2N5239

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High-voltage NPN silicon planar small-signal bipolar junction transistor (BJT) housed in a metal TO-39 can, specifically designed for high-voltage line drivers, video amplifiers, a nd operational amplifier output stages. Equivalents: 2N5240 (higher voltage variant), MJE340, NTE194. Real-Life Examples: Gas-discharge display driver boards (e.g., Nixie tubes), industrial test instruments, high-voltage pulse generators, and vintage CRT monitor drive circuits. Show more