ECG-333 Transistor

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The ECG-333 is an NPN silicon RF (Radio Frequency) power transistor designed for use in applications like Citizen-Band (CB) communications equipment operating around 14-30 MHz.
Key Specifications
According to various seller and datasheet snippets, the key specifications for the ECG 333 NPN-Si RF power transistor (rated at 25°C) include:
Type: NPN Silicon
Transistor Category: High Frequency/RF Power Transistor
Maximum DC Collector Current (Ic): 15 A
Collector-Emitter Voltage (BVceo): 18 V
Collector-Base Voltage (BVcbo): 36 V
Maximum Power Dissipation (Pd_max): 175 W
Average Power Dissipation (Pd_ave): 60 W
Maximum Operating Frequency (Ft): 30 MHz
Current Gain (hFE): 10 min
Package/Case: RF-38F (flange mount)
Equivalent/Replacement Transistors
The ECG-333 is a replacement for and has several equivalent parts from other manufacturers:
NTE333
MRF455
SRF2072
2SC2099
SK9609
PT8854
These equivalents are commonly used in similar RF power amplifier applications.