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RX-8025SA Real-Time Clock Modules

Epson Timing RX-8025SA Real-Time Clock Modules feature a 0.48µA backup current and 1.7V to 5.5V voltage range. RX-8025SA modules have a built-in 32.7kHz crystal unit, I²C-Bus interface, and numerous functions, including power supply voltage monitoring, stop detection, full calendar, and dual alarm. Epson Timing RX-8025SA Real-Time Clock Modules operate in the -40°C to +85°C temperature range.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	RTC Bus Interface	Date Format	Time Format	Package / Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Mounting Style	Time Keeping Current	Packaging
	Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R RX-4045SAAA3 PURE SN Epson Timing 1: ¥1,589.6 913In Stock	Mfr. Part # RX-4045SAAA3 PURE SN Mouser Part # 732-RX-4045SA:AA3S	Epson Timing	Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R	Datasheet	913In Stock	Cut Tape ¥1,589.6 ¥1,237.4 ¥1,053.1 ¥981.7 Reel ¥936.8 View ¥930.2 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250			Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-4045SA	SMD/SMT		Reel, Cut Tape, MouseReel
	Real Time Clock RTC SON 14PIN 5+/-23PPM 250TR RX-4571SA:B3 PURE SN Epson Timing 1: ¥634.5 15In Stock 500Expected 11/25/2026	Mfr. Part # RX-4571SA:B3 PURE SN Mouser Part # 732-RX-4571SAB3	Epson Timing	Real Time Clock RTC SON 14PIN 5+/-23PPM 250TR	Datasheet	15In Stock 500Expected 11/25/2026	Cut Tape ¥634.5 ¥475 ¥435.2 ¥392 Reel ¥368.7 View ¥348.8 ¥332.2 ¥328.9	Min.: 1 Mult.: 1 : 250			Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOP-14	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX-4571SA	SMD/SMT		Reel, Cut Tape
	Real Time Clock I2C Bus 5 +/-23ppm RX-8025SA:AA0 Epson Timing 1: ¥732.5 19In Stock 1,000Expected 10/5/2026	Mfr. Part # RX-8025SA:AA0 Mouser Part # 732-RX-8025SA:AA0	Epson Timing	Real Time Clock I2C Bus 5 +/-23ppm Learn More about Epson Timing epson rx 8025sa rtc modules	Datasheet	19In Stock 1,000Expected 10/5/2026	Cut Tape ¥732.5 ¥554.8 ¥509.9 ¥426.9 View Reel ¥388.7 ¥405.3 ¥402 ¥388.7 MouseReel Available	Min.: 1 Mult.: 1 : 1,000			I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-8025SA	SMD/SMT		Reel, Cut Tape, MouseReel
	Real Time Clock 32.768KHz 3.0Volts 5+/-5ppm -40C +85C RX-8025SA:AA3 Epson Timing 1: ¥1,514.8 29In Stock 500Expected 10/21/2026	Mfr. Part # RX-8025SA:AA3 Mouser Part # 732-RX-8025SA:AA3	Epson Timing	Real Time Clock 32.768KHz 3.0Volts 5+/-5ppm -40C +85C Learn More about Epson Timing epson rx 8025sa rtc modules	Datasheet	29In Stock 500Expected 10/21/2026	Cut Tape ¥1,514.8 ¥1,174.3 ¥1,089.6 ¥877 Reel ¥833.8 MouseReel Available	Min.: 1 Mult.: 1 : 250			I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-8025SA	SMD/SMT		Reel, Cut Tape, MouseReel
	Real Time Clock REAL TIME CLOCK 0+/-5PPM (SOP 14 PIN) 1K TR RX-8025SA:AC0 Epson Timing 1: ¥687.7 316In Stock	Mfr. Part # RX-8025SA:AC0 Mouser Part # 732-RX-8025SA:AC0	Epson Timing	Real Time Clock REAL TIME CLOCK 0+/-5PPM (SOP 14 PIN) 1K TR Learn More about Epson Timing epson rx 8025sa rtc modules	Datasheet	316In Stock	Cut Tape ¥687.7 ¥518.2 ¥476.7 ¥430.2 Reel ¥380.4 View ¥408.6 ¥402 ¥370.4 ¥357.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,000			I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-8025SA	SMD/SMT		Reel, Cut Tape, MouseReel
	Real Time Clock RTC 0+/-5PPM 250 T/R Epson Timing RX-8025SA:AC3 PURE SN RX-8025SA:AC3 PURE SN Epson Timing 250: ¥906.9 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # RX-8025SA:AC3 PURE SN Mouser Part # 732-X8025SAAC3PURESN	Epson Timing	Real Time Clock RTC 0+/-5PPM 250 T/R Learn More about Epson Timing epson rx 8025sa rtc modules	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel ¥906.9	Min.: 250 Mult.: 250 : 250												RX-8025SA			Reel