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Active Piezo Buzzer, Dia. 12mm, DC 3~15V, Continuous Sound (2 pcs / pack)

Model : TMB12A12

  • Technology : Magnetic
  • Built-in Oscillator Circuit
  • Oscillation Frequency : 2.4±0.2kHz
  • Operating Voltage : DC 3~15V
  • Sound Pressure Level (SPL) : 85dB @ 12V, 10cm
  • Pitch : 7.6mm
  • Diameter : 12mm
  • Height : 9.5mm
  • RoHS
RM0.80

Diameter : 40mm

Rated Power: 0.5W Rated

Impedance: 8Ω

Frequency Response: 45kHz

Directivity: Omnidirectional

Signal-to-Noise ratio: 92 ± 3dB

Usage: Electronics/microcontrollers DIY projects, radio, toys

 

 

RM1.20

Diameter : 50mm

Height : 16~17mm

Rated Power: 0.5W Rated

Impedance: 8Ω

Frequency Response: 4kHz

Directivity: Omnidirectional

Signal-to-Noise ratio: 94 ± 3dB

Usage: Electronics/microcontrollers DIY projects, radio, toys

RM1.30

INDUCTIVE PROXIMITY SENSOR / SWITCH, NPN, M8, DC6-36V, 300mA, 3 WIRES, LJ8A3-1-Z/BX

SPECIFICATIONS

External dimensions

M8x45

Installation type

Shielded

Detection distance

1mm

Setting distance

0-0.8 mm

Supply voltage

6-36Vdc

Output current

DC type: 300mA max

Standard detected object

Mild steel (8x8x1mm)

Sensing object

Magnetic metals (if it is not magnetic metals, the sensing distance would decrease)

Response frequency

500Hz

Matched mounting bracket

M8 mounting bracket

Reverse connection protection

Yes

Insulation resistance

50MΩ min (between charging part and housing)

Dielectric strength

1000Vac, 1min (between charging part and housing)

IP Rating

IP65

Operating temperature

-25 to 70 ℃ (13 to 158 ℉)

Cable length

1.2m, PVC cable

Material

Case: Brass-nickel plated; Sensing surface: ABS

RM10.00

Light-Dependent Resistor LDR / Photoresistor / Photo-Conductive Cell CdS (5pcs / pack)

Specifications

  • LDR / Photoresistor / CdS Head Dia : 5mm
  • Maximum Voltage : 150 Volt DC
  • Maximum Wattage : 50~100mW
  • Spectral Peak : 540nm
  • Light Resistance : 45-140 Kohm
  • Dark Resistance : 10 Mohm
  • Response time : 30ms (Rise), 30ms (Down)
RM0.62

Omnidirectional Electret Condenser Microphone MIC for DIY Projects (Arduino, Raspberry, 8051 and etc)

Specifications

  • With leads and without leads
  • Sensitivity : -46 +/- 3dB, -42 +/- 3dB, -38 +/- 3dB, -34 +/- 3dB (0dB = 1V/pa, 1kHz)
  • Impedance : Low impedance
  • Directivity : Omnidirectional
  • Frequency : 20~16,000Hz
  • Operarion voltage : 3~10Vdc
  • Current consumption : Max. 0.5mA
  • Sensitivity reduction : Within -3dB at 3V
  • S/N ratio : More than 60dB
RM0.50

Piezoelectric Buzzer, Passive Type

Model : AT3527 / 3527 (Equivalent to HNR-3409)

Brand : A&T

SPECIFICATIONS

  • Input Signal : Sinewave, Squarewave, TTL Signal
  • Frequency Range : 100Hz ~ 20kHz
  • Operating Amplitude : 1 ~ 25Vpp
  • Rate Current : Max. 5mA (Squarewave, 10Vpp, 1.1kHz, Duty Cycle 50%)
  • Output Decibel : Min. 80dB (Squarewave, 10Vpp, 1.1kHz, Duty Cycle 50%)
  • Resonance Frequency : 1100Hz +/- 500Hz
  • Capacitance : 50000pF +/- 30% at 1kHz
  • Material : ABS
  • Diameter : 34mm
  • Height : 9mm
  • Leads : Red and Black
  • DC Power Supply Not Required
RM0.85

Ultrasonic Sensor Transmitter and Receiver, Piezoelectric, 40kHz

SPECIFICATIONS

  • Diameter: 16mm
  • Body Height : 12mm
  • Pitch : 9mm
  • Lead Diameter : 1mm
  • Center Rated Frequency : 40.0±1.0kHz
  • Sound Pressure Level (at 10V) : 117 dB
  • Receiver Sensitivity (at 40KHz) : -65 dB
  • Directivity : 55°
  • Driving Voltage : ≤20Vrms
  • Capacitance at 1 kHz, less than 1V (PF) : 2000 +/- 30%
RM2.20