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MA40S4S
Ultrasonic Sensor, Transmitter, MA40 Series, 9.9 mm Diameter, 40 kHz, -63 dB, -40 °C to 85 °C
Image is for illustrative purposes only. Please refer to product description.

| Manufacturer | MURATA |
|---|---|
| Manufacturer Part No | MA40S4SCopy |
| Manufacturer Standard Lead Time | 16 weeks |
| Order Code | 1777667 |
| Product Range | MA40 Series |
| Your Part Number | |
| Technical Datasheet |
Available to Order
Manufacturer Standard Lead Time: 16 week(s)
Notify me when back in stock
| Quantity | Price |
|---|---|
| 1+ | HK$45.300 |
| 10+ | HK$43.410 |
| 25+ | HK$41.100 |
| 50+ | HK$39.630 |
| 100+ | HK$38.150 |
| 500+ | HK$34.200 |
Price for:Each
Minimum: 1
Multiple: 1
HK$45.30
Line Note
Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
Product Information
| Manufacturer | MURATA |
|---|---|
| Manufacturer Part No | MA40S4SCopy |
| Manufacturer Standard Lead Time | 16 weeks |
| Order Code | 1777667 |
| Product Range | MA40 Series |
| Technical Datasheet | |
| Sensing Range Min | 200mm |
| Sensing Range Max | 4m |
| Beam Angle | 80° |
| Switching Frequency | 40kHz |
| External Diameter | 9.9mm |
| Sensitivity (dB) | -63dB |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Product Range | MA40 Series |
| SVHC | Lead titanium zirconium oxide (04-Feb-2026) |
Product Overview
MA40S4S is an ultrasonic sensor that emits ultrasonic waves in the air that reflect off of objects. The reflected sound is then received by the sensor. This technology is used for detection of objects in burglar alarms and automatic doors as well as for range measurement in automotive parking assistance systems.
- Open type construction
- 40KHz centre frequency
- S.P.L of 120dB typ. (0dB=0.02mPa)
- Directivity of 80deg. (typ.)
- 2550pF capacitance and ±20% tolerance
- Operating temperature range from -40°C to 85°C
- 20Vp-p continuous signal, square wave input voltage
- Through hole termination
Technical Specifications
| Sensing Range Min | 200mm |
|---|---|
| Beam Angle | 80° |
| External Diameter | 9.9mm |
| Operating Temperature Min | -40°C |
| Product Range | MA40 Series |
| Sensing Range Max | 4m |
|---|---|
| Switching Frequency | 40kHz |
| Sensitivity (dB) | -63dB |
| Operating Temperature Max | 85°C |
| SVHC | Lead titanium zirconium oxide (04-Feb-2026) |
Technical Docs (3)
Legislation and Environmental
| Country of Origin: Country in which last significant manufacturing process was carried outCountry of Origin: | Japan Country in which last significant manufacturing process was carried out |
|---|---|
| Tariff No: | 85437090 |
| US ECCN: | EAR99 |
| EU ECCN: | NLR |
| RoHS Compliant: | Yes RoHS |
| RoHS Phthalates Compliant: | Yes RoHS |
| SVHC: | Lead titanium zirconium oxide (04-Feb-2026) |
| Download Product Compliance Certificate | Product Compliance Certificate |
| Weight (kg): | .0005 |
