component
WCAP-ATUL 100 µF 25 V
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Würth WCAP-ATUL 100 µF 25 V aluminum electrolytic, radial 6.3x11 mm. 105 °C, 5000 h, polarized. Datasheet-verified.
3D Model
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Symbol & Footprint
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PCB Footprint
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Datasheet
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README
markdown860040473003
Würth Elektronik · Aluminum electrolytic (radial) · Radial THT, 6.3 x 11.0 mm (P=2.5 mm)
100 µF, 25 V polarized aluminum electrolytic capacitor in a radial through-hole 6.3 mm x 11 mm can (2.5 mm lead pitch), from Würth's WCAP-ATUL series. Rated 105 °C with 5000 h load life, 350 mA ripple current at 100 kHz, and 0.25 ohm impedance. The default bulk / reservoir capacitor for power-supply smoothing and local energy storage. Polarized: observe the + and - terminals.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | + | passive | Positive (anode) terminal of the polarized aluminum electrolytic capacitor. Must be biased positive relative to the negative terminal; reverse voltage can damage or destroy the capacitor. Rated working voltage 25 V DC. |
| 2 | - | passive | Negative (cathode) terminal of the polarized aluminum electrolytic capacitor. Identified by the shorter lead wire and by a color band with minus signs on the sleeve. |
Key specifications
| Parameter | Value |
|---|---|
| Type | Aluminum electrolytic (radial, polarized) |
| Capacitance | 100 µF ±20% |
| Rated voltage | 25 VDC |
| Rated temperature | 105 °C |
| Load life | 5000 h @ 105 °C |
| Ripple current | 350 mA @ 100 kHz |
| Impedance / ESR | 0.25 Ω @ 100 kHz |
| Package | Radial THT, 6.3 x 11 mm (2.5 mm pitch) |
| Body (Ø×H) | 6.3 × 11.0 mm |
Ordering variants
Same part, different packaging or reel option.
860040473003 (radial 6.3x11 mm, bulk)
CAD (KiCad official)
- Symbol:
Device:C_Polarized - Footprint:
Capacitor_THT:CP_Radial_D6.3mm_P2.50mm - 3D model: CP_Radial_D6.3mm_P2.50mm (KiCad packages3D)
- 3D model files:
electrolytic-100uf-25v-etched.step/electrolytic-100uf-25v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);electrolytic-100uf-25v.step/electrolytic-100uf-25v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Würth Elektronik datasheet (7 pp, sha256
b611e617c41ef496, retrieved 2026-08-17, tier: manufacturer) - Extractor:
ds2sf(Claude) — every pin and dimension is cited to a datasheet page; refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).