ECU-S1J222JCB - 2200pF 63V 5% Ceramic Capacitor | Panasonic
MPN: ECU-S1J222JCB ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.32 | $0.32 |
| 10 | $0.28 | $2.80 |
| 100 | $0.22 | $22.00 |
| 500 | $0.17 | $85.00 |
| 1,000 | $0.13 | $130.00 |
ECU-S1J222JCB Overview
A ceramic capacitor is a passive two-terminal electronic component built from alternating layers of ceramic dielectric and metal electrodes. Within the broader passive-component taxonomy, ceramic capacitors sit alongside electrolytic and film capacitors, and they are further sub-categorized into Class 1 (C0G/NP0, high stability) and Class 2/3 (X7R, X5R, Y5V, X5J - higher volumetric efficiency). The ECU-S1J222JCB belongs to the Class 2 family, where X5J is one of several EIA temperature-characteristic codes that defines the capacitance change over the operating temperature range.
Key features include the 63 V rated DC working voltage that exceeds the requirement of most 5 V and 12 V digital rails by a comfortable safety factor, the ±5% tolerance that delivers more accurate capacitance than the typical ±10% or ±20% Class 2 parts, and the monolithic construction that reduces equivalent series resistance (ESR) and equivalent series inductance (ESL) versus older leaded ceramic disc parts. The SMD package supports automated pick-and-place assembly.
From a technical depth perspective, the X5J dielectric balances volumetric efficiency with moderate temperature stability, making this part well suited for bypass and decoupling where ±10% capacitance drift over temperature is acceptable. The 63 V rating also provides ample margin against transient spikes in 12 V or 24 V automotive/industrial buses, so the part can be used in primary-side filter positions where lower-rated ceramic caps would fail.
Typical applications include general-purpose bypass on MCU power pins, RC timing networks where the 5% tolerance matters, analog filter sections in audio and sensor front-ends, snubber networks across switching nodes, and bulk filter caps on low-current rails of industrial controllers. The small SMD footprint also supports high-density PCB layouts typical of modern IoT and consumer designs.
When designing with this part, confirm the actual SMD land pattern from the Panasonic ECU-S1 series drawing before laying out the PCB footprint, since several ECU-series codes share similar sizes. Also confirm whether your circuit requires X7R or C0G-grade stability before substituting an X5J part, because the X5J capacitance drift may be too large for precision timer or oscillator circuits.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single source for evaluating the ECU-S1J222JCB in new designs and field replacements.
Drop-in alternatives for ECU-S1J222JCB — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ECU-S1J222KCB
✅ Drop-In📋 Reference alternative (not in catalog)
ECU-S1J222GCB
✅ Drop-In📋 Reference alternative (not in catalog)
ECU-S1J222MCB
✅ Drop-In📋 Reference alternative (not in catalog)
ECU-V1J222JCB
✅ Drop-In📋 Reference alternative (not in catalog)
GRM188R71H222JA01D
✅ Drop-In📋 Reference alternative (not in catalog)
ECU-S1J222JCB Maximum Ratings & Electrical Characteristics
| Capacitance | 2200 pF (2.2 nF) |
| Capacitance Tolerance | ±5% |
| Rated Voltage (DC) | 63 V |
| Dielectric Characteristic | X5J |
| Construction | Monolithic Ceramic Chip |
| Package Type | SMD / ECU-S1 series |
| Mounting Type | Surface Mount |
| Temperature Coefficient | X5J (±5% over -25C to +85C, typical) |
ECU-S1J222JCB smd / ecu-s1 series Pin Configuration Guide
Pin configuration for ECU-S1J222JCB (smd / ecu-s1 series 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 ECU-S1J222JCB.
Refer to the datasheet for full pin configuration.
Typical Applications
ECU-S1J222JCB is suitable for 6 applications: General-Purpose Bypass / Decoupling, RC Timing Networks, Audio Coupling and Filter Networks, Snubber Networks Across Switching Nodes, Sensor Signal Filtering, Automotive 12 V Bus Decoupling.
General-Purpose Bypass / Decoupling
The ECU-S1J222JCB's 2200 pF capacitance, 63 V rating, and ±5% tolerance make it well suited for general-purpose bypass and decoupling on digital and analog signal lines. The 2200 pF value shunts high-frequency noise above its self-resonant point while the 63 V rating provides ample margin on 5 V, 12 V, and 24 V rails. Compared to higher-CV X7R parts, the X5J dielectric keeps cost low for non-critical rails, and the SMD package fits compact IoT and consumer layouts. Place one near each IC power pin as part of a multi-cap network.
Recommended
RC Timing Networks
The ECU-S1J222JCB's ±5% tolerance supports RC timing circuits where the tighter tolerance improves timing accuracy versus typical ±10% or ±20% X7R/Y5V parts. With a 10 kΩ series resistance the 2200 pF capacitance produces a 22 µs time constant (T = RC), suitable for debounce delays, monostable pulse generation, and oscillator start-up networks. The 63 V rating also provides large voltage margin for timing circuits across switching node swings. Use metal-film resistors paired with this cap for best temperature tracking.
Recommended
Audio Coupling and Filter Networks
The ECU-S1J222JCB's 2200 pF value and 63 V rating make it useful for audio coupling and crossover filter networks in consumer audio amplifiers. Paired with a 10 kΩ source impedance, the 2.2 nF capacitance forms a high-pass corner near 7.2 kHz, well suited for tweeter crossover sections in 2-way and 3-way speaker designs. The X5J tolerance and ceramic construction provide low distortion versus electrolytic coupling caps, and the SMD package supports automated assembly on compact audio PCBs.
Recommended
Snubber Networks Across Switching Nodes
The ECU-S1J222JCB's 63 V rating provides ample margin for snubber networks across switching transistors, relays, and small motor drivers in industrial controls. The cap absorbs voltage spikes and reduces EMI by slowing the dv/dt across the switch. The X5J dielectric handles the repetitive high-frequency currents typical of snubber duty, and the 2200 pF value is a useful starting point for low-power switching stages below 1 A. Verify the actual dv/dt and current through the area.
Recommended
Sensor Signal Filtering
The ECU-S1J222JCB works as part of low-pass RC filters at sensor outputs in industrial and automotive sensor front-ends. With a 1 kΩ series resistance the 2200 pF capacitance gives a 1.4 kHz cutoff, suitable for filtering PWM outputs, encoder signals, and switch debounce. The ±5% tolerance helps maintain predictable filter response versus commodity X7R parts, and the 63 V rating handles sensor supply rails up to 24 V industrial buses with margin.
Recommended
Automotive 12 V Bus Decoupling
The ECU-S1J222JCB's 63 V rating provides substantial margin for decoupling across 12 V automotive bus rails including load-dump transients up to 35-40 V. The X5J dielectric operates across the typical automotive -40C to +85C underhood environment, and the SMD package supports high-volume automated assembly. The 2200 pF value complements bulk filter caps at the ECU power input, providing high-frequency bypass between the bulk and the MCU rails.
Recommended
Recommended Products Summary
Engineering reference data for ECU-S1J222JCB — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ECU-S1J222KCB | ECU-S1J222GCB | ECU-S1J222MCB | ECU-V1J222JCB | GRM188R71H222JA01D |
|---|---|---|---|---|---|---|
| Brand | Panasonic | Panasonic | Panasonic | Panasonic | Panasonic | Murata |
| Package | ECU-S1 SMD | ECU-S1 SMD - same | ECU-S1 SMD - same | ECU-S1 SMD - same | ECU-V1 SMD - different case code (larger) | 0603 (1608 metric) - similar footprint |
| Capacitance | 2200 pF | 2200 pF | 2200 pF | 2200 pF | 2200 pF | 2200 pF |
| Rated Voltage (DC) | 63 V | 63 V | 63 V | 63 V | 63 V | 50 V |
| Capacitance Tolerance | ±5% | ±10% | ±2% | ±20% | ±5% | ±5% |
| Dielectric | X5J | X5J | X5J | X5J | X5J | X7R |
| Mounting Type | SMD | SMD | SMD | SMD | SMD | SMD |
| Unit Price (qty 1, USD) | $0.32 | $0.26 | $0.42 | $0.21 | $0.34 | $0.18 |
Key Differentiators
- Tighter ±5% capacitance tolerance within ECU-S1 series (vs ECU-S1J222MCB)
- Lower cost with same key ratings as tighter ±2% alternative (vs ECU-S1J222GCB)
- Cross-brand 50 V alternative available for 5 V-only rails (vs GRM188R71H222JA01D)
Design Notes
Place the ECU-S1J222JCB as close to the IC power pin or signal node as practical to minimize the high-frequency impedance between the cap and the protected device. Keep trace lengths under 3 mm where possible, and use a via-in-pad or short trace from the cap to a solid ground/power plane. The ECU-S1 case code has specific pad dimensions in the Panasonic ECU-S1 series datasheet - verify your PCB land pattern against the official drawing before laying out the footprint to avoid tombstoning or solder joint reliability issues during high-volume production.
For bypass applications on multi-rail designs, pair the ECU-S1J222JCB (2200 pF) with a larger bulk cap such as 0.1 uF or 1 uF on the same rail. The 2200 pF value shunts mid-frequency noise while the larger cap handles low-frequency ripple. Keep the two caps close together and route both with short, wide traces to the IC. This multi-cap network is the standard bypass topology recommended in Panasonic ECU-S1 series reference designs and reduces power-rail impedance across a much wider frequency range than a single cap alone.
Do not substitute the ECU-S1J222JCB (X5J dielectric) into precision timer or oscillator circuits that require C0G/NP0 or X7R stability - the X5J tolerance can drift more over temperature than those designs can tolerate. Also note that all ceramic caps exhibit piezoelectric effects and may produce small AC voltages under mechanical stress or audio-range vibration; if your circuit is sensitive to microphonics, choose C0G/NP0 dielectric instead. Always derate the working voltage to at least 50% of the 63 V rating for long-term reliability.
Compliance Information
Compliance data not present in verified web data. RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-mineral status should be confirmed from the official Panasonic ECU-S1 series datasheet or Panasonic product compliance page before specifying in regulated designs.
