|
|
Real Time Clock 64K (8Kx8) 100ns
- M48T08Y-10MH1F
- STMicroelectronics
-
1:
₡21 406,74
-
997In Stock
|
Mouser Part #
511-M48T08Y-10MH1F
|
STMicroelectronics
|
Real Time Clock 64K (8Kx8) 100ns
|
|
997In Stock
|
|
|
₡21 406,74
|
|
|
₡17 331,50
|
|
|
₡16 311,39
|
|
|
₡15 639,99
|
|
|
View
|
|
|
₡14 120,23
|
|
|
₡14 656,31
|
|
|
₡14 130,64
|
|
|
₡14 120,23
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
:
936
|
|
|
Parallel
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
64 kB
|
SOX-28
|
Backup Switching
|
4.5 V
|
5.5 V
|
0 C
|
+ 70 C
|
M48T08Y
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock 64K (8Kx8) 150ns
- M48T18-150PC1
- STMicroelectronics
-
1:
₡26 267,89
-
418In Stock
|
Mouser Part #
511-M48T1815PC1
|
STMicroelectronics
|
Real Time Clock 64K (8Kx8) 150ns
|
|
418In Stock
|
|
|
₡26 267,89
|
|
|
₡21 469,20
|
|
|
₡20 266,92
|
|
|
₡17 904,01
|
|
|
View
|
|
|
₡17 638,57
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
Parallel
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
8 kB
|
PCDIP-28
|
Integrated Battery
|
4.5 V
|
5.5 V
|
0 C
|
+ 70 C
|
M48T18
|
Through Hole
|
Tube
|
|
|
|
Real Time Clock 256K (32Kx8) 70ns
- M48T35-70PC1
- STMicroelectronics
-
1:
₡28 391,39
-
392In Stock
|
Mouser Part #
511-M48T3570PC1
|
STMicroelectronics
|
Real Time Clock 256K (32Kx8) 70ns
|
|
392In Stock
|
|
|
₡28 391,39
|
|
|
₡20 683,29
|
|
|
₡19 715,23
|
|
|
₡18 840,85
|
|
Min.: 1
Mult.: 1
|
|
|
Parallel
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
32 kB
|
PCDIP-28
|
Integrated Battery
|
4.75 V
|
5.5 V
|
0 C
|
+ 70 C
|
M48T35
|
Through Hole
|
Tube
|
|
|
|
Real Time Clock 256K (32Kx8) 70ns
- M48T35Y-70MH1F
- STMicroelectronics
-
1:
₡12 538,01
-
1 073In Stock
|
Mouser Part #
511-M48T35Y-70MH1F
|
STMicroelectronics
|
Real Time Clock 256K (32Kx8) 70ns
|
|
1 073In Stock
|
|
|
₡12 538,01
|
|
|
₡10 024,16
|
|
|
₡9 394,40
|
|
|
₡8 707,39
|
|
|
View
|
|
|
₡7 874,64
|
|
|
₡8 374,29
|
|
|
₡7 879,85
|
|
|
₡7 874,64
|
|
Min.: 1
Mult.: 1
:
936
|
|
|
Parallel
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
256 kB
|
SOX-28
|
Backup Switching
|
4.5 V
|
5.5 V
|
0 C
|
+ 70 C
|
M48T35Y
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial I2C bus RTC
- M41T83ZMY6F
- STMicroelectronics
-
1:
₡3 856,65
-
795In Stock
|
Mouser Part #
511-M41T83ZMY6F
|
STMicroelectronics
|
Real Time Clock Serial I2C bus RTC
|
|
795In Stock
|
|
|
₡3 856,65
|
|
|
₡2 971,86
|
|
|
₡2 753,26
|
|
|
₡2 508,64
|
|
|
₡2 321,28
|
|
|
₡1 988,18
|
|
Min.: 1
Mult.: 1
:
1 000
|
|
|
Serial
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
32 B
|
|
Backup Switching
|
2.38 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T83
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Low-Pwr serial RTC W/ battry switchover
- M41T01M6F
- STMicroelectronics
-
1:
₡1 936,13
-
2 355In Stock
|
Mouser Part #
511-M41T01M6F
|
STMicroelectronics
|
Real Time Clock Low-Pwr serial RTC W/ battry switchover
|
|
2 355In Stock
|
|
|
₡1 936,13
|
|
|
₡1 457,30
|
|
|
₡1 311,57
|
|
|
₡1 207,48
|
|
|
View
|
|
|
₡1 014,91
|
|
|
₡1 145,02
|
|
|
₡1 113,80
|
|
|
₡1 108,59
|
|
|
₡1 014,91
|
|
Min.: 1
Mult.: 1
:
2 500
|
|
|
Serial 2-Wire, I2C
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
8 B
|
SOIC-8
|
Backup Switching
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T01
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 160 (20x8)
- M41T80M6F
- STMicroelectronics
-
1:
₡3 018,70
-
2 510In Stock
|
Mouser Part #
511-M41T80M6F
|
STMicroelectronics
|
Real Time Clock Serial 160 (20x8)
|
|
2 510In Stock
|
|
|
₡3 018,70
|
|
|
₡2 300,46
|
|
|
₡2 118,29
|
|
|
₡1 920,52
|
|
|
View
|
|
|
₡1 727,95
|
|
|
₡1 826,83
|
|
|
₡1 769,58
|
|
|
₡1 743,56
|
|
|
₡1 727,95
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
:
2 500
|
|
|
Serial 2-Wire, I2C
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
20 B
|
SOIC-8
|
No Backup Switching
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T80
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial SPI bus RTC
- M41T93ZQA6F
- STMicroelectronics
-
1:
₡4 142,90
-
1 071In Stock
|
Mouser Part #
511-M41T93ZQA6F
|
STMicroelectronics
|
Real Time Clock Serial SPI bus RTC
|
|
1 071In Stock
|
|
|
₡4 142,90
|
|
|
₡3 190,45
|
|
|
₡2 956,24
|
|
|
₡2 696,01
|
|
|
₡2 326,48
|
|
|
View
|
|
|
₡2 498,23
|
|
|
₡2 300,46
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
:
1 000
|
|
|
Serial
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
32 B
|
|
Backup Switching
|
2.38 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T93
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock 256K (32Kx8) 100ns
- M48T37V-10MH1F
- STMicroelectronics
-
1:
₡13 063,68
-
360In Stock
|
Mouser Part #
511-M48T37V-10MH1F
|
STMicroelectronics
|
Real Time Clock 256K (32Kx8) 100ns
|
|
360In Stock
|
|
|
₡13 063,68
|
|
|
₡10 440,54
|
|
|
₡9 789,95
|
|
|
₡9 071,71
|
|
|
View
|
|
|
₡8 327,45
|
|
|
₡8 728,20
|
|
|
₡8 520,02
|
|
|
₡8 327,45
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
:
936
|
|
|
Parallel
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
256 kB
|
SOIC-44
|
Backup Switching
|
3 V
|
3.6 V
|
0 C
|
+ 70 C
|
M48T37V
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial SPI bus RTC
- M41T93SQA6F
- STMicroelectronics
-
1:
₡4 215,77
-
176In Stock
|
Mouser Part #
511-M41T93SQA6F
|
STMicroelectronics
|
Real Time Clock Serial SPI bus RTC
|
|
176In Stock
|
|
|
₡4 215,77
|
|
|
₡3 247,70
|
|
|
₡3 008,29
|
|
|
₡2 742,85
|
|
|
₡2 539,87
|
|
|
₡2 175,55
|
|
Min.: 1
Mult.: 1
:
1 000
|
|
|
SPI
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
32 B
|
QFN-16
|
Backup Switching
|
3 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T93
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock 2.0 to 5.5V 64 (8X8)
- M41T00SM6F
- STMicroelectronics
-
1:
₡2 217,18
-
6 361In Stock
-
5 000Expected 11/25/2026
|
Mouser Part #
511-M41T00SM6F
|
STMicroelectronics
|
Real Time Clock 2.0 to 5.5V 64 (8X8)
|
|
6 361In Stock
5 000Expected 11/25/2026
|
|
|
₡2 217,18
|
|
|
₡1 670,69
|
|
|
₡1 535,37
|
|
|
₡1 384,44
|
|
|
View
|
|
|
₡1 108,59
|
|
|
₡1 316,78
|
|
|
₡1 311,57
|
|
|
₡1 108,59
|
|
Min.: 1
Mult.: 1
:
2 500
|
|
|
Serial
|
YYYY-MM-DD
|
HH:MM:SS (24 hr)
|
8 B
|
SOIC-8
|
Backup Switching
|
2.7 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T00S
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 64 (8X8)
- M41T0M6F
- STMicroelectronics
-
1:
₡2 446,19
-
6 241In Stock
-
5 000Expected 8/10/2026
|
Mouser Part #
511-M41T0M6F
|
STMicroelectronics
|
Real Time Clock Serial 64 (8X8)
|
|
6 241In Stock
5 000Expected 8/10/2026
|
|
|
₡2 446,19
|
|
|
₡1 842,45
|
|
|
₡1 691,51
|
|
|
₡1 530,17
|
|
|
View
|
|
|
₡1 321,98
|
|
|
₡1 452,10
|
|
|
₡1 441,69
|
|
|
₡1 353,21
|
|
|
₡1 321,98
|
|
Min.: 1
Mult.: 1
:
2 500
|
|
|
Serial 2-Wire, I2C
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
8 B
|
SOIC-8
|
No Backup Switching
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T0
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial I2C bus RTC
- M41T82ZM6F
- STMicroelectronics
-
1:
₡1 868,47
-
10 488In Stock
|
Mouser Part #
511-M41T82ZM6F
|
STMicroelectronics
|
Real Time Clock Serial I2C bus RTC
|
|
10 488In Stock
|
|
|
₡1 868,47
|
|
|
₡1 394,85
|
|
|
₡1 275,14
|
|
|
₡1 145,02
|
|
|
₡1 082,57
|
|
|
₡916,02
|
|
Min.: 1
Mult.: 1
:
2 500
|
|
|
Serial
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
32 B
|
SOIC-8
|
Backup Switching
|
2.38 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T82
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial SPI bus RTC
- M41T93RMY6F
- STMicroelectronics
-
1:
₡5 553,37
-
7 926In Stock
|
Mouser Part #
511-M41T93RMY6F
|
STMicroelectronics
|
Real Time Clock Serial SPI bus RTC
|
|
7 926In Stock
|
|
|
₡5 553,37
|
|
|
₡4 335,48
|
|
|
₡4 033,61
|
|
|
₡3 700,51
|
|
|
View
|
|
|
₡3 357,00
|
|
|
₡3 539,16
|
|
|
₡3 502,73
|
|
|
₡3 357,00
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
:
1 000
|
|
|
SPI
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
32 B
|
SOX-18
|
Backup Switching
|
2.7 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T93
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock 16K (2Kx8) 150ns
- M48T02-150PC1
- STMicroelectronics
-
1:
₡15 770,10
-
714In Stock
|
Mouser Part #
511-M48T0215PC1
|
STMicroelectronics
|
Real Time Clock 16K (2Kx8) 150ns
|
|
714In Stock
|
|
|
₡15 770,10
|
|
|
₡12 454,74
|
|
|
₡11 616,79
|
|
|
₡10 929,77
|
|
|
View
|
|
|
₡10 804,86
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
Parallel
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
2 kB
|
PCDIP-24
|
Integrated Battery
|
4.75 V
|
5.5 V
|
0 C
|
+ 70 C
|
M48T02
|
Through Hole
|
Tube
|
|
|
|
Real Time Clock 64K (8Kx8) 100ns
- M48T08-100PC1
- STMicroelectronics
-
1:
₡18 918,92
-
1 542In Stock
|
Mouser Part #
511-M48T0810PC1
|
STMicroelectronics
|
Real Time Clock 64K (8Kx8) 100ns
|
|
1 542In Stock
|
|
|
₡18 918,92
|
|
|
₡15 317,30
|
|
|
₡14 416,89
|
|
|
₡13 818,36
|
|
|
₡12 954,38
|
|
Min.: 1
Mult.: 1
|
|
|
Parallel
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
8 kB
|
PCDIP-28
|
Integrated Battery
|
4.75 V
|
5.5 V
|
0 C
|
+ 70 C
|
M48T08
|
Through Hole
|
Tube
|
|
|
|
Real Time Clock 64K (8Kx8) 70ns
- M48T58Y-70MH1F
- STMicroelectronics
-
1:
₡12 173,69
-
1 040In Stock
|
Mouser Part #
511-M48T58Y-70MH1F
|
STMicroelectronics
|
Real Time Clock 64K (8Kx8) 70ns
|
|
1 040In Stock
|
|
|
₡12 173,69
|
|
|
₡9 732,70
|
|
|
₡9 123,76
|
|
|
₡8 452,36
|
|
|
View
|
|
|
₡7 937,10
|
|
|
₡8 129,67
|
|
|
₡7 937,10
|
|
|
₡7 937,10
|
|
Min.: 1
Mult.: 1
:
936
|
|
|
Parallel
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
64 kB
|
SOX-28
|
Backup Switching
|
4.5 V
|
5.5 V
|
0 C
|
+ 70 C
|
M48T58Y
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 512 (64x8)
- M41ST85WMH6F
- STMicroelectronics
-
1:
₡5 464,89
-
847In Stock
|
Mouser Part #
511-M41ST85WMH6F
|
STMicroelectronics
|
Real Time Clock Serial 512 (64x8)
|
|
847In Stock
|
|
|
₡5 464,89
|
|
|
₡4 252,20
|
|
|
₡3 945,13
|
|
|
₡3 612,03
|
|
|
₡3 278,93
|
|
|
View
|
|
|
₡3 429,87
|
|
|
₡3 357,00
|
|
|
₡3 096,77
|
|
Min.: 1
Mult.: 1
:
936
|
|
|
Serial
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
64 B
|
SOH-28
|
Backup Switching
|
2.7 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
M41ST85W
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 512 (64x8)
- M41ST85WMX6TR
- STMicroelectronics
-
1:
₡5 532,55
-
1 331In Stock
|
Mouser Part #
511-M41ST85WMX6TR
|
STMicroelectronics
|
Real Time Clock Serial 512 (64x8)
|
|
1 331In Stock
|
|
|
₡5 532,55
|
|
|
₡4 319,86
|
|
|
₡4 017,99
|
|
|
₡3 684,90
|
|
|
₡3 627,64
|
|
|
₡3 081,16
|
|
Min.: 1
Mult.: 1
:
1 000
|
|
|
Serial
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
64 B
|
SOX-28
|
Backup Switching
|
2.7 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
M41ST85W
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 1280 (160x8)
- M41ST87WMX6TR
- STMicroelectronics
-
1:
₡5 615,82
-
653In Stock
-
1 000Expected 8/10/2026
|
Mouser Part #
511-M41ST87WMX6TR
|
STMicroelectronics
|
Real Time Clock Serial 1280 (160x8)
|
|
653In Stock
1 000Expected 8/10/2026
|
|
|
₡5 615,82
|
|
|
₡4 382,32
|
|
|
₡4 075,24
|
|
|
₡3 736,94
|
|
|
₡3 690,10
|
|
|
₡3 128,00
|
|
Min.: 1
Mult.: 1
:
1 000
|
|
|
Serial
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
160 B
|
SOX-28
|
Backup Switching
|
2.7 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
M41ST87W
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc
- M41ST87WSS6F
- STMicroelectronics
-
1:
₡4 017,99
-
415In Stock
|
Mouser Part #
511-M41ST87WSS6F
|
STMicroelectronics
|
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc
|
|
415In Stock
|
|
|
₡4 017,99
|
|
|
₡3 096,77
|
|
|
₡2 867,76
|
|
|
₡2 617,94
|
|
|
₡2 264,02
|
|
|
View
|
|
|
₡2 425,37
|
|
|
₡2 420,16
|
|
|
₡2 175,55
|
|
Min.: 1
Mult.: 1
:
1 350
|
|
|
Serial 2-Wire, I2C
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
160 B
|
SSOP-20
|
Backup Switching
|
2.7 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
M41ST87W
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 64 (8X8)
- M41T00M6F
- STMicroelectronics
-
1:
₡2 180,75
-
5 423In Stock
|
Mouser Part #
511-M41T00M6F
|
STMicroelectronics
|
Real Time Clock Serial 64 (8X8)
|
|
5 423In Stock
|
|
|
₡2 180,75
|
|
|
₡1 644,67
|
|
|
₡1 509,35
|
|
|
₡1 363,62
|
|
|
₡1 301,16
|
|
|
₡1 217,89
|
|
Min.: 1
Mult.: 1
:
2 500
|
|
|
Serial 2-Wire, I2C
|
YYYY-MM-DD
|
HH:MM:SS (24 hr)
|
8 B
|
SOIC-8
|
Backup Switching
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T00
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 512 (64x8)
- M41T11M6F
- STMicroelectronics
-
1:
₡1 899,70
-
3 437In Stock
|
Mouser Part #
511-M41T11M6F
|
STMicroelectronics
|
Real Time Clock Serial 512 (64x8)
|
|
3 437In Stock
|
|
|
₡1 899,70
|
|
|
₡1 415,67
|
|
|
₡1 295,96
|
|
|
₡1 165,84
|
|
|
₡1 103,39
|
|
|
₡931,63
|
|
Min.: 1
Mult.: 1
:
2 500
|
|
|
Serial
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
64 B
|
SOIC-8
|
Backup Switching
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T11
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 512 (64x8)
- M41T11MH6F
- STMicroelectronics
-
1:
₡5 298,34
-
713In Stock
-
936Expected 8/18/2026
|
Mouser Part #
511-M41T11MH6F
|
STMicroelectronics
|
Real Time Clock Serial 512 (64x8)
|
|
713In Stock
936Expected 8/18/2026
|
|
|
₡5 298,34
|
|
|
₡4 122,09
|
|
|
₡3 830,63
|
|
|
₡3 502,73
|
|
|
₡3 180,04
|
|
|
View
|
|
|
₡3 325,77
|
|
|
₡3 258,11
|
|
|
₡3 003,09
|
|
Min.: 1
Mult.: 1
:
936
|
|
|
Serial
|
YY-MM-DD-dd
|
HH:MM:SS (24 hr)
|
64 B
|
SOX-28
|
Backup Switching
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T11
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
|
|
Real Time Clock Serial 512 (64x8)
- M41T81M6F
- STMicroelectronics
-
1:
₡1 556,19
-
8 996In Stock
|
Mouser Part #
511-M41T81M6F
|
STMicroelectronics
|
Real Time Clock Serial 512 (64x8)
|
|
8 996In Stock
|
|
|
₡1 556,19
|
|
|
₡1 160,64
|
|
|
₡1 061,75
|
|
|
₡952,45
|
|
|
₡900,41
|
|
|
₡759,88
|
|
Min.: 1
Mult.: 1
:
2 500
|
|
|
I2C
|
YY-MM-DD-dd
|
HH:MM:SS:hh (12 hr, 24 hr)
|
20 B
|
SOIC-8
|
Backup Switching
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
M41T81
|
SMD/SMT
|
Reel, Cut Tape, MouseReel
|
|
Costa Rica