In high-frequency design, precision and reliability are non-negotiable. From RF filters to impedance matching circuits, a capacitor that drifts under thermal stress or vibration isn’t just inconvenient — it’s a design flaw waiting to happen.
That’s why engineers increasingly choose the JKA Series SMD Ceramic Trimmer Capacitors from jb Capacitors. These aren’t your average variable capacitors. They’re crafted for high stability, high Q performance, and robust SMT compatibility, making them ideal for demanding designs across RF, telecom, IoT, and wearable applications.
What Makes the JKA Series Different?
Unlike traditional through-hole trimmers, the JKA Series features a miniature 3mm surface mount form factor — just 3.2 × 4.5 × 1.5 mm — that supports layout optimization in space-constrained PCBs.
Each model offers a tightly defined capacitance range from 1.5 pF to 28.5 pF, and supports multiple temperature coefficients: NPO, N750, and N1300. This gives engineers the flexibility to fine-tune circuits without compromising reliability.
Reliable in the Field, Not Just on the Bench
The JKA Series is built for real-world durability. Its sealed housing prevents flux and dust contamination, while its high-temperature liquid crystal polymer body ensures minimal dielectric loss and solid mechanical strength.
The adjustable torque (15–72 gf.cm) allows precise calibration that stays fixed. Whether in portable radios, wireless modules, or automotive subsystems, JKA capacitors hold their performance across challenging environments.
When to Choose the JKA Series
If your application requires stable tuning across temperature and time, especially in the 1 MHz to 100 MHz range, the JKA Series is the go-to solution.
Consider it for designs like:
- Narrow-band RF amplifiers with fine impedance control
- IoT sensors requiring compact layouts and clean signals
- Filters needing stable response over thermal cycling
This is where high Q, low ESR, and minimal drift truly matter — and where jb’s JKA Series stands out.
Ready to Integrate?
Engineers worldwide rely on the JKA Series for high-precision analog and RF projects. Backed by a detailed datasheet and in-stock availability, it’s easy to spec into your next design.
Download datasheet and check availability → Click here