component
SI4559ADY-T1-E3-VB
Public Made by Adomby adom
VBsemi Elec MOSFETs, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SI4559ADY-T1-E3-VB
VBsemi Elec · MOSFETs · SO-8
SI4559ADY-T1-E3-VB from VBsemi Elec, in a SO-8. 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 | S1 | passive | Source terminal of the N-channel MOSFET (60 V, RDS(on) 0.026 Ω at VGS = 10 V); the N-channel half of the dual device. |
| 2 | G1 | input | Gate terminal of the N-channel MOSFET; VGS is rated ±20 V. |
| 3 | S2 | passive | Source terminal of the P-channel MOSFET (-60 V, RDS(on) 0.055 Ω at VGS = -10 V); the P-channel half of the dual device. |
| 4 | G2 | input | Gate terminal of the P-channel MOSFET; VGS is rated ±20 V. |
| 5 | D2 | passive | Drain terminal of the P-channel MOSFET, internally common with pin 6. |
| 6 | D2 | passive | Drain terminal of the P-channel MOSFET, internally common with pin 5. |
| 7 | D1 | passive | Drain terminal of the N-channel MOSFET, internally common with pin 8. |
| 8 | D1 | passive | Drain terminal of the N-channel MOSFET, internally common with pin 7. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | VBsemi Elec |
| Package | SO-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |
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 (N-Channel) | VDS | 60 | V | N-Channel | 1 | ||
| Drain-Source Voltage (P-Channel) | VDS | -60 | V | P-Channel | 1 | ||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current (N-Channel) | ID | 5.3 | A | TC = 25 °C, TJ = 150 °C | 1 | ||
| Continuous Drain Current (P-Channel) | ID | -4.9 | A | TC = 25 °C, TJ = 150 °C | 1 | ||
| Continuous Drain Current (N-Channel) | ID | 4.3 | A | TC = 70 °C | 1 | ||
| Continuous Drain Current (P-Channel) | ID | -4.2 | A | TC = 70 °C | 1 | ||
| Continuous Drain Current (P-Channel) | ID | -4 | A | TA = 25 °C (footnotes b, c) | 1 | ||
| Continuous Drain Current (N-Channel) | ID | 3.4 | A | TA = 70 °C (footnotes b, c) | 1 | ||
| Continuous Drain Current (P-Channel) | ID | -3.4 | A | TA = 70 °C (footnotes b, c) | 1 | ||
| Pulsed Drain Current (N-Channel) | IDM | 20 | A | 10 µs pulse width | 1 | ||
| Pulsed Drain Current (P-Channel) | IDM | -25 | A | 10 µs pulse width | 1 | ||
| Source Drain Current Diode Current (N-Channel) | IS | 2.6 | A | TC = 25 °C | 1 | ||
| Source Drain Current Diode Current (P-Channel) | IS | -2.8 | A | TC = 25 °C | 1 | ||
| Source Drain Current Diode Current (N-Channel) | IS | 1.7 | A | TA = 25 °C (footnotes b, c) | 1 | ||
| Source Drain Current Diode Current (P-Channel) | IS | -1.7 | A | TA = 25 °C (footnotes b, c) | 1 | ||
| Pulsed Source-Drain Current (N-Channel) | ISM | 20 | A | 1 | |||
| Pulsed Source-Drain Current (P-Channel) | ISM | -25 | A | 1 | |||
| Single Pulse Avalanche Current (N-Channel) | IAS | 11 | L = 0.1 mH | 1 | |||
| Single Pulse Avalanche Current (P-Channel) | IAS | 15 | L = 0.1 mH | 1 | |||
| Single Pulse Avalanche Energy (N-Channel) | EAS | 6.1 | mJ | 1 | |||
| Single Pulse Avalanche Energy (P-Channel) | EAS | 11 | mJ | 1 | |||
| Maximum Power Dissipation (N-Channel) | PD | 3.1 | W | TC = 25 °C | 1 | ||
| Maximum Power Dissipation (P-Channel) | PD | 3.4 | W | TC = 25 °C | 1 | ||
| Maximum Power Dissipation (N- and P-Channel) | PD | 2 | W | TA = 25 °C (footnotes b, c) | 1 | ||
| Maximum Power Dissipation (N- and P-Channel) | PD | 1.3 | W | TA = 70 °C (footnotes b, c) | 1 | ||
| Operating Junction and Storage Temperature Range | TJ, Tstg | -55 | 150 | °C | 1 | ||
| Maximum Junction-to-Ambient (N-Channel) | RthJA | 55 | 62.5 | °C/W | t ≤ 10 s (footnotes b, d) | 1 | |
| Maximum Junction-to-Ambient (P-Channel) | RthJA | 53 | 62.5 | °C/W | t ≤ 10 s (footnotes b, d) | 1 | |
| Maximum Junction-to-Foot (Drain) (N-Channel) | RthJF | 33 | 40 | °C/W | Steady State | 1 | |
| Maximum Junction-to-Foot (Drain) (P-Channel) | RthJF | 30 | 37 | °C/W | Steady State | 1 | |
| Maximum Junction-to-Ambient, steady state (N- and P-Channel, note d) | RthJA | 110 | °C/W | Steady State | 1 | ||
| Drain-Source Breakdown Voltage (N-Channel) | VDS | 60 | V | VGS = 0 V, ID = 250 µA | 2 | ||
| Drain-Source Breakdown Voltage (P-Channel) | VDS | -60 | V | VGS = 0 V, ID = -250 µA | 2 | ||
| Gate Threshold Voltage (N-Channel) | VGS(th) | 1 | 3 | V | VDS = VGS, ID = 250 µA | 2 | |
| Gate Threshold Voltage (P-Channel) | VGS(th) | -1 | -3 | V | VDS = VGS, ID = -250 µA | 2 | |
| Gate-Body Leakage (N-Channel) | IGSS | 100 | nA | VDS = 0 V, VGS = ±20 V | 2 | ||
| Gate-Body Leakage (P-Channel) | IGSS | -100 | nA | VDS = 0 V, VGS = ±20 V | 2 | ||
| Zero Gate Voltage Drain Current (N-Channel) | IDSS | 1 | µA | VDS = 60 V, VGS = 0 V | 2 | ||
| Zero Gate Voltage Drain Current (P-Channel) | IDSS | -1 | µA | VDS = -60 V, VGS = 0 V | 2 | ||
| Zero Gate Voltage Drain Current (N-Channel) | IDSS | 10 | µA | VDS = 60 V, VGS = 0 V, TJ = 55 °C | 2 | ||
| Zero Gate Voltage Drain Current (P-Channel) | IDSS | -10 | µA | VDS = -60 V, VGS = 0 V, TJ = 55 °C | 2 | ||
| On-State Drain Current (N-Channel) | ID(on) | 20 | A | VDS ≥ 5 V, VGS = 10 V | 2 | ||
| On-State Drain Current (P-Channel) | ID(on) | -25 | A | VDS ≤ -5 V, VGS = -10 V | 2 | ||
| Drain-Source On-State Resistance (P-Channel) | RDS(on) | 0.055 | Ω | VGS = -10 V, ID = -3.1 A | 2 | ||
| Drain-Source On-State Resistance (N-Channel) | RDS(on) | 0.029 | Ω | VGS = 4.5 V, ID = 3.9 A | 2 | ||
| Drain-Source On-State Resistance (P-Channel) | RDS(on) | 0.06 | Ω | VGS = -4.5 V, ID = -0.2 A | 2 | ||
| Total Gate Charge (N-Channel) | Qg | 13 | 20 | nC | VDS = 30 V, VGS = 10 V, ID = 4.3 A | 2 | |
| Total Gate Charge (P-Channel) | Qg | 14.5 | 22 | nC | VDS = -30 V, VGS = -10 V, ID = -3.1 A | 2 | |
| Total Gate Charge (N-Channel) | Qg | 6 | 9 | nC | VDS = 30 V, VGS = 4.5 V, ID = 4.3 A | 2 | |
| Total Gate Charge (P-Channel) | Qg | 8 | 12 | nC | VDS = -30 V, VGS = -4.5 V, ID = -3.1 A | 2 | |
| Gate Resistance (N-Channel) | Rg | 2 | 3 | Ω | f = 1 MHz | 2 | |
| Gate Resistance (P-Channel) | Rg | 14 | 20 | Ω | f = 1 MHz | 2 | |
| Body Diode Voltage (N-Channel) | VSD | 0.8 | 1.2 | V | IS = 1.7 A | 3 | |
| Body Diode Voltage (P-Channel) | VSD | -0.8 | -1.2 | V | IS = -2 A | 3 | |
| Body Diode Reverse Recovery Time (N-Channel) | trr | 30 | 60 | ns | IF = 1.7 A, dI/dt = 100 A/µs, TJ = 25 °C | 3 | |
| Body Diode Reverse Recovery Time (P-Channel) | trr | 30 | 50 | ns | IF = -2 A, dI/dt = -100 A/µs, TJ = 25 °C | 3 |
CAD (KiCad official)
- Symbol:
SI4559ADY-T1-E3-VB - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files:
si4559ady-t1-e3-vb-etched.step/si4559ady-t1-e3-vb-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);si4559ady-t1-e3-vb.step/si4559ady-t1-e3-vb.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: VBsemi Elec datasheet (14 pp, sha256
a201cc481e5106b6, retrieved 2026-11-05, 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).
# SI4559ADY-T1-E3-VB
**VBsemi Elec** · MOSFETs · SO-8
SI4559ADY-T1-E3-VB from VBsemi Elec, in a SO-8. 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 | S1 | passive | Source terminal of the N-channel MOSFET (60 V, RDS(on) 0.026 Ω at VGS = 10 V); the N-channel half of the dual device. |
| 2 | G1 | input | Gate terminal of the N-channel MOSFET; VGS is rated ±20 V. |
| 3 | S2 | passive | Source terminal of the P-channel MOSFET (-60 V, RDS(on) 0.055 Ω at VGS = -10 V); the P-channel half of the dual device. |
| 4 | G2 | input | Gate terminal of the P-channel MOSFET; VGS is rated ±20 V. |
| 5 | D2 | passive | Drain terminal of the P-channel MOSFET, internally common with pin 6. |
| 6 | D2 | passive | Drain terminal of the P-channel MOSFET, internally common with pin 5. |
| 7 | D1 | passive | Drain terminal of the N-channel MOSFET, internally common with pin 8. |
| 8 | D1 | passive | Drain terminal of the N-channel MOSFET, internally common with pin 7. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | VBsemi Elec |
| Package | SO-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |
## 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 (N-Channel) | VDS | | | 60 | V | N-Channel | 1 |
| Drain-Source Voltage (P-Channel) | VDS | | | -60 | V | P-Channel | 1 |
| Gate-Source Voltage | VGS | -20 | | 20 | V | | 1 |
| Continuous Drain Current (N-Channel) | ID | | | 5.3 | A | TC = 25 °C, TJ = 150 °C | 1 |
| Continuous Drain Current (P-Channel) | ID | | | -4.9 | A | TC = 25 °C, TJ = 150 °C | 1 |
| Continuous Drain Current (N-Channel) | ID | | | 4.3 | A | TC = 70 °C | 1 |
| Continuous Drain Current (P-Channel) | ID | | | -4.2 | A | TC = 70 °C | 1 |
| Continuous Drain Current (P-Channel) | ID | | | -4 | A | TA = 25 °C (footnotes b, c) | 1 |
| Continuous Drain Current (N-Channel) | ID | | | 3.4 | A | TA = 70 °C (footnotes b, c) | 1 |
| Continuous Drain Current (P-Channel) | ID | | | -3.4 | A | TA = 70 °C (footnotes b, c) | 1 |
| Pulsed Drain Current (N-Channel) | IDM | | | 20 | A | 10 µs pulse width | 1 |
| Pulsed Drain Current (P-Channel) | IDM | | | -25 | A | 10 µs pulse width | 1 |
| Source Drain Current Diode Current (N-Channel) | IS | | | 2.6 | A | TC = 25 °C | 1 |
| Source Drain Current Diode Current (P-Channel) | IS | | | -2.8 | A | TC = 25 °C | 1 |
| Source Drain Current Diode Current (N-Channel) | IS | | | 1.7 | A | TA = 25 °C (footnotes b, c) | 1 |
| Source Drain Current Diode Current (P-Channel) | IS | | | -1.7 | A | TA = 25 °C (footnotes b, c) | 1 |
| Pulsed Source-Drain Current (N-Channel) | ISM | | | 20 | A | | 1 |
| Pulsed Source-Drain Current (P-Channel) | ISM | | | -25 | A | | 1 |
| Single Pulse Avalanche Current (N-Channel) | IAS | | | 11 | | L = 0.1 mH | 1 |
| Single Pulse Avalanche Current (P-Channel) | IAS | | | 15 | | L = 0.1 mH | 1 |
| Single Pulse Avalanche Energy (N-Channel) | EAS | | | 6.1 | mJ | | 1 |
| Single Pulse Avalanche Energy (P-Channel) | EAS | | | 11 | mJ | | 1 |
| Maximum Power Dissipation (N-Channel) | PD | | | 3.1 | W | TC = 25 °C | 1 |
| Maximum Power Dissipation (P-Channel) | PD | | | 3.4 | W | TC = 25 °C | 1 |
| Maximum Power Dissipation (N- and P-Channel) | PD | | | 2 | W | TA = 25 °C (footnotes b, c) | 1 |
| Maximum Power Dissipation (N- and P-Channel) | PD | | | 1.3 | W | TA = 70 °C (footnotes b, c) | 1 |
| Operating Junction and Storage Temperature Range | TJ, Tstg | -55 | | 150 | °C | | 1 |
| Maximum Junction-to-Ambient (N-Channel) | RthJA | | 55 | 62.5 | °C/W | t ≤ 10 s (footnotes b, d) | 1 |
| Maximum Junction-to-Ambient (P-Channel) | RthJA | | 53 | 62.5 | °C/W | t ≤ 10 s (footnotes b, d) | 1 |
| Maximum Junction-to-Foot (Drain) (N-Channel) | RthJF | | 33 | 40 | °C/W | Steady State | 1 |
| Maximum Junction-to-Foot (Drain) (P-Channel) | RthJF | | 30 | 37 | °C/W | Steady State | 1 |
| Maximum Junction-to-Ambient, steady state (N- and P-Channel, note d) | RthJA | | | 110 | °C/W | Steady State | 1 |
| Drain-Source Breakdown Voltage (N-Channel) | VDS | 60 | | | V | VGS = 0 V, ID = 250 µA | 2 |
| Drain-Source Breakdown Voltage (P-Channel) | VDS | -60 | | | V | VGS = 0 V, ID = -250 µA | 2 |
| Gate Threshold Voltage (N-Channel) | VGS(th) | 1 | | 3 | V | VDS = VGS, ID = 250 µA | 2 |
| Gate Threshold Voltage (P-Channel) | VGS(th) | -1 | | -3 | V | VDS = VGS, ID = -250 µA | 2 |
| Gate-Body Leakage (N-Channel) | IGSS | | | 100 | nA | VDS = 0 V, VGS = ±20 V | 2 |
| Gate-Body Leakage (P-Channel) | IGSS | | | -100 | nA | VDS = 0 V, VGS = ±20 V | 2 |
| Zero Gate Voltage Drain Current (N-Channel) | IDSS | | | 1 | µA | VDS = 60 V, VGS = 0 V | 2 |
| Zero Gate Voltage Drain Current (P-Channel) | IDSS | | | -1 | µA | VDS = -60 V, VGS = 0 V | 2 |
| Zero Gate Voltage Drain Current (N-Channel) | IDSS | | | 10 | µA | VDS = 60 V, VGS = 0 V, TJ = 55 °C | 2 |
| Zero Gate Voltage Drain Current (P-Channel) | IDSS | | | -10 | µA | VDS = -60 V, VGS = 0 V, TJ = 55 °C | 2 |
| On-State Drain Current (N-Channel) | ID(on) | 20 | | | A | VDS ≥ 5 V, VGS = 10 V | 2 |
| On-State Drain Current (P-Channel) | ID(on) | -25 | | | A | VDS ≤ -5 V, VGS = -10 V | 2 |
| Drain-Source On-State Resistance (P-Channel) | RDS(on) | | | 0.055 | Ω | VGS = -10 V, ID = -3.1 A | 2 |
| Drain-Source On-State Resistance (N-Channel) | RDS(on) | | | 0.029 | Ω | VGS = 4.5 V, ID = 3.9 A | 2 |
| Drain-Source On-State Resistance (P-Channel) | RDS(on) | | | 0.06 | Ω | VGS = -4.5 V, ID = -0.2 A | 2 |
| Total Gate Charge (N-Channel) | Qg | | 13 | 20 | nC | VDS = 30 V, VGS = 10 V, ID = 4.3 A | 2 |
| Total Gate Charge (P-Channel) | Qg | | 14.5 | 22 | nC | VDS = -30 V, VGS = -10 V, ID = -3.1 A | 2 |
| Total Gate Charge (N-Channel) | Qg | | 6 | 9 | nC | VDS = 30 V, VGS = 4.5 V, ID = 4.3 A | 2 |
| Total Gate Charge (P-Channel) | Qg | | 8 | 12 | nC | VDS = -30 V, VGS = -4.5 V, ID = -3.1 A | 2 |
| Gate Resistance (N-Channel) | Rg | | 2 | 3 | Ω | f = 1 MHz | 2 |
| Gate Resistance (P-Channel) | Rg | | 14 | 20 | Ω | f = 1 MHz | 2 |
| Body Diode Voltage (N-Channel) | VSD | | 0.8 | 1.2 | V | IS = 1.7 A | 3 |
| Body Diode Voltage (P-Channel) | VSD | | -0.8 | -1.2 | V | IS = -2 A | 3 |
| Body Diode Reverse Recovery Time (N-Channel) | trr | | 30 | 60 | ns | IF = 1.7 A, dI/dt = 100 A/µs, TJ = 25 °C | 3 |
| Body Diode Reverse Recovery Time (P-Channel) | trr | | 30 | 50 | ns | IF = -2 A, dI/dt = -100 A/µs, TJ = 25 °C | 3 |
## CAD (KiCad official)
- Symbol: `SI4559ADY-T1-E3-VB`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files: `si4559ady-t1-e3-vb-etched.step` / `si4559ady-t1-e3-vb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `si4559ady-t1-e3-vb.step` / `si4559ady-t1-e3-vb.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [VBsemi Elec datasheet](docs/si4559ady-t1-e3-vb-datasheet.pdf) (14 pp, sha256 `a201cc481e5106b6`, retrieved 2026-11-05, 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/si4559ady-t1-e3-vb-datasheet.pdf)