component
WI1210IF681KST-HF
Public Made by Adomby adom
DDY Inductors (SMD), 1210. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownWI1210IF681KST-HF
DDY · Inductors (SMD) · 1210
WI1210IF681KST-HF from DDY, in a 1210. 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 an unpolarised inductor or ferrite bead; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised inductor or ferrite bead; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DDY |
| Package | 1210 |
| Category | Inductors, Coils, Chokes |
| 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 |
|---|---|---|---|---|---|---|---|
| Q (minimum) | Q | 6 | Measured at 1 MHz (L test freq) | 5 | |||
| Self-resonant frequency (minimum) | SRF | 2 | MHz | 5 | |||
| DC resistance (maximum) | Rdc | 90 | Ω | 5 | |||
| Rated RMS current (maximum) | Irms | 10 | mA | 5 | |||
| Inductance tolerance (K = ±10%) | -10 | 10 | % | 5 | |||
| Operating temperature | -40 | 85 | ℃ | 4 | |||
| Storage temperature | -10 | 40 | ℃ | Storage; R.H. 65% Max | 4 | ||
| Hand soldering tip temperature (maximum) | 260 | ℃ | Hand soldering, 20 W iron, 1.0 mm tip | 6 | |||
| Hand soldering time (maximum) | 3 | s | Hand soldering | 6 | |||
| Reflow times (maximum) | 2 | times | Lead-free reflow | 6 | |||
| Inductance (nominal) | L | 680 | µH | Measured at 1 MHz | 5 | ||
| Inductance drop at saturation current | 30 | % | At Isat (Isat value not printed) | 4 |
CAD (KiCad official)
- Symbol:
WI1210IF681KST-HF - Footprint:
Inductor_SMD:L_1210_3225Metric - 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files:
wi1210if681kst-hf-etched.step/wi1210if681kst-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wi1210if681kst-hf.step/wi1210if681kst-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DDY datasheet (7 pp, sha256
fb106fb9e7fe1ea2, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).