component
CDSOT23-SRV05-4
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BOURNS ESD And Surge Protection (TVS/ESD), SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CDSOT23-SRV05-4
BOURNS · ESD And Surge Protection (TVS/ESD) · SOT-23-6
CDSOT23-SRV05-4 from BOURNS, in a SOT-23-6. 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 1 | bidirectional | Protected I/O line 1 of the four-line steering diode TVS array, rated for a 5 V working peak reverse voltage and 30 kV contact/air ESD protection per IEC 61000-4-2. |
| 2 | GND | power_in | Ground pin of the steering diode array, shown as GND in the block diagram; the datasheet gives no further electrical limit for it. |
| 3 | I/O 2 | bidirectional | Protected I/O line 2 of the four-line steering diode TVS array, rated for a 5 V working peak reverse voltage and 30 kV contact/air ESD protection per IEC 61000-4-2. |
| 4 | I/O 3 | bidirectional | Protected I/O line 3 of the four-line steering diode TVS array, rated for a 5 V working peak reverse voltage and 30 kV contact/air ESD protection per IEC 61000-4-2. |
| 5 | REF | passive | Reference pin of the steering diode array, labelled REF in the block diagram; the datasheet does not state its voltage or required connection. |
| 6 | I/O 4 | bidirectional | Protected I/O line 4 of the four-line steering diode TVS array, rated for a 5 V working peak reverse voltage and 30 kV contact/air ESD protection per IEC 61000-4-2. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| Package | SOT-23-6 |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Current (tp = 8/20 μs) | IPP | 30 | A | tp = 8/20 μs | 1 | ||
| Peak Pulse Power (tp = 8/20 μs) | PPP | 500 | W | tp = 8/20 μs; see Peak Pulse Power vs. Pulse Time (note 1) | 1 | ||
| Working Peak Reverse Voltage | VWM | 5 | V | 1 | |||
| Breakdown Voltage | VBR | 6 | V | @ 1 mA | 1 | ||
| Leakage Current | ID | 5 | μA | @ VWM | 1 | ||
| Capacitance | Cj(SD) | 3.5 | 5 | pF | 1 | ||
| Forward Surge Rating (VF) | VF | 1.5 | V | 1/20 s @ 25 °C, IF = 10 mA | 1 | ||
| Clamping Voltage | VC | 12 | V | per IEC 61000-4-5 (8/20 μs), @ IPP = 1 A | 1 | ||
| Clamping Voltage | VC | 15 | V | per IEC 61000-4-5 (8/20 μs), @ IPP = 5 A | 1 | ||
| ESD Protection, Contact Discharge | ESD | 30 | kV | per IEC 61000-4-2, contact discharge | 1 | ||
| ESD Protection, Air Discharge | ESD | 30 | kV | per IEC 61000-4-2, air discharge | 1 | ||
| EFT Protection | EFT | 2 | kV | per IEC 61000-4-4 Level 4, I/O, signal, data & control lines @ 5/50 ns | 1 | ||
| Operating Temperature | TJ | -55 | 25 | 150 | °C | 1 | |
| Storage Temperature | TSTG | -55 | 25 | 150 | °C | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | This is a molded JEDEC SOT23-6 package with 100 % Matte Sn on the lead frame. It weighs approximately 15 mg and has a flammability Product Dimensions Recommended Footprint | 2 |
CAD (KiCad official)
- Symbol:
CDSOT23-SRV05-4 - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
cdsot23-srv05-4-etched.step/cdsot23-srv05-4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cdsot23-srv05-4.step/cdsot23-srv05-4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (5 pp, sha256
38f60efd64aeddf9, 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).
# CDSOT23-SRV05-4
**BOURNS** · ESD And Surge Protection (TVS/ESD) · SOT-23-6
CDSOT23-SRV05-4 from BOURNS, in a SOT-23-6. 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 1 | bidirectional | Protected I/O line 1 of the four-line steering diode TVS array, rated for a 5 V working peak reverse voltage and 30 kV contact/air ESD protection per IEC 61000-4-2. |
| 2 | GND | power_in | Ground pin of the steering diode array, shown as GND in the block diagram; the datasheet gives no further electrical limit for it. |
| 3 | I/O 2 | bidirectional | Protected I/O line 2 of the four-line steering diode TVS array, rated for a 5 V working peak reverse voltage and 30 kV contact/air ESD protection per IEC 61000-4-2. |
| 4 | I/O 3 | bidirectional | Protected I/O line 3 of the four-line steering diode TVS array, rated for a 5 V working peak reverse voltage and 30 kV contact/air ESD protection per IEC 61000-4-2. |
| 5 | REF | passive | Reference pin of the steering diode array, labelled REF in the block diagram; the datasheet does not state its voltage or required connection. |
| 6 | I/O 4 | bidirectional | Protected I/O line 4 of the four-line steering diode TVS array, rated for a 5 V working peak reverse voltage and 30 kV contact/air ESD protection per IEC 61000-4-2. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| Package | SOT-23-6 |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Current (tp = 8/20 μs) | IPP | | | 30 | A | tp = 8/20 μs | 1 |
| Peak Pulse Power (tp = 8/20 μs) | PPP | | | 500 | W | tp = 8/20 μs; see Peak Pulse Power vs. Pulse Time (note 1) | 1 |
| Working Peak Reverse Voltage | VWM | | | 5 | V | | 1 |
| Breakdown Voltage | VBR | 6 | | | V | @ 1 mA | 1 |
| Leakage Current | ID | | | 5 | μA | @ VWM | 1 |
| Capacitance | Cj(SD) | | 3.5 | 5 | pF | | 1 |
| Forward Surge Rating (VF) | VF | | | 1.5 | V | 1/20 s @ 25 °C, IF = 10 mA | 1 |
| Clamping Voltage | VC | | | 12 | V | per IEC 61000-4-5 (8/20 μs), @ IPP = 1 A | 1 |
| Clamping Voltage | VC | | | 15 | V | per IEC 61000-4-5 (8/20 μs), @ IPP = 5 A | 1 |
| ESD Protection, Contact Discharge | ESD | | | 30 | kV | per IEC 61000-4-2, contact discharge | 1 |
| ESD Protection, Air Discharge | ESD | | | 30 | kV | per IEC 61000-4-2, air discharge | 1 |
| EFT Protection | EFT | | | 2 | kV | per IEC 61000-4-4 Level 4, I/O, signal, data & control lines @ 5/50 ns | 1 |
| Operating Temperature | TJ | -55 | 25 | 150 | °C | | 1 |
| Storage Temperature | TSTG | -55 | 25 | 150 | °C | | 1 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | This is a molded JEDEC SOT23-6 package with 100 % Matte Sn on the lead frame. It weighs approximately 15 mg and has a flammability Product Dimensions Recommended Footprint | 2 |
## CAD (KiCad official)
- Symbol: `CDSOT23-SRV05-4`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `cdsot23-srv05-4-etched.step` / `cdsot23-srv05-4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cdsot23-srv05-4.step` / `cdsot23-srv05-4.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [BOURNS datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899152998227968) (5 pp, sha256 `38f60efd64aeddf9`, 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/cdsot23-srv05-4-datasheet.pdf)