• MMBT3904-7-F SOT-23-3
MMBT3904-7-F SOT-23-3


-Element Bipolar Transistor

Quantity Unit Price(USD) Ext. Price
20 $0.019 $0.38
200 $0.015 $3.00
600 $0.013 $7.80
3000 $0.012 $36.00
9000 $0.011 $99.00
21000 $0.011 $231.00


*The price is for reference only.
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Overview of MMBT3904-7-F

The MMBT3904-7-F is a general-purpose NPN transistor in a small SOT-23 surface-mount package. It is designed for amplification and switching applications in various electronic circuits, providing high performance in a compact form factor.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • E: Emitter
  • B: Base
  • C: Collector

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the MMBT3904-7-F transistor for a visual representation.

Key Features

  • NPN Transistor: The MMBT3904-7-F is an NPN transistor, suitable for various amplification and switching applications.
  • Compact Package: Housed in a SOT-23 surface-mount package, this transistor offers space-saving benefits for PCB designs.
  • High Performance: With its reliable performance characteristics, the MMBT3904-7-F ensures efficient operation in electronic circuits.

Note: For detailed technical specifications, please refer to the MMBT3904-7-F datasheet.


  • Amplification: Ideal for use in amplification circuits where signal amplification is required.
  • Switching: Suitable for switching applications where fast switching speeds are essential.
  • Signal Processing: Used in various signal processing circuits for signal amplification and shaping.


The MMBT3904-7-F NPN transistor is designed to amplify and switch electronic signals efficiently, making it a versatile component in electronics.

Usage Guide

  • Emitting Terminal: Connect the emitter (E) to the common ground or signal reference.
  • Base Terminal: Apply the input signal or control voltage to the base (B) terminal for amplification or switching.
  • Collector Terminal: Connect the collector (C) terminal to the load or output for signal amplification or switching purposes.

Frequently Asked Questions

Q: Is the MMBT3904-7-F RoHS compliant?
A: Yes, the MMBT3904-7-F complies with RoHS regulations, making it environmentally friendly and safe for use in various electronic devices.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Bipolar Transistors - BJT RoHS Details
Mounting Style SMD/SMT Package / Case SOT-23-3
Transistor Polarity NPN Configuration Single
Collector- Emitter Voltage VCEO Max 40 V Collector- Base Voltage VCBO 60 V
Emitter- Base Voltage VEBO 6 V Collector-Emitter Saturation Voltage 300 mV
Maximum DC Collector Current 200 mA Pd - Power Dissipation 310 mW
Gain Bandwidth Product fT 300 MHz Minimum Operating Temperature - 55 C
Maximum Operating Temperature + 150 C Series MMBT3904
Brand Diodes Incorporated Continuous Collector Current 200 mA
DC Current Gain hFE Max 300 Height 1 mm
Length 3.05 mm Product Type BJTs - Bipolar Transistors
Factory Pack Quantity 3000 Subcategory Transistors
Technology Si Width 1.4 mm
Unit Weight 0.000282 oz

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