Transistor 2SC1855 NPN, TO-92

Transistor 2SC1855 NPN, TO-92

Transistors

Reference: TR2SC1855

Part.No: 2SC1855

€1.20

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The 2SC1855 is a high-frequency NPN Bipolar Junction Transistor (BJT) in a TO-92 package. Optimized for VHF oscillators, RF amplifiers, and small-signal switching applications requiring excellent frequency response.

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Description
Product Details

2SC1855 RF Transistor - High-Frequency Switching & Oscillator Driver

The 2SC1855 is a small-signal NPN transistor engineered for very high-frequency (VHF) applications. Its high transition frequency (fT) and low noise characteristics make it ideal for RF oscillators, amplifiers and broadband circuits in the VHF band.

Functions & Applications

High Transition Frequency (fT): Enables stable oscillation and amplification at VHF frequencies.
Low Noise Characteristics: Excellent for weak-signal RF front-ends and receiver stages.
Standard TO-92 Package: Through-hole design suitable for breadboards and PCB prototyping.
Reliable Small-Signal Gain: Consistent hFE across temperature range for predictable circuit behavior.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	NPN
Package / Case	TO-92
Collector-Emitter Voltage (Vceo)	30V
Max Collector Current (Ic)	100mA
Mounting Type	Through-Hole (THT)

Frequently Asked Questions

Q: Is the 2SC1855 suitable for RF applications?
A: Yes, the 2SC1855 is specifically designed for VHF oscillators and RF amplifiers. Its high transition frequency and low noise make it ideal for small-signal RF circuits.

Q: What is the typical hFE (current gain) of the 2SC1855?
A: The 2SC1855 typically exhibits hFE values in the range of 70–150 depending on collector current and temperature, making it suitable for stable amplification stages.

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type: BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel: NPN
Transistor Case Style: TO-92

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