Real Time Clock
RV-8263-C7-32.768KHZ-20PPM-TA-QC
Micro Crystal
1:
$2.00
22,988 Expected 2026/11/20
Mouser Part No 428-8263C7328K20PTQC
Micro Crystal
Real Time Clock
22,988 Expected 2026/11/20
1
$2.00
10
$1.45
25
$1.33
100
$1.17
1,000
$1.05
2,000
View
250
$1.10
500
$1.07
2,000
$1.00
5,000
$0.98
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX8111CE:A0 REAL TIME CLOCK I2C-BUS 3.0V 11.5PPM 1K TR
Epson Timing RX8111CE A0
RX8111CE A0
Epson Timing
1:
$2.04
592 In Stock
Mouser Part No 732-RX8111CEA0
Epson Timing
Real Time Clock RX8111CE:A0 REAL TIME CLOCK I2C-BUS 3.0V 11.5PPM 1K TR
592 In Stock
1
$2.04
10
$1.50
25
$1.36
100
$1.22
1,000
$1.07
2,000
View
250
$1.14
500
$1.10
2,000
$1.02
5,000
$1.00
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RTC
SMD/SMT
Reel, Cut Tape
Real Time Clock RX8111CE:B0 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 1K TR
Epson Timing RX8111CE B0
RX8111CE B0
Epson Timing
1:
$1.70
851 In Stock
1,000 Expected 2027/02/03
Mouser Part No 732-RX8111CEB0
Epson Timing
Real Time Clock RX8111CE:B0 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 1K TR
851 In Stock
1,000 Expected 2027/02/03
1
$1.70
10
$1.24
25
$1.13
100
$0.997
1,000
$0.859
2,000
View
250
$0.935
500
$0.884
2,000
$0.818
5,000
$0.795
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RTC
SMD/SMT
Reel, Cut Tape
Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN
AM1805AQ
Ambiq
1:
$0.794
29,500 On Order
Mouser Part No 222-AM1805AQ
Ambiq
Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN
29,500 On Order
View Dates
On Order:
14,500 Expected 2026/09/14
15,000 Expected 2027/01/08
Factory Lead Time:
24 Weeks
Buy
Min.: 1 Mult.: 1
Details
Artasie I2C w/ Power Management
Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C
RV-4162-C7-32.768kHz-20PPM-TA-QC
Micro Crystal
1:
$3.34
16,002 Expected 2026/09/04
Mouser Part No 428-200007-MG01
Micro Crystal
Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C
16,002 Expected 2026/09/04
1
$3.34
10
$2.49
25
$2.26
100
$2.04
1,000
$1.79
2,000
View
250
$1.92
500
$1.86
2,000
$1.77
5,000
$1.72
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
No Backup Switching
1 V
4.4 V
- 40 C
+ 85 C
RV-4162-C7
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
RV-8803-C7-32.768KHZ-3PPM-TA-QC
Micro Crystal
1:
$3.72
92,793 On Order
Mouser Part No 428-202677-MG01
Micro Crystal
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
92,793 On Order
View Dates
On Order:
48,793 Pending
44,000 Expected 2027/04/30
Factory Lead Time:
27 Weeks
1
$3.72
10
$2.85
25
$2.64
100
$2.36
250
View
1,000
$2.08
250
$2.23
500
$2.20
1,000
$2.08
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
No Backup Switching
1.5 V
5.5 V
- 40 C
+ 85 C
RV-8803-C7
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
RV-8803-C7-32.768k-3PPM-TA-QA
Micro Crystal
1:
$3.93
20,000 On Order
Mouser Part No 428-203035-MG01
Micro Crystal
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
20,000 On Order
1
$3.93
10
$2.94
25
$2.69
100
$2.41
1,000
$2.13
2,000
View
250
$2.29
500
$2.23
2,000
$2.06
5,000
$2.02
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
No Backup Switching
1.5 V
5.5 V
- 40 C
+ 85 C
RV-8803-C7
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 1ppm
RV-3028-C7 32.768kHz 1ppm TA QC
Micro Crystal
1:
$3.09
205,000 On Order
Mouser Part No 428-203591-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C Time Acc. 1ppm
205,000 On Order
View Dates
On Order:
101,000 Expected 2027/04/23
104,000 Expected 2027/05/21
Factory Lead Time:
34 Weeks
1
$3.09
10
$2.29
25
$2.08
100
$1.87
250
View
1,000
$1.72
250
$1.76
500
$1.73
1,000
$1.72
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
Backup Switching
1.2 V
5.5 V
- 40 C
+ 85 C
RV-3028
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 2.0-5.5V 512 (64x8)
M41T81SM6F
STMicroelectronics
1:
$2.83
18,995 On Order
Mouser Part No 511-M41T81SM6F
STMicroelectronics
Real Time Clock 2.0-5.5V 512 (64x8)
18,995 On Order
View Dates
Alternative Packaging
On Order:
3,995 Expected 2026/09/10
7,500 Expected 2026/10/09
7,500 Expected 2027/07/19
Factory Lead Time:
30 Weeks
1
$2.83
10
$2.14
25
$1.98
100
$1.80
250
View
2,500
$1.54
250
$1.71
500
$1.67
1,000
$1.63
2,500
$1.54
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
20 B
SOIC-8
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
M41T81S
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Battery Swtchovr-RTC
+1 image
M41T83RQA6F
STMicroelectronics
1:
$4.44
20,800 On Order
Mouser Part No 511-M41T83RQA6F
STMicroelectronics
Real Time Clock Battery Swtchovr-RTC
20,800 On Order
View Dates
On Order:
1,800 Expected 2026/12/28
8,000 Expected 2027/01/11
11,000 Expected 2027/08/30
Factory Lead Time:
30 Weeks
1
$4.44
10
$3.36
25
$3.09
100
$2.80
250
View
1,000
$2.50
250
$2.66
500
$2.61
1,000
$2.50
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
32 B
QFN-16
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
M41T83
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8)
M41T94MQ6F
STMicroelectronics
1:
$5.47
7,972 On Order
Mouser Part No 511-M41T94MQ6F
STMicroelectronics
Real Time Clock Serial 512 (64x8)
7,972 On Order
View Dates
On Order:
2,972 Expected 2026/09/04
5,000 Expected 2027/04/28
Factory Lead Time:
30 Weeks
1
$5.47
10
$4.06
25
$3.74
100
$3.40
250
View
2,500
$2.99
250
$3.23
500
$3.13
1,000
$3.09
2,500
$2.99
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
SO-16
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
M41T94
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock SAMAY A 595-BQ32002D A 595-BQ32002D A 59 A 595-BQ32002D
BQ32002DR
Texas Instruments
1:
$2.02
14,995 On Order
Mouser Part No 595-BQ32002DR
Texas Instruments
Real Time Clock SAMAY A 595-BQ32002D A 595-BQ32002D A 59 A 595-BQ32002D
14,995 On Order
View Dates
Alternative Packaging
On Order:
7,495 Expected 2026/11/12
7,500 Expected 2026/12/03
Factory Lead Time:
16 Weeks
1
$2.02
10
$1.48
25
$1.35
100
$1.20
2,500
$1.01
5,000
View
250
$1.13
500
$1.09
1,000
$1.08
5,000
$0.991
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
SOIC-8
Backup Switching
3 V
3.6 V
- 40 C
+ 85 C
BQ32002
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX4901CE XB D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR
RX4901CE XB D06
Epson Timing
1:
$4.51
238 In Stock
Mouser Part No 732-RX4901CEXBD06
Epson Timing
Real Time Clock RX4901CE XB D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR
238 In Stock
1
$4.51
10
$3.41
25
$3.13
100
$2.83
2,000
$2.36
4,000
View
250
$2.69
500
$2.65
1,000
$2.56
4,000
$2.34
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
256 B
Backup Switching
1.6 V
5.5 V
- 40 C
+ 105 C
RX4901CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 1K TR
+2 images
RX-8803LC:UB0 PURE SN
Epson Timing
1:
$5.63
98 In Stock
Mouser Part No 732-X8803LCUB0PURESN
Epson Timing
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 1K TR
98 In Stock
Alternative Packaging
1
$5.63
10
$4.29
25
$3.97
100
$3.59
1,000
$3.11
2,000
View
250
$3.42
500
$3.34
2,000
$3.06
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX-8803LC
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package.
PCA2131TF/Q900Y
NXP Semiconductors
1:
$4.36
7,750 Expected 2026/09/28
Mouser Part No 771-PCA2131TF/Q900Y
NXP Semiconductors
Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package.
7,750 Expected 2026/09/28
1
$4.36
10
$3.33
25
$3.07
100
$2.78
250
View
4,000
$2.38
250
$2.64
500
$2.62
1,000
$2.47
2,000
$2.40
4,000
$2.38
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PCA2131
AEC-Q100
Reel, Cut Tape
Real Time Clock 32.768 KHZ 3-OUTPUT
AB0805-T3
ABRACON
1:
$3.31
11,897 Expected 2026/12/28
Mouser Part No 815-AB0805-T3
ABRACON
Real Time Clock 32.768 KHZ 3-OUTPUT
11,897 Expected 2026/12/28
1
$3.31
10
$2.47
25
$2.26
100
$2.04
250
View
3,000
$1.59
250
$1.91
500
$1.87
1,000
$1.78
3,000
$1.59
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
256 B
QFN-16
Backup Switching
1.7 V
3.6 V
- 40 C
+ 85 C
AB08x5
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLOCK AND TMP COMP CRYSTL INLD
ISL12020MIRZ
Renesas / Intersil
1:
$8.06
4,240 Expected 2027/03/11
Mouser Part No 968-ISL12020MIRZ
Renesas / Intersil
Real Time Clock REAL TIME CLOCK AND TMP COMP CRYSTL INLD
4,240 Expected 2027/03/11
Alternative Packaging
1
$8.06
10
$6.13
25
$5.51
106
$5.19
265
View
265
$4.88
530
$4.83
1,007
$4.70
2,544
$4.58
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 B
DFN-20
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
ISL12020
SMD/SMT
Tube
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
ISL12022IBZ
Renesas / Intersil
1:
$5.33
6,860 On Order
Mouser Part No 968-ISL12022IBZ
Renesas / Intersil
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
6,860 On Order
View Dates
Alternative Packaging
On Order:
3,920 Expected 2026/12/29
2,940 Expected 2027/01/08
Factory Lead Time:
22 Weeks
1
$5.33
10
$4.05
25
$3.74
100
$3.40
250
View
250
$3.23
500
$3.09
980
$3.04
2,940
$2.98
5,880
Quote
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 B
SOIC-8
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
ISL12022
SMD/SMT
Tube
Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)
RV-3029-C3-TA-QC-Opt. B
Micro Crystal
1:
$4.99
2,394 Expected 2026/09/10
Mouser Part No 428-RV3029C3TAQCOPTB
Micro Crystal
Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)
2,394 Expected 2026/09/10
1
$4.99
10
$3.76
25
$3.45
100
$3.12
250
$3.08
1,000
$2.61
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 85 C
RV-3029-C3
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ
AB-RTCMC-32.768kHz-EOZ9-S3-DBT
ABRACON
1:
$8.40
2,061 On Order
Mouser Part No 815-ABMC-327EOZ9S3DB
ABRACON
Real Time Clock 32.768 KHZ
2,061 On Order
View Dates
On Order:
61 Expected 2026/09/11
2,000 Expected 2026/09/22
Factory Lead Time:
12 Weeks
1
$8.40
10
$6.50
25
$6.02
100
$5.51
250
View
1,000
$4.97
250
$5.26
500
$5.11
1,000
$4.97
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
1.4 V
5.5 V
- 40 C
+ 85 C
AB-RTCMC
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC
R2051S02-E2-F
Nisshinbo
1:
$1.73
2,000 Expected 2026/09/09
Mouser Part No 848-R2051S02E2F
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
2,000 Expected 2026/09/09
1
$1.73
10
$1.26
25
$1.15
100
$1.06
2,000
$0.833
4,000
View
1,000
$0.835
4,000
$0.827
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SSOP-16
Backup Switching
750 mV
5.5 V
- 40 C
+ 85 C
R2051S
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN
AM0805AQ
Ambiq
1:
$0.715
2,869 Expected 2026/09/29
Mouser Part No 222-AM0805AQ
Ambiq
Real Time Clock Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN
2,869 Expected 2026/09/29
Buy
Min.: 1 Mult.: 1
Details
Artasie I2C
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7 AEC-Q200
RV-8263-C8 32.768kHz-20PPM-TA-QA
Micro Crystal
1:
$1.99
4,000 Expected 2026/10/30
Mouser Part No 428-204291-MC01
Micro Crystal
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7 AEC-Q200
4,000 Expected 2026/10/30
1
$1.99
10
$1.45
25
$1.31
100
$1.16
1,000
$1.05
2,000
View
250
$1.09
500
$1.05
2,000
$1.01
5,000
$0.999
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SON-8
900 mV
5.5 V
- 40 C
+ 85 C
RV-8263-C8
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock
RV-8263-C7-32.768KHZ-20PPM-TA-QA
Micro Crystal
1:
$2.08
2,000 Expected 2026/11/20
Mouser Part No 428-8263C7328K20PTQA
Micro Crystal
Real Time Clock
2,000 Expected 2026/11/20
1
$2.08
10
$1.54
25
$1.38
100
$1.22
250
View
250
$1.14
500
$1.11
1,000
$1.10
2,000
$1.02
5,000
$0.993
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
SMD/SMT
Real Time Clock Serial Access Real Time Clock
M41T81SMY6F
STMicroelectronics
1:
$9.94
2,000 On Order
Mouser Part No 511-M41T81SMY6F
STMicroelectronics
Real Time Clock Serial Access Real Time Clock
2,000 On Order
1
$9.94
10
$7.73
25
$7.18
100
$6.57
1,000
$5.95
2,000
View
250
$6.25
500
$6.11
2,000
$5.63
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
20 B
SOX-18
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
M41T81S
SMD/SMT
Reel, Cut Tape, MouseReel
