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- 55 C Opto-electronics

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Transistor Output Optocouplers Optocoupler 4-pin SSOP PS2811-1-F3-A Renesas Electronics 1: HK$8.55 675,515In Stock	Mfr. Part No. PS2811-1-F3-A Mouser Part No 968-PS2811-1-F3-A	Renesas Electronics	Transistor Output Optocouplers Optocoupler 4-pin SSOP	Datasheet	675,515In Stock	Cut Tape HK$8.55 HK$5.87 HK$4.39 HK$3.81 Reel HK$3.15 View HK$3.58 HK$3.02 HK$2.86 HK$2.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,500
Transistor Output Optocouplers Phototransistor Out Dual CTR 40-80% ILD205T Vishay Semiconductors 1: HK$11.51 35,964In Stock	Mfr. Part No. ILD205T Mouser Part No 782-ILD205T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Dual CTR 40-80%	Datasheet	35,964In Stock	Cut Tape HK$11.51 HK$8.11 HK$5.94 HK$5.16 Reel HK$4.24 View HK$4.83 HK$4.08 HK$3.80 HK$3.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Triac & SCR Output Optocouplers 800V RANDOM PHASE TRIAC FOD4208 onsemi 1: HK$39.37 10,601In Stock	Mfr. Part No. FOD4208 Mouser Part No 512-FOD4208	onsemi	Triac & SCR Output Optocouplers 800V RANDOM PHASE TRIAC	Datasheet	10,601In Stock	HK$39.37 HK$24.82 HK$23.02 HK$19.97 View HK$18.99 HK$18.33	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers Random Phase Triac Snubberless FOD4208SDV onsemi 1: HK$44.22 8,804In Stock	Mfr. Part No. FOD4208SDV Mouser Part No 512-FOD4208SDV	onsemi	Triac & SCR Output Optocouplers Random Phase Triac Snubberless	Datasheet	8,804In Stock	Cut Tape HK$44.22 HK$29.59 HK$24.66 HK$22.93 Reel HK$20.88 HK$20.47 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers 3000Vrms 50% CTR ACPL-217-56CE Broadcom / Avago 1: HK$6.49 67,677In Stock	Mfr. Part No. ACPL-217-56CE Mouser Part No 630-ACPL-217-56CE	Broadcom / Avago	Transistor Output Optocouplers 3000Vrms 50% CTR Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	67,677In Stock	Cut Tape HK$6.49 HK$4.51 HK$3.28 HK$2.75 Reel HK$2.25 View HK$2.57 HK$2.17 HK$2.05 HK$1.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C TLP291(Y-TP,SE Toshiba 1: HK$4.36 108,130In Stock	Mfr. Part No. TLP291(Y-TP,SE Mouser Part No 757-TLP291(Y-TPSE	Toshiba	Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C	Datasheet	108,130In Stock	Cut Tape HK$4.36 HK$3.00 HK$2.16 HK$1.78 Reel HK$1.38 View HK$1.65 HK$1.30 HK$1.27 HK$1.18 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Transistor Output Optocouplers CTR 50-600% 1MA VOS628A-X001T Vishay Semiconductors 1: HK$7.40 64,066In Stock	Mfr. Part No. VOS628A-X001T Mouser Part No 78-VOS628A-X001T	Vishay Semiconductors	Transistor Output Optocouplers CTR 50-600% 1MA Learn More about Vishay Semiconductors vishaysemi VOx6xxA	Datasheet	64,066In Stock	Cut Tape HK$7.40 HK$5.18 HK$3.82 HK$3.21 Reel HK$2.74 View HK$3.00 HK$2.61 HK$2.42 HK$2.25 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers GaAs Infrared and Photo-Transistor TLP291(V4GBTP,SE Toshiba 1: HK$4.36 105,156In Stock	Mfr. Part No. TLP291(V4GBTP,SE Mouser Part No 757-TLP291V4GBTPSE	Toshiba	Transistor Output Optocouplers GaAs Infrared and Photo-Transistor	Datasheet	105,156In Stock	Cut Tape HK$4.36 HK$3.00 HK$2.16 HK$1.78 Reel HK$1.41 View HK$1.65 HK$1.32 HK$1.25 HK$1.18 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Transistor Output Optocouplers Photocoupler SO16 TLP291-4(V4GBTPE Toshiba 1: HK$12.08 83,140In Stock	Mfr. Part No. TLP291-4(V4GBTPE Mouser Part No 757-TLP291-4V4GBTPE	Toshiba	Transistor Output Optocouplers Photocoupler SO16	Datasheet	83,140In Stock	Cut Tape HK$12.08 HK$8.63 HK$6.43 HK$5.48 Reel HK$4.91 View HK$5.18 HK$4.72 HK$4.45 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Transistor Output Optocouplers AC Phototx Coupler ACPL-244-560E Broadcom / Avago 1: HK$22.28 23,969In Stock	Mfr. Part No. ACPL-244-560E Mouser Part No 630-ACPL-244-560E	Broadcom / Avago	Transistor Output Optocouplers AC Phototx Coupler Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	23,969In Stock	Cut Tape HK$22.28 HK$16.11 HK$12.41 HK$11.18 Reel HK$10.11 View HK$10.69 HK$9.29 HK$9.21 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs Poly Dome Red HLMP-Q106 Broadcom / Avago 1: HK$18.82 16,543In Stock	Mfr. Part No. HLMP-Q106 Mouser Part No 630-HLMP-Q106	Broadcom / Avago	Single Colour LEDs Poly Dome Red Learn More about Broadcom / Avago broadcom led solutions	Datasheet	16,543In Stock	HK$18.82 HK$13.56 HK$10.44 HK$9.04 View HK$8.47 HK$8.15 HK$7.07 HK$7.03	Min.: 1 Mult.: 1
Transistor Output Optocouplers RECOMMENDED ALT SFH6 VO615A-3X007T Vishay Semiconductors 1: HK$3.78 237,914In Stock	Mfr. Part No. VO615A-3X007T Mouser Part No 78-VO615A-3X007T	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT SFH6	Datasheet	237,914In Stock	Cut Tape HK$3.78 HK$2.58 HK$1.85 HK$1.51 Reel HK$1.40 View HK$1.12 HK$1.08 HK$1.04 HK$0.978	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers Phototransistor Out Single CTR 160-500% SFH6286-4T Vishay Semiconductors 1: HK$11.18 111,359In Stock	Mfr. Part No. SFH6286-4T Mouser Part No 782-SFH6286-4T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 160-500%	Datasheet	111,359In Stock	Cut Tape HK$11.18 HK$7.60 HK$5.39 HK$4.69 Reel HK$3.99 View HK$3.98 HK$3.90 HK$3.74 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 600V 2mA VO4256H-X007T Vishay Semiconductors 1: HK$32.80 19,424In Stock	Mfr. Part No. VO4256H-X007T Mouser Part No 782-VO4256H-X007T	Vishay Semiconductors	Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 600V 2mA	Datasheet	19,424In Stock	Cut Tape HK$32.80 HK$24.17 HK$18.99 HK$16.77 Reel HK$15.95 View HK$15.62 HK$14.96 Quote	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers RECOMMENDED ALT SFH6 VO617A-4X016 Vishay Semiconductors 1: HK$3.62 301,840In Stock	Mfr. Part No. VO617A-4X016 Mouser Part No 78-VO617A-4X016	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT SFH6 Learn More about Vishay Semiconductors vishaysemi VOx6xxA	Datasheet	301,840In Stock	HK$3.62 HK$2.48 HK$1.78 HK$1.45 View HK$1.35 HK$1.26 HK$1.15 HK$0.986 HK$0.937	Min.: 1 Mult.: 1
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% SFH6106-3T Vishay Semiconductors 1: HK$7.48 88,631In Stock	Mfr. Part No. SFH6106-3T Mouser Part No 782-SFH6106-3T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Learn More about Vishay Semiconductors vishay sfh610a sfh6106	Datasheet	88,631In Stock	Cut Tape HK$7.48 HK$5.24 HK$3.95 HK$3.44 Reel HK$2.98 View HK$2.78 HK$2.63 HK$2.56 HK$2.42 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Solid State Relays - PCB Mount Relay CD20CDY Teledyne Relays 1: HK$2,379.20 68In Stock	Mfr. Part No. CD20CDY Mouser Part No 881-CD20CDY	Teledyne Relays	Solid State Relays - PCB Mount Relay	Datasheet	68In Stock	HK$2,379.20 HK$2,169.34 HK$2,120.18	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 3mA VO4258M Vishay Semiconductors 1: HK$34.11 2,240In Stock	Mfr. Part No. VO4258M Mouser Part No 782-VO4258M	Vishay Semiconductors	Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 3mA	Datasheet	2,240In Stock	HK$34.11 HK$24.82 HK$19.07 HK$16.77 View HK$15.95 HK$15.78 HK$14.14 Quote	Min.: 1 Mult.: 1
Multi-Colour LEDs 8.7/12mcd 621/569nm Red Orange/Green LTL-10CHJ LITEON 1: HK$4.60 21,389In Stock	Mfr. Part No. LTL-10CHJ Mouser Part No 859-LTL-10CHJ	LITEON	Multi-Colour LEDs 8.7/12mcd 621/569nm Red Orange/Green	Datasheet	21,389In Stock	HK$4.60 HK$3.14 HK$2.24 HK$1.66 View HK$1.52 HK$1.41 HK$1.32 HK$1.12 HK$1.04	Min.: 1 Mult.: 1
Transistor Output Optocouplers H. Speed 1MBd CTR>19%, VDE 6N136-X017T Vishay Semiconductors 1: HK$17.10 8,318In Stock	Mfr. Part No. 6N136-X017T Mouser Part No 78-6N136-X017T	Vishay Semiconductors	Transistor Output Optocouplers H. Speed 1MBd CTR>19%, VDE	Datasheet	8,318In Stock	Cut Tape HK$17.10 HK$12.25 HK$9.37 HK$8.02 Reel HK$7.60 View HK$6.67 HK$6.49 HK$6.41 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
High Linearity Optocouplers Single Linear, High Gain, Wide Bandwidth IL300-EF-X016 Vishay Semiconductors 1: HK$59.76 2,758In Stock	Mfr. Part No. IL300-EF-X016 Mouser Part No 782-IL300-EF-X016	Vishay Semiconductors	High Linearity Optocouplers Single Linear, High Gain, Wide Bandwidth Learn More about Vishay Semiconductors vishay il300 linear optocoupler	Datasheet	2,758In Stock	HK$59.76 HK$45.05 HK$36.50 HK$32.72 View HK$31.48 HK$30.41 Quote	Min.: 1 Mult.: 1
Transistor Output Optocouplers Phototransistor Out Quad CTR > 100% ILQ621GB-X017T Vishay Semiconductors 1: HK$30.25 1,349In Stock 1,600Expected 9/10/2026	Mfr. Part No. ILQ621GB-X017T Mouser Part No 782-ILQ621GB-X017T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Quad CTR > 100%	Datasheet	1,349In Stock 1,600Expected 9/10/2026	Cut Tape HK$30.25 HK$22.03 HK$17.18 HK$14.88 Reel HK$14.14 View HK$13.07 HK$12.82 MouseReel Available	Min.: 1 Mult.: 1 : 750
Triac & SCR Output Optocouplers Random Phase Triac Snubberless FOD4208V onsemi 1: HK$36.09 1,022In Stock	Mfr. Part No. FOD4208V Mouser Part No 512-FOD4208V	onsemi	Triac & SCR Output Optocouplers Random Phase Triac Snubberless	Datasheet	1,022In Stock	HK$36.09 HK$26.72 HK$21.21 HK$18.08 View HK$17.26 HK$16.52 HK$16.28 Quote	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers Random Phase Triac Snubberless FOD420SD onsemi 1: HK$40.11 1,727In Stock	Mfr. Part No. FOD420SD Mouser Part No 512-FOD420SD	onsemi	Triac & SCR Output Optocouplers Random Phase Triac Snubberless	Datasheet	1,727In Stock	Cut Tape HK$40.11 HK$29.84 HK$23.67 HK$19.73 Reel HK$18.74 View HK$18.58 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triac & SCR Output Optocouplers Random Phase Triac Snubberless FOD420SDV onsemi 1: HK$36.41 1,825In Stock	Mfr. Part No. FOD420SDV Mouser Part No 512-FOD420SDV	onsemi	Triac & SCR Output Optocouplers Random Phase Triac Snubberless	Datasheet	1,825In Stock	Cut Tape HK$36.41 HK$26.96 HK$21.29 HK$17.59 Reel HK$16.44 HK$16.19 MouseReel Available	Min.: 1 Mult.: 1 : 1,000