Half Turn JR300
JR300
Half Turn Trimmer Capacitors offer compact, high-Q tuning with up to 50pF range for RF and MRI applications requiring precision and non-magnetic performance.
Brand: Knowles
Manufacturers:
Product Overview
Features
- Tuning range up to 50pF
- High Q factor for low loss performance
- Compact form factor with economical design
- Non-magnetic construction (JZ Series)
- Compatible with Murata replacements
- Designed for high reliability, temperature, and voltage environments
Benefits
- Enables precise frequency tuning in space-constrained designs
- Minimizes signal loss in high-frequency circuits
- Meets OEM non-magnetic requirements for MRI systems
- Reduces cost and simplifies integration
- Supports stable operation under thermal and mechanical stress
Target Applications
- MRI coils (extremity, surface, LNA)
- RF filters and band tuning
- Crystal oscillator timing devices
- RFID reader antenna tuning
- Low power laser impedance matching
Specifications
| Part Number | JR300 |
|---|---|
| C Min. (pF) | 5.5 |
| C Max. (pF) | 30 |
| DWV | 220 |
| Marking Color | Orange |
| Mounting Type | Vertical, SMT |
| Non Magnetic | No |
| Packaging Code | All parts furnished on 12mm tape and reel. 1,000 pc's per reel. |
| Seal | No |
| Self Resonance | 0.92 GHz |
| Temp. Coefficient | -1500 ± 1000 |
| Torque | 0.6 in-oz max |
| DC Voltage | 125 |
| CatalogSeriesDescription | Ceramic Chip Trimmers JR & JR_HV Series |
| Product | Trimmer |
| Product Type | Half Turn |
| Range | Ceramic Chip Trimmers JR & JR_HV Series |
| Brand | Voltronics |
Product Documentation
Datasheets
Design Files
3D Models
Distributor Inventory
Powered by NetComponents
| Part Number | Part Description | Quantity | Distributor |
|---|---|---|---|
| JR300 | JR300 | 1000 |
Arrow Electronics
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| JR300 | TRIMMER / VARIABLE CAPACITORS 5.0 - 30PF 100VOLTS | 3266 |
Mouser Electronics Inc.
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|
| JR300 | KNOWLES VOLTRONICS | 253 |
DigiKey
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|
| JR300 | Ceramic SMT Trimmer - 30pF - 220 VDC | 250 |
Master Electronics
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|
| JR300 | Ceramic SMT Trimmer - 30pF - 220 VDC | 250 |
Onlinecomponents.com
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|
| JR300 | 550 |
RFMW Asia Pte Ltd
|
|
| JR300 | 550 |
RFMW EMEA
|
|
| JR300 | 550 |
RFMW, Ltd.
|
|
| JR300 | 5.5 - 30PF 100V | 11000 |
TTI Inc
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|
| JR300HV | KNOWLES VOLTRONICS | 102 |
DigiKey
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|