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Panasonic Electric Works AQY221N1S — Signal Relays

Panasonic AQY221N1S PhotoMOS Relay, SPST-NO, 120 mA, 40 V

MPNAQY221N1S
Obsolete

Panasonic Electric Works PhotoMOS™ AQY series, SPST-NO (1 Form A) signal relay, 120 mA load current, 0 V ~ 40 V load voltage, 4-SOP surface mount package, gull wing terminals.

Panasonic Electric Works AQY221N1S datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

AQY221N1S specifications
ParameterValue
SeriesPhotoMOS™ AQY
Output typeAC, DC (RF)
MountingSurface Mount
Voltage - load0 V ~ 40 V
Voltage - input1.14VDC
Load current120 mA
CircuitSPST-NO (1 Form A)
PackageTube
Case4-SOP (0.173\", 4.40mm)
Termination styleGull Wing
On-State resistance12.5 Ohms

Product details

PhotoMOS AQY — RF signal relay in a 4-SOP package

The AQY221N1S is a member of the Panasonic PhotoMOS™ AQY series, a family of solid-state relays designed for signal-level switching where low on-resistance and fast, bounce-free operation are required. The SPST-NO (1 Form A) circuit handles AC or DC loads up to 120 mA across a 0 V to 40 V range, with a maximum on-state resistance of 12.5 Ohms.

Obsolete — sourcing through independent channels

Panasonic Electric Works lists the AQY221N1S as obsolete. No official successor order code is recorded.

Frequently asked questions

What is the closest pin-compatible alternative to the AQY221N1S?

No official pin-compatible successor is recorded from Panasonic Electric Works. The PhotoMOS AQY series includes other SPST-NO parts in the same 4-SOP package, but parametric differences (load current, voltage, on-resistance) must be verified against the BOM requirement.