Real Time Clock – Mouser Mexico

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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: $9.45
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

$9.45

$7.29

$6.55

$6.07

Reel

$5.55

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: $4.67
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

$4.67

$3.52

$3.24

$2.91

Reel

$2.30

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: $9.36
216In Stock

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

Cut Tape

$9.36

$7.19

$6.64

$6.06

Reel

$5.76

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: $5.95
501In Stock
1,500Expected 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

501In Stock

1,500Expected 8/17/2026

Cut Tape

$5.95

$4.49

$4.12

$3.72

Reel

$3.65

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: $4.06
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

$4.06

$3.12

$2.87

$2.61

Reel

$2.28

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: $5.21
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

$5.21

$3.89

$3.56

$3.38

Reel

$2.86

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: $8.75
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

$8.75

$6.72

$6.21

$5.66

Reel

$5.32

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: $2.34
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

$2.34

$2.26

$2.22

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: $4.08
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

$4.08

$3.81

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: $9.76
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

$9.76

$9.59

$9.50

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: $6.72
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

$6.72

$6.64

$6.58

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: $8.10
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

$8.10

$7.42

$6.24

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: $10.45
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

$10.45

$10.10

$9.98

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: $6.73
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

$6.73

$6.67

$6.59

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: $6.33
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

$6.33

$6.16

$5.73

$5.72

Quote

Min.: 250
Mult.: 250

: 250

RX-8035SA

Reel

RX-8571SA/LC Real-Time Clock Modules

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