Description
The 2N3906 MMBT3906 PNP Switching Transistor is a general-purpose bipolar junction transistor (BJT) used for signal amplification and electronic switching. Its PNP configuration makes it suitable for high-side switching applications and circuits where a PNP transistor is required.
The MMBT3906 surface-mount version comes in a compact SOT-23 package, making it ideal for space-saving printed circuit boards (PCBs), embedded electronics, and compact consumer devices. It can be used in signal-processing stages, control circuits, and low-current switching applications when operated within its specified voltage, current, and power limits.
This transistor is commonly used in electronic prototyping, PCB assembly, and repair work. Before using it as a replacement component, verify the exact device specifications and pin configuration against the manufacturer’s datasheet.
Note: This product is currently listed as out of stock at Electrobes.
Key Features
- Model: 2N3906 / MMBT3906
- Transistor Type: PNP bipolar junction transistor
- Package: SOT-23 surface-mount
- Collector-Emitter Voltage: 40V, as listed
- Collector-Base Voltage: 40V, as listed
- Maximum Collector Current: 200mA, as listed
- Power Dissipation: 0.31W, as listed
- Transition Frequency: 250MHz, as listed
- Minimum DC Current Gain (hFE): 100, as listed
- Applications: Signal amplification and low-power switching
- Mounting Type: Surface mount (SMD)
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 2N3906 / MMBT3906 |
| Transistor Polarity | PNP |
| Collector-Base Voltage (VCBO) | 40V |
| Collector-Emitter Voltage (VCEO) | 40V, as listed |
| Emitter-Base Voltage (VEBO) | 5V |
| Maximum Collector Current (IC) | 0.2A (200mA) |
| Maximum Collector Power Dissipation (PC) | 0.31W |
| Maximum Junction Temperature (TJ) | 135°C, as listed |
| Transition Frequency (fT) | 250MHz |
| Collector Capacitance (CC) | 5pF |
| Minimum DC Current Gain (hFE) | 100 |
| Package | SOT-23 |
| SKU | 1489 |
| Price | ₨5 |






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