Optocoupler ICs

An optocoupler, also known as an opto-isolator or photocoupler, is a semiconductor device which is used to couple isolated circuits. Within an optocoupler you will find a light emitter and a light sensor. Optocouplers usually come in a semiconductor package, such as SOIC or PDIP.

How does an optocoupler work?
Optocouplers work by transferring energy from one circuit to another circuit via an optical transmission path, while providing electrical isolation
The light emitter device can come in the form of an LED (light emitting diode) that produces IR or visible light, or a laser diode. The light emitter receives the input and converts it into a light signal. The light detector senses the light emitter and converts it back into an electrical signal.

Optocouplers are often used in high-voltage applications to block the high voltages and variations in voltage. This ensures that, if there is a spike in one part of a circuit, it will not affect other parts. Therefore they are ideal for applications which may experience variations in voltage.

Types of Optocoupler:
• Resistive
• Photodiode
• Phototransistor
• Bidirectional

Output Types
• CMOS
• Darlington
• IGBT Gate Drive
• Logic Gate
• MOSFET
• Photodarlington
• Phototransistor
• Single Transistor
• TRIAC

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Description Price Mounting Type Output Device Maximum Forward Voltage Number of Channels Number of Pins Package Type Input Current Type Typical Rise Time Maximum Input Current Isolation Voltage Logic Output Maximum Current Transfer Ratio Minimum Current Transfer Ratio Typical Fall Time
RS庫存編號 186-202
製造零件編號TLP620-4(GB,F)
BrandToshiba
HK$17.42
單位
Through Hole Transistor 1.3V 4 16 PDIP AC 2µs 50 mA 5 kVrms - 600% 100 % 3µs
RS庫存編號 691-2271
製造零件編號MOC3022
BrandLite-On
HK$4.578
/個 (每包:5個)
單位
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 919-1029
製造零件編號VO3150A-X017T
BrandVishay
HK$6.939
個 (在毎卷:1000)
單位
Surface Mount Phototransistor 1.6V 2 8 SMD DC 0.1µs 25 mA 5300 Vrms Yes - - 0.1µs
RS庫存編號 693-6037
製造零件編號ACPL-W60L-000E
BrandBroadcom
HK$29.82
單位
Surface Mount - 1.75V 1 6 SO Stretched DC 0.045µs - 5 kVrms Yes - - 0.02µs
RS庫存編號 756-3612
製造零件編號TLP665J(D4,S,C,F)
BrandToshiba
HK$14.002
/個 (每包:5個)
單位
Through Hole Phototriac 1.3V 1 6 DIP DC - 50 mA 5000 V ac Yes - - -
RS庫存編號 807-6648
製造零件編號HCPL0701R2
HK$18.51
/個 (每包:5個)
單位
Surface Mount Darlington 1.7V 1 8 MDIP DC - 20 mA 2500 Vrms Yes 5000% - -
RS庫存編號 691-2151
製造零件編號LTV-817S-TA1-B
BrandLite-On
HK$2.237
/個 (每包:10個)
單位
Surface Mount Transistor 1.4V 1 4 DIP DC 4µs 50 mA 5 kVrms - 260% 130 % 3µs
RS庫存編號 185-8005
製造零件編號FOD8173T
HK$8.209
毎管:2000 個
單位
Surface Mount CMOS 1.8V 1 6 SOP - 7ns 20 mA 5000 Vrms ac Yes - - 7ns
RS庫存編號 174-4166
製造零件編號HCNW4503-500E
BrandBroadcom
HK$26.44
/個 (每包:5個)
單位
Surface Mount - 1.95V 1 8 DIP - - 25 mA 5000 Vrms Yes 24% 15% -
RS庫存編號 180-8682
製造零件編號IL300-DEFG-X016
BrandVishay
HK$43.805
/個 (每包:2個)
單位
- - - - - - - - - - - - - -
RS庫存編號 919-1026
製造零件編號VO2223A-X001
BrandVishay
HK$10.753
毎管:50 個
單位
Through Hole Phototriac 1.4V 1 7 DIP DC - 50 mA 5300 Vrms - - - -
RS庫存編號 805-1255
製造零件編號6N136M
HK$11.278
/個 (每包:5個)
單位
Through Hole Transistor 1.7V 1 8 MDIP DC - 50 mA 5000 Vrms Yes 50% - -
RS庫存編號 180-8680
製造零件編號ILQ615-4X009
BrandVishay
HK$27.234
/個 (每包:5個)
單位
- - - - - - - - - - - - - -
RS庫存編號 769-0281
製造零件編號TLP3043(S,C,F)
BrandToshiba
HK$11.658
/個 (每包:5個)
單位
Through Hole Triac 1.3V 1 5 PDIP DC - 50 mA 5000 Vrms - - - -
RS庫存編號 671-2734
製造零件編號H11L1SR2VM
HK$9.618
/個 (每包:5個)
單位
Surface Mount Logic Gate 1.5V - 6 DIP DC 0.1µs 60 mA 7.5 kVrms Yes - - 0.1µs
RS庫存編號 161-1120
製造零件編號PS2505-4X
BrandIsocom
HK$11.282
毎管:25 個
單位
Through Hole NPN Phototransistor 1.4V 4 16 DIP AC 4µs ±50 mA 5300 (Minimum) Vrms - 600% 80% 3µs
RS庫存編號 671-2730
製造零件編號H11L1SR2M
HK$8.106
/個 (每包:5個)
單位
Surface Mount Logic Gate 1.5V 1 6 PDIP DC 0.1µs - 7.5 kVrms Yes - - 0.1µs
RS庫存編號 807-6639
製造零件編號H11N1SVM
HK$46.093
/個 (每包:10個)
單位
Surface Mount Logic Gate 2V 1 6 MDIP DC 7.5µs 30 mA 7500 V ac Yes - - 12µs
RS庫存編號 2508662498
製造零件編號NSL-32SR3
HK$24.30
單位
- - - - - - - - - - - - - -
RS庫存編號 2508643015
製造零件編號OAC5
BrandOpto 22
HK$232.12
單位
- - - - - - - - - - - - - -