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ESD0504TL
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MDD Microdiode Semiconductor ESD And Surge Protection (TVS/ESD), SOT-26. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ESD0504TL
MDD Microdiode Semiconductor · ESD And Surge Protection (TVS/ESD) · SOT-26
ESD0504TL from MDD Microdiode Semiconductor, in a SOT-26. 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 | I/O | bidirectional | Data line I/O pin protected by the TVS array, with a reverse working voltage (VRWM) of 5.0 V, a minimum reverse breakdown voltage of 6.0 V at IT = 1 mA, and a maximum reverse leakage current of 1.0 µA at VRWM = 5 V. |
| 2 | GND | power_in | Ground reference for the protection array; the clamping voltage from any I/O pin to GND is 10 V at IPP = 1 A and 15 V at IPP = 4 A (8/20 µs). |
| 3 | I/O | bidirectional | Data line I/O pin protected by the TVS array, with a reverse working voltage (VRWM) of 5.0 V, a minimum reverse breakdown voltage of 6.0 V at IT = 1 mA, and a maximum reverse leakage current of 1.0 µA at VRWM = 5 V. |
| 4 | I/O | bidirectional | Data line I/O pin protected by the TVS array, with a reverse working voltage (VRWM) of 5.0 V, a minimum reverse breakdown voltage of 6.0 V at IT = 1 mA, and a maximum reverse leakage current of 1.0 µA at VRWM = 5 V. |
| 5 | Vcc | power_in | Vcc supply line protected by the TVS array, with a clamping voltage of 15 V (Vcc pin to GND) at IPP = 8 A, tp = 8/20 µs. |
| 6 | I/O | bidirectional | Data line I/O pin protected by the TVS array, with a reverse working voltage (VRWM) of 5.0 V, a minimum reverse breakdown voltage of 6.0 V at IT = 1 mA, and a maximum reverse leakage current of 1.0 µA at VRWM = 5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD Microdiode Semiconductor |
| Package | SOT-26 |
| Category | Circuit Protection |
| Pins | 6 |
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 Breakdown Voltage | VBR | 6 | V | IT = 1mA; Any I/O pin to GND | 2 | ||
| Reverse Leakage Current | IR | 1 | uA | VRWM = 5V; Any I/O pin to GND | 2 | ||
| Clamping Voltage | VC | 10 | V | IPP = 1A, tp = 8/20μs; Any I/O pin to GND | 2 | ||
| Clamping Voltage | VC | 15 | V | IPP = 4A, tp = 8/20μs; Any I/O pin to GND | 2 | ||
| Reverse Working Voltage | VRWM | 5 | V | 2 | |||
| Parasitic Capacitance (I/O to I/O) | CESD | 0.2 | 0.3 | pF | VR = 0V, f = 1MHz; Between I/O and I/O | 2 | |
| Parasitic Capacitance (I/O to GND) | CESD | 0.45 | 0.5 | pF | VR = 0V, f = 1MHz; Between I/O and GND | 2 | |
| Parasitic Capacitance (Vcc to GND) | CESD | 0.8 | pF | VR = 0V, f = 1MHz; Between Vcc and GND | 2 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | -25 | 25 | KV | 1 | ||
| ESD per IEC 61000-4-2 (Contact) | VESD | -20 | 20 | KV | 1 | ||
| Peak Pulse Power | PPP | 60 | W | 8/20us | 1 | ||
| Operating Temperature | TOPT | -55 | 125 | °C | 1 | ||
| Lead Solder Temperature (Maximum) | TL | 260 | °C | 10 second duration | 1 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
ESD0504TL - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-26 (KiCad packages3D, STEP)
- 3D model files:
esd0504tl-etched.step/esd0504tl-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esd0504tl.step/esd0504tl.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD Microdiode Semiconductor datasheet (5 pp, sha256
41e9380b393129cf, retrieved 2026-10-18, 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).
# ESD0504TL
**MDD Microdiode Semiconductor** · ESD And Surge Protection (TVS/ESD) · SOT-26
ESD0504TL from MDD Microdiode Semiconductor, in a SOT-26. 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 | I/O | bidirectional | Data line I/O pin protected by the TVS array, with a reverse working voltage (VRWM) of 5.0 V, a minimum reverse breakdown voltage of 6.0 V at IT = 1 mA, and a maximum reverse leakage current of 1.0 µA at VRWM = 5 V. |
| 2 | GND | power_in | Ground reference for the protection array; the clamping voltage from any I/O pin to GND is 10 V at IPP = 1 A and 15 V at IPP = 4 A (8/20 µs). |
| 3 | I/O | bidirectional | Data line I/O pin protected by the TVS array, with a reverse working voltage (VRWM) of 5.0 V, a minimum reverse breakdown voltage of 6.0 V at IT = 1 mA, and a maximum reverse leakage current of 1.0 µA at VRWM = 5 V. |
| 4 | I/O | bidirectional | Data line I/O pin protected by the TVS array, with a reverse working voltage (VRWM) of 5.0 V, a minimum reverse breakdown voltage of 6.0 V at IT = 1 mA, and a maximum reverse leakage current of 1.0 µA at VRWM = 5 V. |
| 5 | Vcc | power_in | Vcc supply line protected by the TVS array, with a clamping voltage of 15 V (Vcc pin to GND) at IPP = 8 A, tp = 8/20 µs. |
| 6 | I/O | bidirectional | Data line I/O pin protected by the TVS array, with a reverse working voltage (VRWM) of 5.0 V, a minimum reverse breakdown voltage of 6.0 V at IT = 1 mA, and a maximum reverse leakage current of 1.0 µA at VRWM = 5 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD Microdiode Semiconductor |
| Package | SOT-26 |
| Category | Circuit Protection |
| Pins | 6 |
## 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 Breakdown Voltage | VBR | 6 | | | V | IT = 1mA; Any I/O pin to GND | 2 |
| Reverse Leakage Current | IR | | | 1 | uA | VRWM = 5V; Any I/O pin to GND | 2 |
| Clamping Voltage | VC | | | 10 | V | IPP = 1A, tp = 8/20μs; Any I/O pin to GND | 2 |
| Clamping Voltage | VC | | | 15 | V | IPP = 4A, tp = 8/20μs; Any I/O pin to GND | 2 |
| Reverse Working Voltage | VRWM | | | 5 | V | | 2 |
| Parasitic Capacitance (I/O to I/O) | CESD | | 0.2 | 0.3 | pF | VR = 0V, f = 1MHz; Between I/O and I/O | 2 |
| Parasitic Capacitance (I/O to GND) | CESD | | 0.45 | 0.5 | pF | VR = 0V, f = 1MHz; Between I/O and GND | 2 |
| Parasitic Capacitance (Vcc to GND) | CESD | | 0.8 | | pF | VR = 0V, f = 1MHz; Between Vcc and GND | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | -25 | | 25 | KV | | 1 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -20 | | 20 | KV | | 1 |
| Peak Pulse Power | PPP | | | 60 | W | 8/20us | 1 |
| Operating Temperature | TOPT | -55 | | 125 | °C | | 1 |
| Lead Solder Temperature (Maximum) | TL | | | 260 | °C | 10 second duration | 1 |
| Storage Temperature | TSTG | -55 | | 150 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `ESD0504TL`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-26 (KiCad packages3D, STEP)
- 3D model files: `esd0504tl-etched.step` / `esd0504tl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd0504tl.step` / `esd0504tl.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MDD Microdiode Semiconductor datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913293444452352) (5 pp, sha256 `41e9380b393129cf`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/esd0504tl-datasheet.pdf)