Part No. VDD Operating Current Standby Current ZC Off/On 
for Override
Flash on Mode
 Auto-change
Comparator
 Window
Effective Trigger
Width
CDS Debounce Time Triac
Drive
Relay
Drive
LED Buzzer LVD Package
HT7610A
5V~12V 100μA -- 2 times Flash 1/16
(VDD-VEE)
>24ms 5s -- v -- -- -- 16DIP
HT7610B v -- -- -- --
HT7611A
5V~12V 100μA -- 1 time No Flash 1/16
(VDD-VEE)
>24ms 5s -- v -- -- -- 16DIP
HT7611B v -- -- -- --
HT7612 2.7V~
5.5V
-- 17μA 2 times Flash Vref x
(1/2±1/6)
>24ms 15~20s v v v v v 16DIP, 16NSOP
HT7612B 19μA <3s

Note: Operating and standby current values are typical values.