# ERS1JM102M25OT

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

ERS1JM102M25OT 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 |
|---|---|---|---|---|---|---|---|
| Capacitance tolerance |  | -20 |  | 20 | % | Measured at 120Hz±20%, series equivalent circuit, 0.5Vrms or less + 1.5 to 2.0 VDC | 4 |
| Dissipation factor (Tanδ, Max) at 63 Vdc | tanδ |  |  | 0.09 |  | 120Hz, 20℃; add 0.02 for each 1,000µF increase above 1,000µF (not applicable at 1000µF) | 11 |
| Leakage current | I |  |  | 3 | µA | Rated voltage applied through 1000±100Ω, read after 2 min; I≤0.01CV or 3µA, whichever is greater (C in µF, V rated voltage). Printed value is the 3µA floor; 0.01CV term is formula-only | 4 |
| Surge voltage (TABLE-3) at 63 Vdc |  |  |  | 79 | Vdc | 1000 cycles: charge 30±5 s, discharge 5.5±0.5 min; test temperature 15℃-35℃ | 11 |
| Operating temperature range |  | -40 |  | 105 | ℃ | Continuous operation at rated voltage | 3 |
| Nominal capacitance (code 102) | C |  | 1000 |  | µF | Measured at 120Hz±20% | 10 |
| Capacitance change after surge test | ΔC/C | -20 |  | 20 | % | Within ±20% of initial value, after surge test (TABLE-3) | 5 |
| Capacitance change, resistance to soldering heat | ΔC/C | -10 |  | 10 | % | Solder bath 260±5℃, immersion 10±1 s, 1.6mm PCB | 7 |
| Capacitance change, damp heat (steady state) | ΔC/C | -10 |  | 10 | % | 40±2℃, 240±8 h, 90-95% RH | 7 |
| Capacitance change, load life | ΔC/C | -20 |  | 20 | % | 105±2℃, rated voltage and rated ripple current applied (±30% applies only to 6.3V, 10V) | 7 |
| Dissipation factor after load life | tanδ |  |  | 200 | % of specified value | 105±2℃, rated voltage and rated ripple current applied | 7 |
| Capacitance change, shelf life | ΔC/C | -20 |  | 20 | % | Stored without voltage at 105±2℃, then 16 h recovery; relative to value before test (±30% applies only to 6.3V, 10V) | 8 |
| Dissipation factor after shelf life | tanδ |  |  | 200 | % of specified value | Stored without voltage at 105±2℃, then 16 h recovery | 8 |
| Leakage current after shelf life | I |  |  | 200 | % of specified value | Stored without voltage at 105±2℃, then 16 h recovery | 8 |
| Capacitance change, temperature characteristic (step 4) | ΔC/C | -20 |  | 20 | % | After 2 h storage at 105℃, measured at thermal stability, relative to initial value | 5 |

## CAD (KiCad official)

- Symbol: `ERS1JM102M25OT`
- Footprint: `Capacitor_THT:CP_Radial_D18.0mm_P7.50mm`
- 3D model: CP_Radial_D18.0mm_P7.50mm (KiCad packages3D, STEP)
- 3D model files: `ers1jm102m25ot-etched.step` / `ers1jm102m25ot-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ers1jm102m25ot.step` / `ers1jm102m25ot.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/8590233258223820800) (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/ers1jm102m25ot-datasheet.pdf)