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Parameters of Common Crystals

Vishay-Dale
Frequency (MHz)   Load Cap.
   4.91520                  Series


Mouser P/N 73-XT49U491-S

Fs = 4.9152 MHz
Rs = 14.3 Ohms
Co = 3.57 pF
Lm = 73 mH
Cm = 0.0144 pF
 Q  = 165,000

Used in original 2N2/40 rig

Fox
Frequency (MHz)   Load Cap.
   4.91520                  Series


Mouser P/N 559-FOX049

Fs = 4.9152 MHz
Rs = 13.0 Ohms
Co = 3.64 pF
Lm = 70 mH
Cm = 0.015 pF
 Q  = 167,500

Used in 2N2/40+ rig

Fox
Frequency (MHz)   Load Cap.
   4.91520                  20 pF


Mouser P/N 559-FOX049-20

Fs = 4.9136 MHz
Rs = 14.0 Ohms
Co = 3.64 pF
Lm = 69.5 mH
Cm = 0.0151 pF
 Q  = 156,000

Used in 2N2/40+ rig
(Flying pigs build)



Fox
Frequency (MHz)   Load Cap.
   7.3728                    Series


Mouser P/N 559-FOX073

Fs = 7.3728 MHz
Rs = 9.9 Ohms
Co = 3.54 pF
Lm = 30 mH
Cm = 0.0156 pF
 Q  = 141,400

Used in 2N2/30 rig

ECS
Frequency (MHz)   Load Cap.
   3.932160                17 pF


Mouser P/N 520-HCA393-17

Fs = 3.9314 MHz
Rs = 22.7 Ohms
Co = 3.58 pF
Lm = 170.6 mH
Cm = 0.00961 pF
 Q  = 185,600

Used in IA-QRP10 rig

ECS
Frequency (MHz)   Load Cap.
   11.0000                   Series


Mouser P/N 520-HCA1100-S

Fs = 11.0000 MHz
Rs = 8.0 Ohms
Co = 3.64 pF
Lm = 15.3 mH
Cm = 0.0137 pF
 Q  = 134,600

Used in 2N2/20 rig




ECS
Frequency (MHz)   Load Cap.
   4.0000                    Series


Mouser P/N 520-HCA400-S

Fs = 4.000 MHz
Rs = 30.3 Ohms
Co = 3.10 pF
Lm = 165 mH
Cm = 0.009616 pF
 Q  = 144,000

Used in 17 meter 38 Special  rig

ECS
Frequency (MHz)   Load Cap.
   4.443                      20 pF


Mouser P/N 520-HCA443-20

Fs = 4.4319 MHz
Rs = 23.8 Ohms
Co = 4.85 pF
Lm = 97 mH
Cm = 0.0133 pF
 Q  = 113,200

Candidate for 2N2/15 rig (Low Q)

Fox
Frequency (MHz)   Load Cap.
   4.443                      20 pF


Mouser P/N 559-FOX0443

Fs = 4.4323 MHz
Rs = 16.8 Ohms
Co = 3.36 pF
Lm = 124 mH
Cm = 0.0104 pF
 Q  = 205,800

Used in 2N2/15 rig (High Q)




Fox
Frequency (MHz)   Load Cap.
  8.000                       Series


Mouser P/N 559-FOX080

Fs = 8.000 MHz
Rs = 10.1 Ohms
Co = 3.63 pF
Lm = 23.5 mH
Cm = 0.01685 pF
 Q  = 117,000

Measured for someone building a Gary Breed designed rig

ECS
Frequency (MHz)   Load Cap.
   12.000                     Series


Mouser P/N 520-HCA1200-S

Fs = 12.000 MHz
Rs = 8.5 Ohms
Co = 4.68 pF
Lm = 12.4 mH
Cm = 0.01422 pF
 Q  = 109,700

Used in upgraded 38 Special rig

KDS
Frequency (MHz)   Load Cap.
   13.5000                  Series


Surplus part from ?

Fs = 13.500 MHz
Rs = 4.44 Ohms
Co = 6.06 pF
Lm = 5.5 mH
Cm = 0.0254 pF
 Q  = 105,600

Measured to have parameters




ECS
Frequency (MHz)   Load Cap.
   7.680                20 Pf


Mouser P/N 520-HCA768-20

Fs = 7.677 MHz
Rs = 10.05 Ohms
Co = 4.5 pF
Lm = 28.17 mH
Cm = 0.01526 pF
 Q  = 135,200

Used in SW30+ rig


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