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Manufacturer Part Number Manufacturer Series Packaging Type Output Type Direction Frequency Range Sensitivity SN Ratio Impedance Voltage Rated Voltage Range Current Supply Port Location Ratings Termination Size Dimension Height Max Shape Lifecycle
Lifecycle
1903155 WM7133LIMS/RV Cirrus Logic Inc. WM7133L Tape & Reel (TR) MEMS (Silicon) Analog Omnidirectional 85Hz ~ 10.6kHz -38dB ±3dB @ 94dB SPL 64.5dB 55 Ohms 1.8V 1.5V ~ 3.7V 240µA Bottom - Solder Pads 0.132" L x 0.098" W (3.35mm x 2.50mm) 0.043" (1.10mm) Rectangular Obsolete
1903158 WM7137IMSE/RV Cirrus Logic Inc. - Tape & Reel (TR) MEMS (Silicon) Analog Omnidirectional 85Hz ~ 10.6kHz -38dB ±1dB @ 94dB SPL 62dB 55 Ohms - 1.5V ~ 3.7V 240µA Bottom - Solder Pads 0.148" L x 0.118" W (3.76mm x 3.00mm) 0.047" (1.20mm) Rectangular Obsolete
1903161 WM7138IMSE/RV Cirrus Logic Inc. - - - - - - - - - - - - - - - - - - Obsolete
1903162 WM7211IMSE/RV Cirrus Logic Inc. WM7211E Tape & Reel (TR) MEMS (Silicon) Digital, PDM Omnidirectional 20Hz ~ 20kHz -26 ±1dB @ 94dB SPL 61dB - - 1.64V ~ 3.7V 735µA Top - Solder Pads 0.157" L x 0.118" W (4.00mm x 3.00mm) 0.043" (1.10mm) Rectangular Obsolete
1903165 WM7230IMSE/RV Cirrus Logic Inc. WM7230E Tape & Reel (TR) MEMS (Silicon) Digital, PDM Omnidirectional 20Hz ~ 20kHz -26 ±1dB @ 94dB SPL 61dB - - 1.64V ~ 3.7V 735µA Bottom - Solder Pads 0.157" L x 0.118" W (4.00mm x 3.00mm) 0.043" (1.10mm) Rectangular Obsolete
1903168 WM7121DIMS/RV Cirrus Logic Inc. - - MEMS (Silicon) Analog Omnidirectional 62Hz ~ 15kHz -42dB ±3dB 62dB 250 Ohms - 1.5V ~ 3.7V 200µA Top - - - - - Obsolete
1903401 WM7121PIMSE/RV Cirrus Logic Inc. WM7121PE Tape & Reel (TR) MEMS (Silicon) Analog Omnidirectional 62Hz ~ 13kHz -38dB ±1dB @ 94dB SPL 65dB 55 Ohms - 1.5V ~ 3.7V 240µA Top - Solder Pads 0.148" L x 0.116" W (3.76mm x 2.95mm) 0.047" (1.20mm) Rectangular Discontinued
1903404 WM7216IMSE/RV Cirrus Logic Inc. WM7216E Tape & Reel (TR) MEMS (Silicon) Digital, PDM Omnidirectional 62Hz ~ 12kHz -26dB ±1dB @ 94dB SPL 63dB - 1.8V 1.62V ~ 3.6V 980µA Top - Solder Pads 0.157" L x 0.118" W (4.00mm x 3.00mm) 0.043" (1.10mm) Rectangular Discontinued
1903407 WM7236IMSE/RV Cirrus Logic Inc. WM7236E Tape & Reel (TR) MEMS (Silicon) Digital, PDM Omnidirectional 55Hz ~ 12kHz -26dB ±1dB @ 94dB SPL 63dB - 1.8V 1.62V ~ 2V 1.3mA Bottom - Solder Pads 0.157" L x 0.118" W (4.00mm x 3.00mm) 0.043" (1.10mm) Rectangular Discontinued
1903419 CS7331P-CAZR Cirrus Logic Inc. CS7331P Tape & Reel (TR) MEMS (Silicon) Analog Omnidirectional 85Hz ~ 15kHz -38dB ±1dB @ 94dB SPL 63dB 200 Ohms 1.8V 1.6V ~ 3.6V 60µA Bottom - Solder Pads 0.098" L x 0.063" W (2.50mm x 1.60mm) 0.039" (0.98mm) Rectangular Discontinued
1903422 CS7154B-CAZR Cirrus Logic Inc. * - - - - - - - - - - - - - - - - - Discontinued
1903431 WM7132PIMSE/RV Cirrus Logic Inc. WM7132PE Tape & Reel (TR) MEMS (Silicon) Analog Omnidirectional 62Hz ~ 12.5kHz -38dB ±1dB @ 94dB SPL 65dB 55 Ohms 2.1V 1.5V ~ 3.7V 240µA Bottom - Solder Pads 0.148" L x 0.116" W (3.76mm x 2.95mm) 0.047" (1.20mm) Rectangular Discontinued
1903615 WM7331IMSE/RV Cirrus Logic Inc. - Tape & Reel (TR) MEMS (Silicon) Analog Omnidirectional 70Hz ~ 15kHz -38dB ±1dB @ 94dB SPL 63dB - 1.8V 1.6V ~ 3.6V 60µA Bottom - Solder Pads 0.098" L x 0.063" W (2.50mm x 1.60mm) 0.039" (0.98mm) Rectangular Discontinued
1903626 CS7250B-CAZR Cirrus Logic Inc. CS7250B - MEMS (Silicon) Digital, PDM Omnidirectional 35Hz ~ 13kHz -36dB ±1dB @ 94dB SPL 66dB - 1.8V 1.62V ~ 1.98V 650µA Bottom - - - - - Discontinued

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