PS5163EV,电池管理 2 CELL LI ION/POLY
PS5164,MODULE BATTERY MGR W/LED DISPLAY
PS5164EV,KIT EVALUATION PS5164 W/PS051
PS-520,SIREN PIEZO 5-15 VDC WIRE LEADS
PS-520Q,SIREN PIEZO 5-15 VDC WIRE LEADS
PS-521,音频指示器及警报器 1.75X1.58" PULSE
PS-521Q,BUZZER PIEZO 3KHZ SLW PULSE BRKT
PS-522,音频指示器及警报器 1.75X1.58" HI/LO
