Product overview
A Ceralink capacitor combines a ceramic dielectric with a compact electrode structure for conventional and medium-to-high-voltage circuits. Applications include communication equipment, broadcast and radar instruments, medical devices, power-control modules and rail-transit electrical systems. It provides coupling, filtering, bypass or resonance in designs that require a non-polarized ceramic capacitor with controlled electrical values and physical dimensions.
Specifications
|
Specification |
ZK-G-001 |
ZK-B-008 |
|
Type |
Fixed vacuum |
Variable vacuum |
|
Capacitance (pF) |
750 ± 37.5 |
Cmin <10 |
|
Upt / Upw (kV) |
Upt 15 / Upw 10 |
Upt 5 / Upw 3.5 |
|
Max. RF Current @13.56 MHz (A) |
100 |
60 |
|
Max. Torque / Tuner Turns |
- |
0.2 N·m |
|
Max. Weight (kg) |
1.5 |
1.5 |
|
Overall & Body |
Overall L 116 ± 1 |
Overall L 208 ± 1 |
|
Shaft / Terminal |
End lengths 17 each |
Shaft Ø16; cross-hole Ø4 |
|
End / Flange Dimensions |
Ø76 / Ø67 |
Left 34 + lip 4; right 24 + lip 4 |
|
Mounting Interface |
6-M5; thread depth 6; hole depth 8; EQS |
6-M4; thread depth 5; hole depth 6; EQS |
Core advantages
Fixed and variable configurations in the current page assets
The supplied page images show a 750 pF fixed vacuum model and a variable vacuum model that tunes from below 10 pF to 1000 pF. These drawings provide concrete fixed and adjustable reference points for circuits that require either one preset value or a broad tuning range.
Up to 10 kV working voltage and 100 A RF current
The fixed model is rated at 10 kV high-frequency peak working voltage and 100 A at 13.56 MHz, while the variable model is rated at 3.5 kV and 60 A. Model selection can therefore be based on the actual RF voltage and current rather than the page category alone.
Defined tuning force and installation weight
The variable model uses a 23-turn mechanism with 0.2 N·m maximum torque, and both listed units weigh 1.5 kg. These values support planning for the drive mechanism and the equipment mounting structure.
Structure and materials
The main parts are a ceramic dielectric body, an internal or surface electrode system, protective sealing layers and external terminals. Nominal capacitance and voltage behavior are set by the dielectric geometry and electrode area.
The outer construction supports the ceramic element and carries the connection to the circuit or mounting point. Terminal type, spacing and body shape are selected for board, bracket or insulated-panel installation.
Custom options
Electrical parameter range
Custom electrical values can include capacitance, rated voltage, tolerance and temperature requirements. Pulse, frequency and continuous-bias conditions also need review when the capacitor is used for more than a basic low-frequency filter.
Footprint and terminal arrangement
Body size, terminal form, lead spacing and mounting method can be matched to the available layout. Existing drawings or samples can be followed when the capacitor must fit a defined circuit board or equipment interface.
Quality control
Ceramic body and electrode inspection
Ceramic parts are inspected for dimensions, surface condition and fit with the terminal structure. Electrode and connection areas are examined before sealing so defects that could affect insulation or current flow are found before final assembly.
Capacitance and insulation checks
Finished units are tested for capacitance, insulation and the applicable voltage requirement. Inspectors then match terminal spacing, body condition, markings and the main electrical results to the production model and shipment batch.
Manufacturing basis
In-house R&D for ceramic components
Wanping has an in-house R&D team and has produced ceramic and electro-vacuum components since 1966. Development can start from target circuit requirements, an existing model or a physical sample.
Sample and production control in one facility
Samples and production batches are made in the same facility, which covers more than 20,000 square metres. After sample approval, the confirmed dimensions and electrical specification are kept as the production reference.
FAQ
Q: What is the standard production lead time?
A: Existing products normally take about 20 to 40 days. The final schedule depends on the model, quantity and production loading at the time of the order.
Q: How are Ceralink capacitors protected during shipment?
A: Ceramic bodies and terminals are separated and cushioned inside the carton to prevent impact, movement and terminal bending. Customer-specified packing can also be used when it provides adequate protection for transport.
Q: Is this capacitor polarized?
A: No. Ceramic capacitors are non-polarized, so the terminals do not have positive and negative polarity. Installation must still remain within the stated voltage, frequency and temperature limits.
Q: Should the operating voltage be lower than the rated voltage?
A: Yes, the circuit should include a suitable margin for waveform, temperature, frequency and pulse conditions. Do not rely on the nameplate voltage alone without checking the actual electrical stress.
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