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PS2561D-1Y-V-A
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RENESAS Transistor, Photovoltaic Output Optoisolators, DIP-4. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+56@@ -0,0 +1,56 @@+# PS2561D-1Y-V-A++**RENESAS** · Transistor, Photovoltaic Output Optoisolators · DIP-4++PS2561D-1Y-V-A from RENESAS, in a DIP-4. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | Anode | input | Anode of the input GaAs infrared LED. Forward current IF is driven into this pin (typ. 5 mA, absolute max IF = 40 mA DC, IFP = 1 A peak). Forward voltage VF = 1.2 V typ. (1.4 V max) at IF = 10 mA; VR max = 6 V. |+| 2 | Cathode | input | Cathode of the input GaAs infrared LED. Return terminal for the LED forward current; combined with pin 1 forms the input side of the photocoupler. |+| 3 | Emitter | output | Emitter of the output NPN silicon phototransistor. VECO max = 7 V. Typically tied to the output-side ground/return in the isolated circuit. |+| 4 | Collector | output | Collector of the output NPN silicon phototransistor. VCEO max = 80 V, IC max = 50 mA, VCE(sat) = 0.3 V max at IF = 10 mA / IC = 2 mA. CTR = IC/IF = 50-400% (typ. 160%) at IF = 5 mA, VCE = 5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | RENESAS |+| Package | DIP-4 |+| Category | Optoisolators |+| Pins | 4 |++## Ordering variants++Same part, different packaging or reel option.++- `PS2561D-1Y-A`+- `PS2561D-1Y-V-A`+- `PS2561DL-1Y-A`+- `PS2561DL-1Y-V-A`+- `PS2561DL-1Y-F3-A`+- `PS2561DL-1Y-V-F3-A`+- `PS2561DL1-1Y-A`+- `PS2561DL1-1Y-V-A`+- `PS2561DL2-1Y-A`+- `PS2561DL2-1Y-V-A`+- `PS2561DL2-1Y-F3-A`+- `PS2561DL2-1Y-V-F3-A`++## CAD (KiCad official)++- Symbol: `PS2561D-1Y-V-A`+- Footprint: `Package_DIP:DIP-4_W7.62mm`+- 3D model: DIP-4 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [RENESAS datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600620808011976704) (None pp, sha256 `04ff39dc9544e695`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ps2561d-1y-v-a-datasheet.pdf)
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