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2SK3018T106
SOT-23-3
The 2SK3018T106 from Toshiba is a small-signal N-channel MOSFET rated at 60V/5A in a SOT-23-3 package for low-power switching and amplification applications.
| Package | SOT-23-3 |
The 2SK3018T106 from Toshiba is a small-signal N-channel MOSFET rated at 60V/5A in a SOT-23-3 package for low-power switching and amplification applications.
The 2SK3018T106 is an N-channel small-signal MOSFET from Toshiba in SOT-23-3, rated at 60V VDSS, 5A ID (pulsed), and 0.5A ID (continuous). The RDS(on) is 1.8 ohm maximum at VGS=4V, and 2.5 ohm at VGS=2.5V, making it suitable for low-voltage logic-level switching. The gate threshold voltage (Vth) is 0.8-1.5V, enabling direct drive from 1.8V, 2.5V, or 3.3V logic without a gate driver. The device is designed for small-signal switching applications where the load current is less than 500mA. The low gate charge (Qg = 1.5nC at VGS=4V) allows very fast switching (rise/fall times under 10ns) with minimal drive power. The internal gate resistance is approximately 20 ohms. The device includes an internal ESD protection diode from gate to source (zener clamp at approximately 8V), protecting the gate oxide from electrostatic discharge during handling. The SOT-23-3 package provides 250C/W thermal resistance, limiting continuous dissipation to 200mW at 25C ambient. The 2SK3018 is commonly used as a logic-level interface switch: (1) Level translation (3.3V MCU controlling a 5V peripheral via open-drain with pull-up); (2) LED switching (driving indicator LEDs at 20-50mA); (3) Relay coil driving (small reed relays at 20-30mA); (4) Power-gating (switching power rails to sub-circuits). The -T106 suffix specifies SOT-23-3, embossed tape (3000 pcs/reel). The 2SK prefix is the Japanese JIS standard designation for N-channel FETs.
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | G | Input | Gate (voltage control, VGS threshold 0.8-1.5V, max +/-8V) |
| 2 | S | Power | Source (current return, connects to ground for low-side switching) |
| 3 | D | Power | Drain (60V VDSS, connects to load, small-signal switching) |
| Manufacturer | Part Number | Package | Notes |
|---|---|---|---|
| Toshiba | 2SK3018T106 | SOT-23-3 | Same device, Toshiba brand |
| Toshiba | 2SK3019 | SOT-23-3 | 60V 0.5A, similar N-ch small-signal MOSFET |
| ON Semi | 2N7002LT1G | SOT-23-3 | 60V 0.115A, industry standard N-ch small-signal |
| Infineon | BSS123E6327 | SOT-23-3 | 100V 0.17A, higher voltage alternative |
| Diodes Inc | DMN2075U-7 | SOT-23-3 | 20V 0.75A, lower voltage, lower RDS(on) |
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
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