General purpose (dual digital transistors) Here are the factual details about part **UMH14N** from the manufacturer **ROHM**:
### **Specifications:**
- **Part Number:** UMH14N
- **Manufacturer:** ROHM
- **Type:** NPN Transistor
- **Package:** SOT-323 (Miniature Surface Mount)
- **Maximum Collector-Base Voltage (VCB):** 50V
- **Maximum Collector-Emitter Voltage (VCE):** 50V
- **Maximum Emitter-Base Voltage (VEB):** 5V
- **Continuous Collector Current (IC):** 100mA
- **Total Power Dissipation (PD):** 150mW
- **DC Current Gain (hFE):** 120 to 400 (at VCE = 6V, IC = 2mA)
- **Transition Frequency (fT):** 250MHz (Typical)
### **Descriptions:**
The **UMH14N** is a high-frequency, low-noise NPN transistor designed for small-signal amplification in compact electronic circuits. It is optimized for applications requiring high-speed switching and amplification in a small footprint.
### **Features:**
- **High-Speed Switching:** Suitable for RF and high-frequency applications.
- **Low Noise:** Ideal for signal amplification in sensitive circuits.
- **Miniature Package:** SOT-323 package saves board space.
- **High Current Gain (hFE):** Provides efficient signal amplification.
- **Wide Operating Voltage Range:** Supports up to 50V collector-emitter voltage.
This information is based on ROHM's official datasheet for the UMH14N transistor.
