| PartNumber | AQY221N1SX | AQY221N1SZ | AQY221N1S |
| Description | Solid State Relays - PCB Mount RELAY OPTO AC/DC 40V 120MA | Solid State Relays - PCB Mount PhotoMOS discontinued. Replace with AQY2 | Relay SSR 50mA 1.5V DC-IN 0.12A 40V AC/DC-OUT 4-Pin SOP Tube |
| Manufacturer | Panasonic | Panasonic | - |
| Product Category | Solid State Relays - PCB Mount | Solid State Relays - PCB Mount | - |
| RoHS | Y | E | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Relay Contact Form | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | - |
| Load Voltage Rating | 40 VAC, 40 VDC | 40 VAC, 40 VDC | - |
| Load Current Rating | 120 mA | 120 mA | - |
| Input Current | 50 mA | 50 mA | - |
| Output Type | MOSFET | MOSFET | - |
| Package / Case | SOP-4 | SOP-4 | - |
| Length | 4.4 mm | 4.4 mm | - |
| Width | 4.3 mm | 4.3 mm | - |
| Height | 2.1 mm | 2 mm | - |
| Packaging | Reel | - | - |
| Contact Form | SPST (1 Form A) | SPST (1 Form A) | - |
| Product | SSR - Solid State Relays | SSR - Solid State Relays | - |
| Termination Style | Gull Wing Lead | Gull Wing Lead | - |
| Type | Controller | Controller | - |
| Brand | Panasonic Industrial Devices | Panasonic Industrial Devices | - |
| Input to Output Isolation Method | Optocoupler | Optocoupler | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | SSR - Solid State Relays | SSR - Solid State Relays | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Relays | Relays | - |
| Tradename | PhotoMOS | - | - |
| Input Voltage | - | 5 V | - |
| Pd Power Dissipation | - | 350 mW | - |