| No image | PS2501-4X | Isocom Components | OPTOISO 5.3KV 4CH TRANS 16DIP | $0.9180 – $1.6300 | 981 | Tube |
 | IS281F | Isocom Components | Optoisolator Transistor Output 3750Vrms 1 Channel | $0.1770 – $0.2140 | 67,207 | Tape & Reel (TR) |
 | ISP814XSM | Isocom Components | Optoisolator Transistor Output 5300Vrms 1 Channel 4-SMD | $0.1770 – $0.2140 | 62,343 | Tube |
 | ISP827X | Isocom Components | OPTOISO 5.3KV 2CH TRANS 8DIP | $0.2550 – $0.8500 | 0 | Tube |
 | IS829X | Isocom Components | OPTOISO 5KV 2CH TRANS 8DIP | $0.3300 – $1.1000 | 0 | Tube |
| No image | 6N135SMT-R | Isocom Components | OPTOISO 5KV TRANS W/BASE 8SMD | $0.4950 – $1.1600 | 0 | Digi-Reel |
| No image | 4N26X | Isocom Components | OPTOISO 5.3KV TRANS W/BASE 6DIP | $0.1570 – $0.5600 | 0 | Tube |
| IS181D | Isocom Components | ISOCOM IS181D Transistor Output Optocoupler, 1 Channel, 3.75 kV, 300 %, 50 mA, SOP, 4 Pins | $0.0970 – $0.1360 | 43,156 | Tape & Reel (TR) |
 | IS281-4 | Isocom Components | DC-IN 4-CH Transistor DC-OUT 16-Pin DIP SMD T/R | $0.5030 – $0.6260 | 45,940 | Digi-Reel |
| IS354 | Isocom Components | Optoisolator Transistor Output 3750Vrms 1 Channel | $0.1770 – $0.2140 | 49,678 | Digi-Reel |
| No image | H11A3SM | Isocom Components | DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP SMD | $0.1020 – $0.1210 | 60,207 | Tube |
| No image | PS2501-2XSM | Isocom Components | Optoisolator Transistor Output 5300Vrms 2 Channel | $0.2700 – $0.3160 | 63,595 | Tube |
| ISP825X | Isocom Components | OPTOISO 5.3KV 2CH DARL 8DIP | $0.3710 – $1.1400 | 0 | Tube |
| TLP321-2X | Isocom Components | OPTOISO 5.3KV 2CH TRANS 8DIP | $0.2340 – $0.7800 | 0 | Tube |
 | ISP817DX | Isocom Components | OPTOISO 5.3KV TRANS 4DIP | $0.1300 – $0.5900 | 0 | Tube |
 | CNY17-2XSM | Isocom Components | Optoisolator Transistor with Base Output 5300Vrms 1 Channel 6-SMD | $0.1950 – $0.2420 | 60,640 | Tube |
| IS281B | Isocom Components | Optoisolator Transistor Output 3750Vrms 1 Channel | $0.1770 – $0.2140 | 61,537 | Tape & Reel (TR) |
 | H11AV2X | Isocom Components | OPTOISO 5.3KV TRANS W/BASE 6DIP | $0.1570 – $0.5600 | 0 | Tube |
 | TLP521-4GR | Isocom Components | OPTOISO 5.3KV 4CH TRANS 16DIP | $0.9640 – $1.7100 | 279 | Tube |
| CNY17F-1X | Isocom Components | OPTOISO 5.3KV TRANSISTOR 6DIP | $0.1570 – $0.5600 | 0 | Tube |
| No image | 6N138 | Isocom Components | OPTOISO 5KV DARL W/BASE 8DIP | $0.3110 | 0 | Tube |
| No image | ICPL0452SMT&R | Isocom Components | OPTOISO 3.75KV TRANSISTOR | $0.5500 – $0.5850 | 0 | Tape & Reel (TR) |
| 4N27X | Isocom Components | OPTOISO 5.3KV TRANS W/BASE 6DIP | $0.1570 – $0.5600 | 0 | Tube |
| IS181GB | Isocom Components | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin T/R | $0.0700 – $0.0970 | 57,631 | Tape & Reel (TR) |
| IS281E | Isocom Components | Optoisolator Transistor Output 3750Vrms 1 Channel | $0.1770 – $0.2140 | 55,117 | Tape & Reel (TR) |
| IS181B | Isocom Components | IS181 Series 1 Channel 80 V 3750 Vrms SMT Phototransistor Photocoupler SSOP-4 | $0.0830 – $0.1210 | 6,005 | Tape & Reel (TR) |
| No image | TLP321-4X | Isocom Components | OPTOISO 5.3KV 4CH TRANS 16DIP | $0.4640 – $1.4300 | 0 | Tube |
| No image | ICPL2530 | Isocom Components | DC-IN 2-CH Transistor With Base DC-OUT 8-Pin DIP Tube | $0.6140 – $0.8860 | 19,396 | Tube |
| CNY17F-1XSM | Isocom Components | OPTOISO 5.3KV TRANSISTOR 6SMD | $0.1710 – $0.6100 | 0 | Tube |
| TLP621-2XGB | Isocom Components | Optoisolator Transistor Output 53Vrms 2 Channel - | $0.2320 – $0.3350 | 32,991 | Tube |
| No image | ICPL4503 | Isocom Components | OPTOISO 5KV TRANSISTOR | $0.9640 – $1.7100 | 325 | Tube |
| IS357 | Isocom Components | ISOCOM IS357 Transistor Output Optocoupler, 1 Channel, 3.75 kV, 50 %, 50 mA, SOP, 4 Pins | $0.1280 – $0.1780 | 55,360 | Cut Tape (CT) |
| MOC8101X | Isocom Components | OPTOISO 5.3KV TRANS 6DIP | $0.1710 – $0.6100 | 0 | Tube |
| IS281C | Isocom Components | Optoisolator Transistor Output 3750Vrms 1 Channel | $0.1770 – $0.2140 | 63,498 | Tape & Reel (TR) |
| No image | SFH615A-4XSMT-R | Isocom Components | Optoisolator Transistor Output 5300Vrms 1 Channel | $0.1490 – $0.1770 | 53,309 | Cut Tape (CT) |
 | ISQ2X | Isocom Components | Optoisolator Transistor Output 3750Vrms 4 Channel 16-DIP | $0.5020 – $0.5950 | 47,331 | Tube |
| IS181C | Isocom Components | OPTOISO 3.75KV TRANS MINI-FLAT | $0.1400 – $0.2500 | 47,475 | Tape & Reel (TR) |
| TLP621XGB | Isocom Components | Isocom Components TLP621XGB Transistor OPTOISO 5.3KV 1CH TRANS 4DIP 55V Through Hole | $0.1420 – $0.1650 | 62,264 | Tube |
| ISP815X | Isocom Components | Optoisolator Darlington Output 5300Vrms 1 Channel | $0.1950 – $0.2420 | 35,676 | Tube |
| No image | SFH615A-3XSMT-R | Isocom Components | Optoisolator Transistor Output 5300Vrms 1 Channel | $0.1980 – $0.2190 | 92,400 | Cut Tape (CT) |
| ISD1X | Isocom Components | OPTOISO 5.3KV 2CH TRANS 8DIP | $0.5610 – $1.0100 | 442 | Tube |
| TLP521X | Isocom Components | Isocom Components TLP521X Transistor OPTOISO 5.3KV TRANS 4DIP 55V Through Hole | $0.1120 – $0.1300 | 38,133 | Tube |
| TLP621XSM | Isocom Components | Optoisolator Transistor Output 53Vrms 1 Channel - | $0.1210 – $0.1490 | 77,308 | Tube |
 | ISP844XSM | Isocom Components | OPTOISO 5.3KV 4CH TRANS 16SMD | $1.0610 – $1.8600 | 269 | Tube |
| IS2801-4 | Isocom Components | Quad Channel 3750 Vrms 50% CTR Optocoupler Surface Mount | $0.3500 – $0.4800 | 29,278 | Cut Tape (CT) |
| No image | MOC8108 | Isocom Components | Opto Coupler General Purpose 6 Pin DIP Photo Transistor Base Lead Not Connected | $0.1130 – $0.1410 | 45,336 | Tube |
| IS281GB | Isocom Components | Isocom Components IS281GB Transistor OPTOCOUPLER MINI-FLAT 80V 50mA Surface Mount 4-SOIC (0.173" 4.4 | $0.1000 – $0.1580 | 32,700 | Tape & Reel (TR) |
 | PS2501-1X | Isocom Components | OPTOISO 5.3KV TRANS 4DIP | $0.1300 – $0.5900 | 0 | Tube |
