Part Numbering System Real Time Clocks RX-8581SA B 0 : Tape & Reel Qty Base Model No./ Pkg Frequency Tolerance RX-4581NB B=5+/-23ppm SOP Package Type Only RX-4581NB SON 22pin RTC-9701JE B=5+/-23ppm RTC-9701JE VSOJ 20pin 0: 1000 pcs. per reel RTC-4701JE B=5+/-23ppm RTC-4701JE VSOJ 20pin 3: 250 pcs. per reel RTC-4701NB SON 22pin RTC-4701NB B=5+/-23ppm DIP Package Type Only RTC-4574JE VSOJ 20pin RTC-4574JE B=5+/-23ppm RTC-4574SA SOP 14pin RTC-4574SA B=5+/-23ppm S: 25pcs/Stick RTC-4574NB SON 22pin RTC-4574NB B=5+/-23ppm RTC-4553 SOP 14pin RTC-4553 A=5+/-10ppm, AA=5+/-5ppm, RTC-4543SA SOP 14pin B=5+/-20ppm RTC-4543SB SOP 18pin RTC-4543SA A=5+/-12ppm, B=5+/-23ppm RTC-4543SB A=5+/-12ppm, B=5+/-23ppm RX-4591CF SON 10pin RX-4702CF SON 10pin RX-4591CF B=5+/-23ppm RTC-8564JE VSOJ 20pin RX-4702CF B=5+/-23ppm RTC-8564NB SON 22pin RTC-8564JE B=5+/-23ppm RX-8581SA SOP 14pin RTC-8564NB B=5+/-23ppm RX-8581JE VSOJ 20pin RX-8581SA B=5+/-23ppm RX-8581NB SON 22pin RX-8581JE B=5+/-23ppm RX-8564CF SON 10pin RX-8581NB B=5+/-23ppm RX-8025SA SOP 14pin RX-8564CF B=5+/-23ppm RX-8025NB SON 22pin RX-8025SA AA=5+/-5ppm RTC-7301SF SSOP 24pin RX-8025NB AA=5+/-5ppm RTC-7301DG DIP 18pin RTC-7301SF B=5+/-23ppm RTC-62421 DIP 18pin RTC-7301DG B=5+/-23ppm RTC-62423 SOP 24pin RTC-62421 A=+/-10ppm, B=+/-50 RTC-72421 DIP 18pin RTC-62423 A=+/-20ppm, B=+/-50 RTC-72423 SOP 24pin RTC-72421 A=+/-10ppm, B=+/-50 RTC-72423 A=+/-20ppm, B=+/-50 6/17/2003X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Epson manufacturer: Other Similar products are found below : MA-505 24.0000M-C3 ROHS MC-405 32.7680K-G3: ROHS S5U13L02P00C100 SG5032CAN 10.000000M-TJGA3 SG-531P 7.3728MC:ROHS X1G0044810005 SG7050CAN 10 MHZ SG531P IC Socket for 2520 case S5U1C31W74T1300 S5U1C17W04T2100 IC Socket for 7050 case S5U1C17W36T2100 MC-306 32.7680K-E ROHS MA-505 24.0000M-C0:ROHS S5U13513P00C100 S5U13781R01C100 SG-210STF 13.5600ML3 SG-210STF 2.0480ML3 Q3851CA000055 XG-1000CA 50 MHZ EG-2121CA 644.53125MLGPA SG-636PCE 25.0000MC3:ROHS MA-506 4.0000M-C3 ROHS EG-2121CA2000000M-LGPAL3 S5U13U00P00C100 S5U13513R00C100 S5U13517P00C200 FA-238 16.0000MB50X-A3 S5U13748P00C100 S5U1C17W18T2100 IC Socket for 5032 case SG-210STF 8.0000ML Q325310110003 SG-531P 10 MHZ C MA-506 25.0000M- C3:ROHS M160 S5U1C17M13T2100 S5U1C17M13T1100 SG-210STF 7.3728ML3 FC-12M 32.7680KA-AC0 M150 S5U1C17W15T2100 XG- 2121CA 156.2500M-PGSNB SG-210STF 32.7680ML SG-636PTF 20.0000MC3: ROHS SG-210STF 27.0000ML0 SG-8002JC MP BLANK:ROHS SG5032CCN 14.745600M-HJGA3 SG-615P 2.0000MC: ROHS Q13FC13F00001 FC-13F 32.768KHZ 12.5PF MA-306 18.4320M-C0:ROHS EG- 2121CA 156.2500M-LHPAB