R5220K181A-TR,400MA PWM STEP-DOWN DCDC CONVERT
R5220K221A-TR,400MA PWM STEP-DOWN DCDC CONVERT
R5220K231A-TR,400MA PWM STEP-DOWN DCDC CONVERT
R5220K251A-TR,400MA PWM STEP-DOWN DCDC CONVERT
R5220K261A5-TR,400MA PWM STEP-DOWN DCDC CONVERT
R5220K261A-TR,400MA PWM STEP-DOWN DCDC CONVERT
R5220K271A-TR,400MA PWM STEP-DOWN DCDC CONVERT
R5220K281A-TR,400MA PWM STEP-DOWN DCDC CONVERT