Overview
The BSS138HE3-TP, produced by Micro Commercial Components, is a small signal N-Channel MOSFET designed for low power applications. It is packaged in the compact SOT-23 surface mount package, making it ideal for space-constrained designs. This MOSFET is known for its high density cell design, which results in extremely low RDS(on) values, enhancing its performance in switching and logic level applications. The device is Pb-Free and Halogen Free, complying with RoHS standards, and features a lead-free finish.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | 50 | V | ||
| Gate-Source Voltage | VGS | ±20 | V | ||
| Drain Current | ID | 0.22 | A | ||
| Drain-Source On-Resistance @ VGS=10V | RDS(on) | 2.5 | Ω | ||
| Drain-Source On-Resistance @ VGS=4.5V | RDS(on) | 3 | Ω | ||
| Gate Threshold Voltage | VGS(th) | 0.8 | 1.5 | V | |
| Junction Temperature | Tj | 150 | °C | ||
| Input Capacitance | Ciss | 27 | pF | ||
| Output Capacitance | Coss | 3 | pF | ||
| Power Rating | P D | 0.35 | W | ||
| Total Gate Charge | Qg | nC |
Key Features
- Compact Package: The BSS138 is packaged in the industry-standard SOT-23 surface mount package, making it suitable for space-constrained designs.
- Low RDS(on): The high density cell design ensures extremely low RDS(on) values, enhancing the device's performance in switching and logic level applications.
- Environmental Compliance: The device is Pb-Free and Halogen Free, complying with RoHS standards, and features a lead-free finish.
- Wide Operating Temperature Range: The device operates over a junction temperature range of -55°C to +150°C.
- Reliability: The MOSFET is rugged and reliable, suitable for a variety of small signal applications.
Applications
- Logic Level Switching: The BSS138 is suitable for logic level switching applications due to its low gate threshold voltage.
- Small Signal Switching: It is ideal for small signal switching in various electronic circuits.
- General Purpose Amplifiers: The MOSFET can be used in general-purpose amplifier circuits where low power consumption is required.
- Automotive and Industrial Control Systems: Its robust design and wide operating temperature range make it suitable for use in automotive and industrial control systems.
Q & A
- What is the maximum drain-source voltage of the BSS138?
The maximum drain-source voltage (VDS) of the BSS138 is 50V.
- What is the typical RDS(on) at VGS=10V?
The typical RDS(on) at VGS=10V is 2.5Ω.
- What is the gate threshold voltage range of the BSS138?
The gate threshold voltage (VGS(th)) range is from 0.8V to 1.5V.
- Is the BSS138 RoHS compliant?
Yes, the BSS138 is Pb-Free and Halogen Free, complying with RoHS standards.
- What is the maximum junction temperature of the BSS138?
The maximum junction temperature (Tj) is 150°C.
- What is the input capacitance of the BSS138?
The input capacitance (Ciss) is typically 27pF.
- What are the typical applications of the BSS138?
The BSS138 is typically used in logic level switching, small signal switching, general-purpose amplifiers, and in automotive and industrial control systems.
- What is the package type of the BSS138?
The BSS138 is packaged in the SOT-23 surface mount package.
- Is the BSS138 suitable for high power applications?
No, the BSS138 is designed for low power applications.
- What is the thermal resistance of the BSS138?
The thermal resistance (RθJA) is approximately 357°C/W.
