Overview
The BC857B,235 is a PNP general-purpose bipolar junction transistor (BJT) manufactured by Nexperia USA Inc. This transistor is part of the BC857 series and is packaged in a small SOT23 (TO-236AB) surface-mounted device (SMD) plastic package. It is designed for low current and low voltage applications, making it versatile for various electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type | PNP | - |
| Package | SOT23 (TO-236AB) | - |
| Maximum Collector Current (I_C [max]) | 100 | mA |
| Maximum Collector-Emitter Voltage (V_CE [max]) | 65 | V |
| Maximum Power Dissipation (P_tot) | 250 | mW |
| Minimum Current Gain (h_FE [min]) | 220 | - |
| Maximum Current Gain (h_FE [max]) | 475 | - |
| Maximum Junction Temperature (T_J [max]) | 150 | °C |
| Minimum Transition Frequency (f_T [min]) | 100 | MHz |
Key Features
- Low Current Capability: Maximum collector current of 100 mA, suitable for low current applications.
- Low Voltage Capability: Maximum collector-emitter voltage of 65 V, making it suitable for low voltage applications.
- Compact Packaging: SOT23 (TO-236AB) surface-mounted device (SMD) plastic package, ideal for space-saving designs.
- High Transition Frequency: Minimum transition frequency of 100 MHz, enabling high-frequency applications.
- General-Purpose Use: Suitable for both switching and amplification applications.
Applications
- Automotive Electronics: Used in various automotive applications due to its reliability and performance.
- Industrial Electronics: Suitable for industrial control systems, motor drives, and other industrial equipment.
- Consumer Electronics: Used in consumer devices such as audio amplifiers, switching circuits, and other general-purpose electronic designs.
- Power and Computing: Applied in power management and computing systems where low current and low voltage transistors are required.
Q & A
- What is the maximum collector current of the BC857B,235 transistor?
The maximum collector current is 100 mA.
- What is the maximum collector-emitter voltage of the BC857B,235 transistor?
The maximum collector-emitter voltage is 65 V.
- What is the package type of the BC857B,235 transistor?
The package type is SOT23 (TO-236AB).
- What is the minimum transition frequency of the BC857B,235 transistor?
The minimum transition frequency is 100 MHz.
- Is the BC857B,235 transistor suitable for high-frequency applications?
Yes, it is suitable for high-frequency applications due to its high transition frequency.
- What are the typical applications of the BC857B,235 transistor?
It is used in automotive, industrial, consumer electronics, and power and computing systems.
- What is the maximum power dissipation of the BC857B,235 transistor?
The maximum power dissipation is 250 mW.
- What is the minimum current gain of the BC857B,235 transistor?
The minimum current gain is 220.
- What is the maximum junction temperature of the BC857B,235 transistor?
The maximum junction temperature is 150°C.
- Is the BC857B,235 transistor automotive qualified?
No, the BC857B,235 is not specifically listed as automotive qualified, but Nexperia offers other automotive-qualified products.
