More about ROHM Semiconductor rohm slr 343 lamps	Datasheet	1,478In Stock	$0.54 $0.368 $0.265 $0.218 View $0.203 $0.189 $0.172 $0.166 $0.155	Min.: 1 Mult.: 1
Single Colour LEDs 3.1MM 585NM YEL TRANSP SLR-343YCT32 ROHM Semiconductor 1: $0.54 1,726In Stock	Mfr. Part No. SLR-343YCT32 Mouser Part No 755-SLR-343YCT32	ROHM Semiconductor	Single Colour LEDs 3.1MM 585NM YEL TRANSP Learn More about ROHM Semiconductor rohm slr 343 lamps	Datasheet	1,726In Stock	Cut Tape $0.54 $0.376 $0.27 $0.222 Reel $0.191 View $0.205 $0.174 $0.16	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs LED-Yellow SLR-343YY3F ROHM Semiconductor 1: $0.57 461In Stock 2,000Expected 01/02/2027	Mfr. Part No. SLR-343YY3F Mouser Part No 755-SLR-343YY3F	ROHM Semiconductor	Single Colour LEDs LED-Yellow Learn More about ROHM Semiconductor rohm slr 343 lamps	Datasheet	461In Stock 2,000Expected 01/02/2027	$0.57 $0.386 $0.275 $0.227 View $0.203 $0.189 $0.172 $0.166 $0.155	Min.: 1 Mult.: 1
Single Colour LEDs 3.1MM 585NM YEL DIFF SLR-343YYT32 ROHM Semiconductor 1: $0.57 821In Stock 8,000Expected 01/12/2026	Mfr. Part No. SLR-343YYT32 Mouser Part No 755-SLR-343YYT32	ROHM Semiconductor	Single Colour LEDs 3.1MM 585NM YEL DIFF Learn More about ROHM Semiconductor rohm slr 343 lamps	Datasheet	821In Stock 8,000Expected 01/12/2026	Cut Tape $0.57 $0.386 $0.275 $0.227 Reel $0.195 View $0.208 $0.181 $0.168 $0.155	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs Red Diffused LITEON LTL-1CHE LTL-1CHE LITEON 1: $0.20 10,323In Stock	Mfr. Part No. LTL-1CHE Mouser Part No 859-LTL-1CHE	LITEON	Single Colour LEDs Red Diffused	Datasheet	10,323In Stock	$0.20 $0.133 $0.09 $0.074 View $0.064 $0.061 $0.055 $0.051 $0.046	Min.: 1 Mult.: 1
Single Colour LEDs Thru-Hole Lamp 3mm Cyl Grn Diffused LITEON LTL-2231AT LTL-2231AT LITEON 1: $0.31 2,532In Stock	Mfr. Part No. LTL-2231AT Mouser Part No 859-LTL-2231AT	LITEON	Single Colour LEDs Thru-Hole Lamp 3mm Cyl Grn Diffused	Datasheet	2,532In Stock	$0.31 $0.215 $0.152 $0.123 View $0.112 $0.104 $0.09 $0.085 $0.079	Min.: 1 Mult.: 1
Single Colour LEDs Red Clear LITEON LTL1CHKEKNN LTL1CHKEKNN LITEON 1: $0.22 10,689In Stock	Mfr. Part No. LTL1CHKEKNN Mouser Part No 859-LTL1CHKEKNN	LITEON	Single Colour LEDs Red Clear	Datasheet	10,689In Stock	$0.22 $0.151 $0.106 $0.085 View $0.077 $0.071 $0.064 $0.052	Min.: 1 Mult.: 1
Single Colour LEDs Blue Clear 470nm LITEON LTL1CHTBK3LC LTL1CHTBK3LC LITEON 1: $0.23 6,557In Stock	Mfr. Part No. LTL1CHTBK3LC Mouser Part No 859-LTL1CHTBK3LC	LITEON	Single Colour LEDs Blue Clear 470nm	Datasheet	6,557In Stock	$0.23 $0.158 $0.111 $0.089 View $0.081 $0.075 $0.068 $0.062 $0.057	Min.: 1 Mult.: 1
UV LEDs 235nm SMD Domed Lens MTSM2350D-UV Marktech Optoelectronics 1: $285.09 5In Stock	Mfr. Part No. MTSM2350D-UV Mouser Part No 193-MTSM2350D-UV	Marktech Optoelectronics	UV LEDs 235nm SMD Domed Lens Learn More about Marktech Optoelectronics marktech mtsm2350x mtsm2550x emitters	Datasheet	5In Stock	$285.09 $251.56	Min.: 1 Mult.: 1
Infrared Emitters IR EMITTER FOR REMOTE CONTROLLER SIR-34ST3F ROHM Semiconductor 1: $0.91 3,642In Stock	Mfr. Part No. SIR-34ST3F Mouser Part No 755-SIR-34ST3F	ROHM Semiconductor	Infrared Emitters IR EMITTER FOR REMOTE CONTROLLER Learn More about ROHM Semiconductor rohmopticalsensors	Datasheet	3,642In Stock	$0.91 $0.633 $0.459 $0.376 View $0.351 $0.335 $0.318 $0.295 $0.277	Min.: 1 Mult.: 1
Single Colour LEDs 3mm/ULTRA GRN (505NM) BL-BGX3V1 American Bright LED 1: $0.48 12,639In Stock	Mfr. Part No. BL-BGX3V1 Mouser Part No 442-BLBGX3V1	American Bright LED	Single Colour LEDs 3mm/ULTRA GRN (505NM) Learn More about American Bright LED american bright bl bx through hole standard leds	Datasheet	12,639In Stock	$0.48 $0.326 $0.234 $0.192 View $0.167 $0.157 $0.148 $0.145 $0.132	Min.: 1 Mult.: 1
Single Colour LEDs Green Diffused 565nm 60deg SSL-LX305D4GD Lumex 1: $0.31 8,669In Stock	Mfr. Part No. SSL-LX305D4GD Mouser Part No 696-SSL-LX305D4GD	Lumex	Single Colour LEDs Green Diffused 565nm 60deg	Datasheet	8,669In Stock	$0.31 $0.209 $0.147 $0.119 View $0.098 $0.092 $0.085 $0.078 $0.074	Min.: 1 Mult.: 1
Single Colour LEDs Red 635nm 50mcd T-3mm Transparent SSL-LX305D4IT Lumex 1: $0.33 3,826In Stock	Mfr. Part No. SSL-LX305D4IT Mouser Part No 696-SSL-LX305D4IT	Lumex	Single Colour LEDs Red 635nm 50mcd T-3mm Transparent	Datasheet	3,826In Stock	$0.33 $0.222 $0.157 $0.127 View $0.11 $0.103 $0.092 $0.088 $0.08	Min.: 1 Mult.: 1
Single Colour LEDs LED Thru-Hole 3mm Amber 610 nm 3AC-S Bivar 1: $0.34 1,307In Stock	Mfr. Part No. 3AC-S Mouser Part No 749-3AC-S	Bivar	Single Colour LEDs LED Thru-Hole 3mm Amber 610 nm	Datasheet	1,307In Stock	$0.34 $0.235 $0.166 $0.134 View $0.115 $0.106 $0.10 $0.093	Min.: 1 Mult.: 1
Single Colour LEDs LED Thru-Hole 3mm Amber 610 nm 3AD-S Bivar 1: $0.49 1,101In Stock	Mfr. Part No. 3AD-S Mouser Part No 749-3AD-S	Bivar	Single Colour LEDs LED Thru-Hole 3mm Amber 610 nm	Datasheet	1,101In Stock	$0.49 $0.32 $0.213 $0.178 View $0.129 $0.121 $0.114 $0.104	Min.: 1 Mult.: 1
Multi-Colour LEDs Red/Green 635/568nm White Diffused 3BC-F Bivar 1: $0.68 1,080In Stock	Mfr. Part No. 3BC-F Mouser Part No 749-3BC-F	Bivar	Multi-Colour LEDs Red/Green 635/568nm White Diffused	Datasheet	1,080In Stock	$0.68 $0.473 $0.342 $0.283 View $0.248 $0.23 $0.219 $0.206	Min.: 1 Mult.: 1
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color Yel/Grn 3BC-Y/G-F Bivar 1: $0.78 127In Stock	Mfr. Part No. 3BC-Y/G-F Mouser Part No 749-3BC-Y/G-F	Bivar	Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color Yel/Grn	Datasheet	127In Stock	$0.78 $0.532 $0.382 $0.315 View $0.276 $0.265 $0.25 $0.236 $0.218	Min.: 1 Mult.: 1
Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Grn 3BCC-F Bivar 1: $0.72 1,268In Stock	Mfr. Part No. 3BCC-F Mouser Part No 749-3BCC-F	Bivar	Multi-Colour LEDs LED Thru-Hole 3mm Bi-Color HE Red/Grn	Datasheet	1,268In Stock	$0.72 $0.502 $0.365 $0.303 View $0.266 $0.261 $0.246 $0.229 $0.212	Min.: 1 Mult.: 1
Single Colour LEDs LED Thru-Hole 3mm Green 565 nm 3GD-F Bivar 1: $0.39 1,600In Stock	Mfr. Part No. 3GD-F Mouser Part No 749-3GD-F	Bivar	Single Colour LEDs LED Thru-Hole 3mm Green 565 nm	Datasheet	1,600In Stock	$0.39 $0.263 $0.185 $0.133 View $0.12 $0.106 $0.097 $0.092 $0.086	Min.: 1 Mult.: 1
Single Colour LEDs LED Thru-Hole 3mm Green 565 nm 3GDL-F Bivar 1: $0.37 339In Stock	Mfr. Part No. 3GDL-F Mouser Part No 749-3GDL-F	Bivar	Single Colour LEDs LED Thru-Hole 3mm Green 565 nm	Datasheet	339In Stock	$0.37 $0.255 $0.196 $0.141 View $0.126 $0.121 $0.113 $0.106 $0.092	Min.: 1 Mult.: 1
Single Colour LEDs LED Thru-Hole 3mm HE Red 635 nm 3HDL-F Bivar 1: $0.47 956In Stock	Mfr. Part No. 3HDL-F Mouser Part No 749-3HDL-F	Bivar	Single Colour LEDs LED Thru-Hole 3mm HE Red 635 nm	Datasheet	956In Stock	$0.47 $0.305 $0.203 $0.14 View $0.123 $0.115 $0.107 $0.099 $0.096	Min.: 1 Mult.: 1
Single Colour LEDs LED Thru-Hole 3mm Green 574 nm 3SUGC-F Bivar 1: $0.76 684In Stock	Mfr. Part No. 3SUGC-F Mouser Part No 749-3SUGC-F	Bivar	Single Colour LEDs LED Thru-Hole 3mm Green 574 nm	Datasheet	684In Stock	$0.76 $0.499 $0.332 $0.274 View $0.211 $0.196 $0.159 $0.157	Min.: 1 Mult.: 1

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