- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for MMBT3904
- Part Number MMBT3904
- Manufacturer NXP
- Pin Count 3
- Part Category Transistor BJT NPN
- Package Category SOT23 (3-Pin)
- Footprint Name SOT23 (3-Pin) - SOT23
- Released Date Jul 15, 2025
- Last Modified Date Jul 15, 2025 3:56 AM UTC
- Pinout / Pin List Click Here (Member Only)
MMBT3904 Details
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Manufacturer Part Number:
MMBT3904
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Transferred
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Part Package Code:
SOT-23
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Package Description:
PLASTIC PACKAGE-3
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Pin Count:
3
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ECCN Code:
EAR99
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Manufacturer:
NXP Semiconductors
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Collector Current-Max (IC):
0.2 A
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Collector-Emitter Voltage-Max:
40 V
MMBT3904 Frequently Asked Questions (FAQs)
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The MMBT3904 can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 85°C for optimal performance.
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To ensure the MMBT3904 is properly biased for saturation, the base-emitter voltage (VBE) should be around 0.7V, and the collector-emitter voltage (VCE) should be around 0.2V to 0.5V. The base current should be around 1/10th to 1/20th of the collector current.
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The MMBT3904 can handle a maximum continuous collector current (IC) of 200mA, and a peak current of 400mA for a short duration (less than 100ms).
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To protect the MMBT3904 from ESD, handle the device by the body, avoid touching the pins, use an anti-static wrist strap or mat, and store the device in an anti-static bag or container.
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Yes, the MMBT3904 can be used as a switch, but it's not recommended for high-frequency switching applications due to its relatively slow switching time (around 100ns). It's better suited for low-frequency switching or amplification applications.
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MMBT3904 Overview
Use the download button to access the MMBT3904 schematic symbol, PCB footprint, and 3D model.
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About NXP
NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more.
NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.
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