CG01-J Rev. 1

577

SENSORS

ULTRASONIC SENSORS

MA40 SERIES

MA40 SERIES

OPEN TYPE FEATURES

APPLICATIONS

MA40E SERIES

WATERPROOF TYPE FEATURES

40kHz Sensors

APPLICATIONS

For more detailed information regarding this product line in North America, consult us.

To receive additional information on Murata Products call 1-800-831-9172.

DIMENSIONS: mm

MA40S4R/S

MA40E7S-1

MA40B8R/S

MA40MF14-1B

MA40S5

MA40E7R/S

MA40B7

MA40E8-2

SPECIFICATIONS

Part Number

MA40E7R/S

MA40S4R/S

MA40B8R/S

MA40B7

MA40E7S-1

MA40S5

MA40E8-2

MA40MF14-1B

Construction

Waterproof type

Open structure type

Waterproof type Open structure type

Waterproof type

Using Method

Receiver and Transmitter (Dual use) type

Combined use type

Nominal Frequency (kHz)

40

Overall Sensitivity

(dB)

——

—

–45

+4

–5

—

–50 ± 4

—

—

Sensitivity

(dB)

–74 min.

–63 ± 3

–63 ± 3

—

–72 min.

—

–85 min.

–87 min.

Sound Pressure

(dB)

106 min.

120 ± 3

120 ± 3

—

106 min.

—

106 min.

103 min.

Directivity

(deg)

100

80

50

44

75

70

75

110 x 50

Capacitance

(pF)

2200 ± 20%

2550 ± 20%

2000 ± 20%

2000 ± 20%

2200 ± 20%

2550 ± 20%

2800 ± 20%

4000 ± 20%

Operating Temp. Range(°C)

–30 ~ +85

–40 ~ +85

–30 ~ +85

–40 ~ +85

–30 ~ +85

Detectable Range

(m)

0.2 ~ 3

0.2 ~ 4

0.2 ~ 6

0.2 ~ 4

0.2 ~ 3

0.2 ~ 2.5

0.2 ~ 1.5

0.2 ~ 1.5

Resolution

(mm)

9

Dimension

(mm)

18 x 12h

9.9 x 7.1h

16 x 12h

16 x 12h

9.9 x 7.1h

14 x 8h

Weight

(g)

4.5

0.7

2.0

2.0

4.5

0.7

2.4

2.4

Allowable Input

85 (40kHz)

20 (40kHz)

40 (40kHz)

100 (40kHz)

100Vpp

60 (40kHz)

160 (40kHz)

160Vpp

Voltage

(Vp-p) Pulse width 0.4ms

Continuous signal Continuous signal

Pulse width 0.4ms Pulse width 0.4ms Pulse width 0.4ms Pulse width 0.8ms Pulse width 0.8ms

(Rectangular wave)

Interval

100ms

Interval

100ms Interval

100ms Interval

100ms Interval

60ms Interval

60ms

Packaging Quantity (Pcs.)

90

540

150

150

90

540

80

150

OLD PART NUMBERING SYSTEM

MA40

(– )(R/S)

40kHz

B: 16mm dia.

MODEL

R: RECEIVER FOR DUAL TYPE

FAMILY

S: SMALL 10mm dia.

S: SENDER FOR DUAL TYPE

E: WATERPROOF

9.9

7.1

10

5

12.0

± 0.5

9.0

± 1.0

10.0

± 0.3

50

± 2 deg.

9

± 0.1

3

±0.1

14

± 0.1

12

±0.2

16

12

9

10

18

12

10

10

10.4

16

12

9

10

8

± 0.3

39.5

± 5

14

± 0.3

10.4

9.9

7.1

10

5

MA

40MF

14

-1N

-M

PRODUCT ID

SERIES

CHARACTERISTICS

INDIVIDUAL

PACKAGING

SPECIFICATION

CODE

*Global Part Number shows only an example which might be different from actual part number.

*Any other definitions than “Product ID” might have different digit numbers from actual Global Part Number.

NEW PART NUMBERING SYSTEM