Overview
The BSS123 is an N-Channel enhancement mode field effect transistor (MOSFET) produced by onsemi. This device is manufactured using onsemi’s proprietary high cell density DMOS technology, which minimizes on-state resistance and provides rugged, reliable, and fast switching performance. It is particularly suited for low voltage, low current applications.
Key Specifications
| Parameter | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Drain-Source Voltage | VDSS | V | - | - | 100 |
| Gate-Source Voltage | VGSS | V | - | - | ±20 |
| Drain Current - Continuous | ID | A | - | - | 0.17 |
| Drain Current - Pulsed | ID | A | - | - | 0.68 |
| Maximum Power Dissipation | PD | W | - | - | 0.36 |
| On-Resistance | RDS(ON) | Ω | - | 3.5 @ VGS = 10V | 6 @ VGS = 10V |
| On-Resistance | RDS(ON) | Ω | - | 3.8 @ VGS = 4.5V | 10 @ VGS = 4.5V |
| Gate Threshold Voltage | VGS(TH) | V | 0.8 | 1.4 | 2.0 |
| Input Capacitance | Ciss | pF | - | 22 | 60 |
| Output Capacitance | Coss | pF | - | 3.5 | 15 |
| Reverse Transfer Capacitance | Crss | pF | - | 2.0 | 6 |
Key Features
- Advanced MOSFET process technology for high efficiency.
- Low on-resistance with low gate charge.
- Fast switching and reverse body recovery.
- High density cell design for extremely low RDS(ON).
- Rugged and reliable performance.
- Compact industry standard SOT-23 surface mount package.
- Pb-free and halogen-free.
- Low gate threshold voltage.
- Low input capacitance.
- Fast switching speed.
- Low input/output leakage.
Applications
- Small servo motor control.
- Power MOSFET gate drivers.
- High efficiency switched mode power supplies.
- Other switching applications.
Q & A
- What is the maximum drain-source voltage of the BSS123 MOSFET?
The maximum drain-source voltage (VDSS) is 100 V.
- What is the continuous drain current rating of the BSS123?
The continuous drain current (ID) is 0.17 A.
- What is the typical on-resistance of the BSS123 at VGS = 10 V?
The typical on-resistance (RDS(ON)) at VGS = 10 V is 3.5 Ω.
- What is the gate threshold voltage range of the BSS123?
The gate threshold voltage (VGS(TH)) range is from 0.8 V to 2.0 V.
- What is the maximum power dissipation of the BSS123?
The maximum power dissipation (PD) is 0.36 W.
- What package type is the BSS123 available in?
The BSS123 is available in a compact industry standard SOT-23 surface mount package.
- Is the BSS123 Pb-free and halogen-free?
Yes, the BSS123 is Pb-free and halogen-free.
- What are some typical applications of the BSS123?
Typical applications include small servo motor control, power MOSFET gate drivers, and high efficiency switched mode power supplies.
- What is the input capacitance of the BSS123?
The input capacitance (Ciss) is typically 22 pF to 60 pF.
- How fast is the switching speed of the BSS123?
The BSS123 has fast switching speeds, with turn-on delay times and rise times in the range of a few nanoseconds.
