{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"AQY221N1SZ","brand":"Panasonic Electric Works","brandSlug":"panasonic-electric-works","productSlug":"AQY221N1SZ","canonicalUrl":"https://icboms.com/panasonic-electric-works/AQY221N1SZ","factsUrl":"https://icboms.com/api/mcp/products/AQY221N1SZ","rawCanonicalId":null},"summary":{"shortDescription":"Panasonic Electric Works PhotoMOS™ AQY series, SPST-NO (1 Form A) signal relay, 120 mA load current, 0 V ~ 40 V AC/DC (RF), 4-SOP surface-mount package, gull wing terminals, tape and reel.","salesMarkdown":"## RF signal-switching parametrics The AQY221N1SZ: This is a PhotoMOS relay from the AQY series, configured as SPST-NO (1 Form A) with an AC/DC output type optimised for RF signal paths. The 120 mA load current and 40 V load voltage ceiling suit low-power switching in test equipment, instrumentation, or RF front-end bypass circuits where mechanical relay noise or bounce is unacceptable. On-state resistance maxes out at 12.5 Ohms — higher than a mechanical relay but typical for a solid-state opto-MOSFET design. ## Package and board integration Housed in a 4-SOP (0.173\", 4.40 mm body) surface-mount package with gull-wing leads, the AQY221N1SZ occupies a compact footprint on the PCB. The supplier device package is designated 4-SOP; the gull-wing termination style is standard for reflow soldering and allows visual inspection of the solder joints. Supplied in tape and reel for automated pick-and-place assembly — no manual handling required for volume production.","metaTitle":"Panasonic AQY221N1SZ PhotoMOS Relay, 120 mA, 40 V, SPST-NO","metaDescription":"Panasonic AQY221N1SZ PhotoMOS relay, SPST-NO, 120 mA load, 40 V AC/DC, 4-SOP package. Obsolete — sourced to order against RFQ. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Signal Relays"],"specifications":{"Mfr":"Panasonic Electric Works","Series":"PhotoMOS™ AQY","Circuit":"SPST-NO (1 Form A)","Package":"Tape & Reel (TR)","Output Type":"AC, DC (RF)","Load Current":"120 mA","Mounting Type":"Surface Mount","Package / Case":"4-SOP (0.173\\\", 4.40mm)","Product Status":"Obsolete","Voltage - Load":"0 V ~ 40 V","Voltage - Input":"1.14VDC","lifecycle_stage":"unknown","Termination Style":"Gull Wing","Base Product Number":"AQY22","Supplier Device Package":"4-SOP","On-State Resistance (Max)":"12.5 Ohms"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/741d0efe55c8d343f6d04d906e390942.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the AQY221N1SZ used for?","answer":"It is a solid-state relay (PhotoMOS) for switching low-level AC or DC signals, particularly in RF applications where silent, bounce-free operation is required. Typical uses include signal routing in test equipment, multiplexing in data acquisition, and bypass switching in RF front-ends."},{"question":"What is the on-state resistance of the AQY221N1SZ?","answer":"Maximum on-state resistance is 12.5 Ohms. This is higher than a mechanical relay but typical for a solid-state opto-MOSFET output; the trade-off is silent, bounce-free switching with no contact wear."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/panasonic-electric-works/AQY221N1SZ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/panasonic-electric-works/AQY221N1SZ when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}