Real Time Clock – Mouser Korea, Republic of

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RX-8571SA/LC Real-Time Clock Modules

Epson Timing RX-8571SA/LC Real-Time Clock Modules offer a 1.6V to 5.5V operating voltage range and 220nA typical backup current. RX-8571SA/LA modules feature a built-in frequency adjusted 32.7kHz crystal unit, I²C-Bus interface, and 128-bit user RAM. These modules have numerous functions, including timers, alarms, and full calendar. Epson Timing RX-8571SA/LC Real-Time Clock Modules operate in the -40°C to +85°C temperature range.

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Part #

Real Time Clock 5+/-23PPM RTC 250TR

RX-8571LC:B3 PURE SN
Epson Timing
1: ₩11,341.2
844In Stock

Mfr. Part #
RX-8571LC:B3 PURE SN

Mouser Part #
732-RX-8571LCB3

Epson Timing

Real Time Clock 5+/-23PPM RTC 250TR

Learn More

Datasheet

844In Stock

Cut Tape

₩11,341.2

₩8,751.6

₩7,862.4

₩7,285.2

Reel

₩6,661.2

View

Min.: 1
Mult.: 1

: 250

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

VSOJ-12

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-8571LC

SMD/SMT

Reel, Cut Tape

Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK

RX-8571LCB0 PURE SN
Epson Timing
1: ₩5,600.4
544In Stock

Mfr. Part #
RX-8571LCB0 PURE SN

Mouser Part #
732-RX8571LCB0PURESN

Epson Timing

Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK

Learn More

Datasheet

544In Stock

Cut Tape

₩5,600.4

₩4,227.6

₩3,884.4

₩3,494.4

Reel

₩2,761.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-8571LC

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 3.0Volt -40 to 85C I2C BUS

RX-8035SA:B3 PURE SN
Epson Timing
1: ₩11,232
216In Stock
250Expected 12/15/2026

Mfr. Part #
RX-8035SA:B3 PURE SN

Mouser Part #
732-RX-8035SA:B3

Epson Timing

Real Time Clock 3.0Volt -40 to 85C I2C BUS

Datasheet

216In Stock

250Expected 12/15/2026

Cut Tape

₩11,232

₩8,626.8

₩7,971.6

₩7,269.6

Reel

₩6,910.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOP-14

Backup Switching

2.4 V

5.5 V

- 40 C

+ 85 C

RX-8035SA

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR

RX-8803SA:UB3 PURE SN
Epson Timing
1: ₩7,144.8
1In Stock
1,000Expected 8/17/2026

Mfr. Part #
RX-8803SA:UB3 PURE SN

Mouser Part #
732-RX-8803SAUB3

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR

Datasheet

1In Stock

1,000Expected 8/17/2026

Cut Tape

₩7,144.8

₩5,382

₩4,945.2

₩4,461.6

Reel

₩4,383.6

View

Min.: 1
Mult.: 1

: 250

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOP-14

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-8803SA

SMD/SMT

Reel, Cut Tape

Real Time Clock 5+/-23PPM REAL TIME CLOCK 1K TR

RX-8571SA:B0 PURE SN
Epson Timing
1: ₩4,867.2
212In Stock

Mfr. Part #
RX-8571SA:B0 PURE SN

Mouser Part #
732-RX8571SAB0PURESN

Epson Timing

Real Time Clock 5+/-23PPM REAL TIME CLOCK 1K TR

Learn More

Datasheet

212In Stock

Cut Tape

₩4,867.2

₩3,744

₩3,447.6

₩3,135.6

Reel

₩2,730

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-8571SA

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 3.0Volt -40 to 85C I2C BUS

RX-8035SA:AA3
Epson Timing
1: ₩6,255.6
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8035SA:AA3

Mouser Part #
732-RX-8035SA:AA3

Epson Timing

Real Time Clock 3.0Volt -40 to 85C I2C BUS

Datasheet

Non-Stocked Lead-Time 20 Weeks

Cut Tape

₩6,255.6

₩4,664.4

₩4,274.4

₩4,056

Reel

₩3,432

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

I2C

SOP-14

2.4 V

5.5 V

- 40 C

+ 85 C

RX-8035SA

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock i2C Bus -40C +85C 5 +/-23ppm 14 PIN

RX-8571SA:B3 PURE SN
Epson Timing
1: ₩10,498.8
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-8571SA:B3 PURE SN

Mouser Part #
732-RX-8571SA:B3S

Epson Timing

Real Time Clock i2C Bus -40C +85C 5 +/-23ppm 14 PIN

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

₩10,498.8

₩8,065.2

₩7,456.8

₩6,786

Reel

₩6,380.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

SOP-14

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-8571SA

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock RX-8571NB:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 1K TR

RX-8571NBB0 PURE SN
Epson Timing
1,000: ₩2,808
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-8571NBB0 PURE SN

Mouser Part #
732-RX8571NBB0PURESN

Epson Timing

Real Time Clock RX-8571NB:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 1K TR

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

₩2,808

₩2,714.4

₩2,667.6

Min.: 1,000
Mult.: 1,000

: 1,000

RX-8571LC

Reel

Real Time Clock RX-8803LC:UC0 PURE SN I2C-BUS RTC +/-5.0PPM-30 70C 1K T/R

RX-8803LCUC0 PURE SN
Epson Timing
1,000: ₩4,898.4
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-8803LCUC0 PURE SN

Mouser Part #
732-RX8803LCUC0PUREN

Epson Timing

Real Time Clock RX-8803LC:UC0 PURE SN I2C-BUS RTC +/-5.0PPM-30 70C 1K T/R

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

₩4,898.4

₩4,570.8

Min.: 1,000
Mult.: 1,000

: 1,000

RX-8571SA

Reel

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 250 T/R

RX-8803SA:UA3 PURE SN
Epson Timing
250: ₩11,715.6
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8803SA:UA3 PURE SN

Mouser Part #
732-X8803SAUA3PURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 250 T/R

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

₩11,715.6

₩11,512.8

₩11,403.6

Quote

Min.: 250
Mult.: 250

: 250

RX-8803SA

Reel

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R

RX-8803SA:UC3 PURE SN
Epson Timing
250: ₩8,065.2
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8803SA:UC3 PURE SN

Mouser Part #
732-X8803SAUC3PURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

₩8,065.2

₩7,971.6

₩7,893.6

Quote

Min.: 250
Mult.: 250

: 250

RX-8803SA

Reel

Real Time Clock 5+/-23PPM RTC BULK - CUT TAPE

RX-8571LC:B PURE SN
Epson Timing
1: ₩9,718.8
Non-Stocked Lead-Time 26 Weeks

Mfr. Part #
RX-8571LC:B PURE SN

Mouser Part #
732-RX8571LC:BPURESN

Epson Timing

Real Time Clock 5+/-23PPM RTC BULK - CUT TAPE

Learn More

Datasheet

Non-Stocked Lead-Time 26 Weeks

₩9,718.8

₩8,907.6

₩7,488

Min.: 1
Mult.: 1

RX-8571LC

Bulk

Real Time Clock RTC +/-3.4PPM-40 85C 250 T/R

RX-4803SA:UA3 PURE SN
Epson Timing
250: ₩12,542.4
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
RX-4803SA:UA3 PURE SN

Mouser Part #
732-X4803SAUA3PURESN

Epson Timing

Real Time Clock RTC +/-3.4PPM-40 85C 250 T/R

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

₩12,542.4

₩12,121.2

₩11,980.8

Quote

Min.: 250
Mult.: 250

: 250

RX-4803SA

Reel

Real Time Clock RTC +/-5.0PPM-40 85C 250 T/R

RX-4803SA:UB3 PURE SN
Epson Timing
250: ₩8,080.8
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-4803SA:UB3 PURE SN

Mouser Part #
732-X4803SAUB3PURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM-40 85C 250 T/R

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

₩8,080.8

₩8,002.8

₩7,909.2

Quote

Min.: 250
Mult.: 250

: 250

RX-4803SA

Reel

Real Time Clock REAL TIME CLOCK 0+/-5PPM 250TR

RX-8035SA:AC3 PURE SN
Epson Timing
250: ₩7,597.2
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8035SA:AC3 PURE SN

Mouser Part #
732-X8035SAAC3PURESN

Epson Timing

Real Time Clock REAL TIME CLOCK 0+/-5PPM 250TR

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

₩7,597.2

₩7,394.4

₩6,879.6

₩6,864

Quote

Min.: 250
Mult.: 250

: 250

RX-8035SA

Reel

RX-8571SA/LC Real-Time Clock Modules

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