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X0405S-KTP
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KTP Thyristors (SCR)/Modules, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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X0405S-KTP
KTP · Thyristors (SCR)/Modules · TO-252
X0405S-KTP from KTP, in a TO-252. 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 | K | passive | Cathode (K(1)) of the sensitive-gate SCR, the load-current return terminal; device is rated 600V VDRM/VRRM and 4A IT(RMS). |
| 2 | A | passive | Anode (A(2)) of the SCR, also the tab; rated 600V repetitive peak off-state/reverse voltage and 4.0A RMS on-state current. |
| 3 | G | input | Gate (G(3)) trigger input; IGT max 200µA and VGT max 0.8V at VD=12V, peak gate current 1.2A, average gate power 0.2W. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KTP |
| Package | TO-252 |
| Category | Transistors/Thyristors |
| 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 junction temperature range | Tstg | -40 | 150 | ℃ | 1 | ||
| Operating junction temperature range | Tj | -40 | 125 | ℃ | 1 | ||
| Repetitive peak off-state voltage | VDRM | 600 | V | T=25℃ | 1 | ||
| Repetitive peak reverse voltage | VRRM | 600 | V | T=25℃ | 1 | ||
| RMS on-state current | IT(RMS) | 4 | A | T=60℃ | 1 | ||
| Non repetitive surge peak on-state current | ITSM | 30 | A | 180° conduction angle, F=50Hz | 1 | ||
| Average on-state current | IT(AV) | 2.5 | A | 180° conduction angle | 1 | ||
| I2t value for fusing | I2t | 4.5 | A2S | tp=10ms | 1 | ||
| Critical rate of rise of on-state current | dI/dt | 50 | A/μS | I=2×IGT, tr ≤ 100 ns | 1 | ||
| Peak gate current | IGM | 1.2 | A | 1 | |||
| Average gate power dissipation | PG(AV) | 0.2 | W | 1 | |||
| Gate trigger current | IGT | 200 | µA | V =12V R =140Ω | 2 | ||
| Gate trigger voltage | VGT | 0.8 | V | 2 | |||
| Gate non-trigger voltage | VGD | 0.1 | V | VD=VDRM Tj=125℃ R=1KΩ | 2 | ||
| Latching current | IL | 6 | mA | IG=1.2IGT | 2 | ||
| Holding current | IH | 5 | mA | IT=50mA | 2 | ||
| Critical rate of rise of off-state voltage | dV/dt | 10 | V/μs | VD=2/3VDRM Gate Open Tj=125℃ | 2 | ||
| On-state voltage | VTM | 1.65 | V | ITM=8.0A tp=380μs Tj=25℃ | 2 | ||
| Peak off-state current | IDRM | 5 | μA | VD=VDRM VR=VRRM Tj=25℃ | 2 | ||
| Peak reverse current | IRRM | 1 | mA | Tj=125℃ | 2 | ||
| Thermal resistance junction to tab (DC), TO-252 | Rth(j-t) | 6.5 | ℃/W | Junction to tab (DC), TO-252 package | 1 |
CAD (KiCad official)
- Symbol:
X0405S-KTP - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files:
x0405s-ktp-etched.step/x0405s-ktp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);x0405s-ktp.step/x0405s-ktp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KTP datasheet (4 pp, sha256
8bf1f8018ff07da8, retrieved 2026-10-18, 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).
# X0405S-KTP
**KTP** · Thyristors (SCR)/Modules · TO-252
X0405S-KTP from KTP, in a TO-252. 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 | K | passive | Cathode (K(1)) of the sensitive-gate SCR, the load-current return terminal; device is rated 600V VDRM/VRRM and 4A IT(RMS). |
| 2 | A | passive | Anode (A(2)) of the SCR, also the tab; rated 600V repetitive peak off-state/reverse voltage and 4.0A RMS on-state current. |
| 3 | G | input | Gate (G(3)) trigger input; IGT max 200µA and VGT max 0.8V at VD=12V, peak gate current 1.2A, average gate power 0.2W. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KTP |
| Package | TO-252 |
| Category | Transistors/Thyristors |
| 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 junction temperature range | Tstg | -40 | | 150 | ℃ | | 1 |
| Operating junction temperature range | Tj | -40 | | 125 | ℃ | | 1 |
| Repetitive peak off-state voltage | VDRM | | | 600 | V | T=25℃ | 1 |
| Repetitive peak reverse voltage | VRRM | | | 600 | V | T=25℃ | 1 |
| RMS on-state current | IT(RMS) | | | 4 | A | T=60℃ | 1 |
| Non repetitive surge peak on-state current | ITSM | | | 30 | A | 180° conduction angle, F=50Hz | 1 |
| Average on-state current | IT(AV) | | | 2.5 | A | 180° conduction angle | 1 |
| I2t value for fusing | I2t | | | 4.5 | A2S | tp=10ms | 1 |
| Critical rate of rise of on-state current | dI/dt | | | 50 | A/μS | I=2×IGT, tr ≤ 100 ns | 1 |
| Peak gate current | IGM | | | 1.2 | A | | 1 |
| Average gate power dissipation | PG(AV) | | | 0.2 | W | | 1 |
| Gate trigger current | IGT | | | 200 | µA | V =12V R =140Ω | 2 |
| Gate trigger voltage | VGT | | | 0.8 | V | | 2 |
| Gate non-trigger voltage | VGD | 0.1 | | | V | VD=VDRM Tj=125℃ R=1KΩ | 2 |
| Latching current | IL | | | 6 | mA | IG=1.2IGT | 2 |
| Holding current | IH | | | 5 | mA | IT=50mA | 2 |
| Critical rate of rise of off-state voltage | dV/dt | 10 | | | V/μs | VD=2/3VDRM Gate Open Tj=125℃ | 2 |
| On-state voltage | VTM | | | 1.65 | V | ITM=8.0A tp=380μs Tj=25℃ | 2 |
| Peak off-state current | IDRM | | | 5 | μA | VD=VDRM VR=VRRM Tj=25℃ | 2 |
| Peak reverse current | IRRM | | | 1 | mA | Tj=125℃ | 2 |
| Thermal resistance junction to tab (DC), TO-252 | Rth(j-t) | | 6.5 | | ℃/W | Junction to tab (DC), TO-252 package | 1 |
## CAD (KiCad official)
- Symbol: `X0405S-KTP`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `x0405s-ktp-etched.step` / `x0405s-ktp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `x0405s-ktp.step` / `x0405s-ktp.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [KTP datasheet](docs/x0405s-ktp-datasheet.pdf) (4 pp, sha256 `8bf1f8018ff07da8`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).
[Datasheet PDF](docs/x0405s-ktp-datasheet.pdf)