# ERS1BM102M25C33T

**AISHI Aihua Group** · Aluminum Electrolytic Capacitors - Leaded · CP_Radial_D18.0mm_P7.50mm

ERS1BM102M25C33T from AISHI Aihua Group, in a CP_Radial_D18.0mm_P7.50mm. 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 | 1 | passive | Terminal 1 of a POLARISED capacitor (Capacitors / Aluminum Electrolytic Capacitors - Leaded). Which terminal is the anode (+) is not yet recorded on this page: read it from the maker's datasheet before placing. |
| 2 | 2 | passive | Terminal 2 of a POLARISED capacitor (Capacitors / Aluminum Electrolytic Capacitors - Leaded). Which terminal is the anode (+) is not yet recorded on this page: read it from the maker's datasheet before placing. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | AISHI Aihua Group |
| Package | CP_Radial_D18.0mm_P7.50mm |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature range |  | -40 |  | 105 | ℃ | Ambient temperature, continuous operation at rated voltage (6.3V.DC~120V.DC series) | 3 |
| Capacitance tolerance (code M) | C | -20 |  | 20 | % | Measured at 120Hz±20%, series equivalent circuit, 0.5Vrms or less + 1.5 to 2.0 VDC | 4 |
| Rated capacitance (code 102) | C |  | 1000 |  | µF | Measuring frequency 120Hz±20% | 10 |
| Dissipation factor (tanδ) at 80 V | tanδ |  |  | 0.08 |  | 120Hz, 20℃; table note adds 0.02 for each 1,000µF above 1,000µF | 11 |
| Leakage current | I |  |  | 3 | μA | I≤0.01CV or 3μA, whichever is greater (after 2 min); 1000±100Ω series resistor; I in μA, C in µF, V rated voltage in V | 4 |
| Surge test voltage at 80 V |  |  |  | 100 | Vdc | Applied surge voltage, 1000 cycles of charge 30±5 s and discharge 5.5±0.5 min, 15-35℃ | 11 |
| Load life time |  | 10000 |  |  | h | 105±2℃, rated voltage and rated ripple current applied; ΦD≥12.5, 16-100V column | 7 |
| Capacitance change after load life | ΔC | -20 |  | 20 | % | 105±2℃ load life test, 16-100V column (6.3V/10V are ±30%, not this part) | 7 |
| Dissipation factor after load life | tanδ |  |  | 200 | % | 105±2℃ load life test; percent of specified tanδ value | 7 |
| Capacitance change after shelf life | ΔC | -20 |  | 20 | % | 105±2℃ storage without load, then 16 h recovery; 16-100V column | 8 |
| Dissipation factor after shelf life | tanδ |  |  | 200 | % | 105±2℃ storage without load; percent of specified tanδ value | 8 |
| Capacitance change after surge test | ΔC | -20 |  | 20 | % | After 1000 surge cycles, then stabilised under standard atmosphere | 5 |
| Capacitance change after soldering heat | ΔC | -10 |  | 10 | % | Solder bath 260±5℃, immersion 10±1 s, PCB 1.6 mm | 7 |
| Capacitance change after damp heat (steady state) | ΔC | -10 |  | 10 | % | 40±2℃, 90-95% RH, 240±8 h | 7 |

## CAD (KiCad official)

- Symbol: `ERS1BM102M25C33T`
- Footprint: `Capacitor_THT:CP_Radial_D18.0mm_P7.50mm`
- 3D model: CP_Radial_D18.0mm_P7.50mm (KiCad packages3D, STEP)
- 3D model files: `ers1bm102m25c33t-etched.step` / `ers1bm102m25c33t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ers1bm102m25c33t.step` / `ers1bm102m25c33t.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [AISHI Aihua Group datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590163092081573888) (21 pp, sha256 `10522446ac57c706`, 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/ers1bm102m25c33t-datasheet.pdf)