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PJE138K_R1_00001
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PANJIT International MOSFETs, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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PJE138K_R1_00001
PANJIT International · MOSFETs · SOT-523
PJE138K_R1_00001 from PANJIT International, in a SOT-523. 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 | G | input | Gate; ESD protected to 2KV HBM, with VGS rated ±20 V and threshold VGS(th) 0.8 to 1.5 V at ID=250uA. |
| 2 | S | passive | Source; continuous body-diode forward current up to 500 mA. |
| 3 | D | passive | Drain; VDS rated 50 V with continuous drain current 350 mA and pulsed 1200 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SOT-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | 50 | V | 1 | |||
| Gate-Source Voltage | VGS | 20 | V | 1 | |||
| Continuous Drain Current | ID | 350 | mA | 1 | |||
| Pulsed Drain Current | IDM | 1200 | mA | 1 | |||
| Power Dissipation | PD | 223 | mW | TA=25oC | 1 | ||
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | oC | 1 | ||
| Drain-Source Breakdown Voltage | BVDSS | 50 | V | VGS=0V,ID=250uA | 2 | ||
| Gate Threshold Voltage | VGS(th) | 0.8 | 1 | 1.5 | V | VDS=VGS, ID=250uA | 2 |
| Drain-Source On-State Resistance | RDS(on) | 0.96 | 1.6 | Ω | VGS=10V,ID=500mA | 2 | |
| Drain-Source On-State Resistance | RDS(on) | 1.25 | 2.5 | Ω | VGS=4.5V,ID=200mA | 2 | |
| Drain-Source On-State Resistance | RDS(on) | 2.73 | 4.5 | Ω | VGS=2.5V,ID=100mA | 2 | |
| Zero Gate Voltage Drain Current | IDSS | 0.01 | 1 | uA | VDS=50V,VGS=0V | 2 | |
| Gate-Source Leakage Current | IGSS | 3 | 10 | uA | VGS=+20V,VDS=0V | 2 | |
| Total Gate Charge | Qg | 0.63 | 1 | nC | VDS=25V, ID=250mA, VGS=4.5V (Note 1,2) | 2 | |
| Input Capacitance | Ciss | 25 | 50 | pF | VDS=25V, VGS=0V, f=1.0MHZ | 2 | |
| Output Capacitance | Coss | 9.5 | 20 | pF | VDS=25V, VGS=0V, f=1.0MHZ | 2 | |
| Reverse Transfer Capacitance | Crss | 2.1 | 5 | pF | VDS=25V, VGS=0V, f=1.0MHZ | 2 | |
| Turn-On Delay Time | td(on) | 2.2 | 5 | ns | VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) | 2 | |
| Turn-On Rise Time | tr | 19.2 | 38 | ns | VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) | 2 | |
| Turn-Off Delay Time | td(off) | 6.2 | 12 | ns | VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) | 2 | |
| Turn-Off Fall Time | tf | 23 | 50 | ns | VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) | 2 | |
| Maximum Continuous Drain-Source Diode Forward Current | IS | 500 | mA | 2 | |||
| Diode Forward Voltage | VSD | 0.86 | 1.5 | V | IS=500mA, VGS=0V | 2 | |
| Thermal resistance, Junction to Ambient | RθJA | 560 | oC/W | Note 3: mounted on a 1 inch square pad of copper | 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 | copper | defined as the solder mounting surface of the drain pins. mounted on a 1 inch square pad of copper | 2 |
CAD (KiCad official)
- Symbol:
PJE138K_R1_00001 - Footprint:
Package_TO_SOT_SMD:SOT-523 - 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
pje138k-r1-00001-etched.step/pje138k-r1-00001-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pje138k-r1-00001.step/pje138k-r1-00001.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PANJIT International datasheet (6 pp, sha256
94922e9511fcc27a, retrieved 2026-10-17, 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).
# PJE138K_R1_00001
**PANJIT International** · MOSFETs · SOT-523
PJE138K_R1_00001 from PANJIT International, in a SOT-523. 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 | G | input | Gate; ESD protected to 2KV HBM, with VGS rated ±20 V and threshold VGS(th) 0.8 to 1.5 V at ID=250uA. |
| 2 | S | passive | Source; continuous body-diode forward current up to 500 mA. |
| 3 | D | passive | Drain; VDS rated 50 V with continuous drain current 350 mA and pulsed 1200 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SOT-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | | | 50 | V | | 1 |
| Gate-Source Voltage | VGS | | | 20 | V | | 1 |
| Continuous Drain Current | ID | | | 350 | mA | | 1 |
| Pulsed Drain Current | IDM | | | 1200 | mA | | 1 |
| Power Dissipation | PD | | | 223 | mW | TA=25oC | 1 |
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | | 150 | oC | | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 50 | | | V | VGS=0V,ID=250uA | 2 |
| Gate Threshold Voltage | VGS(th) | 0.8 | 1 | 1.5 | V | VDS=VGS, ID=250uA | 2 |
| Drain-Source On-State Resistance | RDS(on) | | 0.96 | 1.6 | Ω | VGS=10V,ID=500mA | 2 |
| Drain-Source On-State Resistance | RDS(on) | | 1.25 | 2.5 | Ω | VGS=4.5V,ID=200mA | 2 |
| Drain-Source On-State Resistance | RDS(on) | | 2.73 | 4.5 | Ω | VGS=2.5V,ID=100mA | 2 |
| Zero Gate Voltage Drain Current | IDSS | | 0.01 | 1 | uA | VDS=50V,VGS=0V | 2 |
| Gate-Source Leakage Current | IGSS | | 3 | 10 | uA | VGS=+20V,VDS=0V | 2 |
| Total Gate Charge | Qg | | 0.63 | 1 | nC | VDS=25V, ID=250mA, VGS=4.5V (Note 1,2) | 2 |
| Input Capacitance | Ciss | | 25 | 50 | pF | VDS=25V, VGS=0V, f=1.0MHZ | 2 |
| Output Capacitance | Coss | | 9.5 | 20 | pF | VDS=25V, VGS=0V, f=1.0MHZ | 2 |
| Reverse Transfer Capacitance | Crss | | 2.1 | 5 | pF | VDS=25V, VGS=0V, f=1.0MHZ | 2 |
| Turn-On Delay Time | td(on) | | 2.2 | 5 | ns | VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) | 2 |
| Turn-On Rise Time | tr | | 19.2 | 38 | ns | VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) | 2 |
| Turn-Off Delay Time | td(off) | | 6.2 | 12 | ns | VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) | 2 |
| Turn-Off Fall Time | tf | | 23 | 50 | ns | VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) | 2 |
| Maximum Continuous Drain-Source Diode Forward Current | IS | | | 500 | mA | | 2 |
| Diode Forward Voltage | VSD | | 0.86 | 1.5 | V | IS=500mA, VGS=0V | 2 |
| Thermal resistance, Junction to Ambient | RθJA | | 560 | | oC/W | Note 3: mounted on a 1 inch square pad of copper | 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 | copper | | defined as the solder mounting surface of the drain pins. mounted on a 1 inch square pad of copper | 2 |
## CAD (KiCad official)
- Symbol: `PJE138K_R1_00001`
- Footprint: `Package_TO_SOT_SMD:SOT-523`
- 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files: `pje138k-r1-00001-etched.step` / `pje138k-r1-00001-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pje138k-r1-00001.step` / `pje138k-r1-00001.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [PANJIT International datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904082816323584) (6 pp, sha256 `94922e9511fcc27a`, retrieved 2026-10-17, 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/pje138k-r1-00001-datasheet.pdf)