Overview
The MMBT3904 RFG is a small signal NPN bipolar transistor manufactured by Taiwan Semiconductor Corporation. It is packaged in the SOT-23 format, making it suitable for a variety of applications where space is limited. This transistor is known for its high efficiency, low power loss, and high surge current capability, making it an ideal choice for automated placement in modern electronic designs.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Base Breakdown Voltage | V(BR)CBO | 60 | V |
| Collector-Emitter Breakdown Voltage | V(BR)CEO | 40 | V |
| Emitter-Base Breakdown Voltage | V(BR)EBO | 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 |
Key Features
- Low power loss and high efficiency.
- Ideal for automated placement due to its SOT-23 package.
- High surge current capability.
- Moisture sensitivity level: level 1, per J-STD-020.
- RoHS Compliant and halogen-free according to IEC 61249-2-21.
- Molding compound meets UL 94 V-0 flammability rating.
- Terminal: 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 package type of the MMBT3904 RFG transistor? The MMBT3904 RFG transistor is packaged in the SOT-23 format.
- What is the maximum collector current of the MMBT3904 RFG? The maximum collector current is 200 mA.
- What is the power dissipation of the MMBT3904 RFG? The power dissipation is 300 mW.
- Is the MMBT3904 RFG RoHS compliant? Yes, the MMBT3904 RFG is RoHS compliant and halogen-free.
- What are the typical applications of the MMBT3904 RFG? Typical applications include switching mode power supplies, adapters, lighting applications, and on-board DC/DC converters.
- What is the junction temperature range of the MMBT3904 RFG? The junction temperature range is -55 to +150 °C.
- Does the MMBT3904 RFG meet any specific flammability ratings? Yes, the molding compound meets UL 94 V-0 flammability rating.
- What is the moisture sensitivity level of the MMBT3904 RFG? The moisture sensitivity level is level 1, per J-STD-020.
- What is the DC current gain (hFE) range of the MMBT3904 RFG? The DC current gain (hFE) range is 100 to 400.
- Is the MMBT3904 RFG suitable for automated placement? Yes, it is ideal for automated placement.
