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B438 - Tube
DB438 - NPN SILICON EPIBASE TRANSISTORS
B43851 - Single-ended capacitors
AOB438 - N-Channel FET
B438 - Triode / Detector or LF amplifier
STB438A - N-Channel Enhancement Mode Field Effect Transistor
B43888 - Single-ended capacitors
B43857 - Single-Ended Capacitors High Reliability
B43821 - Single Ended GP
STB438S - N-Channel Enhancement Mode Field Effect Transistor
B43821 - Single-ended capacitors