Parts from Knowles, ED Inventory

20Hz ~ 10kHz Digital, PDM Microphone MEMS (Silicon) 1.6V ~ 3.6V Omnidirectional (-37dB ±1dB @ 94dB SPL) Solder Pads

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	423-1424-2-ND	35400	5900						$0.63

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4700pF ±10% 250V Ceramic Capacitor X7R 2220 (5750 Metric)

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	1608-1162-1-ND	2797	1	$3.61	$2.92	$2.55	$2.23	$1.70	$1.70

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21 Ohms Receiver, Balanced Armature Speaker 300Hz ~ 3.5kHz Top Round 117dB

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	423-1118-ND	819	1	$71.90	$57.28	$51.78	$51.78	$51.78	$51.78

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Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	423-5100-253444-ND	2	1	$9.90	$7.34	$6.06	$5.60	$4.83	$4.83

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100pF ±1% 10V Ceramic Capacitor C0G, NP0 (1B) 0603 (1608 Metric)

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	0603J0100101FCT-ND	0	8000						$0.30

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Accelerometer X Axis

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	423-BU-23173-000-ND	155	1	$47.42	$49.62	$52.39	$52.56	$48.02	$48.02

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180pF ±20% 10V Ceramic Capacitor X7R (2R1) 0603 (1608 Metric)

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	0805J0100181MXR-ND	0	24000

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0.022 µF ±10% 1000V (1kV) Ceramic Capacitor X7R 2220 (5750 Metric)

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	1608-1169-6-ND	0	1	$3.17	$2.57	$2.24	$1.96	$1.30	$1.30

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10000 pF ±10% 1500V (1.5kV) Ceramic Capacitor X7R (2R1) 1206 (3216 Metric)

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	1608-1406-6-ND	4257	1	$0.91	$0.67	$0.53	$0.46	$0.31	$0.27

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0.4 µF ±20% 50V Ceramic Capacitor X7R 1410 (3524 Metric)

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	1608-1113-6-ND	11143	1	$4.24	$3.82	$3.31	$2.89	$2.21	$2.11