Overview
The MMBT3904-13, produced by Diodes Incorporated, is a 40V NPN small signal transistor packaged in the SOT23 format. This transistor is designed for medium power amplification and switching applications. It is fully RoHS compliant, halogen and antimony free, and meets the UL 94 V-0 flammability rating. The device is suitable for automated placement and features high surge current capability, making it versatile for various electronic designs.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Base Voltage | VCBO | 60 | V |
| Collector-Emitter Voltage | VCEO | 40 | V |
| Emitter-Base Voltage | VEBO | 6 | V |
| Collector Current | IC | 200 | mA |
| Power Dissipation | PD | 300 | mW |
| Junction Temperature | TJ | -55 to +150 | °C |
| Storage Temperature | TSTG | -55 to +150 | °C |
| DC Current Gain (hFE) | hFE | 100 - 400 | |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.30 | V |
| Base-Emitter Saturation Voltage | VBE(sat) | 0.95 | V |
| Transition Frequency | fT | 250 | MHz |
Key Features
- Ideal for medium power amplification and switching applications.
- Complementary PNP type available (MMBT3906).
- Totally lead-free and fully RoHS compliant.
- Halogen and antimony free, meeting “Green” device standards.
- High surge current capability.
- Moisture sensitivity level: Level 1 per J-STD-020.
- Package: SOT23 with matte tin plated leads, solderable per J-STD-002.
- Meets JESD 201 class 1A whisker test.
Applications
- Switching mode power supply (SMPS).
- Adapters.
- Lighting applications.
- On-board DC/DC converters.
Q & A
- What is the maximum collector-emitter voltage of the MMBT3904?
The maximum collector-emitter voltage (VCEO) is 40V.
- What is the power dissipation of the MMBT3904?
The power dissipation (PD) is 300 mW.
- Is the MMBT3904 RoHS compliant?
- What is the typical DC current gain (hFE) of the MMBT3904?
The typical DC current gain (hFE) ranges from 100 to 400.
- What are the operating and storage temperature ranges for the MMBT3904?
The operating and storage temperature ranges are -55°C to +150°C.
- What is the collector-emitter saturation voltage of the MMBT3904?
The collector-emitter saturation voltage (VCE(sat)) is up to 0.30 V.
- What is the base-emitter saturation voltage of the MMBT3904?
The base-emitter saturation voltage (VBE(sat)) is up to 0.95 V.
- What is the transition frequency of the MMBT3904?
The transition frequency (fT) is 250 MHz.
- Is the MMBT3904 suitable for automated placement?
- What is the moisture sensitivity level of the MMBT3904?
The moisture sensitivity level is Level 1 per J-STD-020.
