CPC1972G

@@ -0,0 +1,49 @@+# CPC1972G++**Littelfuse IXYS** · Solid State Relays (Triac Output) · DIP-6++CPC1972G from Littelfuse IXYS, in a DIP-6. 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 | LED+ | input | LED anode (positive) input. Forward-biased with typical IF = 5 mA (VF ~1.2 V) to activate the AC output. Absolute maximum input current 50 mA continuous. |+| 2 | LED- | input | LED cathode (negative) input. Reference return for the control-side LED; maximum reverse input voltage 5 V. |+| 3 | NC | unconnected | No internal connection. Leave unconnected or tie to non-critical net. |+| 4 | AC_LOAD | passive | AC load output terminal (SCR output). Bidirectional AC switch terminal, rated 550 Vrms operating / 800 Vp blocking, 250 mArms continuous load current, 3 Vrms on-state drop. Pair with pin 6 to switch the AC load. |+| 5 | NC | unconnected | No internal connection. Leave unconnected or tie to non-critical net. |+| 6 | AC_LOAD | passive | AC load output terminal (SCR output). Bidirectional AC switch terminal paired with pin 4; zero-cross switching keeps first-half-cycle turn-on <=20 V to minimize transients. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Littelfuse IXYS |+| Package | DIP-6 |+| Category | Optoisolators |+| Pins | 6 |++## Ordering variants++Same part, different packaging or reel option.++- `CPC1972GG`+- `CPC1972GGS`+- `CPC1972GGSTR`++## CAD (KiCad official)++- Symbol: `CPC1972G`+- Footprint: `Package_DIP:DIP-6_W7.62mm`+- 3D model: DIP-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Littelfuse IXYS datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600688253418946560) (7 pp, sha256 `eabcfb8ce937e546`, 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/cpc1972g-datasheet.pdf)

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