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C.A.P. Product Lookup
TranslateSapphire Trimmers
A sapphire trimmer capacitor is a type of variable (adjustable) capacitor that uses sapphire as the dielectric material. Sapphire is an inert crystal, moisture resistant and mechanically strong. It’s designed for very precise tuning in RF and microwave circuits, especially where high stability and very low loss are required. Typically used in RF tuning circuits, oscillators and quartz crystal circuits, LC filters, radio transmitters/receivers, and low-noise amplifiers and resonant coils, Sapphire’s dielectric constant is highly stable with frequency, temperature, and humidity making tuning extremely predictable over time and environmental conditions. The adjustment range is usually small (often ~1–20 pF).
Click the trimmer images below to view their datasheets
No Leads
Flange Mount
Flange Mount and Screw Stud
Flange Mount and Solder Tags
SMD – Mount Horizontal
SMD – Mount Horizontal 2 Solder Tags
SMD – Mount Vertical
SMD – Mount Vertical 2 Solder Tags
2 Solder Tags
PC – Mount Horizontal
PC – Mount Vertical 2 Solder Tags
Swipe or scroll horizontally to view the entire table
No Leads
| Part-No. | ø [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0202-00001-000 | 2 | 5.8 | 0.3 | 1.2 | 0 ± 50 |  |
| PPI-66-0232-00001-000 | 2 | 5.8 | 0.3 | 1.2 | 350 ± 75 | |
| PPI-66-0302-00002-000 | 3 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0302-00004-000 | 3 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0302-00008-000 | 3 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0332-00002-000 | 3 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0332-00004-000 | 3 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0332-00008-000 | 3 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |
Swipe or scroll horizontally to view the entire table
Flange Mount
| Part-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0201-00001-000 | 2 | 2.0 | 5.8 | 0.3 | 1.2 | 0 ± 50 | |
| PPI-66-0231-00001-000 | 2 | 2.0 | 5.8 | 0.3 | 1.2 | 350 ± 75 | |
| PPI-66-0301-00002-000 | 3 | 2.3 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0301-00004-000 | 3 | 3.7 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0301-00008-000 | 3 | 6.5 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0331-00002-000 | 3 | 2.3 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0331-00004-000 | 3 | 3.7 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0331-00008-000 | 3 | 6.5 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |
Swipe or scroll horizontally to view the entire table
Flange Mount and Screw Stud
| Part-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0309-00002-000 | 3 | 2.3 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0309-00004-000 | 3 | 3.7 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0309-00008-000 | 3 | 6.5 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0339-00002-000 | 3 | 2.3 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0339-00004-000 | 3 | 3.7 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0339-00008-000 | 3 | 6.5 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |
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Flange Mount and Solder Tags
| Part-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0314-00002-000 | 3 | 2.1 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0314-00004-000 | 3 | 2.9 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0314-00008-000 | 3 | 5.2 | 12.3 | 0.8 | 8 | 0 ± 75 | |
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SMD – Mount Horizontal
| Part-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0401-00002-000 | 3 | 4.2 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0401-00004-000 | 3 | 6.0 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0401-00008-000 | 3 | 10.3 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0431-00002-000 | 3 | 4.2 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0431-00004-000 | 3 | 6.0 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0431-00008-000 | 3 | 10.3 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |
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SMD – Mount Horizontal 2 Solder Tags
| Part-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0207-00001-000 | 2 | 11.4 | 5.8 | 0.3 | 1.2 | 0 ± 50 | |
| PPI-66-0237-00001-000 | 2 | 11.4 | 5.8 | 0.3 | 1.2 | 350 ± 75 | |
| PPI-66-0307-00002-000 | 3 | 9.2 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0307-00004-000 | 3 | 10.4 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0307-00008-000 | 3 | 13.8 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0337-00002-000 | 3 | 9.2 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0337-00004-000 | 3 | 10.4 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0337-00008-000 | 3 | 13.8 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |
Swipe or scroll horizontally to view the entire table
SMD – Mount Vertical
| Part-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0204-00001-000 | 2 | 2.3 | 5.8 | 0.3 | 1.2 | 0 ± 50 | |
| PPI-66-0215-00001-000 | 2 | 1.85 | 5.8 | 0.3 | 1.2 | 0 ± 50 | |
| PPI-66-0234-00001-000 | 2 | 2.3 | 5.8 | 0.3 | 1.2 | 350 ± 75 | |
| PPI-66-0304-00002-000 | 3 | 2.0 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0304-00004-000 | 3 | 3.8 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0304-00008-000 | 3 | 6.5 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0315-00002-000 | 3 | 1.9 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0315-00004-000 | 3 | 2.7 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0315-00008-000 | 3 | 5.0 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0316-00002-000 | 3 | — | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0316-00004-000 | 3 | — | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0316-00008-000 | 3 | — | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0334-00002-000 | 3 | 2.0 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0334-00004-000 | 3 | 3.8 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0334-00008-000 | 3 | 6.5 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |
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SMD – Mount Vertical 2 Solder Tags
| PArt-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0317-00002-000 | 3 | 3.2 | 5.8 | 0.45 | 2.5 | 0 ± 50 | |
| PPI-66-0317-00004-000 | 3 | 4.2 | 8.0 | 0.65 | 4.5 | 0 ± 50 | |
| PPI-66-0317-00008-000 | 3 | 6.5 | 12.3 | 0.85 | 8.0 | 0 ± 75 | |
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2 Solder Tags
| Part-No. | ø [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet |
| PPI-66-0205-00001-000 | 2 | 5.8 | 0.3 | 1.2 | 0 ± 50 | |
| PPI-66-0235-00001-000 | 2 | 5.8 | 0.3 | 1.2 | 350 ± 75 | |
| PPI-66-0305-00002-000 | 3 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0305-00004-000 | 3 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0305-00008-000 | 3 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0335-00002-000 | 3 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0335-00004-000 | 3 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0335-00008-000 | 3 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |
Swipe or scroll horizontally to view the entire table
PC – Mount Horizontal
| Part-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0203-00001-000 | 2 | 2.0 | 5.8 | 0.3 | 1.2 | 0 ± 50 | |
| PPI-66-0233-00001-000 | 2 | 2.0 | 5.8 | 0.3 | 1.2 | 350 ± 75 | |
| PPI-66-0303-00002-000 | 3 | 2.0 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0303-00004-000 | 3 | 3.2 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0303-00008-000 | 3 | 6.4 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0333-00002-000 | 3 | 2.0 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0333-00004-000 | 3 | 3.2 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0333-00008-000 | 3 | 6.4 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |
Swipe or scroll horizontally to view the entire table
PC – Mount Vertical 2 Solder Tags
| Part-No. | ø [mm] |
A [mm] |
B [mm] |
Cmin [pF] |
Cmax [pF] |
TKc [ppm/°C] |
Datasheet [pdf] |
| PPI-66-0206-00001-000 | 2 | 3.0 | 5.8 | 0.3 | 1.2 | 0 ± 50 | |
| PPI-66-0236-00001-000 | 2 | 3.0 | 5.8 | 0.3 | 1.2 | 350 ± 75 | |
| PPI-66-0306-00002-000 | 3 | 3.6 | 5.8 | 0.4 | 2.5 | 0 ± 50 | |
| PPI-66-0306-00004-000 | 3 | 2.5 | 8.0 | 0.6 | 4.5 | 0 ± 50 | |
| PPI-66-0306-00008-000 | 3 | 3.1 | 12.3 | 0.8 | 8.0 | 0 ± 75 | |
| PPI-66-0336-00002-000 | 3 | 3.6 | 5.8 | 0.4 | 2.5 | 350 ± 75 | |
| PPI-66-0336-00004-000 | 3 | 2.5 | 8.0 | 0.6 | 4.5 | 350 ± 75 | |
| PPI-66-0336-00008-000 | 3 | 3.1 | 12.3 | 0.8 | 8.0 | 350 ± 75 | |