# HBY271M1VTT-1010K

**Lelon** · Hybrid Aluminum Electrolytic Capacitors · CP_Elec_10x10

HBY271M1VTT-1010K from Lelon, in a CP_Elec_10x10. 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 | + | passive | Positive terminal (pad 1 of the CP_ footprint; symbol and 3D mark the + end). |
| 2 | - | passive | Negative terminal. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Lelon |
| Package | CP_Elec_10x10 |
| Category | Capacitors |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Capacitance tolerance |  | -20 |  | 20 | % | 120 Hz, 20℃ | 3 |
| Leakage current | ILEAK |  |  | 94.5 | µA | 20℃, after 2 minutes | 3 |
| Tan δ | tanδ |  |  | 0.12 |  | 120 Hz, 20℃ | 3 |
| ESR | ESR |  |  | 16 | mΩ | 100k Hz, 20℃ | 3 |
| Category temperature range |  | -55 |  | 125 | ℃ |  | 3 |
| Surge voltage | VS |  |  | 40.3 | VDC |  | 3 |
| Rated voltage | VR |  | 35 |  | V |  | 3 |
| Capacitance | CR |  | 270 |  | µF | 120 Hz, 20℃ | 3 |
| Impedance ratio Z(-25℃)/Z(+20℃) | Z(-25℃)/Z(+20℃) |  |  | 1.5 |  | 100k Hz | 3 |
| Impedance ratio Z(-55℃)/Z(+20℃) | Z(-55℃)/Z(+20℃) |  |  | 2 |  | 100k Hz | 3 |
| ESR ratio ESR(-25℃)/ESR(20℃) | ESR(-25℃)/ESR(20℃) |  |  | 1.5 |  | 100k Hz ± 10k Hz | 9 |
| ESR ratio ESR(-55℃)/ESR(20℃) | ESR(-55℃)/ESR(20℃) |  |  | 2 |  | 100k Hz ± 10k Hz | 9 |
| Rated ripple current | IAC,R/rms |  | 3500 |  | mA | 100k Hz, 125℃ | 3 |
| Endurance capacitance change |  | -30 |  | 30 | % | 4,000 Hrs at 125℃; VR, IAC,R | 3 |
| Endurance tan δ | tanδ |  |  | 200 | % of specified value | 4,000 Hrs at 125℃; VR, IAC,R | 3 |
| Endurance ESR | ESR |  |  | 200 | % of specified value | 4,000 Hrs at 125℃; VR, IAC,R | 3 |
| Shelf life capacitance change |  | -30 |  | 30 | % | 1,000 Hrs at 125℃ | 3 |
| Shelf life tan δ | tanδ |  |  | 200 | % of specified value | 1,000 Hrs at 125℃ | 3 |
| Shelf life ESR | ESR |  |  | 200 | % of specified value | 1,000 Hrs at 125℃ | 3 |
| Rotational temperature cycle capacitance change |  | -20 |  | 20 | % | Step1 125±3℃ 30 min, Step2 -55±3℃ 30 min, 1,000 cycles | 7 |
| High temperature endurance capacitance change (item 2) |  | -30 |  | 30 | % | Rated ripple current, 4,000 h at 125℃ | 7 |
| Un-biased humidity capacitance change |  | -30 |  | 30 | % | 2,000 h, 85% ± 5% R.H. at 85 ± 3℃ | 7 |
| Biased humidity capacitance change |  | -30 |  | 30 | % | Rated working voltage, 2,000 h, 85% ± 5% R.H. at 85 ± 3℃ | 7 |
| Vibration capacitance change |  | -10 |  | 10 | % | 5 g, 10-2,000 Hz, 4 h, X-Y-Z | 7 |
| Surge voltage test capacitance change |  | -20 |  | 20 | % | 1,000 cycles at 15-35℃, 1 kΩ series resistor | 7 |
| Resistance to soldering heat capacitance change |  | -10 |  | 10 | % | IR reflow | 8 |
| Board flex capacitance change |  | -10 |  | 10 | % | Deviation less than 2 mm, 60 (+5) seconds | 8 |
| Terminal strength capacitance change |  | -10 |  | 10 | % | 1.8 kg for 60 seconds, after two reflows | 8 |
| Mechanical shock capacitance change |  | -10 |  | 10 | % | 100 g, 6 ms, 6 shocks in X-Y-Z | 8 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | ⑧ Lead Wire and Coating Type: None = Pb free wire + coated case (Standard design) E = Sn-bi wire + coated case | 2 |

## CAD (KiCad official)

- Symbol: `HBY271M1VTT-1010K`
- Footprint: `Capacitor_SMD:CP_Elec_10x10`
- 3D model: CP_Elec_10x10 (KiCad packages3D, STEP)
- 3D model files: `hby271m1vtt-1010k-etched.step` / `hby271m1vtt-1010k-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hby271m1vtt-1010k.step` / `hby271m1vtt-1010k.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Lelon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603515409656401920) (12 pp, sha256 `83fc48511812a69f`, retrieved 2026-11-06, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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).

[Datasheet PDF](docs/hby271m1vtt-1010k-datasheet.pdf)