VJ1206A100KBCAT4X - 10pF 200V C0G 1206 High-Voltage MLCC | Vishay
MPN: VJ1206A100KBCAT4X ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.097 | $0.10 |
| 10 | $0.085 | $0.85 |
| 100 | $0.068 | $6.80 |
| 500 | $0.052 | $26.00 |
| 1,000 | $0.041 | $41.00 |
| 4,000 | $0.034 | $136.00 |
VJ1206A100KBCAT4X Overview
A Class-1 ceramic capacitor such as C0G/NP0 is the gold-standard passive component for applications where capacitance stability, low loss, and high insulation resistance are mandatory. C0G parts are commonly placed in resonant circuits, RF filters, precision analog filters, sample-and-hold networks, and high-impedance timing circuits where any capacitance shift would detune the circuit or inject noise. The 1206 case size is the mid-range EIA footprint, offering higher voltage and energy handling than 0402/0603/0805 while still reflowing with standard surface-mount profiles.
The headline specifications of 10 pF capacitance, ±10% tolerance, 200 V rated voltage, and C0G dielectric make this part suited to RF coupling/bypass, snubber networks, and high-voltage analog front ends. The 1206 (3.20 × 1.60 mm) footprint allows higher voltage-withstand than smaller 0805 (200 V) or 0603 (200 V) equivalents at comparable capacitance values, because the dielectric layer spacing and electrode overlap area are larger. Insulation resistance is ≥100 GΩ or 1000 Ω-Farads per EIA standard, and the dissipation factor is ≤0.1% at 1 MHz 1 Vrms.
Key applications for VJ1206A100KBCAT4X include RF and microwave signal-chain coupling, DC blocking in high-voltage analog front ends, snubber networks across switching power devices, sample-and-hold capacitors in precision ADCs, and crystal/oscillator load capacitors. Compared to Class-2 ceramics (X7R, X5R), C0G exhibits no piezoelectric microphony effect, making it preferable in low-noise audio and instrumentation amplifier circuits.
When designing with this device, derate a margin against the 200 V rating to extend reliability - typically 50% voltage derating (i.e. operating below 100 V) for long-life industrial applications. The 1206 footprint supports hand-soldering and standard reflow profiles (peak 260°C per JEDEC J-STD-020). No polarity is required and the termination finish is nickel-barrier with matte-tin plating compatible with lead-free reflow.
This page synthesizes Vishay datasheet specifications, current distributor pricing from DigiKey and Mouser, drop-in footprint-compatible alternatives from competing manufacturers, and practical design considerations not found on the manufacturer product page alone.
Drop-in alternatives for VJ1206A100KBCAT4X — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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VJ1206A100KBCAT4X Maximum Ratings & Electrical Characteristics
| Capacitance | 10 pF |
| Capacitance Tolerance | ±10% |
| Voltage Rating (DC) | 200 V |
| Dielectric / Temperature Coefficient | C0G, NP0 (0 ±30 ppm/°C) |
| Package / Case | 1206 (3216 metric) |
| Length | 3.20 mm (0.126 in) |
| Width | 1.60 mm (0.063 in) |
| Thickness (Max) | 1.70 mm (0.067 in) |
| Operating Temperature | -55°C to +125°C |
| Dissipation Factor | ≤0.1% at 1 MHz, 1 Vrms |
| Insulation Resistance | ≥100 GΩ or 1000 Ω-F (per EIA) |
| Mounting Type | Surface Mount |
| Termination Finish | Nickel barrier with matte tin (lead-free) |
| Packaging | Tape & Reel, 7-inch (T4X = 4 mm pitch) |
| RoHS Status | Compliant |
| AEC-Q200 Qualified | Not stated in provided data |
VJ1206A100KBCAT4X 1206 (3216 metric) Pin Configuration Guide
Pin configuration for VJ1206A100KBCAT4X (1206 (3216 metric) package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for VJ1206A100KBCAT4X.
Refer to the datasheet for full pin configuration.
Typical Applications
VJ1206A100KBCAT4X is suitable for 6 applications: RF and Microwave Signal-Chain Coupling, High-Voltage DC Blocking, Snubber Networks Across Switching Devices, Sample-and-Hold and Precision ADC Capacitors, Crystal and Oscillator Load Capacitors, Industrial High-Voltage Bypass and Filtering.
RF and Microwave Signal-Chain Coupling
The VJ1206A100KBCAT4X is a strong fit for RF coupling stages because its 10 pF capacitance and C0G/NP0 dielectric deliver flat frequency response with no self-resonance peak shift and minimal loss above 1 GHz. The C0G dielectric's 0 ±30 ppm/°C temperature coefficient keeps capacitance stable across the -55°C to +125°C operating range, preventing gain or filter detuning with ambient temperature swings. The 200 V rating also protects the part against ESD events on antenna lines - it can survive ±15 kV air-discharge transients that would puncture smaller MLCCs. With its compact 1206 footprint, the part fits easily into RF chain layouts between the antenna, LNA, and mixer stages.
Recommended
High-Voltage DC Blocking
In high-voltage analog front ends and pulse circuits, the VJ1206A100KBCAT4X blocks DC while passing AC signals up to its 200 V working limit. Its C0G dielectric exhibits zero piezoelectric microphony - a critical property when the part is placed near sensitive analog amplifiers or analog-to-digital converters where vibration would otherwise inject noise. The 200 V rating also makes it suitable for DC blocking on the high-side of op-amp circuits powered from ±100 V rails such as piezo drivers and ultrasound transducers. Place it on the input pin of an op-amp to set the high-pass corner: f_c = 1/(2π × 10 pF × R_source).
Recommended
Snubber Networks Across Switching Devices
The VJ1206A100KBCAT4X is well suited as an RC snubber across switching power devices such as MOSFETs, IGBTs, and relay contacts. Its 10 pF capacitance combines with a series resistor (often 10-100 Ω) to damp the LC resonance formed by the device output capacitance and stray circuit inductance, suppressing voltage spikes and ringing. The C0G dielectric is critical here because Class-2 X7R parts would shift capacitance under the high dV/dt of switching transients and lose snubbing effectiveness. The 200 V rating handles the inductive kick of small relays and solenoids safely.
Recommended
Sample-and-Hold and Precision ADC Capacitors
In precision data-acquisition circuits, the VJ1206A100KBCAT4X can serve as a small hold capacitor or charge reservoir on the input of a sample-and-hold amplifier. C0G/NP0 is mandatory here because its voltage coefficient is essentially zero - the capacitance does not change with the sampled voltage, eliminating harmonic distortion in the held value. With 10 pF and 200 V tolerance, the part can store up to 2 nC of charge per volt of input swing. The 1206 footprint is large enough to minimize leakage but small enough to fit on densely populated ADC input boards.
Recommended
Crystal and Oscillator Load Capacitors
Quartz crystal oscillators and ceramic resonators require small load capacitors whose absolute value sets the load resonance and a tuning capacitor on the crystal's load capacitance value in ppm. The VJ1206A100KBCAT4X (10 pF ±10%) is appropriate for crystals with load capacitances in the 8-12 pF range when paired with a trim capacitor. C0G/NP0 dielectric is required because any temperature drift in CL would detune the oscillator and shift the output frequency, violating FCC spectral masks in radio designs. The 1206 case provides stable mechanical mounting for vibration-sensitive applications.
Recommended
Industrial High-Voltage Bypass and Filtering
In industrial control electronics and instrumentation, the VJ1206A100KBCAT4X serves as a high-voltage bypass capacitor on power rails where lower-voltage MLCCs would fail. Its 200 V rating accommodates industrial 24 V, 48 V, and even 100 V DC bus systems with substantial margin. C0G dielectric ensures no capacitance loss at high DC bias - unlike X7R which can lose 50% or more. The part is also immune to flex cracking because the 1206 case is less stressed than smaller 0402/0603 parts on flexed PCBs typical of industrial connectors and edge-mounted modules.
Recommended
Recommended Products Summary
Engineering reference data for VJ1206A100KBCAT4X — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | VJ1206A100JBCAT4X | VJ1206A100JBCAT2X | GRM1885C2D100KD01D | C1206C100KDM7 | 1206GA100KAT1A9 |
|---|---|---|---|---|---|---|
| Brand | Vishay Vitramon | Vishay Vitramon | Vishay Vitramon | Murata | KEMET | KYOCERA AVX |
| Package | 1206 (3216 metric) | 1206 (3216 metric) | 1206 (3216 metric) | 1206 (3216 metric) | 1206 (3216 metric) | 1206 (3216 metric) |
| Capacitance | 10 pF | 10 pF | 10 pF | 10 pF | 10 pF | 10 pF |
| Capacitance Tolerance | ±10% (K) | ±5% (J) - tighter | ±5% (J) - tighter | ±10% (K) | ±10% (K) | ±10% (K) |
| Voltage Rating (DC) | 200 V | 200 V | 200 V | 200 V | 200 V | 200 V |
| Dielectric / TC | C0G, NP0 | C0G, NP0 | C0G, NP0 | C0G | C0G, NP0 | C0G, NP0 |
| Operating Temperature | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C |
| RoHS / Lead-Free | RoHS compliant / lead-free | RoHS compliant / lead-free | RoHS compliant / lead-free | RoHS compliant / lead-free | RoHS compliant / lead-free | RoHS compliant / lead-free |
Key Differentiators
- Vishay VJ patented high-voltage arc-over prevention construction (vs GRM1885C2D100KD01D (Murata))
- ±10% tolerance vs tighter J (±5%) variant on same footprint (vs VJ1206A100JBCAT4X)
- Standard 1206 footprint with universal pad land pattern (vs C1206C100KDM7 (KEMET))
Design Notes
Do not substitute an X7R or X5R Class-2 MLCC for the VJ1206A100KBCAT4X in RF or precision analog circuits. Class-2 dielectrics lose 10-20% of nominal capacitance under DC bias (the so-called 'DC bias effect'), exhibit strong piezoelectric microphony, and shift capacitance ±15% over temperature. C0G/NP0 is mandatory for tuned circuits, sample-and-hold networks, and high-impedance analog filter stages where capacitance stability is critical to performance. According to Vishay's VJ datasheet family, C0G parts are rated to within ±30 ppm/°C across the full operating range.
Standard 1206 land pattern per IPC-7351: each pad approximately 1.6 mm × 1.0 mm with 0.8 mm spacing pad-to-pad on the PCB. Use Ni/Au or OSP surface finish for best solderability. Hand-soldering is acceptable using a temperature-controlled iron at 320-350°C with lead-free SAC305 solder. Avoid excessive flex on the PCB near the 1206 part - ceramic MLCCs can crack if the board is bent beyond approximately 5 mm deflection over 100 mm span.
Estimate: power dissipation from AC ripple current in a 10 pF C0G 1206 MLCC at 1 MHz and 1 Vrms is roughly I² × ESR where ESR is typically 0.05-0.1 Ω. For a 1 Vrms sine at 1 MHz, I ≈ 60 mA, so dissipation ≈ 0.5 mW - negligible. However, at RF (100 MHz) the ESR drops further and dissipation remains negligible. The C0G 1206 part is safe for any realistic signal-chain current. Ensure that the PCB copper pad area provides a thermal path; do not rely solely on the chip's small thermal mass.
Compliance Information
RoHS compliant per Vishay product page; lead-free matte-tin termination; halogen-free per Vishay statement. AEC-Q200 automotive qualification is not stated in the provided datasheet excerpt for this specific variant; for automotive grade, contact Vishay for the VJ1206A100KBCAT4X 'A' or AEC-Q200 suffix variant.
