How can I identify these capacitor values?

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I’m trying to build the power supply from this schematic.
schematic
I’ve been purchasing the parts, but am confused about the capacitors I’ve labeled, especially became their numbers start with “R”. What are their values? What common sense can I use so I can continue to find this out myself?






capacitor schematics component-values







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  • 2




    Taking a wild guess: I have seen a few cases where resistances were written a for example 1R1 to represent a 1.1 ohm resistor. So, those might be 0.1 and 0.01 microfarad capacitors
    – JRE
    1 hour ago






  • 1




    I agree with ^^. Also look at the circuit, what is does and what would be appropriate: C4 0.01uF = 10 nF, C2, C5: 100 nF seem appropriate for supply decoupling around a 78L05 regulator. Then C10 is R1 so also 100nF, it's in parallel with a 220uF electrolytic so just providing some HF decoupling, 100 nF also seems appropriate.
    – Bimpelrekkie
    1 hour ago










  • I agree with ^^^ :-)
    – Ale..chenski
    51 mins ago










  • How are you going to go about the diode D2, which is marked "Hi-Fi special" ?
    – Nick Alexeev♦
    2 mins ago














up vote
1
down vote

favorite












I’m trying to build the power supply from this schematic.
schematic
I’ve been purchasing the parts, but am confused about the capacitors I’ve labeled, especially became their numbers start with “R”. What are their values? What common sense can I use so I can continue to find this out myself?






capacitor schematics component-values







share|improve this question

















  • 2




    Taking a wild guess: I have seen a few cases where resistances were written a for example 1R1 to represent a 1.1 ohm resistor. So, those might be 0.1 and 0.01 microfarad capacitors
    – JRE
    1 hour ago






  • 1




    I agree with ^^. Also look at the circuit, what is does and what would be appropriate: C4 0.01uF = 10 nF, C2, C5: 100 nF seem appropriate for supply decoupling around a 78L05 regulator. Then C10 is R1 so also 100nF, it's in parallel with a 220uF electrolytic so just providing some HF decoupling, 100 nF also seems appropriate.
    – Bimpelrekkie
    1 hour ago










  • I agree with ^^^ :-)
    – Ale..chenski
    51 mins ago










  • How are you going to go about the diode D2, which is marked "Hi-Fi special" ?
    – Nick Alexeev♦
    2 mins ago












up vote
1
down vote

favorite









up vote
1
down vote

favorite











I’m trying to build the power supply from this schematic.
schematic
I’ve been purchasing the parts, but am confused about the capacitors I’ve labeled, especially became their numbers start with “R”. What are their values? What common sense can I use so I can continue to find this out myself?






capacitor schematics component-values







share|improve this question













I’m trying to build the power supply from this schematic.
schematic
I’ve been purchasing the parts, but am confused about the capacitors I’ve labeled, especially became their numbers start with “R”. What are their values? What common sense can I use so I can continue to find this out myself?






capacitor schematics component-values




capacitor schematics component-values






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 1 hour ago









ToastHouse

1306




1306







  • 2




    Taking a wild guess: I have seen a few cases where resistances were written a for example 1R1 to represent a 1.1 ohm resistor. So, those might be 0.1 and 0.01 microfarad capacitors
    – JRE
    1 hour ago






  • 1




    I agree with ^^. Also look at the circuit, what is does and what would be appropriate: C4 0.01uF = 10 nF, C2, C5: 100 nF seem appropriate for supply decoupling around a 78L05 regulator. Then C10 is R1 so also 100nF, it's in parallel with a 220uF electrolytic so just providing some HF decoupling, 100 nF also seems appropriate.
    – Bimpelrekkie
    1 hour ago










  • I agree with ^^^ :-)
    – Ale..chenski
    51 mins ago










  • How are you going to go about the diode D2, which is marked "Hi-Fi special" ?
    – Nick Alexeev♦
    2 mins ago












  • 2




    Taking a wild guess: I have seen a few cases where resistances were written a for example 1R1 to represent a 1.1 ohm resistor. So, those might be 0.1 and 0.01 microfarad capacitors
    – JRE
    1 hour ago






  • 1




    I agree with ^^. Also look at the circuit, what is does and what would be appropriate: C4 0.01uF = 10 nF, C2, C5: 100 nF seem appropriate for supply decoupling around a 78L05 regulator. Then C10 is R1 so also 100nF, it's in parallel with a 220uF electrolytic so just providing some HF decoupling, 100 nF also seems appropriate.
    – Bimpelrekkie
    1 hour ago










  • I agree with ^^^ :-)
    – Ale..chenski
    51 mins ago










  • How are you going to go about the diode D2, which is marked "Hi-Fi special" ?
    – Nick Alexeev♦
    2 mins ago







2




2




Taking a wild guess: I have seen a few cases where resistances were written a for example 1R1 to represent a 1.1 ohm resistor. So, those might be 0.1 and 0.01 microfarad capacitors
– JRE
1 hour ago




Taking a wild guess: I have seen a few cases where resistances were written a for example 1R1 to represent a 1.1 ohm resistor. So, those might be 0.1 and 0.01 microfarad capacitors
– JRE
1 hour ago




1




1




I agree with ^^. Also look at the circuit, what is does and what would be appropriate: C4 0.01uF = 10 nF, C2, C5: 100 nF seem appropriate for supply decoupling around a 78L05 regulator. Then C10 is R1 so also 100nF, it's in parallel with a 220uF electrolytic so just providing some HF decoupling, 100 nF also seems appropriate.
– Bimpelrekkie
1 hour ago




I agree with ^^. Also look at the circuit, what is does and what would be appropriate: C4 0.01uF = 10 nF, C2, C5: 100 nF seem appropriate for supply decoupling around a 78L05 regulator. Then C10 is R1 so also 100nF, it's in parallel with a 220uF electrolytic so just providing some HF decoupling, 100 nF also seems appropriate.
– Bimpelrekkie
1 hour ago












I agree with ^^^ :-)
– Ale..chenski
51 mins ago




I agree with ^^^ :-)
– Ale..chenski
51 mins ago












How are you going to go about the diode D2, which is marked "Hi-Fi special" ?
– Nick Alexeev♦
2 mins ago




How are you going to go about the diode D2, which is marked "Hi-Fi special" ?
– Nick Alexeev♦
2 mins ago










1 Answer
1






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up vote
2
down vote



accepted










Since a couple of other commenters seem to think it reasonable, I'll go ahead and make an answer from my comment:



Taking a wild guess:



I have seen a few cases where resistances were written as for example 1R1 to represent a 1.1 ohm resistor.



So, those might be 0.1 and 0.01 microfarad capacitors.



Additionally, those values would make sense in the given positions for a 7805 linear voltage regulator.






share|improve this answer






















  • This would be my interpretation as well. The use of R is usually exclusive to resistors, but this is the only reasonable interpretation of this numbering scheme. The 'base unit' for capacitors is either microfarad or picofarad, but since a 0.01 picofarad capacitor wouldn't make much sense, 0.01 μF is more likely.
    – Felthry
    30 mins ago










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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
2
down vote



accepted










Since a couple of other commenters seem to think it reasonable, I'll go ahead and make an answer from my comment:



Taking a wild guess:



I have seen a few cases where resistances were written as for example 1R1 to represent a 1.1 ohm resistor.



So, those might be 0.1 and 0.01 microfarad capacitors.



Additionally, those values would make sense in the given positions for a 7805 linear voltage regulator.






share|improve this answer






















  • This would be my interpretation as well. The use of R is usually exclusive to resistors, but this is the only reasonable interpretation of this numbering scheme. The 'base unit' for capacitors is either microfarad or picofarad, but since a 0.01 picofarad capacitor wouldn't make much sense, 0.01 μF is more likely.
    – Felthry
    30 mins ago














up vote
2
down vote



accepted










Since a couple of other commenters seem to think it reasonable, I'll go ahead and make an answer from my comment:



Taking a wild guess:



I have seen a few cases where resistances were written as for example 1R1 to represent a 1.1 ohm resistor.



So, those might be 0.1 and 0.01 microfarad capacitors.



Additionally, those values would make sense in the given positions for a 7805 linear voltage regulator.






share|improve this answer






















  • This would be my interpretation as well. The use of R is usually exclusive to resistors, but this is the only reasonable interpretation of this numbering scheme. The 'base unit' for capacitors is either microfarad or picofarad, but since a 0.01 picofarad capacitor wouldn't make much sense, 0.01 μF is more likely.
    – Felthry
    30 mins ago












up vote
2
down vote



accepted







up vote
2
down vote



accepted






Since a couple of other commenters seem to think it reasonable, I'll go ahead and make an answer from my comment:



Taking a wild guess:



I have seen a few cases where resistances were written as for example 1R1 to represent a 1.1 ohm resistor.



So, those might be 0.1 and 0.01 microfarad capacitors.



Additionally, those values would make sense in the given positions for a 7805 linear voltage regulator.






share|improve this answer














Since a couple of other commenters seem to think it reasonable, I'll go ahead and make an answer from my comment:



Taking a wild guess:



I have seen a few cases where resistances were written as for example 1R1 to represent a 1.1 ohm resistor.



So, those might be 0.1 and 0.01 microfarad capacitors.



Additionally, those values would make sense in the given positions for a 7805 linear voltage regulator.







share|improve this answer














share|improve this answer



share|improve this answer








edited 27 mins ago

























answered 35 mins ago









JRE

19.5k43665




19.5k43665











  • This would be my interpretation as well. The use of R is usually exclusive to resistors, but this is the only reasonable interpretation of this numbering scheme. The 'base unit' for capacitors is either microfarad or picofarad, but since a 0.01 picofarad capacitor wouldn't make much sense, 0.01 μF is more likely.
    – Felthry
    30 mins ago
















  • This would be my interpretation as well. The use of R is usually exclusive to resistors, but this is the only reasonable interpretation of this numbering scheme. The 'base unit' for capacitors is either microfarad or picofarad, but since a 0.01 picofarad capacitor wouldn't make much sense, 0.01 μF is more likely.
    – Felthry
    30 mins ago















This would be my interpretation as well. The use of R is usually exclusive to resistors, but this is the only reasonable interpretation of this numbering scheme. The 'base unit' for capacitors is either microfarad or picofarad, but since a 0.01 picofarad capacitor wouldn't make much sense, 0.01 μF is more likely.
– Felthry
30 mins ago




This would be my interpretation as well. The use of R is usually exclusive to resistors, but this is the only reasonable interpretation of this numbering scheme. The 'base unit' for capacitors is either microfarad or picofarad, but since a 0.01 picofarad capacitor wouldn't make much sense, 0.01 μF is more likely.
– Felthry
30 mins ago

















 

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