component
RB400DT146
Public Made by Adomby adom
ROHM Semicon Schottky Diodes, TO-236-3(SOT-23-3). Pinout cross-checked by two models against the datasheet, 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
markdownRB400DT146
ROHM Semicon · Schottky Diodes · TO-236-3(SOT-23-3)
RB400DT146 from ROHM Semicon, in a TO-236-3(SOT-23-3). 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 | N/C | unconnected | No internal connection; left unconnected per the inner circuit diagram. |
| 2 | Anode | passive | Schottky diode anode; forward current Io 0.5 A average, VF 0.55 V max at IF=0.5 A. |
| 3 | Cathode | passive | Schottky diode cathode; reverse voltage VR 40 V max, IR 30 µA max at VR=10 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | TO-236-3(SOT-23-3) |
| Category | Diodes |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Storage temperature | Tstg | -40 | 125 | ℃ | 1 | ||
| Junction temperature | Tj | 125 | ℃ | Note (1): actual board designed so dPd/dTj<1/Rth(j-a) | 1 | ||
| Repetitive peak reverse voltage | VRM | 40 | V | Duty≦0.5 | 1 | ||
| Reverse voltage | VR | 40 | V | 1 | |||
| Average rectified forward current | Io | 0.5 | A | Glass epoxy mounted, 60Hz half sin waveform, resistive load | 1 | ||
| Peak forward surge current | IFSM | 3 | A | 60Hz half sin waveform, Non-repetitive, one cycle, Ta=25℃ | 1 | ||
| Forward voltage | VF | 0.55 | V | IF=0.5A | 1 | ||
| Reverse current (IR1) | IR1 | 30 | μA | VR=10V | 1 | ||
| Reverse current (IR2) | IR2 | 50 | μA | VR=30V | 1 |
CAD (KiCad official)
- Symbol:
RB400DT146 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
- 3D model files:
rb400dt146-etched.step/rb400dt146-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rb400dt146.step/rb400dt146.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (8 pp, sha256
e2282bc9086a1f74, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).