| Part No | Manufacturer | Price | Stock |
| Geefook (shenzhen) Electronic Co., Ltd | KA2803B (Подробнее) | onsemi | 0.89$ | 35000 |
| Geefook (shenzhen) Electronic Co., Ltd | KA2803BD (Подробнее) | onsemi | – | 35000 |
| Geefook (shenzhen) Electronic Co., Ltd | KA2803BDTF (Подробнее) | onsemi | 0.83$ | 35000 |
Digi-ic_SMART PIONEER Electronic | KA2803BDTF (IC EARTH LEAKAGE DETECTOR 8-SOP Подробнее) | onsemi | – | 14761 |
| Digi-ic_SMART PIONEER Electronic | KA2803B (IC EARTH LEAKAGE DETECTOR 8-DIP Подробнее) | onsemi | – | 13229 |
| YUHUA TECHNOLOGY | KA2803BDTF (China HongKong - 3 days; , Package: : SOP8; , D/c: : 21+) | ON | – | 12000 |
| Icseek Global Limited | KA2803BDTF (Оригинальный и наличный и новый) | FAIRCHILD | – | 8643 |
| Icseek Global Limited | KA2803BD (Оригинальный и наличный и новый) | FAIRCHILD | – | 8643 |
| Icseek Global Limited | KA2803B (Оригинальный и наличный и новый) | FAIRCHILD | – | 8643 |
| EK-Komponent | KA2803BDTF | Fairchild Semiconductor | – | 8632 |
| Digi-ic_SMART PIONEER Electronic | KA2803BD (IC EARTH LEAKAGE DETECTOR 8-SOP Подробнее) | onsemi | – | 6025 |
| ООО "Аркион" | KA2803BDTF (от 4-х недель; , Package: : N/A; , Min order: : 1; , D/c: : DC: N/A) | ON Semiconductor | – | 6000 |
| HK CARLACCI TRADING CO.,LIMITED | KA2803BDTF (Package: : SOP-8) | Fairchild | – | 5580 |
| IC STOCK TECHNOLOGY LIMITED | KA2803BDTF (D/c: : 21+) | ON | – | 3954 |
| OMO ELECTRONIC LIMITED | KA2803B (Package: : 8-DIP) | ON | – | 3242 |
| BETTLINK ELECTRONIC LIMITED | KA2803BD (IC EARTH LEAKAGE DETECTOR 8-SOP Подробнее) | ON Semiconductor | 0.3601$ | 2780 |
| EK-Komponent | KA2803B | Fairchild Semiconductor | – | 1216 |
| IC STOCK TECHNOLOGY LIMITED | KA2803B (D/c: : 13+) | FSC | – | 886 |
| BETTLINK ELECTRONIC LIMITED | KA2803BDTF (Analog Comparators Earth Leak Detector Подробнее) | ON Semiconductor | 1.0314$ | 24 |
| XПро-актив | KA2803BD | FSC | – | Stock |
| Soloviev | KA2803BD | FSC | – | Stock |
| King-YiKu Optoelectronics Co., Ltd. | KA2803B (22+; , D/c: : 1874) | FSC | – | – |
| King-YiKu Optoelectronics Co., Ltd. | KA2803BDTF (22+; , D/c: : 80091) | ON | 8$ | – |
| AVELСOM SPB | KA2803B (Asia,TUBE; от шт.) | – | – | Срок 6-8 weeks, 4800 |
| ООО "Интегральные схемы" | KA2803B | – | – | from 7 days |
| ООО "Интегральные схемы" | KA2803BD | – | – | from 7 days |
| ООО "Интегральные схемы" | KA2803BDTF | – | – | from 7 days |
| ООО "Интегральные схемы" | KA2803BFC | – | – | from 7 days |
| ООО "Интегральные схемы" | KA2803B_NL | – | – | from 7 days |
| Aspect | KA2803B | – | – | from 7 days |
| Aspect | KA2803BD | – | – | from 7 days |
| Aspect | KA2803BDTF | – | – | from 7 days |
| Aspect | KA2803BFC | – | – | from 7 days |
| Aspect | KA2803B_NL | – | – | from 7 days |
RoHS 
Pb-free