Real Time Clock – Mouser United Kingdom

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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: £5.56
844In Stock

Mfr. Part No.
RX-8571LC:B3 PURE SN

Mouser Part No
732-RX-8571LCB3

Epson Timing

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

Learn More

Datasheet

844In Stock

Cut Tape

£5.56

£4.29

£3.76

£3.50

Reel

£3.20

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 3.0Volt -40 to 85C I2C BUS

RX-8035SA:B3 PURE SN
Epson Timing
1: £5.50
250In Stock

Mfr. Part No.
RX-8035SA:B3 PURE SN

Mouser Part No
732-RX-8035SA:B3

Epson Timing

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

Datasheet

250In Stock

Cut Tape

£5.50

£4.24

£3.93

£3.57

Reel

£3.40

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: £4.37
501In Stock
1,500Expected 30/09/2026

Mfr. Part No.
RX-8803SA:UB3 PURE SN

Mouser Part No
732-RX-8803SAUB3

Epson Timing

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

Datasheet

501In Stock

1,500Expected 30/09/2026

Cut Tape

£4.37

£2.88

£2.50

£2.05

Reel

£1.82

£1.71

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

RX-8571LCB0 PURE SN
Epson Timing
1: £2.70
548In Stock

Mfr. Part No.
RX-8571LCB0 PURE SN

Mouser Part No
732-RX8571LCB0PURESN

Epson Timing

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

Learn More

Datasheet

548In Stock

Cut Tape

£2.70

£2.44

£2.23

£1.98

Reel

£1.39

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

RX-8571SA:B0 PURE SN
Epson Timing
1: £3.20
380In Stock

Mfr. Part No.
RX-8571SA:B0 PURE SN

Mouser Part No
732-RX8571SAB0PURESN

Epson Timing

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

Learn More

Datasheet

380In Stock

Cut Tape

£3.20

£2.17

£1.89

£1.53

View

Reel

£1.20

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: £4.28
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
RX-8035SA:AA3

Mouser Part No
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

£4.28

£2.83

£2.58

£2.30

Reel

£1.95

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: £5.16
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-8571SA:B3 PURE SN

Mouser Part No
732-RX-8571SA:B3S

Epson Timing

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

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

Cut Tape

£5.16

£3.97

£3.68

£3.35

Reel

£3.19

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

RX-8803SA:UA3 PURE SN
Epson Timing
250: £5.76
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
RX-8803SA:UA3 PURE SN

Mouser Part No
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

£5.76

£5.48

£5.19

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: £4.25
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
RX-8803SA:UC3 PURE SN

Mouser Part No
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

£4.25

£3.97

£3.60

£3.58

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: £5.55
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-8571LC:B PURE SN

Mouser Part No
732-RX8571LC:BPURESN

Epson Timing

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

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

£5.55

£4.64

£3.60

£3.40

View

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: £6.15
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4803SA:UA3 PURE SN

Mouser Part No
732-X4803SAUA3PURESN

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

£6.15

£5.76

£5.28

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
1: £7.43
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
RX-4803SA:UB3 PURE SN

Mouser Part No
732-X4803SAUB3PURESN

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 17 Weeks

Cut Tape

£7.43

£5.74

£5.38

£4.28

Reel

£4.20

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

RX-4803SA

Reel, Cut Tape, MouseReel

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

RX-8035SA:AC3 PURE SN
Epson Timing
250: £3.91
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
RX-8035SA:AC3 PURE SN

Mouser Part No
732-X8035SAAC3PURESN

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

£3.91

£3.66

£3.31

£3.30

Min.: 250
Mult.: 250

: 250

RX-8035SA

Reel

RX-8571SA/LC Real-Time Clock Modules

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