Real Time Clock – Mouser Denmark

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Real-Time Clock (RTC) Modules

Micro Crystal Real-Time Clock (RTC) Modules combine a 32.768kHz tuning fork crystal resonator with a CMOS-based oscillator and an RTC IC housed in a miniature SMD ceramic package. The RTC modules offer high accuracy, temperature compensation, and low current consumption. These cost-effective Micro Crystal modules have an extended operating temperature and are AEC-Q200 qualified. Applications include the Internet of Things (IoT), smart metering, energy harvesting solutions, battery management systems, automotive, industrial, computing, embedded systems, wearables, healthcare, and more.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) Filter the results in the table by unit price based on your quantity.	Qty.	Interface Type	Date Format	Time Format	Package/Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Mounting Style	Packaging
Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC RV-3149-C3 32.768kHz OPTION B TB QA Micro Crystal 1: 29,77 kr. 1.381In Stock	Mfr. Part No. RV-3149-C3 32.768kHz OPTION B TB QA Mouser Part No 428-203684-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC Learn More about Micro Crystal real time clock modules	Datasheet	1.381In Stock	Cut Tape 29,77 kr. 22,38 kr. 20,52 kr. 18,50 kr. Reel 17,01 kr. View 17,53 kr. 17,31 kr. 16,56 kr. 16,26 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm RV-3149-C3 32.768kHz OPTION A TA QC Micro Crystal 1: 34,91 kr. 319In Stock	Mfr. Part No. RV-3149-C3 32.768kHz OPTION A TA QC Mouser Part No 428-203658-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 6ppm Learn More about Micro Crystal real time clock modules	Datasheet	319In Stock	Cut Tape 34,91 kr. 26,26 kr. 24,17 kr. 21,78 kr. Reel 19,84 kr. View 20,74 kr. 20,52 kr. 19,55 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 25ppm RV-3149-C3 32.768kHz OPTION B TA QC Micro Crystal 1: 29,84 kr. 717In Stock	Mfr. Part No. RV-3149-C3 32.768kHz OPTION B TA QC Mouser Part No 428-203605-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 25ppm Learn More about Micro Crystal real time clock modules	Datasheet	717In Stock	Cut Tape 29,84 kr. 22,38 kr. 20,59 kr. 18,50 kr. Reel 16,19 kr. View 17,46 kr. 17,08 kr. 15,74 kr. 15,37 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 25ppm RV-3129-C3 32.768kHz OPTION B TA QC Micro Crystal 1: 25,51 kr. 1.297In Stock	Mfr. Part No. RV-3129-C3 32.768kHz OPTION B TA QC Mouser Part No 428-203634-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C Time Acc. 25ppm Learn More about Micro Crystal real time clock modules	Datasheet	1.297In Stock	Cut Tape 25,51 kr. 19,17 kr. 17,53 kr. 15,82 kr. Reel 14,55 kr. View 14,99 kr. 14,32 kr. 14,17 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3129	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-20 PPM SPI -40/+85C RV-8063-C7-32.768KHZ-20PPM-TA-QC Micro Crystal 1: 12,76 kr. 1.470In Stock	Mfr. Part No. RV-8063-C7-32.768KHZ-20PPM-TA-QC Mouser Part No 428-203119-MG01	Micro Crystal	Real Time Clock 32.768 kHz +/-20 PPM SPI -40/+85C Learn More about Micro Crystal real time clock modules	Datasheet	1.470In Stock	Cut Tape 12,76 kr. 9,33 kr. 8,43 kr. 7,45 kr. Reel 6,71 kr. View 6,99 kr. 6,81 kr. 6,39 kr. 6,27 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial, I2C, SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	RV-8063-C7	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C RV-4162-C7-32.768kHz-20PPM-TA-QC Micro Crystal 1: 21,04 kr. 470In Stock 33.000Expected 13/11/2026	Mfr. Part No. RV-4162-C7-32.768kHz-20PPM-TA-QC Mouser Part No 428-200007-MG01	Micro Crystal	Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C Learn More about Micro Crystal real time clock modules	Datasheet	470In Stock 33.000Expected 13/11/2026	Cut Tape 21,04 kr. 15,67 kr. 14,25 kr. 12,83 kr. Reel 11,19 kr. View 12,09 kr. 11,79 kr. 10,97 kr. 10,74 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1 V	4.4 V	- 40 C	+ 85 C	RV-4162-C7	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C RV-8803-C7-32.768KHZ-3PPM-TA-QC Micro Crystal 1: 23,57 kr. 63.660On Order	Mfr. Part No. RV-8803-C7-32.768KHZ-3PPM-TA-QC Mouser Part No 428-202677-MG01	Micro Crystal	Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C Learn More about Micro Crystal real time clock modules	Datasheet	63.660On Order On Order Ship Dates Mfr. No: RV-8803-C7-32.768KHZ-3PPM-TA-QC Stock: 0 On Order: 19.660 Expected 11/11/2026 44.000 Expected 30/04/2027 Factory Lead Time: 34 Weeks	Cut Tape 23,57 kr. 19,25 kr. 18,13 kr. 16,34 kr. View Reel 12,38 kr. 12,91 kr. 12,68 kr. 12,38 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.5 V	5.5 V	- 40 C	+ 85 C	RV-8803-C7	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC RV-3149-C3 32.768kHz OPTION A TB QA Micro Crystal 1: 37,52 kr. 52In Stock 1.000Expected 18/06/2027	Mfr. Part No. RV-3149-C3 32.768kHz OPTION A TB QA Mouser Part No 428-203641-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC Learn More about Micro Crystal real time clock modules	Datasheet	52In Stock 1.000Expected 18/06/2027	Cut Tape 37,52 kr. 28,50 kr. 26,26 kr. 23,80 kr. View Reel 21,71 kr. 22,53 kr. 22,31 kr. 21,71 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200 RV-8063-C8 32.768kHz-20PPM-TA-QA Micro Crystal 1: 12,76 kr. 26In Stock 1.000Expected 05/02/2027	Mfr. Part No. RV-8063-C8 32.768kHz-20PPM-TA-QA Mouser Part No 428-204290-MC01	Micro Crystal	Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200 Learn More about Micro Crystal rv 8063 c8 rtc modules	Datasheet	26In Stock 1.000Expected 05/02/2027	Cut Tape 12,76 kr. 9,33 kr. 8,43 kr. 7,45 kr. Reel 6,71 kr. View 6,99 kr. 6,81 kr. 6,39 kr. 6,27 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SON-8		900 mV	5.5 V	- 40 C	+ 85 C	RV-8063-C8	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 1ppm RV-3028-C7 32.768kHz 1ppm TA QC Micro Crystal 1: 19,40 kr. 189.950On Order	Mfr. Part No. RV-3028-C7 32.768kHz 1ppm TA QC Mouser Part No 428-203591-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C Time Acc. 1ppm Learn More about Micro Crystal rv 3028 c7	Datasheet	189.950On Order On Order Ship Dates Mfr. No: RV-3028-C7 32.768kHz 1ppm TA QC Stock: 0 On Order: 85.950 Expected 23/04/2027 104.000 Expected 21/05/2027 Factory Lead Time: 41 Weeks	Cut Tape 19,40 kr. 14,40 kr. 13,20 kr. 11,86 kr. View Reel 10,74 kr. 11,12 kr. 10,97 kr. 10,74 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C	RV-3028	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 1ppm RV-3028-C7 32.768kHz 1ppm TA QA Micro Crystal 1: 20,89 kr. 69.306On Order	Mfr. Part No. RV-3028-C7 32.768kHz 1ppm TA QA Mouser Part No 428-203603-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C Time Acc. 1ppm Learn More about Micro Crystal rv 3028 c7	Datasheet	69.306On Order On Order Ship Dates Mfr. No: RV-3028-C7 32.768kHz 1ppm TA QA Stock: 0 On Order: 2.306 Expected 16/04/2027 21.000 Expected 14/05/2027 18.000 Expected 28/05/2027 28.000 Expected 28/06/2027 Factory Lead Time: 37 Weeks	Cut Tape 20,89 kr. 15,44 kr. 14,17 kr. 12,68 kr. View Reel 11,26 kr. 12,01 kr. 11,64 kr. 11,26 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C	RV-3028	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 6ppm AEC RV-3129-C3 32.768kHz OPTION A TB QA Micro Crystal 1: 37,37 kr. 26.738On Order	Mfr. Part No. RV-3129-C3 32.768kHz OPTION A TB QA Mouser Part No 428-203618-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C Time Acc. 6ppm AEC Learn More about Micro Crystal real time clock modules	Datasheet	26.738On Order On Order Ship Dates Mfr. No: RV-3129-C3 32.768kHz OPTION A TB QA Stock: 0 On Order: 10.738 Expected 18/06/2027 16.000 Expected 23/07/2027 Factory Lead Time: 45 Weeks	Cut Tape 37,37 kr. 28,20 kr. 25,96 kr. 23,42 kr. View Reel 20,44 kr. 22,23 kr. 22,01 kr. 20,44 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3129	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 6ppm RV-3129-C3 32.768kHz OPTION A TA QC Micro Crystal 1: 34,91 kr. 8.648On Order	Mfr. Part No. RV-3129-C3 32.768kHz OPTION A TA QC Mouser Part No 428-203688-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C Time Acc. 6ppm Learn More about Micro Crystal real time clock modules	Datasheet	8.648On Order On Order Ship Dates Mfr. No: RV-3129-C3 32.768kHz OPTION A TA QC Stock: 0 On Order: 3.648 Pending 5.000 Expected 30/04/2027 Factory Lead Time: 29 Weeks	Cut Tape 34,91 kr. 26,26 kr. 24,17 kr. 21,78 kr. 20,74 kr. Reel 20,74 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3129	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC RV-3129-C3 32.768kHz OPTION B TB QA Micro Crystal 1: 31,93 kr. 3.230On Order	Mfr. Part No. RV-3129-C3 32.768kHz OPTION B TB QA Mouser Part No 428-203639-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC Learn More about Micro Crystal real time clock modules	Datasheet	3.230On Order	Cut Tape 31,93 kr. 24,10 kr. 22,16 kr. 19,99 kr. Reel 18,35 kr. View 18,95 kr. 18,72 kr. 17,98 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3129	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200 RV-3028-C8-32.768kHz-1PPM-TA-QA Micro Crystal 1: 24,39 kr. 1.884On Order New Product	Mfr. Part No. RV-3028-C8-32.768kHz-1PPM-TA-QA Mouser Part No 428-RV3028C81PPMTAQA New Product	Micro Crystal	Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200 Learn More about Micro Crystal rv 3028 c8 rtc modules	Datasheet	1.884On Order On Order Ship Dates Mfr. No: RV-3028-C8-32.768kHz-1PPM-TA-QA Stock: 0 On Order: 884 Expected 27/11/2026 1.000 Expected 08/01/2027 Factory Lead Time: 11 Weeks	Cut Tape 24,39 kr. 18,20 kr. 16,56 kr. 14,92 kr. Reel 14,17 kr. View 14,17 kr. 13,13 kr. 12,98 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SON-8	Backup Switching	1.1 V	5.5 V	- 40 C	+ 85 C	RV-3028-C8	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6mm RV-3028-C8-32.768kHz-1PPM-TA-QC Micro Crystal 1: 23,35 kr. 4.509On Order New Product	Mfr. Part No. RV-3028-C8-32.768kHz-1PPM-TA-QC Mouser Part No 428-RV3028C81PPMTAQC New Product	Micro Crystal	Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6mm Learn More about Micro Crystal rv 3028 c8 rtc modules	Datasheet	4.509On Order On Order Ship Dates Mfr. No: RV-3028-C8-32.768kHz-1PPM-TA-QC Stock: 0 On Order: 509 Expected 13/11/2026 1.000 Expected 08/01/2027 1.000 Expected 12/02/2027 2.000 Expected 26/02/2027 Factory Lead Time: 11 Weeks	Cut Tape 23,35 kr. 17,38 kr. 15,96 kr. 14,32 kr. Reel 12,76 kr. View 13,50 kr. 13,13 kr. 12,46 kr. 12,38 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SON-8	Backup Switching	1.1 V	5.5 V	- 40 C	+ 85 C	RV-3028-C8	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz, 20PPM, Real-Time Clock Module with SPI-Bus RV-8063-C8 32.768kHz-20PPM-TA-QC Micro Crystal 1: 12,16 kr. 1.000Expected 05/02/2027	Mfr. Part No. RV-8063-C8 32.768kHz-20PPM-TA-QC Mouser Part No 428-204233-MC01	Micro Crystal	Real Time Clock 32.768kHz, 20PPM, Real-Time Clock Module with SPI-Bus Learn More about Micro Crystal rv 8063 c8 rtc modules	Datasheet	1.000Expected 05/02/2027	Cut Tape 12,16 kr. 8,95 kr. 7,98 kr. 7,08 kr. Reel 6,40 kr. View 6,65 kr. 6,59 kr. 6,08 kr. 5,95 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SON-8		900 mV	5.5 V	- 40 C	+ 85 C	RV-8063-C8	SMD/SMT	Reel, Cut Tape, MouseReel

Real-Time Clock (RTC) Modules

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Real-Time Clock (RTC) Modules

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