component
B340A
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Diodes Inc 3.0 A Schottky rectifier, SMA (DO-214AC). VRRM 40 V, VF 0.50 V max @ 3 A, AEC-Q101. Datasheet-verified.
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README.mdadded+46@@ -0,0 +1,46 @@+# B340A++**Diodes Incorporated** · Schottky barrier rectifier · SMA (DO-214AC)++Surface-mount 3.0 A Schottky barrier rectifier in an SMA (DO-214AC) package. Rated for 40 V reverse voltage with a low 0.50 V max forward drop at 3 A, guard-ring die construction for transient protection, and AEC-Q101 automotive qualification. Suited to DC-DC converters, freewheeling, polarity protection, and high-efficiency low-voltage rectification.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | K | passive | Cathode terminal of the Schottky rectifier. Marked by the cathode band (and possibly a cathode notch) on the package top per the Mechanical Data section. Rated reverse voltage VRRM = 40V; typical leakage IR(MAX) = 0.5 mA @ VRRM, TA = +25°C. |+| 2 | A | passive | Anode terminal of the Schottky rectifier. Opposite end from the cathode band. Rated average rectified forward current IO = 3.0 A @ TT = +100°C; VF(MAX) = 0.50 V @ IF = 3.0 A, TA = +25°C; non-repetitive peak forward surge IFSM = 80 A (8.3 ms, single half sine). |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Schottky barrier rectifier |+| Reverse voltage (VRRM) | 40 V |+| Average forward current (IO) | 3.0 A @ 100 °C |+| Forward voltage (VF) | 0.50 V max @ 3 A |+| Reverse current (IR) | 0.5 mA max @ VRRM |+| Surge current (IFSM) | 80 A (8.3 ms half-sine) |+| Qualification | AEC-Q101 |+| Package | SMA (DO-214AC) |+| Body (L×W×H) | 4.3 × 2.6 × 2.4 mm |++## Ordering variants++- `B340A-13-F`++## CAD (KiCad official)++- Symbol: `Device:D_Schottky`+- Footprint: `Diode_SMD:D_SMA`+- 3D model: SMA / DO-214AC (KiCad packages3D)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/ds30891.pdf) (6 pp, sha256 `4eec579d89a9abbe`, 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).++[Datasheet PDF](docs/b340a-datasheet.pdf)
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