Attenuators , Filters , Piezo alarms , Buzzer

ATTENUATOR 10 dB;Reguleeritav attenuaator 0...-10dB 45-2300MHz Aerial Coaxial Cable Variable Attenuator 10dB AERIAL;RF MALE TO RF FEMALE ;Covers the UHF & VHF range of frequencies;

ATTENUATOR 12 dB;Reguleeritav attenuaator 0...-12dB 45-2300MHz Aerial Coaxial Cable Variable Attenuator 12dB AERIAL;RF MALE TO RF FEMALE ;Covers the UHF & VHF range of frequencies;

ATTENUATOR 18 dB;Reguleeritav attenuaator 0...-18dB 45-2300MHz Aerial Coaxial Cable Variable Attenuator 18dB AERIAL;RF MALE TO RF FEMALE ;Covers the UHF & VHF range of frequencies;

ATTENUATOR 3 dB;Reguleeritav attenuaator 0...-3dB 45-2300MHz Aerial Coaxial Cable Variable Attenuator 3dB AERIAL;RF MALE TO RF FEMALE ;Covers the UHF & VHF range of frequencies;

Aerial Coaxial Cable Variable Attenuator 6dB AERIAL;RF MALE TO RF FEMALE ;Covers the UHF & VHF range of frequencies; Reguleeritav attenuaator 0...-6dB 45-2300MHz ;

The HCT9040B is an external-driven, surface-mount (SMD) magnetic buzzer manufactured by Kaili Electronic Factory.; Type: SMD magnetic buzzer (surface mount)Drive Type: External-drivenDimensions: 10.5 mm × 9 mm × 4 mm (Height)Operating Voltage: 3V p-pResonant Frequency: 2.7 kHzSound Output: 85 dB;

The ONPOW LAS1-A Buzzer is a 16mm mounting-hole acoustic panel indicator that emits an audible sound signal at roughly 75dB. Mounting Hole Size: 16 mm diameterSound Level: 75 dB at 1 meter distanceSound Frequency: 2300Hz (±300Hz)Sound Type: Continuous or discontinuous optionsOperating Voltages: Available in 6VDC, 12VDC, 24VDC, 110VAC, and 220VACOperating Temperature: -25°C to 55°COperating Humidity: 45% to 85% RH;

Buzzer LD-BZEG-1212/3, electromagnetic sounder, 85dB, 3.1kHz, 12x7.5mm Sound transducer: piezo signaller; without built-in generator; Manufacturer: LOUDITY Type of sound transducer: electromagnetic signaller Sound transducer features: with built-in generator Mounting: THT Resonant frequency: 2.3kHz Operating voltage: 2...5V DC Operating current: 30mA Diameter: 12mm Height: 7.5mm Sound level: 85dB Terminal pitch: 7.6mm Resonant frequency tolerance: ±0.4kHz Operating temperature: -20...70°C Gross weight: 1.575 g;

Buzzer 70dB 2048Hz 50Ω Ø12x5mm ;Magnetic Buzzer Without Oscillator Ucc=1-2V I<10mA SPL>70dB . Rated voltage: 1.5V p-p (operating range: 1.0 – 2.0V) | Current consumption: Max. 10 mA (at rated voltage) | Sound pressure level (SPL): Min. 70 dB at 10 cm distance | Resonant frequency: 2048 Hz (square wave, 50% duty cycle) | Coil resistance: 50 Ω ± 5 Ω | Mounting type: Through-hole (Pins / THT) | Dimensions: Diameter Ø12 mm, height 5 mm | Operating temperature: -20°C to +70°C;

Този модел зумер се използва често в промишлени системи за управление, проекти за автоматизация, системи за сигурност и други електронни приложения. Отличават се с големия си обем и издръжливата си конструкция.;

12V, 4kHz, 85dB, 2PIN ZUMER WITH GENERATOR Зумер;

ZUMER BMT-0903; Miniature electromagnetic (magnetic) internal-driven buzzerRated Voltage: 5V DC (operates typically between 1.5V and 12V DC)Resonant/Output Frequency: 2.3 kHzSound Output Level: 85 dB (at 10 cm or rated voltage)Dimensions: Diameter of roughly 12 mm x 9.5 mm depthConstruction: Sealed construction suitable for standard cleaning and soldering processes;

ZUMER BMT1212H09 It is a transducer without an internal generator, Type: Electromagnetic audio indicator / buzzerOperating Voltage: 7V to 16V ACResonant Frequency: 2.4 kHzSound Output: 85 dBDimensions: Diameter of Ø12 mm x 9 mm heightMounting Style: Through-Hole Technology (THT / Pins);

Звуков преобразувател: електромагнитен сигнализатор; THT; честота: 2.3kHz Type of sound transducer: electromagnetic signaller Sound transducer features: with built-in generator Mounting: THT Resonant frequency: 2.3kHz Operating voltage: 4...8V DC Operating current: 30mA Diameter: 16mm Height: 14mm Sound level: 85dB Terminal pitch: 7.6mm Resonant frequency tolerance: ±300Hz Operating temperature: -25...70°C Gross weight: 4.83 g;

Звуков преобразувател: пиезо сигнализатор; без вграден генератор Type of sound transducer: piezo signaller Sound transducer features: without built-in generator Resonant frequency: 4kHz Operating voltage: 1...30V AC Sound level: 78dB (d=0.1 m) Capacitance: 15nF Body dimensions: Ø17x7mm Terminal pitch: 10mm Capacitance measurement frequency: 120Hz Resonant frequency tolerance: ±0.5kHz Operating temperature: -20...60°C Gross weight: 1.125 g;

ZUMER BPT24B LF is a 24mm ceramic audio transducer (piezo buzzer or element) primarily used as an electronic sound component. Piezoelectric / Ceramic Audio Transducer, 12V, Diameter (d): 24mmAlternative Code/Cross-Reference: BZ-11Compliance: "LF" typically indicates Lead-Free (RoHS compliant).;

ZUMER BZ-18; Type: Piezo alarm / sound transducer without built-in generatorOperating Voltage: 5V to 30V DC (typically rated around 25V DC)Resonant Frequency: 4 kHzDiameter: 17 mmMounting Holes Pitch: 10 mm;

3VDC d=9mm.PCB PIEZO ELEMENT, ЗУМЕР БЕЗ ГЕНЕРАТОР ;

ZUMER BZ-33 No generator Physical Dimensions: Diameter: 33.5 mm Height: 4.2 mm Terminals, Dimensions: φ 16 × 13 mm; Electrical Specifications: Passive Piezoelectric Transducer. Operating Voltage Range: 1.5V to 30V AC Current Consumption: — ≤ 3 mA to 5 mA).Capacitance (at 120Hz): Around 25,000 pF ± 30%. Acoustic PerformanceResonant Frequency: 2.8 kHz ± 0.5 kHz . Sound Pressure Level (SPL): ≥ 85 dB. Output Sound: The tone, melody, or beeping pattern depends entirely on the frequency of the pulse-width modulation (PWM) signal provided by your driver circuit.Would you like a wiring diagram for connecting it to a microcontroller, or do you need a sample Arduino/ESP32 code to generate different tones?;

ZUMER BZEN0803 SMD; Type: Electromagnetic sounder without a built-in generatorMounting Type: Surface-mount device (SMD)Dimensions: 8.5 x 8.5 x 3 mmOperating Voltage: 2.5V to 4.5V DCOperating Current: 90 mAResonant Frequency: 2.73 kHzSound Level: 85 dBCoil Resistance: 16 Ω (±3 Ω)Operating Temperature: -30°C to 80°C ;

Operating Voltage: 3 VDC to 8 VDC (Optimized for 6V systems)Sound Pressure Level (SPL): 85 dB to 90 dB at a 10 cm distance (quite loud for its size)Resonant Frequency: 2200 Hz to 2300 Hz (produces a high-pitched alert tone)Current Consumption: ~30 mAConnection Type: PCB Through-hole Pin Terminals, Dimensions: φ 16 × 13 mm;

BZ-10 External drive type (driver needed) Operating voltage: 30V Sound Pressure: 90dB @ 4.1KHz Current Consumption: 10mA Capacitance: 25,000pF +/- 30%;

ZUMER KPE-112; ZUMER KPEG-112; Size: Installation:Pin Type Dimensions(mm): 24.00*7.30 Electrical Characteristics: Frequency(Hz): 4.0K Max current consumption (mA): Max. 11.0@10Vp-p Square Wave. 4.0KHz SPL(dB): Min. 92dB@10cm/10Vp-p Square Wave. 4.0KHz Electrostatic Capacity (pF): 25,000±30%@1KHz/1V Tone: Continuous Others: Operation Temp.(℃): -30~85 Storage Temp.(℃): -40~+95 Material: ABS UL-94 1/16" HB High Heat (Black) ;

12V, 4kHz, 85dB, 2PIN ZUMMER /Зумер/ d:24мм; h:17мм PE-216A;3CA8911239;