Real Time Clock RX4901CE XB C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR
RX4901CE XB C06
Epson Timing
1:
¥747.5
28 In Stock
Mouser Part # 732-RX4901CEXBC06
Epson Timing
Real Time Clock RX4901CE XB C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR
28 In Stock
1
¥747.5
10
¥563.1
25
¥518.2
100
¥468.4
2,000
¥403.6
4,000
View
250
¥443.5
500
¥440.2
1,000
¥413.6
4,000
¥393.7
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 REAL TIME CLOCK 3.0V 5+/-23PPM 250TR
360°
+3 images
RX6110SA:B3 PURE SN
Epson Timing
1:
¥840.5
410 In Stock
Mouser Part # 732-RX6110SAB3PURESN
Epson Timing
Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 250TR
410 In Stock
Alternative Packaging
1
¥840.5
10
¥639.5
25
¥589.7
100
¥559.8
250
¥533.2
500
View
500
¥476.7
1,000
¥470.1
2,500
¥458.4
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial, I2C, SPI
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX6110SA
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX8111CE:A3 REAL TIME CLOCK I2C-BUS 3.0V 11.5PPM 250TR
RX8111CE A3
Epson Timing
1:
¥671
490 In Stock
Mouser Part # 732-RX8111CEA3
Epson Timing
Real Time Clock RX8111CE:A3 REAL TIME CLOCK I2C-BUS 3.0V 11.5PPM 250TR
490 In Stock
1
¥671
10
¥521.6
25
¥478.4
100
¥431.9
250
¥410.3
500
View
500
¥390.3
1,000
¥360.4
2,500
¥352.1
5,000
¥348.8
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX8111CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz 5ppm I2C-Bus
RX8130CE B3
Epson Timing
1:
¥468.4
97 In Stock
4,500 On Order
Mouser Part # 732-RX8130CEB3
Epson Timing
Real Time Clock 32.768kHz 5ppm I2C-Bus
97 In Stock
4,500 On Order
View Dates
Alternative Packaging
On Order:
1,750 Expected 9/4/2026
2,750 Expected 11/23/2026
Factory Lead-Time:
20 Weeks
1
¥468.4
10
¥348.8
25
¥320.6
100
¥287.4
250
¥274.1
500
View
500
¥260.8
1,000
¥250.8
2,500
¥242.5
5,000
¥240.8
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
1.25 V
5.5 V
- 40 C
+ 85 C
RX8130CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX8130CE:B6 REAL TIME CLOCK +/-23PPM 2K TR
RX8130CE B6
Epson Timing
1:
¥230.9
25 In Stock
94,000 On Order
Mouser Part # 732-RX8130CEB6
Epson Timing
Real Time Clock RX8130CE:B6 REAL TIME CLOCK +/-23PPM 2K TR
25 In Stock
94,000 On Order
View Dates
On Order:
82,000 Expected 8/21/2026
12,000 Expected 8/28/2026
Factory Lead-Time:
20 Weeks
1
¥230.9
10
¥166.1
25
¥150.3
100
¥132.9
2,000
¥109.3
4,000
View
250
¥124.4
500
¥119.4
1,000
¥116.6
4,000
¥108.1
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
1.25 V
5.5 V
- 40 C
+ 85 C
RX8130CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 5+/-23PPM REAL TIME CLOCK 1K TR
360°
+4 images
RX-8571SA:B0 PURE SN
Epson Timing
1:
¥518.2
212 In Stock
Mouser Part # 732-RX8571SAB0PURESN
Epson Timing
Real Time Clock 5+/-23PPM REAL TIME CLOCK 1K TR
212 In Stock
Alternative Packaging
1
¥518.2
10
¥398.6
25
¥367.1
100
¥333.9
1,000
¥290.7
2,000
View
250
¥317.3
500
¥305.6
2,000
¥282.4
5,000
¥279
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
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 1.6-5.5V
RX8804CE:XA3
Epson Timing
1:
¥1,754
7 In Stock
250 Expected 10/19/2026
Mouser Part # 732-RX8804CE:XA3
Epson Timing
Real Time Clock 1.6-5.5V
7 In Stock
250 Expected 10/19/2026
1
¥1,754
10
¥1,365.3
25
¥1,220.8
100
¥1,202.6
250
¥1,021.5
2,500
Quote
2,500
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 105 C
RX8804CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz +/-5ppm -40C +85C
RX8900CE:UB3
Epson Timing
1:
¥950.1
172 In Stock
Mouser Part # 732-RX8900CE:UB3
Epson Timing
Real Time Clock 32.768kHz +/-5ppm -40C +85C
172 In Stock
Alternative Packaging
1
¥950.1
10
¥725.9
25
¥669.4
100
¥559.8
250
¥511.6
1,000
View
1,000
¥508.3
2,500
¥501.6
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
RX8900CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus
360°
+3 images
RX8900SA UB0 PURE SN
Epson Timing
1:
¥506.6
555 In Stock
Mouser Part # 732-RX8900SAUB0SN
Epson Timing
Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus
555 In Stock
1
¥506.6
10
¥378.7
25
¥345.5
100
¥310.6
1,000
¥265.8
2,000
View
250
¥294
500
¥292.3
2,000
¥259.1
5,000
¥252.5
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
RX8900SA
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus
360°
+4 images
RX8900SA UB3 PURE SN
Epson Timing
1:
¥1,016.5
117 In Stock
Mouser Part # 732-RX8900SAUB3SN
Epson Timing
Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus
117 In Stock
1
¥1,016.5
10
¥779
25
¥720.9
100
¥656.1
250
¥622.9
500
View
500
¥588
1,000
¥578
2,500
¥564.7
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
RX8900SA
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:
¥935.1
98 In Stock
Mouser Part # 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
¥935.1
10
¥712.6
25
¥657.8
100
¥596.3
1,000
¥516.6
2,000
View
250
¥568.1
500
¥554.8
2,000
¥508.3
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 I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN BULK
360°
+3 images
RX8900SA:UCB PURE SN
Epson Timing
1:
¥993.3
99 In Stock
Mouser Part # 732-X8900SAUCBPURESN
Epson Timing
Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN BULK
99 In Stock
1
¥993.3
10
¥760.7
25
¥702.6
100
¥651.1
250
View
250
¥624.5
500
¥607.9
1,000
¥604.6
2,500
¥593
5,000
Quote
Buy
Min.: 1 Mult.: 1
RX8900SA
Bulk
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
RV-8803-C7-32.768KHZ-3PPM-TA-QC
Micro Crystal
1:
¥450.1
51,323 Expected 8/14/2026
Mouser Part # 428-202677-MG01
Micro Crystal
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
51,323 Expected 8/14/2026
1
¥450.1
10
¥335.5
25
¥307.3
100
¥275.7
1,000
¥240.8
2,000
View
250
¥260.8
500
¥254.1
2,000
¥234.2
5,000
¥229.2
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 QA
Micro Crystal
1:
¥418.6
31,455 On Order
Mouser Part # 428-203603-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C Time Acc. 1ppm
31,455 On Order
View Dates
On Order:
13,455 Expected 8/7/2026
18,000 Expected 8/21/2026
Factory Lead-Time:
11 Weeks
1
¥418.6
10
¥312.3
25
¥284
100
¥255.8
1,000
¥230.9
2,000
View
250
¥240.8
500
¥235.9
2,000
¥225.9
5,000
¥220.9
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
RV-8263-C7-32.768KHZ-20PPM-TA-QC
Micro Crystal
1:
¥257.5
22,988 Expected 11/20/2026
Mouser Part # 428-8263C7328K20PTQC
Micro Crystal
Real Time Clock
22,988 Expected 11/20/2026
1
¥257.5
10
¥187.7
25
¥171.1
100
¥151.2
1,000
¥136.4
2,000
View
250
¥142
500
¥138.2
2,000
¥129.9
5,000
¥127.4
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:B0 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 1K TR
Epson Timing RX8111CE B0
RX8111CE B0
Epson Timing
1:
¥282.4
976 In Stock
Mouser Part # 732-RX8111CEB0
Epson Timing
Real Time Clock RX8111CE:B0 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 1K TR
976 In Stock
1
¥282.4
10
¥206
25
¥187.7
100
¥165.4
1,000
¥142.7
2,000
View
250
¥155.3
500
¥146.8
2,000
¥135.7
5,000
¥132
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:
¥127.9
30,000 On Order
Mouser Part # 222-AM1805AQ
Ambiq
Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN
30,000 On Order
View Dates
On Order:
9,000 Expected 9/11/2026
6,000 Expected 9/14/2026
15,000 Expected 12/7/2026
Factory Lead-Time:
22 Weeks
Buy
Min.: 1 Mult.: 1
Details
Artasie I2C w/ Power Management
Real Time Clock 2.0-5.5V 512 (64x8)
M41T81SM6F
STMicroelectronics
1:
¥486.7
19,995 On Order
Mouser Part # 511-M41T81SM6F
STMicroelectronics
Real Time Clock 2.0-5.5V 512 (64x8)
19,995 On Order
View Dates
Alternative Packaging
On Order:
12,495 Expected 9/3/2026
7,500 Expected 7/19/2027
Factory Lead-Time:
30 Weeks
1
¥486.7
10
¥363.8
25
¥332.2
100
¥299
250
View
2,500
¥255.8
250
¥282.4
500
¥272.4
2,500
¥255.8
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:
¥732.5
11,800 On Order
Mouser Part # 511-M41T83RQA6F
STMicroelectronics
Real Time Clock Battery Swtchovr-RTC
11,800 On Order
View Dates
On Order:
3,800 Expected 12/28/2026
8,000 Expected 1/11/2027
Factory Lead-Time:
30 Weeks
1
¥732.5
10
¥553.1
25
¥508.3
100
¥458.4
250
View
1,000
¥390.3
250
¥435.2
500
¥431.9
1,000
¥390.3
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:
¥906.9
8,972 On Order
Mouser Part # 511-M41T94MQ6F
STMicroelectronics
Real Time Clock Serial 512 (64x8)
8,972 On Order
View Dates
On Order:
3,972 Expected 9/2/2026
5,000 Expected 4/28/2027
Factory Lead-Time:
30 Weeks
1
¥906.9
10
¥682.7
25
¥626.2
100
¥563.1
250
View
2,500
¥514.9
250
¥536.5
500
¥521.6
1,000
¥514.9
2,500
¥514.9
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 64k NV SRAM with Phantom Clock
DS1243Y-120+
Analog Devices / Maxim Integrated
1:
¥7,810
1,005 In Stock
756 Expected 9/3/2026
Mouser Part # 700-DS1243Y-120
Analog Devices / Maxim Integrated
Real Time Clock 64k NV SRAM with Phantom Clock
1,005 In Stock
756 Expected 9/3/2026
1
¥7,810
12
¥7,168.9
24
¥6,760.3
108
¥6,615.8
252
View
252
¥6,524.4
5,004
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
8 kB
EDIP-28
Integrated Battery
4.5 V
5.5 V
0 C
+ 70 C
DS1243Y
Through Hole
Tube
Real Time Clock 4096k NV SRAM with Phantom Clock
DS1251WP-120IND+
Analog Devices / Maxim Integrated
1:
¥14,180
320 Expected 9/7/2026
Mouser Part # 700-DS1251WP-120IND
Analog Devices / Maxim Integrated
Real Time Clock 4096k NV SRAM with Phantom Clock
320 Expected 9/7/2026
1
¥14,180
10
¥11,809.7
25
¥11,161.9
120
¥10,696.8
280
View
280
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
512 kB
PowerCap Module-34
2.97 V
3.63 V
- 40 C
+ 85 C
DS1251WP
SMD/SMT
Tray
Real Time Clock Total-Elapsed-Time Recorder with Alarm
+2 images
DS1682S+T&R
Analog Devices / Maxim Integrated
1:
¥1,486.6
19,471 On Order
Mouser Part # 700-DS1682ST&R
Analog Devices / Maxim Integrated
Real Time Clock Total-Elapsed-Time Recorder with Alarm
19,471 On Order
View Dates
Alternative Packaging
On Order:
6,971 Expected 8/10/2026
12,500 Expected 10/19/2026
Factory Lead-Time:
17 Weeks
1
¥1,486.6
10
¥1,152.7
25
¥1,068
100
¥976.7
250
View
2,500
¥853.8
250
¥933.5
500
¥915.2
1,000
¥900.3
2,500
¥853.8
Buy
Min.: 1 Mult.: 1
Max.: 2,500
Reel :2,500
Details
Serial 2-Wire
Binary
Binary
10 B
SOIC-8
No Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
DS1682
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
DS1747-70+
Analog Devices / Maxim Integrated
1:
¥13,311.3
520 Expected 8/31/2026
Mouser Part # 700-DS1747-70
Analog Devices / Maxim Integrated
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
520 Expected 8/31/2026
1
¥13,311.3
10
¥11,075.5
30
¥10,422.8
100
¥9,871.3
250
View
250
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
512 kB
EDIP-32
Integrated Battery
4.5 V
5.5 V
0 C
+ 70 C
DS1747
Through Hole
Tube
Real Time Clock 5ppm, I2C Real-Time Clock
DS3231MZ+
Analog Devices / Maxim Integrated
1:
¥2,292.2
3,996 Expected 2/10/2027
Mouser Part # 700-DS3231MZ+
Analog Devices / Maxim Integrated
Real Time Clock 5ppm, I2C Real-Time Clock
3,996 Expected 2/10/2027
Alternative Packaging
1
¥2,292.2
10
¥1,800.5
25
¥1,677.6
100
¥1,539.7
Buy
Min.: 1 Mult.: 1
Max.: 100
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
SOIC-8
Backup Switching
2.3 V
5.5 V
- 40 C
+ 85 C
DS3231MZ
SMD/SMT
Tube
Japan