В качестве R2 можно использовать:
1) Vishay P11L
https://eu.mouser.com/Search/ProductDeta...LSY00103KA
http://ru.farnell.com/vishay-sfernice/p1...dp/1893279
2) Vishay P11S
https://eu.mouser.com/Search/ProductDeta...BR07230301
http://ru.farnell.com/vishay-sfernice/p1...dp/1141607
3) Alpha 902
http://www.jaycar.com.au/productView.asp...ATID=968#1
4) Precision Electronic Components KK
http://www.digikey.com/product-search/en...KKU1031S28
5) Bourns 82/86
http://www.digikey.com/product-detail/en...ND/3828860
http://www.digikey.com/product-detail/en...ND/3828861
5) Alpha RV24
https://eu.mouser.com/Search/ProductDeta...y31VW401-F
А также
-TE CONNECTIVITY / CITEC
http://ru.farnell.com/te-connectivity-ci...dp/1227601
- Vishay P9
https://eu.mouser.com/Search/ProductDeta...0FISX1103M
http://ru.farnell.com/vishay-sfernice/p9...dp/8791350
http://ru.farnell.com/vishay-sfernice/p9...dp/1835696
- Vishay 149
http://ru.farnell.com/vishay-spectrol/14...dp/8557322
- Bourns 91
https://eu.mouser.com/Search/ProductDeta...B24-B15B15
- Bourns 53
https://eu.mouser.com/Search/ProductDeta...A15%2fA15L
-BI Technologies / TT Electronics P233
http://eu.mouser.com/Search/ProductDetai...SEC20BR10K
- Bourns 902
https://eu.mouser.com/Search/ProductDeta...-1015FB103
https://eu.mouser.com/Search/ProductDeta...-1220FB103
итд
- Alpha RV122F
https://eu.mouser.com/Search/ProductDeta...-1250F-10K
- BI Technologies / TT Electronics P092
https://eu.mouser.com/Search/ProductDeta...-FC25BR10K
-TE CONNECTIVITY / CITEC 27
http://ru.farnell.com/te-connectivity-ci...dp/1898452
http://ru.farnell.com/te-connectivity-ci...dp/1173890
-TE Connectivity 23
http://www.digikey.com/product-detail/en...ND/2363640
-Piher PC16
https://eu.mouser.com/Search/ProductDeta...PC16DC-10K
https://eu.mouser.com/Search/ProductDeta...C16DHI-10K
1) Vishay P11L
https://eu.mouser.com/Search/ProductDeta...LSY00103KA
http://ru.farnell.com/vishay-sfernice/p1...dp/1893279
2) Vishay P11S
https://eu.mouser.com/Search/ProductDeta...BR07230301
http://ru.farnell.com/vishay-sfernice/p1...dp/1141607
3) Alpha 902
http://www.jaycar.com.au/productView.asp...ATID=968#1
4) Precision Electronic Components KK
http://www.digikey.com/product-search/en...KKU1031S28
5) Bourns 82/86
http://www.digikey.com/product-detail/en...ND/3828860
http://www.digikey.com/product-detail/en...ND/3828861
5) Alpha RV24
https://eu.mouser.com/Search/ProductDeta...y31VW401-F
А также
-TE CONNECTIVITY / CITEC
http://ru.farnell.com/te-connectivity-ci...dp/1227601
- Vishay P9
https://eu.mouser.com/Search/ProductDeta...0FISX1103M
http://ru.farnell.com/vishay-sfernice/p9...dp/8791350
http://ru.farnell.com/vishay-sfernice/p9...dp/1835696
- Vishay 149
http://ru.farnell.com/vishay-spectrol/14...dp/8557322
- Bourns 91
https://eu.mouser.com/Search/ProductDeta...B24-B15B15
- Bourns 53
https://eu.mouser.com/Search/ProductDeta...A15%2fA15L
-BI Technologies / TT Electronics P233
http://eu.mouser.com/Search/ProductDetai...SEC20BR10K
- Bourns 902
https://eu.mouser.com/Search/ProductDeta...-1015FB103
https://eu.mouser.com/Search/ProductDeta...-1220FB103
итд
- Alpha RV122F
https://eu.mouser.com/Search/ProductDeta...-1250F-10K
- BI Technologies / TT Electronics P092
https://eu.mouser.com/Search/ProductDeta...-FC25BR10K
-TE CONNECTIVITY / CITEC 27
http://ru.farnell.com/te-connectivity-ci...dp/1898452
http://ru.farnell.com/te-connectivity-ci...dp/1173890
-TE Connectivity 23
http://www.digikey.com/product-detail/en...ND/2363640
-Piher PC16
https://eu.mouser.com/Search/ProductDeta...PC16DC-10K
https://eu.mouser.com/Search/ProductDeta...C16DHI-10K
"The universal aptitude for ineptitude makes any human accomplishment an incredible miracle." John Stapp