Trimmer capacitors Temex-Ceramicss
Trimmer capacitors are among important elements of modern electronic devices. They are widely used in measuring equipment and other devices. The capacitance of this electronic parts can be changed freely. The possiblity to fix the capacitance only at tuning leads to simplifiing of construction and decreasing of tuning cycles quantity. In such a way such components can be used for professional applications in areas like telecommunications, medical instrumentation, defense and manufacturing. They support a wide range of capacity, voltage and temperature coefficients. Various mechanical solutions are offered via different types of dielectric material:
- air
- sapphire
- ceramic
The main technical characteristics are:
- C min, max -minimal and maximum capacitance (F)
- U - Withstanding voltage (V)
- ТКЕ - Temp. Coeff. (ppm/°С)
- Q - Q factor
The construction of trimmers is characterised by functions of device. Applied mounting methods should provide mechanical strength, reliable electrical contacts.
Joining Exxelia Group in 2012, Exxelia Temex (ex Temex Ceramics) is specialized in the design and manufacture of a broad range of radiofrequency and microwave passive electronic components and ceramic capacitors.
Exxelia Temex started business in 1971 at Pessac near Bordeaux in south-west France, producing frequency-adjustable components and ceramic capacitors. The business was expanded in 1988 by the external acquisition of ferrite and dielectric materials.
Over the last 35 years, the company has strengthened and streamlined its product range to focus on three core lines:
- Multilayer ceramic capacitors
- High-frequency adjustable capacitors and tuning devices
- Microwave materials Its knowhow focuses on material development and composition, micro-mechanics, ceramic-metal bonding, microwave measurement and simulation. Exxelia Temex develops its own ceramic dielectric compositions from standard raw materials and controls its production processes end-to-endin order to optimize and constantly enhance the performance of its components to address the demands of its customers’ applications.
The company represent a wide range of trimmer capacitors with different characteristics produced for(SMD), так и в выводном исполнении, характеризующиеся высокой добротностью.
The series of Temex-Ceramics trimmer capacitors
Ceramic dielectric capacitors
Ceramic dielectric capacitors enable a wide range of combinations in terms of range of capacitance, voltage and temperature coefficient, and also in the supported assembly methods: “Thin-Trim ®, Ceratrim ®, Chip TRIM ® are extensively used for trimming circuits that require a high level of stability.
Most of these components are SMD and are delivered on tape. Non-magnetic versions are also available.
Particularly, SMD trimmer capacitors (AT2320G, AT 9401G, AT 9402G, AT 9410G, AT 0300/AT1300) represent components applied in electrical circuits, where size and technical performance are key characteristics. For example, encapsulated series of trimmers with aluminum case is characterised by stability to severe conditions, mechanical and electrical strength. The construction of a capacitor's case protects it from penetration into the device. The working frequency range varies up to 2 GHz.Miniature trimmer capacitors are characterised by high Q factor, stability of electrical characteristics during all useful life. Among SMD components produced bt Temex-Ceramics one can mention following series:
SMD encapsulated trimmer capacitors
| Series of trimmers | Capacitance range (pF) |
Nominal voltage (VDC) | Withstanding voltage (VDC) | Range of working temperatures, °С | ТКЕ, ppm/°C | Q, at 100MHz and Cmax | Detailed information | |
|---|---|---|---|---|---|---|---|---|
| Series AT 23XXG | ||||||||
| AT2320G-0 | 0.6 - 2.5 | 250 | 500 | -55÷+125 | 100+/-200 | >3000 |   |
|
| AT2320G-1 | 1.0 - 5.0 | 250 | 500 | -55÷+125 | 100+/-200 | >1000 | |
|
| AT2320G-2 | 2.5 - 10.0 | 250 | 500 | -55÷+125 | 100+/-200 | >1000 | |
|
| AT2320G-3 | 7.5 - 18.0 | 250 | 500 | -55÷+125 | -450+/-300 | >500 | |
|
| AT2340G-4 | 8.5 - 22.0 | 250 | 500 | -55÷+125 | -1100+/-300 | >300 | | |
Miniature SMD ceramic trimmers
| Series trimmers | Capacitance range (pF) |
Nominal voltage (VDC) | Withstanding voltage (VDC) | Range of working temperatures, °С | ТКЕ, ppm/°C | Q,at 100MHz and Cmax | Detailed information | |
|---|---|---|---|---|---|---|---|---|
| Series AT 9401G | ||||||||
| AT9401G-0 AT9401G-0 SL1 |
0.25 - 0.7 | 250 | 500 | -55÷+125 | 50+/-50 | >1000 |  |
|
| AT9401G-1 AT9401G-1 SL1 |
0.5 - 1.3 | 250 | 500 | -55÷+125 | NPO+/-100 | >1000 | | |
| AT9401G-2 AT9401G-2 SL1 |
0.6 - 2.0 | 250 | 500 | -55÷+125 | -400+/-200 | >1000 | | |
| AT9401G-4 AT9401G-4 SL1 |
1.5 - 4.0 | 250 | 500 | -55÷+125 | -1100+/-300 | >500 | | |
| Серия AT 9402G | ||||||||
| AT9402G-0 AT9402G-0 SL1 |
0.5 - 2.5 | 250 | 500 | -55÷+125 | 100+/-100 | >3000 | |
|
| AT9402G-1 AT9402G-1 SL1 |
1.0 - 5.0 | 250 | 500 | -55÷+125 | 100+/-200 | >1000 | | |
| AT9402G-2 AT9402G-1 SL1 |
2.5 - 10.0 | 250 | 500 | -55÷+125 | -50+/-100 | >1000 | | |
| AT9402G-4 AT9402G-4 SL1 |
3.0 - 12.0 | 250 | 500 | -55÷+125 | -1100+/-300 | >500 | | |
| AT9402G-6 AT9402G-6 SL1 |
8.0 - 25.0 | 250 | 500 | -55÷+125 | -1100+/-300 | >300 | | |
| AT9402G-8 AT9402G-8 SL1 |
5.0 - 15.0 | 250 | 500 | -55÷+125 | -300+/-300 | >750 | | |
| AT9402G-9 AT9402G-9 SL1 |
7.0 - 18.0 | 250 | 500 | -55÷+125 | -450+/-300 | >500 | | |
| Series AT9410G | ||||||||
| AT9410G-0 AT9410G-0 SL1 |
1.0 - 4.5 | 250 | 500 | -55÷+125 | 50+/-50 | >1000 | | |
| AT9410G-1 AT9410G-1 SL1 |
2.5 - 10.0 | 250 | 500 | -55÷+125 | -100+/-200 | >1000 | | |
| AT9410G-2 AT9410G-2 SL1 |
4.0 - 18.0 | 250 | 500 | -55÷+125 | -400+/-200 | >700 | | |
| AT9410G-3 AT9410G-3 SL1 |
6.0 - 35.0 | 250 | 500 | -55÷+125 | -1100+/-300 | >200 | | |
| AT9410G-4 AT9410G-4 SL1 |
7.0 - 40.0 | 250 | 500 | -55÷+125 | -1100+/-300 | >200 | | |
| AT9410G-5 AT9410G-5 SL1 |
10.0 - 50.0 | 250 | 500 | -55÷+125 | 1500+/-500 | >200 | | |
| AT9410G-25 AT9410G-25 SL1 |
5.0 - 25.0 | 250 | 500 | -55÷+125 | NPO+/-150 | >200 | | |
UltracompactSMD ceramic trimmers
| Series of trimmers | Capacitance range (pF) +50%/-0 |
Nominal voltage (VDC) | Withstanding voltage (VDC) | The range of working temperatures, °С | ТКЕ, ppm/°C | Isolation resistance, MOhm | Detailed information | |
|---|---|---|---|---|---|---|---|---|
| Series AT 0300/AT1300 | ||||||||
| AT0303 AT1303 |
1.5 - 0.7 | 100 | 220 | -40÷+85 | 0+/-200 | 10000 мин |  |
|
| AT0306 AT1306 |
2.0 - 6.0 | 100 | 220 | -40÷+85 | 0+/-300 | 10000 мин | |
|
| AT0308 AT1308 |
3.0 - 8.0 | 100 | 220 | -40÷+85 | -750+/-500 | 10000 мин | |
|
| AT0310 AT1310 |
2.0 - 10.0 | 100 | 220 | -40÷+85 | 0+/-300 | 10000 мин | |
|
| AT0315 AT1315 |
3.0 - 15.0 | 100 | 220 | -40÷+85 | 0+/-300 | 10000 мин | |
|
| AT0320 AT1320 |
4.5 - 20.0 | 100 | 220 | -40÷+85 | 0+/-500 | 10000 мин | |
|
| AT0330 AT1330 |
5.5 - 30.0 | 100 | 220 | -40÷+85 | -7500+/-500 | 10000 мин | |
|
| AT0340 AT1340 |
8.0 - 40.0 | 100 | 220 | -40÷+85 | -7500+/-500 | 10000 min | |
|
Trimmer capacitors with sapphire dielectric
When choosing dielectric for trimmer capacitors the great interest is drawn to sapphire.
Trimmers with sapphire dielectric (series AT272 *,AT SM260X, AT SM270X, AT SM280X, AT SM290X) are characterised by a high Q factor, low value of temperature coefficient, long useful life, a wide range of capacitance and small sizes, that allows to use them in wireless devices, aeronautics, space, defense, rail, medical, manufacturing, energy, telecommunications.
Trimmer capacitors with sapphire dielectric
| Trimmer series | The capacitance range* (pF) |
Nominal voltage (VDC) | Withstanding voltage (VDC) | The range of working temperatures, °С | ТКЕ, ppm/°C* | Q, at Cmax | Detailed information | |
|---|---|---|---|---|---|---|---|---|
| Series AT272 | ||||||||
| AT2726X | 0.3 - 1.2 | 500 | 1000 | -55÷+125 | 0+/-50 | >5000 at 250MHz |  | |
| AT SM260X | 0.3 - 1.2 | 500 | 1000 | -55÷+125 | 0+/-50 | >5000 at 250MHz | | |
| AT2727X | 0.6 - 4.5 | 500 | 1000 | -55÷+125 | 0+/-50 | >3000 при 250МГц | | |
| AT SM270X | 0.6 - 4.5 | 500 | 1000 | -55÷+125 | 0+/-50 | >3000 at 250MHz | | |
| AT2728X | 0.4 - 2.5 | 500 | 1000 | -55÷+125 | 0+/-50 | >4000 at 250MHz | | |
| AT SM280X | 0.4 - 2.5 | 500 | 1000 | -55÷+125 | 0+/-50 | >4000 at 250MHz | | |
| AT27290X | 0.8 - 8.0 | 500 | 1000 | -55÷+125 | 0+/-75 | >3000 at 100MHz | | |
| AT SM290X | 0.8 - 8.5 | 500 | 1000 | -55÷+125 | 0+/-75 | >3000 at 100 MHz | | |
Trimmer capacitors with air dielectric
The series of components with air dielectric (AT 5200, AT 5400, AT 5500 , AT 5600, AT 5700, AT 5800 and others) were especially developed by Temex-Ceramics for application in microwave devices. The Using of air as a dielectric allows to create easy constructions with improved electrical characteristics (small values of dissipation factor, small values of ТКЕ, stability of capacitance), that allows to use them in quartz resonators, filters, mobile radiodevices, locators, CATV. Temex-Ceramics trimmer capacitors with air dielectric
| Trimmer series | The capacitance range (pF) |
Nominal voltage (VDC) | Wuthstanding voltage(VDC) | Working temperatures range, °С | ТКЕ, ppm/°C | Q at 100MHz, at Cmax | Detailed information | |
|---|---|---|---|---|---|---|---|---|
| Miniature trimmers with air dielectric | ||||||||
| AT 5800 AT 5801 AT 5802 AT 8051 |
0.35 - 3.5 | 250 | 500 | -55÷+125 | 0+/-50 | >10000 |  | |
| AT 5850 AT 5851 AT 5852 AT 5853 |
0.5 - 5.0 | 250 | 500 | -55÷+125 | 0+/-50 | >7500 | | |
| AT 5700 AT 5701 AT 5702 AT 8050 |
0.8 - 6.0 | 250 | 500 | -55÷+125 | 0+/-15 | >10000 | | |
| AT 5750 AT 5751 AT 5752 AT 5753 |
0.8 - 10.0 | 250 | 500 | -55÷+125 | 0+/-50 | >7500 | | |
| Standard trimmer capacitors with air dielectric | ||||||||
| AT 5200 AT 5201 AT 5202 AT 8052 |
0.8 - 10 | 250 | 500 | -55÷+125 | 0+/-15 | >5000 | | |
| AT 5400 AT 5401 AT 5402 AT 8053 |
1.0 - 14.0 | 250 | 500 | -55÷+125 | 0+/-25 | >3000 | | |
| AT 5450 AT 5451 AT 5452 AT 5453 |
1.0 - 16.0 | 250 | 500 | -55÷+125 | 0+/-50 | >3000 | | |
| AT 5500 AT 5501 AT 5502 AT 8054 |
1.0 - 20.0 | 250 | 500 | -55÷+125 | 0+/-30 | >1000 | | |
| AT 5600 AT 5601 AT 5602 |
1.0 - 30.0 | 250 | 500 | -55÷+125 | 0+/-30 | >800 | | |
| High voltage trimmer capacitors with air dielectric | ||||||||
| AT 5301 AT 5302 |
0.8- 10.0 | 500 | 1000 | -55÷+125 | 0+/-20 | >2000 | | |
High voltage trimmer capacitors
Temex-Ceramics has developed series of nonmagnetic highvoltage trimmer capacitors (AT 52H, AT 55H) with teflon and sapphire dielectrics which find a wide application in medicine.
All producced component correspond ROHS. One can note following series:High Voltage PTFE Dielectric
Trimmer Capacitors
| Series | The capacitance range ([F) |
Nominal voltage (VDC) | Withstanding voltage (VDC) | The range of working temperatures, °С | ТКЕ, ppm/°C | Q, at Cmax | Detailed information | |
|---|---|---|---|---|---|---|---|---|
| AT52H | ||||||||
| AT 52H01 AT 52H02 |
1.5 - 10.0 | 1250 | 2500 | -55÷+125 | 50+/-40 | >1400 при 195 МГц | | |
| AT55H | ||||||||
| AT 55H01 AT 55H02 |
1.5 - 19.0 | 1000 | 2000 | -55÷+125 | 0+/-50 | >1000 при 175 МГц | | |
High Voltage Sapphire Dielectric
Trimmer Capacitors
| Series | Capacitance range (pF) |
Nominal voltage (VDC) | Withstanding voltage (VDC) | The range of working temperatures, °С | ТКЕ, ppm/°C | Q, at 100 MHZ at Cmax | Detailed information | |
|---|---|---|---|---|---|---|---|---|
| AT572 | ||||||||
| AT 57290 | 0.8 - 8.0 | 500 | 1000 | -55÷+125 | 350+/-75 | >3000 |  | |
| AT 57250 | 1.0 - 13.0 | 1500 | 2250 | -55÷+125 | 350+/-75 | >1500 | | |
| TG09 | ||||||||
| TG 091 | 0.5 - 8.0 | 1500 | 2500 | -55÷+125 | 350+/-75 | >2500 | | |
| TG 092 | 0.5 - 10.0 | 1000 | 1600 | -55÷+125 | 350+/-75 | >2000 | | |
| TG 094 | 0.6 - 8.0 | 5000 | 10000 | -55÷+125 | 400+/-100 | tbc | | |
Microwave Tuning Elements
Temex-Ceramics tuning elements are applied in microwave components, filters, resonators, dielectric resonators. The reliability of construction, stability of characteristics after tuning allow the using of tuning elements in predetrmined frequency range. Tne main fields of application od such components - aerospace technologies, magnetic Resonance Imaging, nuclear magnetic resonance, medical applications and others.
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