Triode Three - terminal Voltage Regulator Semiconductor Triode Magnetic - sensitive Triode Darlington Transistor Band - stop Transistor Low-frequency/High-frequency/Microwave Power Transistors Low-frequency Amplifying Triodes Low-noise Amplifying Triodes Low-noise Triodes Compound Triodes High-voltage Resistance Triodes High-frequency Triodes High-voltage Trigger Diodes (SIDAC) Power Switching Transistors Photosensitive Transistors Photosensitive Triodes Switching Transistors Switching Triodes Fast Recovery Triodes Chip Triodes Other Triodes Three-terminal Voltage Regulators Triode Chips (Die) Bipolar Junction Transistors/BJT Surface Mount Triodes Microwave Triode Audio Power Pair Transistor Thyristor Medium and High Frequency Amplification Triode Damping Triode