Seiko Instruments part numbers

Seiko Instruments semiconductors (S-xxxx voltage detectors, LDOs, EEPROM) became ABLIC in 2016.

Seiko Instruments is now ABLIC (2016). We quote Seiko Instruments parts — current, obsolete and end-of-life — and parts that carry older Seiko Instruments markings. See also all ABLIC part numbers.

5,528 Seiko Instruments heritage part numbers

Part-number families from Seiko Instruments, listed under their current manufacturer.

Part numberManufacturerTypePackageKey specs
S-8521E30MC-BLPT2U ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~10V
S-8521E33MC-BLST2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~10V
S-8521F25MC-BPKT2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F30MC-BPPT2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F32MC-BPRT2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F33MC-BPST2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F34MC-BPTT2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F34MC-BPTT2U ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F36MC-BPVT2U ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F38MC-BPXT2U ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F40MC-BPZT2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F40MC-BPZT2U ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F50MC-BQJT2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8521F55MC-BQOT2G ABLIC DC-DC Converters SOT-23-5 300kHz2.5V~16V
S-8533A125FT-TB-U ABLIC DC-DC Converters TSSOP-8 300kHz1.25V
S-8533A15AFT-TB-G ABLIC DC-DC Converters TSSOP-8 300kHz1.5V
S-8533A18AFT-TB-G ABLIC DC-DC Converters TSSOP-8 300kHz1.8V
S-8533A25AFT-TB-G ABLIC DC-DC Converters TSSOP-8 300kHz2.5V
S-8533A30AFT-TB-G ABLIC DC-DC Converters TSSOP-8 300kHz3V
S-8533A45AFT-TB-U ABLIC DC-DC Converters TSSOP-8 300kHz4.5V
S-8533A48AFT-TB-G ABLIC DC-DC Converters TSSOP-8 300kHz4.8V
S-8533A49AFT-TB-G ABLIC DC-DC Converters TSSOP-8 300kHz4.9V
S-8533A49AFT-TB-U ABLIC DC-DC Converters TSSOP-8 300kHz4.9V
S-8533A60AFT-TB-G ABLIC DC-DC Converters TSSOP-8 300kHz6V
S-8533A60AFT-TB-U ABLIC DC-DC Converters TSSOP-8 300kHz6V
S-8540A33FN-IAST2G ABLIC DC-DC Converters MSOP-8 600kHz3.3V
S-8540B00FN-IMAT2G ABLIC DC-DC Converters MSOP-8 600kHz1.5V~6V
S-8540C25FN-ICKT2G ABLIC DC-DC Converters MSOP-8 300kHz2.5V
S-8540C33FN-ICST2G ABLIC DC-DC Converters MSOP-8 300kHz3.3V
S-8541C25FN-IIKT2G ABLIC DC-DC Converters MSOP-8 300kHz2.5V
S-8550AA-I8T1G ABLIC DC-DC Converters SNT-8A 1.2MHz600mA
S-8550AA-M5T1U ABLIC DC-DC Converters SOT-23-5 1.2MHz600mA
S-8551AA-M5T1U ABLIC DC-DC Converters SOT-23-5 1.02MHz~1.38MHz600mA
S-8580AA-A8T1U7 ABLIC DC-DC Converters 2.2MHz4V~36V
S-8580AA-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 2.2MHz4V~36V
S-8580AB-A6T8U7 ABLIC DC-DC Converters 2.2MHz4V~36V
S-8580AB-A8T1U7 ABLIC DC-DC Converters 2.2MHz4V~36V
S-8580AB-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 2.2MHz4V~36V
S-8580AC-A6T8U7 ABLIC DC-DC Converters 400kHz4V~36V
S-8580AC-A8T1U7 ABLIC DC-DC Converters 400kHz4V~36V
S-8580AC-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 400kHz4V~36V
S-8580AD-A6T8U7 ABLIC DC-DC Converters 400kHz4V~36V
S-8580AD-A8T1U7 ABLIC DC-DC Converters 400kHz4V~36V
S-8580AD-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 400kHz4V~36V
S-8581AA-A6T8U7 ABLIC DC-DC Converters 2.2MHz4V~36V
S-8581AA-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 2.2MHz4V~36V
S-8581AB-A6T8U7 ABLIC DC-DC Converters 2.2MHz4V~36V
S-8581AB-A8T1U7 ABLIC DC-DC Converters 2.2MHz4V~36V
S-8581AB-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 2.2MHz4V~36V
S-8581AC-A6T8U7 ABLIC DC-DC Converters 400kHz4V~36V
S-8581AC-A8T1U7 ABLIC DC-DC Converters 400kHz4V~36V
S-8581AC-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 400kHz4V~36V
S-8581AD-A6T8U7 ABLIC DC-DC Converters 400kHz4V~36V
S-8581AD-A8T1U7 ABLIC DC-DC Converters 400kHz4V~36V
S-8581AD-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 400kHz4V~36V
S-8590AA-A6T8U7 ABLIC DC-DC Converters 2.2MHz4V~18V
S-8590AA-A8T1U7 ABLIC DC-DC Converters 2.2MHz4V~18V
S-8590AA-S8T1U7 ABLIC DC-DC Converters HTMSOP-8 2.2MHz4V~18V
S-8590AB-A6T8U7 ABLIC DC-DC Converters 2.2MHz4V~18V
S-8590AB-A8T1U7 ABLIC DC-DC Converters 2.2MHz4V~18V

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Frequently asked questions

Is Seiko Instruments still in business?

Seiko Instruments semiconductors (S-xxxx voltage detectors, LDOs, EEPROM) became ABLIC in 2016.

Can I still buy Seiko Instruments parts?

Yes. PartnerSemi quotes Seiko Instruments part numbers, including obsolete and end-of-life parts and parts with old Seiko Instruments markings. Send the part number and quantity; we reply with price, lead time, date code and origin. We are an independent distributor, not an authorized Seiko Instruments or ABLIC distributor.

PartnerSemi is not affiliated with Seiko Instruments or ABLIC. Brand names are used to identify parts only.