component
SMMBD914LT1G
Public Made by Adomby adom
onsemi Switching Diodes, SOT-23. 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
markdownSMMBD914LT1G
onsemi · Switching Diodes · SOT-23
SMMBD914LT1G from onsemi, in a SOT-23. 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 | ANODE | passive | Diode anode terminal (STYLE 8, pin 1 ANODE); the device is rated for 100 Vdc reverse voltage and 200 mAdc forward current. |
| 2 | NC | unconnected | No connection (STYLE 8, pin 2 NO CONNECTION) on this 3-lead SOT-23 package. |
| 3 | CATHODE | passive | Diode cathode terminal (STYLE 8, pin 3 CATHODE); the device is rated for 100 Vdc reverse voltage and 200 mAdc forward current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-23 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Voltage Leakage Current (VR = 20 Vdc) | IR | 25 | nAdc | VR = 20 Vdc | 2 | ||
| Reverse Voltage Leakage Current (VR = 75 Vdc) | IR | 5 | Adc | VR = 75 Vdc | 2 | ||
| Diode Capacitance | CT | 4 | pF | VR = 0, f = 1.0 MHz | 2 | ||
| Forward Voltage | VF | 1 | Vdc | IF = 10 mAdc | 2 | ||
| Reverse Recovery Time | trr | 4 | ns | IF = IR = 10 mAdc (Figure 1) | 2 | ||
| Reverse Breakdown Voltage | V(BR) | 100 | Vdc | IR = 100 Adc | 2 | ||
| Reverse Voltage | VR | 100 | Vdc | 1 | |||
| Forward Current | IF | 200 | mAdc | 1 | |||
| Peak Forward Surge Current | IFM(surge) | 500 | mAdc | 1 | |||
| Junction and Storage Temperature Range | TJ, Tstg | -55 | 150 | °C | 1 | ||
| Total Device Dissipation, FR-5 Board (Note 1), TA = 25°C | PD | 225 | mW | FR-5 board, TA = 25°C | 1 | ||
| Thermal Resistance, Junction-to-Ambient, FR-5 Board | RJA | 556 | °C/W | FR-5 board (Note 1) | 1 | ||
| Total Device Dissipation, Alumina Substrate (Note 2), TA = 25°C | PD | 300 | mW | Alumina substrate (Note 2), TA = 25°C | 1 | ||
| Thermal Resistance, Junction-to-Ambient, Alumina Substrate | RJA | 417 | °C/W | Alumina substrate (Note 2) | 1 |
CAD (KiCad official)
- Symbol:
SMMBD914LT1G - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
smmbd914lt1g-etched.step/smmbd914lt1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smmbd914lt1g.step/smmbd914lt1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (4 pp, sha256
93918419f3183d5a, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).