Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Transistor Type | NPN |
| Current - Collector(Ic)(Max) | 200 mA |
| Voltage - Collector Emitter Breakdown(Max) | 40 V |
| Vce Saturation(Max) @ Ib Ic | 300mV @ 5mA, 50mA |
| DC Current Gain(h FE)(Min) @ Ic Vce | 100 @ 10mA, 1V |
| Power - Max | 300 mW |
| Frequency - Transition | 300MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Обзор
Description
The MMBT3904TT1G is a general-purpose NPN bipolar junction transistor (BJT) from ON Semiconductor, housed in a compact SOT-23 package. Key features include:
- Voltage Ratings: 40V collector-emitter (VCEO), 60V collector-base (VCBO).
- Current Handling: 200mA continuous collector current (IC).
- Gain (hFE): Typically 100–300 at 10mA.
- Power Dissipation: 225mW.
Designed for switching and amplification in low-power applications, it’s commonly used in signal processing, driver circuits, and digital logic. Its small form factor and reliability make it suitable for consumer electronics, IoT devices, and embedded systems.
Key Advantages:
- Low cost and widely available.
- Fast switching speeds (transition frequency of 300MHz).
- RoHS compliant.
Typical Replacements: 2N3904 (through-hole equivalent).
For detailed specs, refer to the datasheet.
- Voltage Ratings: 40V collector-emitter (VCEO), 60V collector-base (VCBO).
- Current Handling: 200mA continuous collector current (IC).
- Gain (hFE): Typically 100–300 at 10mA.
- Power Dissipation: 225mW.
Designed for switching and amplification in low-power applications, it’s commonly used in signal processing, driver circuits, and digital logic. Its small form factor and reliability make it suitable for consumer electronics, IoT devices, and embedded systems.
Key Advantages:
- Low cost and widely available.
- Fast switching speeds (transition frequency of 300MHz).
- RoHS compliant.
Typical Replacements: 2N3904 (through-hole equivalent).
For detailed specs, refer to the datasheet.
Equivalent
Equivalent products to the MMBT3904TT1G (NPN transistor) include:
- 2N3904 (through-hole equivalent)
- BC847B (SMD alternative)
- MMBT4401 (higher current rating)
- PMBT3904 (similar specs, different package)
- KST3904 (SMD alternative)
These offer similar characteristics (40V, 200mA) and can often be used interchangeably depending on application requirements. Always check datasheets for exact compatibility.
- 2N3904 (through-hole equivalent)
- BC847B (SMD alternative)
- MMBT4401 (higher current rating)
- PMBT3904 (similar specs, different package)
- KST3904 (SMD alternative)
These offer similar characteristics (40V, 200mA) and can often be used interchangeably depending on application requirements. Always check datasheets for exact compatibility.
Features
The MMBT3904TT1G is a general-purpose NPN bipolar junction transistor (BJT) with the following key features:
- Type: NPN BJT
- Voltage Ratings:
- VCEO: 40V (Collector-Emitter)
- VCBO: 60V (Collector-Base)
- Current Ratings:
- IC (max): 200mA (Continuous Collector Current)
- Power Dissipation: 225mW (at 25°C)
- Gain (hFE): 100–300 (at 10mA, VCE = 1V)
- Frequency (fT): 300MHz (Transition Frequency)
- Package: SOT-23 (Small Surface-Mount)
- Applications: Switching, amplification, and general-purpose use in low-power circuits.
Compact, cost-effective, and widely used in consumer electronics, signal processing, and driver circuits.
- Type: NPN BJT
- Voltage Ratings:
- VCEO: 40V (Collector-Emitter)
- VCBO: 60V (Collector-Base)
- Current Ratings:
- IC (max): 200mA (Continuous Collector Current)
- Power Dissipation: 225mW (at 25°C)
- Gain (hFE): 100–300 (at 10mA, VCE = 1V)
- Frequency (fT): 300MHz (Transition Frequency)
- Package: SOT-23 (Small Surface-Mount)
- Applications: Switching, amplification, and general-purpose use in low-power circuits.
Compact, cost-effective, and widely used in consumer electronics, signal processing, and driver circuits.
Pinout
The MMBT3904TT1G is a NPN bipolar junction transistor (BJT) in a SOT-23 package with 3 pins:
1. Emitter (E) – Output for current flow.
2. Base (B) – Controls transistor switching/amplification.
3. Collector (C) – Main current path.
Key Functions:
- General-purpose amplification and switching.
- Max ratings: 40V (VCE), 200mA (IC).
- Low power, high-speed applications.
Ideal for signal amplification and digital switching in compact circuits.
1. Emitter (E) – Output for current flow.
2. Base (B) – Controls transistor switching/amplification.
3. Collector (C) – Main current path.
Key Functions:
- General-purpose amplification and switching.
- Max ratings: 40V (VCE), 200mA (IC).
- Low power, high-speed applications.
Ideal for signal amplification and digital switching in compact circuits.
Manufacturer
The MMBT3904TT1G is manufactured by ON Semiconductor, now known as onsemi after rebranding in 2021.
onsemi is a global semiconductor company specializing in power management, analog, and sensor solutions. They produce components for industries like automotive, industrial, and consumer electronics. Known for reliability and innovation, onsemi focuses on energy-efficient technologies.
The MMBT3904TT1G is a general-purpose NPN transistor commonly used in amplification and switching applications.
onsemi is a global semiconductor company specializing in power management, analog, and sensor solutions. They produce components for industries like automotive, industrial, and consumer electronics. Known for reliability and innovation, onsemi focuses on energy-efficient technologies.
The MMBT3904TT1G is a general-purpose NPN transistor commonly used in amplification and switching applications.
Application
The MMBT3904TT1G, a general-purpose NPN bipolar junction transistor (BJT), is widely used in:
1. Switching Circuits – Fast switching for relays, LEDs, and small loads.
2. Amplification – Small-signal amplification in audio, RF, and sensor circuits.
3. Digital Logic – Interface and driver circuits in microcontrollers and logic gates.
4. Consumer Electronics – Found in TVs, radios, and portable devices.
5. Automotive – Low-power control modules and sensors.
Its compact SOT-23 package and reliable performance make it suitable for space-constrained, low-power applications.
1. Switching Circuits – Fast switching for relays, LEDs, and small loads.
2. Amplification – Small-signal amplification in audio, RF, and sensor circuits.
3. Digital Logic – Interface and driver circuits in microcontrollers and logic gates.
4. Consumer Electronics – Found in TVs, radios, and portable devices.
5. Automotive – Low-power control modules and sensors.
Its compact SOT-23 package and reliable performance make it suitable for space-constrained, low-power applications.
Package
The MMBT3904TT1G is a NPN bipolar junction transistor (BJT) in a SOT-23-3 surface-mount package. This compact, 3-pin package is widely used for general-purpose amplification and switching applications. Its small size (approx. 2.9mm x 1.3mm x 0.95mm) makes it suitable for space-constrained PCB designs. The package is RoHS-compliant and designed for automated assembly processes.
