SMD/SMT Reel Real Time Clock

Results: 369
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model RTC Bus Interface Date Format Time Format Package/Case Battery Backup Switching Supply Voltage - Min Supply Voltage - Max Minimum Operating Temperature Maximum Operating Temperature Series Mounting Style Qualification Time Keeping Current Packaging
Epson Timing Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR 1,922In Stock
Cut Tape
$5.93
$4.54
$4.18
$3.80
Reel
$3.20
Min.: 1
Mult.: 1
: 2,000
I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 105 C RX4901CE SMD/SMT Reel, Cut Tape, MouseReel

Epson Timing Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 524In Stock
Cut Tape
$3.61
$2.71
$2.48
$2.22
Reel
$1.81
Min.: 1
Mult.: 1
: 1,000
I2C YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8571LC SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX4901CE XS B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR 1,800In Stock
Cut Tape
$5.85
$4.47
$4.11
$3.73
Reel
$3.20
Min.: 1
Mult.: 1
: 2,000
I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 105 C RX4901CE SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX4901CEXS A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR 1,988In Stock
Cut Tape
$5.85
$4.47
$4.11
$3.73
Reel
$3.22
Min.: 1
Mult.: 1
: 2,000
I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 105 C RX4901CE SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 250TR 413In Stock
Cut Tape
$4.95
$3.77
$3.47
$3.15
Reel
$2.94
Min.: 1
Mult.: 1
: 250
Serial, I2C, SPI YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX6110SA SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus 2,960In Stock
Cut Tape
$3.24
$2.42
$2.21
$1.98
Reel
$1.73
Min.: 1
Mult.: 1
: 3,000
I2C Backup Switching 1.6 V 5.5 V - 40 C + 85 C AB-RTC-TH-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus 2,348In Stock
Cut Tape
$1.90
$1.40
$1.26
$1.12
Reel
$0.994
Min.: 1
Mult.: 1
: 3,000
I2C SOP-8 Backup Switching 1.6 V 5.5 V - 40 C + 85 C AB-RTC-TA-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus 2,049In Stock
Cut Tape
$3.68
$2.77
$2.54
$2.30
Reel
$2.04
Min.: 1
Mult.: 1
: 1,300
I2C Backup Switching 1.6 V 5.5 V - 40 C + 85 C AB-RTC-TC-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In XO Real Time Clock Module with I2C Bus 1,968In Stock
Cut Tape
$2.65
$1.97
$1.80
$1.60
Reel
$1.44
Min.: 1
Mult.: 1
: 3,000
I2C Backup Switching 1.2 V 5.5 V - 40 C + 85 C AB-RTC-XB-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm 4,421In Stock
Cut Tape
$1.90
$1.40
$1.24
$1.10
Reel
$0.994
Min.: 1
Mult.: 1
: 1,000
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

Micro Crystal Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock 18,820In Stock
36,000Expected 2026/11/04
Cut Tape
$4.15
$3.12
$2.86
$2.57
Reel
$2.35
Min.: 1
Mult.: 1
: 1,000
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) Backup Switching 1.3 V 5.5 V - 40 C + 105 C RV-3032-C7 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock 32.768 KHZ IC RTC CLK 3,378In Stock
Cut Tape
$8.48
$6.57
$5.97
$5.52
Reel
$4.97
Min.: 1
Mult.: 1
: 1,000
SPI YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.4 V 5.5 V - 40 C + 125 C AB-RTCMC SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
4,691In Stock
Cut Tape
$6.42
$4.92
$4.55
$4.14
$4.06
Reel
$3.48
Min.: 1
Mult.: 1
Max.: 3,888
: 2,500
Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302ZN SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock
10,847In Stock
Cut Tape
$5.85
$4.47
$4.11
$3.73
$3.66
Reel
$3.12
Min.: 1
Mult.: 1
Max.: 8,759
: 2,500
I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1307Z SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
5,993In Stock
Cut Tape
$6.51
$4.99
$4.61
$4.20
$4.09
Reel
$3.59
Min.: 1
Mult.: 1
Max.: 4,866
: 3,000
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) uSOP-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340U SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
5,088In Stock
Cut Tape
$6.48
$4.97
$4.59
$4.18
Reel
$3.70
Min.: 1
Mult.: 1
Max.: 4,070
: 3,000
Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-10 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1394U SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 5ppm, I C Real-Time Clock with SRAM
5,111In Stock
Cut Tape
$14.04
$11.04
$10.27
$9.46
Reel
$8.28
Min.: 1
Mult.: 1
Max.: 4,091
: 2,500
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SO-8 Backup Switching 2.3 V 4.5 V - 40 C + 85 C DS3232MZ SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate I C RTC with Integrat
9,003In Stock
Cut Tape
$16.19
$12.83
$11.96
$10.97
Reel
$9.99
Min.: 1
Mult.: 1
Max.: 7,197
: 1,000
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SO-20 Backup Switching 2.3 V 5.5 V - 40 C + 85 C DS3232SN SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock Automotive high-spee d CMOS timer with i 4,853In Stock
Cut Tape
$1.08
$0.77
$0.693
$0.611
Reel
$0.528
Min.: 1
Mult.: 1
Max.: 1,001
: 3,000
SOIC-8 No Backup Switching 1.5 V 18 V - 40 C + 125 C TLC3555 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C 15,472In Stock
Cut Tape
$3.34
$2.49
$2.26
$2.04
Reel
$1.78
Min.: 1
Mult.: 1
: 1,000
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
STMicroelectronics Real Time Clock Serial I2C bus RTC 7,928In Stock
Cut Tape
$3.55
$2.67
$2.45
$2.20
Reel
$1.94
Min.: 1
Mult.: 1
: 2,500
Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T82 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial SPI bus RTC 2,229In Stock
4,000Expected 2026/10/13
Cut Tape
$10.68
$8.33
$7.76
$7.11
Reel
$6.45
Min.: 1
Mult.: 1
: 1,000
SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOX-18 Backup Switching 2.7 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock 64K (8Kx8) 70ns 1,040In Stock
Cut Tape
$23.40
$18.71
$17.54
$16.26
Reel
$15.12
Min.: 1
Mult.: 1
: 936
Parallel YY-MM-DD-dd HH:MM:SS (24 hr) SOX-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C M48T58Y SMD/SMT Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. 21,046In Stock
68,000On Order
Cut Tape
$3.66
$2.76
$2.54
$2.28
Reel
$1.88
Min.: 1
Mult.: 1
: 4,000
Serial, I2C, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) Backup Switching 1.2 V 5.5 V - 40 C + 85 C PCF2131 SMD/SMT Reel, Cut Tape, MouseReel

NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package. 50,539In Stock
Cut Tape
$0.90
$0.643
$0.579
$0.509
Reel
$0.416
Min.: 1
Mult.: 1
: 2,500
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 No Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85063A SMD/SMT Reel, Cut Tape, MouseReel