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// Marine Nautical Connectors

Depth Sounder Transducer Connector

Depth sounder transducers connect to fishfinders and chartplotters via proprietary 7-pin or 8-pin circular connectors or standard B-Style transducer sockets carrying piezoelectric transducer signals at 50/77/200 kHz.

// Specifications
Standard
Airmar Garmin Lowrance proprietary
Connector
7-pin or 8-pin circular or B-Style
Frequency
50 77 83 200 455 800 1000 kHz
Use Case
Fishfinder depth sounder chartplotter
Brands
Airmar Garmin Lowrance Humminbird
Signal
Piezoelectric transmit and receive
// Pin Reference Table
Pin Name Function Type
1 SHIELD Transducer shield GND
2 SIGNAL+ Transducer signal positive ADC
3 SIGNAL- Transducer signal negative ADC
4 TEMP Temperature sensor NTC ADC
5 TEMP_GND Temperature ground GND
6 VCC Transducer supply 5V PWR
7 GND Ground GND