CNY70

@@ -0,0 +1,43 @@+# CNY70++**Vishay** · Reflective Optical Interrupters · DIP-4++CNY70 from Vishay, 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 | A | passive | Anode of the infrared emitter LED (lambda_p = 950 nm). Drive through a current-limit resistor; typical I_F = 20 mA, V_F ~= 1.25 V (max 1.6 V at 50 mA). Absolute max forward current 50 mA continuous, 3 A pulsed (t_p <= 10 us); reverse voltage max 5 V. |+| 2 | C | passive | Cathode of the infrared emitter LED. Return path for the LED forward current; typically tied to sensor GND through the current-limit resistor. |+| 3 | E | passive | Emitter of the NPN phototransistor detector. Normally tied to sensor GND (or to a sense resistor for emitter-follower readout). |+| 4 | C | passive | Collector of the NPN phototransistor detector. Pull up through a load resistor to Vcc (V_CEO max 32 V, I_C max 50 mA). Typical output current under test I_C = 1 mA at I_F = 20 mA with a Kodak neutral card (white side) at d = 0.3 mm; dark current I_CEO <= 200 nA at V_CE = 20 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Vishay |+| Package | DIP-4 |+| Category | Sensor |+| Pins | 4 |++## Ordering variants++- `CNY70`++## CAD (KiCad official)++- Symbol: `CNY70`+- 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:** [Vishay datasheet](docs/cny70-datasheet.pdf) (11 pp, sha256 `cac0716ccafb5b0b`, retrieved 2026-08-17, tier: manufacturer)+- **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/cny70-datasheet.pdf)

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