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Real Time Clock

Real Time Clocks (RTCs) are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more. Please view our large selection of real time clocks below.

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Download Table (.CSV)

Part #

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

RX-4803LC:UA3 PURE SN
Epson Timing
250: $17.57
Non-Stocked

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

Mouser Part #
732-X4803LCUA3PURESN

Epson Timing

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

Datasheet

Non-Stocked

Reel

$17.57

$16.42

$15.81

Min.: 250
Mult.: 250

: 250

RX-4803LC

Reel

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

RX-4803LC:UB3 PURE SN
Epson Timing
250: $11.25
Non-Stocked Lead-Time 16 Weeks

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

Mouser Part #
732-X4803LCUB3PURESN

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$11.25

$10.75

$10.22

View

Min.: 250
Mult.: 250

: 250

RX-4803LC

Reel

Real Time Clock RTC +/-5.0PPM -40 85C BULK-CUT TAPE

RX-4803LC:UBB PURE SN
Epson Timing
1: $16.90
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-4803LC:UBB PURE SN

Mouser Part #
732-X4803LCUBBPURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM -40 85C BULK-CUT TAPE

Datasheet

Non-Stocked Lead-Time 16 Weeks

$16.90

$12.79

$12.26

$11.83

View

Min.: 1
Mult.: 1

RX-4803LC

Bulk

Real Time Clock RTC +/-5.0PPM -30 70C 250 T/R

RX-4803LC:UC3 PURE SN
Epson Timing
250: $17.28
Non-Stocked

Mfr. Part #
RX-4803LC:UC3 PURE SN

Mouser Part #
732-X4803LCUC3PURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM -30 70C 250 T/R

Datasheet

Non-Stocked

Reel

$17.28

$16.17

$15.56

Min.: 250
Mult.: 250

: 250

RX-4803LC

Reel

Real Time Clock RTC +/-5.0PPM -30 70C BULK-CUT TAPE

RX-4803LC:UCB PURE SN
Epson Timing
100: $18.16
Non-Stocked

Mfr. Part #
RX-4803LC:UCB PURE SN

Mouser Part #
732-X4803LCUCBPURESN

Epson Timing

Real Time Clock RTC +/-5.0PPM -30 70C BULK-CUT TAPE

Datasheet

Non-Stocked

$18.16

$17.67

$17.05

$16.45

Quote

Min.: 100
Mult.: 1

RX-4803LC

Bulk

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

RX-4803SA:UA3 PURE SN
Epson Timing
250: $12.51
Non-Stocked

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

Reel

$12.51

$11.70

$10.72

Min.: 250
Mult.: 250

: 250

RX-4803SA

Reel

Real Time Clock RTC +/-3.4PPM-40 85C STICK

RX-4803SA:UAB PURE SN
Epson Timing
1: $12.43
Non-Stocked

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

Mouser Part #
732-X4803SAUABPURESN

Epson Timing

Real Time Clock RTC +/-3.4PPM-40 85C STICK

Datasheet

Non-Stocked

$12.43

$8.68

$8.27

$7.66

View

Min.: 1
Mult.: 1

RX-4803SA

Tube

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

RX-4803SA:UB3 PURE SN
Epson Timing
1: $15.08
Non-Stocked Lead-Time 16 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 16 Weeks

Cut Tape

$15.08

$11.67

$10.92

$8.69

Reel

$8.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

RX-4803SA

Reel, Cut Tape, MouseReel

Real Time Clock RX-4803SA:UBX PURE SN RTC +/-5.0PPM-40 85C ANY TR

RX-4803SAUBX PURE SN
Epson Timing
1: $15.07
Non-Stocked

Mfr. Part #
RX-4803SAUBX PURE SN

Mouser Part #
732-X4803SAUBXPURESN

Epson Timing

Real Time Clock RX-4803SA:UBX PURE SN RTC +/-5.0PPM-40 85C ANY TR

Datasheet

Non-Stocked

Cut Tape

$15.07

$11.65

$11.10

$9.64

View

Min.: 1
Mult.: 1

RX-4803SA

Reel

Real Time Clock RTC 0+/-5PPM 250 T/R

RX-8025SA:AC3 PURE SN
Epson Timing
250: $8.68
Non-Stocked Lead-Time 16 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

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$8.68

$8.11

$7.35

$7.32

Min.: 250
Mult.: 250

: 250

RX-8025SA

Reel

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

RX-8035LC:AA3 PURE SN
Epson Timing
250: $9.71
Non-Stocked

Mfr. Part #
RX-8035LC:AA3 PURE SN

Mouser Part #
732-X8035LCAA3PURESN

Epson Timing

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

Datasheet

Non-Stocked

Reel

$9.71

$9.32

$8.94

View

Min.: 250
Mult.: 250

: 250

VSOJ-12

RX-8035LC

Reel

Real Time Clock REAL TIME CLOCK 0+/-5PPM 1K TR

RX-8035LC:AC0 PURE SN
Epson Timing
1,000: $3.93
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-8035LC:AC0 PURE SN

Mouser Part #
732-X8035LCAC0PURESN

Epson Timing

Real Time Clock REAL TIME CLOCK 0+/-5PPM 1K TR

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$3.93

$3.81

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

: 1,000

RX-8035LC

Reel

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

RX-8035LC:AC3 PURE SN
Epson Timing
250: $10.16
Non-Stocked Lead-Time 16 Weeks

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

Mouser Part #
732-X8035LCAC3PURESN

Epson Timing

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

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$10.16

$9.50

$8.62

Quote

Min.: 250
Mult.: 250

: 250

RX-8035LC

Reel

Real Time Clock REAL TIME CLOCK 0+/-5PPM 1K TR

RX-8035SA:AC0 PURE SN
Epson Timing
1,000: $3.02
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX-8035SA:AC0 PURE SN

Mouser Part #
732-X8035SAAC0PURESN

Epson Timing

Real Time Clock REAL TIME CLOCK 0+/-5PPM 1K TR

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$3.02

$2.94

$2.85

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

: 1,000

RX-8035SA

Reel

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

RX-8035SA:AC3 PURE SN
Epson Timing
250: $7.95
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

$7.95

$7.43

$6.73

$6.71

Quote

Min.: 250
Mult.: 250

: 250

RX-8035SA

Reel

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 2K T/R

RX-8803LC:UB6 PURE SN
Epson Timing
2,000: $4.53
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
RX-8803LC:UB6 PURE SN

Mouser Part #
732-X8803LCUB6PURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 2K T/R

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$4.53

Min.: 2,000
Mult.: 2,000

: 2,000

RX-8803LC

Reel

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

RX-8803LC:UC3 PURE SN
Epson Timing
250: $11.21
Non-Stocked Lead-Time 16 Weeks

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

Mouser Part #
732-X8803LCUC3PURESN

Epson Timing

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

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$11.21

$10.68

$10.10

Min.: 250
Mult.: 250

: 250

RX-8803LC

Reel

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN BULK

RX8900SA:UAB PURE SN
Epson Timing
1: $15.48
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX8900SA:UAB PURE SN

Mouser Part #
732-X8900SAUABPURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN BULK

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

$15.48

$13.25

$10.11

$10.07

View

Min.: 1
Mult.: 1

RX8900SA

Bulk

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C SOP-14 PIN BULK

RX8900SA:UBB PURE SN
Epson Timing
1: $9.84
Non-Stocked Lead-Time 20 Weeks

Mfr. Part #
RX8900SA:UBB PURE SN

Mouser Part #
732-X8900SAUBBPURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C SOP-14 PIN BULK

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

$9.84

$7.85

$6.13

$6.10

View

Min.: 1
Mult.: 1

RX8900SA

Bulk

Real Time Clock RTC SON 22PIN 5+/-23PPM ANY TR

RX-4571NB:BX PURE SN
Epson Timing
1: $13.16
Non-Stocked
End of Life

Mfr. Part #
RX-4571NB:BX PURE SN

Mouser Part #
732-RX4571NBBXPURESN

End of Life

Epson Timing

Real Time Clock RTC SON 22PIN 5+/-23PPM ANY TR

Datasheet

Non-Stocked

$13.16

$9.20

$8.77

$7.61

View

Min.: 1
Mult.: 1

RX-4571NB

Bulk

Real Time Clock

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2 B
3 B
4 B
7 B
8 B
10 B
12 B
16 B
20 B
31 B
32 B
56 B
64 B
96 B
113 B
114 B
128 B
160 B
236 B
242 B

DFN-16
DFN-20
DFN2626-10
DFN-8
Die
DIP-16
DIP-8
EDIP-24
EDIP-28
EDIP-32
HWSON-8
LGA-10
MSOP-10
MSOP-8
PCDIP-24
PCDIP-28
PDIP-16
PDIP-24
PDIP-28
PDIP-8

600 mV
750 mV
900 mV
1 V
1.1 V
1.2 V
1.25 V
1.3 V
1.4 V
1.5 V
1.6 V
1.7 V
1.71 V
1.8 V
2 V
2.2 V
2.3 V
2.38 V
2.4 V
2.5 V

1338
1339
1337AGD
AB-RTC-TA-32.768kHz-2
AB-RTC-TC-32.768kHz-2
AB-RTC-TH-32.768kHz-2
AB-RTC-XB-32.768kHz-2
AB-RTC-XL
AB-RTC-XLA
AB-RTC-XP-32.768kHz-2
AB-RTC-XPA-32.768kHz-2
AB-RTCMC
AB08x5
AB18x5
Artasie I2C
Artasie I2C w/ Power Management
Artasie SPI
Artasie SPI w/ Power Management
BQ32000
BQ32002