component
JY1117E50AX
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Shenzhen JingYang Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownJY1117E50AX
Shenzhen JingYang · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-3
JY1117E50AX from Shenzhen JingYang, in a SOT-223-3. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | ADJ (GND) | power_in | In the fixed-output 5.0V version this pin is ground; in adjustable versions a resistor divider from this pin to VOUT and ground sets the output voltage (page 2 notes 'Ground only for Fixed-Mode'). |
| 2 | VOUT | power_out | Regulator output, which needs a minimum 3.3uF electrolytic capacitor (10mΩ ≤ ESR ≤ 1Ω) to ground for stability, and a minimum 0.2uF X7R or X5R dielectric if ceramic output capacitors are used to prevent oscillation. |
| 3 | VIN | power_in | Input supply pin that must always be at least 1.5V higher than VOUT for proper regulation, with a large storage capacitor to ground recommended, and an absolute maximum DC supply of -0.3 to 15V and operating input range of 2.7 to 12V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen JingYang |
| Package | SOT-223-3 |
| Category | Power Management (PMIC) |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
JY1117E50AX - Footprint:
Package_TO_SOT_SMD:SOT-223-3_TabPin2 - 3D model: SOT-223-3 (KiCad packages3D, STEP)
- 3D model files:
jy1117e50ax-etched.step/jy1117e50ax-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jy1117e50ax.step/jy1117e50ax.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen JingYang datasheet (14 pp, sha256
57cb2a2d195178a6, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).