A121SN01 V.0

The A121SN01 is designed as one kind of solid state current sensor device, A121SN01 has a single or darlington transistor output. And a bi-directional or uni-directional input is available depending on which model you choose. Current transfer ratios range from 33% to 1000%. A121SN01 can be used in wide range of applications such as (1)telecom switching; (2)tip/ring circuits; (3)modem switching (laptop, notebook, pocket size); (4)loop detect; (5)ring detect; (6)current sensing. Features of the A121SN01 are:(1)AC and DC Input Versions Available; (2)Small 8 Pin DIP Package; (3)100mA Continuous Load Rating; (4)3750VRMS Input/Output Isolation; (5)Machine Insertable, Wave Solderable; (6)Surface Mount and Tape & Reel Versions Available.

The absolute maximum ratings of the A121SN01 can be summarized as:(1)Input Power Dissipation: 150 mW;(2)Input Control Current: 100 mA;(3)Reverse Input Voltage: 5 V;(4)Phototransistor: 150 mW;(5)Power Dissipation Total Package Dissipation: 800 mW;(6)Operational Temperature: -40 to +85 °C;(7)Storage Temperature: -40 to +125 °C;(8)Soldering Temperature DIP Package: +260 °C;(9)Soldering Temperature Surface Mount Package (10 Seconds Max.): +220 °C. If you want to know more information about the A121SN01, please download the datasheet in www.seekic.com or www.chinaicmart.com .