
M8301S is an IC designed for slotted photoelectric sensor switches. It integrates signal detection, logic control and driver circuits. Two complementary N-channel transistors with high-current drive output are embedded on-chip, supporting selection between normally open and normally closed applications. It requires very few external components, greatly reduces system cost and delivers superior reliability, making it ideal for ultra-compact sensor designs.
It offers comprehensive protection and anti-interference performance, with built-in over-temperature protection, load short-circuit protection and load overcurrent protection. Its electromagnetic interference immunity significantly suppresses EMI effects to ensure stable and reliable sensor operation under harsh application conditions. Available in DFN8-3×3×0.75 package.
Position Limiting
Position Detection
Speed Detection
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Complementary Output with Dual NPN Transistors
Wide Operating Voltage: 5~30V
Passes 4kV EFT Coupling Clamp Immunity Test
Passes 4kV Contact HBM ESD Test
Operating Frequency: 1~3kHz, max up to 5kHz
Operating Temperature: -25~105℃
Overtemperature Protection
| Category | Parameters |
| Response Frequency | 1 ~ 3 kHz, adjustable up to 5 kHz. |
| Reliability Protection |
4kV EFT coupling clamp interference test; 4kV contact HBM ESD test
|
| Operating Voltage |
5V~30V |
| Output Type |
Dual NPN transistor complementary output |
| Package Type | DFN8-3*3*0 .75 |
| Operating Temperature | -25℃ ~105℃ |
| Reverse Polarity Protection | Reverse polarity protection supported. |
| Misconnection Protection |
Supports misconnection protection. |
| Overcurrent Protection |
Supports overcurrent protection: 260 ~ 350 mA (typical 300 mA). |
| Overtemperature Protection | Supports thermal protection. |
| Short-circuit Protection |
Supports load short-circuit protection. |



