# \#cel

**URL:** https://forum.digikey.com/tag/cel/2490.md

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## [단종된 RF 스위치 UPG2009TB-E3-A의 대체 가능품](https://forum.digikey.com/t/rf-upg2009tb-e3-a/32547)

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**Author:** [@Brian\_Lee](https://forum.digikey.com/u/Brian_Lee)\
**Replies:** 0\
**Last updated:** [July 4, 2023, 7:12am UTC](https://forum.digikey.com/t/rf-upg2009tb-e3-a/32547 "2023-07-04T07:12:07Z")

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UPG2009TB-E3-A는 다음 사양을 가지는 RF 스위치로, 대체 가능품 찾기에 해당 사양을 사용하였습니다. 사양 명칭 값 RF 유형 Bluetooth, WLAN 회로 SPDT 주파수 범위 500MHz-2.5GHz 분리도 25dB 패키지/케이스 6-TSSOP, SC-88, SOT-363 위의 거의 모든 사양과 일치하는 AS214-92LF를 찾을 수 있었…

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## [Obsolete RF Switch UPG2009TB-E3-A Cross](https://forum.digikey.com/t/obsolete-rf-switch-upg2009tb-e3-a-cross/11952)

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**Author:** [@Kaleb\_Kohlhase](https://forum.digikey.com/u/Kaleb_Kohlhase)\
**Replies:** 0\
**Last updated:** [February 8, 2021, 4:45pm UTC](https://forum.digikey.com/t/obsolete-rf-switch-upg2009tb-e3-a-cross/11952 "2021-02-08T16:45:04Z")

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UPG2009TB-E3-A is an RF switch with the following specifications I used for finding a cross-reference: Specification Name Value RF Type Bluetooth, WLAN Circuit SPDT Frequency Range 500MHz-2.5GHz Isolation 2…

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## [CEL and Renesas opto-coupler part numbers](https://forum.digikey.com/t/cel-and-renesas-opto-coupler-part-numbers/8522)

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**Author:** [@Steve\_Fellman](https://forum.digikey.com/u/Steve_Fellman)\
**Replies:** 0\
**Last updated:** [September 4, 2020, 10:00pm UTC](https://forum.digikey.com/t/cel-and-renesas-opto-coupler-part-numbers/8522 "2020-09-04T22:00:23Z")

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We get inquiries about CEL opto-coupler part numbers that show Renesas as the manufacturer, why? The reason for this is CEL has been the exclusive reseller of Renesas Opto-Couplers in the Americas and are currently …

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## [CEL Serializers Part Numbering - "-B" Suffix](https://forum.digikey.com/t/cel-serializers-part-numbering-b-suffix/1830)

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**Author:** [@Barley\_Li](https://forum.digikey.com/u/Barley_Li)\
**Replies:** 0\
**Last updated:** [September 19, 2018, 1:42am UTC](https://forum.digikey.com/t/cel-serializers-part-numbering-b-suffix/1830 "2018-09-19T01:42:52Z")

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Most CEL serializer part numbers have an additional suffix letter, “-B”, that is not included in the ordering information shown on the datasheet ( such as THCV233-B ). This ending calls out the parts’ packaging type - Tr…