Overview
The BC858B-QR is a PNP general-purpose bipolar transistor manufactured by Nexperia USA Inc. This transistor is part of the BC858 series, known for its low current and low voltage capabilities, making it suitable for a wide range of applications. The BC858B-QR is packaged in a small SOT23 (TO-236AB) surface-mounted device (SMD) plastic package, which is ideal for space-constrained designs.
Qualified according to AEC-Q101, this transistor is recommended for use in automotive applications, as well as other general-purpose switching and amplification roles. Its compact size and robust specifications make it a versatile component in modern electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT23 (TO-236AB) | - |
| Channel Type | PNP | - |
| Total Power Dissipation (Ptot) | 250.0 | mW |
| Maximum Collector-Emitter Voltage (VCEO) | 65 | V |
| Maximum Continuous Collector Current (IC) | 100 | mA |
| Minimum Current Gain (hFE) | 220 | - |
| Maximum Current Gain (hFE) | 475 | - |
| Maximum Junction Temperature (TJ) | 150 | °C |
| Minimum Transition Frequency (fT) | 100 | MHz |
| Automotive Qualified | Yes | - |
Key Features
- Low current capability: Maximum continuous collector current of 100 mA.
- Low voltage capability: Maximum collector-emitter voltage of 65 V.
- Compact packaging: SOT23 (TO-236AB) surface-mounted device (SMD) plastic package.
- AEC-Q101 qualified: Suitable for automotive applications.
- High current gain: Minimum current gain of 220 and maximum of 475.
- High transition frequency: Minimum of 100 MHz.
- RoHS compliant: Lead-free finish.
Applications
- Automotive applications: Qualified according to AEC-Q101, making it suitable for use in automotive systems.
- General-purpose switching and amplification: Ideal for signal switching and amplification roles.
- Linear applications: Suitable for linear amplifier circuits.
- Industrial and consumer electronics: Can be used in various industrial and consumer electronic devices requiring low current and low voltage transistors.
Q & A
- What is the maximum collector-emitter voltage of the BC858B-QR transistor?
The maximum collector-emitter voltage (VCEO) of the BC858B-QR transistor is 65 V.
- What is the package type of the BC858B-QR transistor?
The BC858B-QR transistor is packaged in a SOT23 (TO-236AB) surface-mounted device (SMD) plastic package.
- Is the BC858B-QR transistor qualified for automotive applications?
Yes, the BC858B-QR transistor is qualified according to AEC-Q101 and is recommended for use in automotive applications.
- What is the maximum continuous collector current of the BC858B-QR transistor?
The maximum continuous collector current (IC) of the BC858B-QR transistor is 100 mA.
- What is the minimum current gain of the BC858B-QR transistor?
The minimum current gain (hFE) of the BC858B-QR transistor is 220.
- What is the maximum transition frequency of the BC858B-QR transistor?
The minimum transition frequency (fT) of the BC858B-QR transistor is 100 MHz.
- Is the BC858B-QR transistor RoHS compliant?
Yes, the BC858B-QR transistor is RoHS compliant with a lead-free finish.
- What are the typical applications of the BC858B-QR transistor?
The BC858B-QR transistor is typically used for general-purpose switching and amplification, linear applications, and automotive systems.
- What is the maximum junction temperature of the BC858B-QR transistor?
The maximum junction temperature (TJ) of the BC858B-QR transistor is 150 °C.
- Where can I purchase the BC858B-QR transistor?
The BC858B-QR transistor can be purchased from various distributors such as Digi-Key, Mouser, and X-On Electronics, as well as directly from Nexperia.
