Overview
The PMBT3904 is a 40 V, 200 mA NPN switching transistor manufactured by Nexperia (formerly part of NXP USA Inc.). It is housed in a small SOT23 Surface-Mounted Device (SMD) plastic package. This transistor is designed for general switching and amplification applications and is AEC-Q101 qualified, making it suitable for automotive and other demanding environments.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCEO (Collector-Emitter Voltage) | Open base | - | - | 40 | V |
| IC (Collector Current) | - | - | - | 200 | mA |
| hFE (DC Current Gain) | VCE = 1 V; IC = 10 mA | 100 | - | 300 | - |
| Ptot (Total Power Dissipation) | Tamb ≤ 25 °C | - | - | 250 | mW |
| Tj (Junction Temperature) | - | - | - | 150 | °C |
| Tamb (Ambient Temperature) | - | -65 | - | 150 | °C |
Key Features
- Collector current capability: IC = 200 mA
- Collector-emitter voltage: VCEO = 40 V
- AEC-Q101 qualified for automotive applications
- Small SOT23 Surface-Mounted Device (SMD) plastic package
- PNP complement: PMBT3906
- High DC current gain (hFE): 100 to 300
- Total power dissipation: Ptot = 250 mW at Tamb ≤ 25 °C
Applications
- General switching and amplification
- Automotive applications due to AEC-Q101 qualification
- Power management
- Load switching
- Linear-mode voltage regulation
- Backlight units
- Motor drive
- LED lighting
- Relay replacement
- IGBT drive
Q & A
- What is the collector-emitter voltage (VCEO) of the PMBT3904?
The collector-emitter voltage (VCEO) of the PMBT3904 is 40 V.
- What is the maximum collector current (IC) of the PMBT3904?
The maximum collector current (IC) of the PMBT3904 is 200 mA.
- Is the PMBT3904 qualified for automotive applications?
Yes, the PMBT3904 is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the package type of the PMBT3904?
The PMBT3904 is housed in a small SOT23 Surface-Mounted Device (SMD) plastic package.
- What is the PNP complement of the PMBT3904?
The PNP complement of the PMBT3904 is the PMBT3906.
- What is the total power dissipation (Ptot) of the PMBT3904 at Tamb ≤ 25 °C?
The total power dissipation (Ptot) of the PMBT3904 at Tamb ≤ 25 °C is 250 mW.
- What is the junction temperature (Tj) limit of the PMBT3904?
The junction temperature (Tj) limit of the PMBT3904 is 150 °C.
- What are some common applications of the PMBT3904?
The PMBT3904 is commonly used in general switching and amplification, automotive applications, power management, load switching, linear-mode voltage regulation, backlight units, motor drive, LED lighting, relay replacement, and IGBT drive.
- Is the PMBT3904 compliant with EU RoHS and REACH regulations?
Yes, the PMBT3904 is compliant with Directive 2011/65/EU (EU RoHS) and does not contain REACH SVHC substances exceeding 1000 ppm of the article.
- What is the DC current gain (hFE) range of the PMBT3904?
The DC current gain (hFE) of the PMBT3904 ranges from 100 to 300 at VCE = 1 V and IC = 10 mA.
