WM-61B102B

Microphone Cartridges Omnidirectional Back Electret Condenser Microphone Cartridge Series: WM-61A WM-61 B (pin type) ■ Features ● Small microphones for gener al use ● Back electret type designed for high resistance to vibrations, high signal-to-noise ratio ● High sensitivity type ● Microphone with pins for flexible PCB (WM-61B type) ■ Sensitivity Vs = 2.0V RL = 2.2k Ω –35 ± 4dB ■ Specifications Sensitivity –35±4dB (0db = 1V/pa, 1kHz) Impedance Less than 2.2 k Ω Directivity Omnidirectional Frequency 20–20,000 Hz Max. operation voltage 10V Standard operation voltage 2V Current consumption Max. 0.5 mA Sensitivity reduction Within –3 dB at 1.5V S/N ratio More than 62 dB ■ Typical Frequency Response Curve Relative Response (dB) +20 +10 0 –10 –20 –30 20 50 100 200 500 1000 Frequency (Hz) 2000 5000 10000 20000 ■ Dimensions in mm (not to scale) WM-61A WM-61B 3.4 3.4 1.9 ø6.0 ø6.0 Term 2 ground 1.5 Term 1 output Term 1 output Term 2 ground Design and specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety arises from this product, please contact us immediately for technical consultation.