SC453
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The SC453, part of Pacific Scientific's SC450 Brushless Servo Controllers, features a silicon PNP epitaxial transistor design. It supports a maximum collector-base voltage of 60V, a collector current up to 100 mA, and a power dissipation limit of 300 mW. The transistor operates at 80 MHz transition frequency.
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Product Description:
The SC453 is a silicon PNP epitaxial transistor built for the SC450 Brushless Servo Controllers series by Pacific Scientific. This unit comes in a through-hole mounting format, making it easy to install on standard PCBs or retrofitted into existing control circuits. The transistor handles a maximum collector current of 100 mA and supports a collector-base voltage up to 60 V, giving it enough headroom for general industrial switching applications.
The transition frequency hits 80 MHz, which pushes this transistor into higher-speed operations without losing signal clarity. With a collector-emitter saturation voltage capped at 0.25 V (when IC is at 100 mA and IB at 5 mA), the power loss across switching stays low. Heat dissipation is managed with a 300 mW power dissipation limit, giving it enough thermal margin under typical loads. The junction temperature maxes out at 150°C, which adds extra tolerance in heated environments. Saturation specs round off with a base-emitter saturation voltage of 1.2 V max, supporting cleaner switching behavior under fast pulse operations.
Voltage ratings are spread across Vceo at 45 V and Vebo at 5 V. Current gain numbers come in at HFE ranging from 110 to 800, depending on the operating point, which offers enough amplification for signal-chain applications or motor controller logic levels. This transistor stays stable in closed-loop motor systems and signal driving units, especially in configurations with quick state shifts or frequent pulse sequences. The SC453 combines small-package simplicity with reliable stats, balancing thermal and electrical performance for brushless control designs. Built for the SC450 environment but compatible across a variety of setups, this component handles low-power switching without signal breakdown or excess drift.
Frequently Asked Questions about SC453:
Q: What is the maximum collector-base voltage that the SC453 transistor can handle?
A: The SC453 transistor can handle a maximum collector-base voltage of 60V.
Q: What is the maximum power dissipation of the SC453 transistor?
A: The SC453 transistor offers a maximum power dissipation of 300 mW.
Q: What is the transition frequency of the SC453 transistor?
A: The SC453 transistor operates at a transition frequency of 80 MHz.
Q: What is the maximum junction temperature of the SC453 transistor?
A: The SC453 transistor has a junction temperature limit of 150°C.
Q: What mounting type does the SC453 transistor utilize?
A: The SC453 transistor utilizes through-hole mounting.
