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ESD0504F
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MDD Microdiode Semiconductor ESD And Surge Protection (TVS/ESD), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ESD0504F
MDD Microdiode Semiconductor · ESD And Surge Protection (TVS/ESD) · SOT-363
ESD0504F from MDD Microdiode Semiconductor, in a SOT-363. 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 | Protected high-speed data line (I/O) with a reverse working voltage of 5.0 V and typical 0.20 pF I/O-to-I/O capacitance, rated for ±25 kV air and ±20 kV contact ESD per the datasheet table. |
| 2 | GND | power_in | Ground reference for the ESD clamps; the datasheet specifies I/O and Vcc clamping voltages measured to this pin. |
| 3 | I/O | bidirectional | Protected high-speed data line (I/O) with a reverse working voltage of 5.0 V and typical 0.20 pF I/O-to-I/O capacitance, rated for ±25 kV air and ±20 kV contact ESD per the datasheet table. |
| 4 | I/O | bidirectional | Protected high-speed data line (I/O) with a reverse working voltage of 5.0 V and typical 0.20 pF I/O-to-I/O capacitance, rated for ±25 kV air and ±20 kV contact ESD per the datasheet table. |
| 5 | Vcc | power_in | Protected Vcc line with a reverse working voltage of 5.0 V and a clamping voltage of 15 V at IPP = 8 A (8/20 µs) to GND. |
| 6 | I/O | bidirectional | Protected high-speed data line (I/O) with a reverse working voltage of 5.0 V and typical 0.20 pF I/O-to-I/O capacitance, rated for ±25 kV air and ±20 kV contact ESD per the datasheet table. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD Microdiode Semiconductor |
| Package | SOT-363 |
| 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 Working Voltage | VRWM | 5 | V | 2 | |||
| 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 | ||
| Parasitic Capacitance (I/O to GND) | CESD | 0.45 | 0.5 | pF | VR = 0V, f = 1MHz, between I/O 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 | ||
| Operating Temperature | TOPT | -55 | 125 | °C | 1 | ||
| Peak Pulse Power (8/20us) | PPP | 60 | W | 8/20us pulse | 1 | ||
| Lead Solder Temperature, Maximum | TL | 260 | °C | 10 second duration | 1 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 1 | ||
| Parasitic Capacitance (I/O to I/O) | CESD | 0.2 | pF | VR = 0V, f = 1MHz, between I/O and I/O | 2 | ||
| Parasitic Capacitance (Vcc to GND) | CESD | 0.8 | pF | VR = 0V, f = 1MHz, between Vcc and GND | 2 |
CAD (KiCad official)
- Symbol:
ESD0504F - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
esd0504f-etched.step/esd0504f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esd0504f.step/esd0504f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD Microdiode Semiconductor datasheet (5 pp, sha256
331dcec4bbaa1d82, 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).
# ESD0504F
**MDD Microdiode Semiconductor** · ESD And Surge Protection (TVS/ESD) · SOT-363
ESD0504F from MDD Microdiode Semiconductor, in a SOT-363. 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 | Protected high-speed data line (I/O) with a reverse working voltage of 5.0 V and typical 0.20 pF I/O-to-I/O capacitance, rated for ±25 kV air and ±20 kV contact ESD per the datasheet table. |
| 2 | GND | power_in | Ground reference for the ESD clamps; the datasheet specifies I/O and Vcc clamping voltages measured to this pin. |
| 3 | I/O | bidirectional | Protected high-speed data line (I/O) with a reverse working voltage of 5.0 V and typical 0.20 pF I/O-to-I/O capacitance, rated for ±25 kV air and ±20 kV contact ESD per the datasheet table. |
| 4 | I/O | bidirectional | Protected high-speed data line (I/O) with a reverse working voltage of 5.0 V and typical 0.20 pF I/O-to-I/O capacitance, rated for ±25 kV air and ±20 kV contact ESD per the datasheet table. |
| 5 | Vcc | power_in | Protected Vcc line with a reverse working voltage of 5.0 V and a clamping voltage of 15 V at IPP = 8 A (8/20 µs) to GND. |
| 6 | I/O | bidirectional | Protected high-speed data line (I/O) with a reverse working voltage of 5.0 V and typical 0.20 pF I/O-to-I/O capacitance, rated for ±25 kV air and ±20 kV contact ESD per the datasheet table. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD Microdiode Semiconductor |
| Package | SOT-363 |
| 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 Working Voltage | VRWM | | | 5 | V | | 2 |
| 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 |
| Parasitic Capacitance (I/O to GND) | CESD | | 0.45 | 0.5 | pF | VR = 0V, f = 1MHz, between I/O 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 |
| Operating Temperature | TOPT | -55 | | 125 | °C | | 1 |
| Peak Pulse Power (8/20us) | PPP | | | 60 | W | 8/20us pulse | 1 |
| Lead Solder Temperature, Maximum | TL | | | 260 | °C | 10 second duration | 1 |
| Storage Temperature | TSTG | -55 | | 150 | °C | | 1 |
| Parasitic Capacitance (I/O to I/O) | CESD | | 0.2 | | pF | VR = 0V, f = 1MHz, between I/O and I/O | 2 |
| Parasitic Capacitance (Vcc to GND) | CESD | | 0.8 | | pF | VR = 0V, f = 1MHz, between Vcc and GND | 2 |
## CAD (KiCad official)
- Symbol: `ESD0504F`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `esd0504f-etched.step` / `esd0504f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd0504f.step` / `esd0504f.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/8588885178286542848) (5 pp, sha256 `331dcec4bbaa1d82`, 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/esd0504f-datasheet.pdf)