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SCD120S - Spike Clamped Diode
A7320A - 18V (30V SPIKE) 2A SYNCHRONOUS PFM/PWM BUCK CONVERTER
BL8091 - 18V (30V spike) 2A Synchronous PFM/PWM Buck Converter
BL9382 - 18V (30V spike) 2A Synchronous Buck Converter
BL8092 - 18V (30V spike)2.5A Synchronous PFM/PWM Buck Converter