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Equivalent & Substitute Parts for 0603J0160331MXT
Part Overview
The 0603J0160331MXT is a 330 pF ±20% 16V ceramic capacitor manufactured by Knowles Syfer in 0603 (1608 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) features X7R temperature coefficient and operates across -55°C to 125°C. The part is active and in production with 719 units currently in stock. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific performance requirements where voltage rating, tolerance, or temperature coefficient specifications differ from the original design.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 0603J0160331MXT |
| Manufacturer | Knowles Syfer |
| Capacitance | 330 pF |
| Tolerance | ±20% |
| Voltage - Rated | 16V |
| Temperature Coefficient | X7R |
| Operating Temperature Range | -55°C to 125°C |
| Package / Case | 0603 (1608 Metric) |
| Mounting Type | Surface Mount, MLCC |
| Size / Dimension | 0.063" L x 0.031" W (1.60mm x 0.80mm) |
| Thickness (Max) | 0.031" (0.80mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following criteria:
Mechanical Compatibility: All substitute parts maintain the 0603 (1608 Metric) package footprint and surface mount mounting type, ensuring PCB layout compatibility.
Electrical Compatibility: Substitute parts share the 330 pF capacitance value. Voltage rating, tolerance, and temperature coefficient may vary based on application requirements. Parts with equal or higher voltage ratings are electrically compatible with the original 16V specification. Temperature coefficient X7R or C0G/NP0 are both acceptable for general purpose and bypass/decoupling applications.
Environmental Compliance: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, matching the original part's regulatory requirements.
Substitution Categories:
- Direct Equivalents: Identical electrical specifications (330 pF, ±20%, 16V, X7R)
- Manufacturer Recommended Upgrades: Higher voltage rating (100V) with improved tolerance (±1% or ±5%) and C0G/NP0 temperature coefficient
- Functional Upgrades: Higher voltage ratings (25V, 50V, 100V) with X7R or C0G/NP0 temperature coefficient and improved tolerance (±5% or ±10%)
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance | Tolerance | Voltage - Rated | Temperature Coefficient | Package / Case | Thickness (Max) | RoHS Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|
| 0603J0160331MXT | Knowles Syfer | 330 pF | ±20% | 16V | X7R | 0603 (1608 Metric) | 0.031" (0.80mm) | ROHS3 Compliant | 719 Pcs |
| 0603J1000331FCT | Knowles Syfer | 330 pF | ±1% | 100V | C0G, NP0 (1B) | 0603 (1608 Metric) | 0.031" (0.80mm) | ROHS3 Compliant | 8890 Pcs |
| 0603J1000331JCT | Knowles Syfer | 330 pF | ±5% | 100V | C0G, NP0 (1B) | 0603 (1608 Metric) | 0.031" (0.80mm) | ROHS3 Compliant | 8839 Pcs |
| KGM15AR71C331MT | KYOCERA AVX | 330 pF | ±20% | 16V | X7R | 0603 (1608 Metric) | 0.035" (0.90mm) | ROHS3 Compliant | 1029 Pcs |
| C0603C331J5RAC7867 | KEMET | 330 pF | ±5% | 50V | X7R | 0603 (1608 Metric) | 0.034" (0.87mm) | ROHS3 Compliant | 1560 Pcs |
| C0603C331K1RAC7867 | KEMET | 330 pF | ±10% | 100V | X7R | 0603 (1608 Metric) | 0.034" (0.87mm) | ROHS3 Compliant | 102053 Pcs |
| C0603C331K3RAC7867 | KEMET | 330 pF | ±10% | 25V | X7R | 0603 (1608 Metric) | 0.034" (0.87mm) | ROHS3 Compliant | 8855 Pcs |
| C0603C331K4RAC7867 | KEMET | 330 pF | ±10% | 16V | X7R | 0603 (1608 Metric) | 0.034" (0.87mm) | ROHS3 Compliant | 10005 Pcs |
| C0603C331K5RAL7867 | KEMET | 330 pF | ±10% | 50V | X7R | 0603 (1608 Metric) | 0.034" (0.87mm) | RoHS non-compliant | 934 Pcs |
| CC0603JRX7R9BB331 | YAGEO | 330 pF | ±5% | 50V | X7R | 0603 (1608 Metric) | 0.035" (0.90mm) | ROHS3 Compliant | 10083 Pcs |
| CC0603KRX7R0BB331 | YAGEO | 330 pF | ±10% | 100V | X7R | 0603 (1608 Metric) | 0.035" (0.90mm) | ROHS3 Compliant | 27730 Pcs |
Engineering Selection Recommendations
Direct Equivalent Selection: KGM15AR71C331MT (KYOCERA AVX) provides identical electrical specifications (330 pF, ±20%, 16V, X7R) with equivalent performance to the original part. This option is suitable for direct replacement where supply constraints on the Knowles Syfer part exist.
Manufacturer Recommended Upgrades: 0603J1000331FCT and 0603J1000331JCT from Knowles Syfer offer higher voltage rating (100V) with improved tolerance (±1% and ±5% respectively) and C0G/NP0 temperature coefficient. These parts are recommended where circuit design permits higher voltage operation and tighter capacitance tolerance is beneficial.
ROHS3 Compliant Functional Upgrades: C0603C331K1RAC7867 (KEMET, 100V, ±10%, X7R) and CC0603KRX7R0BB331 (YAGEO, 100V, ±10%, X7R) provide high inventory availability and ROHS3 compliance. These are suitable for applications requiring higher voltage margin and general purpose bypass/decoupling functions.
Voltage-Specific Selections: C0603C331K3RAC7867 (KEMET, 25V, ±10%, X7R) and C0603C331J5RAC7867 (KEMET, 50V, ±5%, X7R) are appropriate where intermediate voltage ratings align with circuit requirements and improved tolerance is desired.
Avoid: C0603C331K5RAL7867 (KEMET) is RoHS non-compliant and should not be selected for new designs or applications requiring ROHS3 compliance.
Frequently Asked Questions (FAQ)
Q: Can I use a substitute part with higher voltage rating than the original 16V specification?
A: Yes. All substitute parts with equal or higher voltage ratings (25V, 50V, 100V) are electrically compatible with the original 16V design. Higher voltage rating provides additional safety margin and does not degrade circuit performance in bypass or decoupling applications.
Q: What is the difference between X7R and C0G/NP0 temperature coefficients?
A: X7R temperature coefficient provides ±15% capacitance change across -55°C to 125°C operating range. C0G/NP0 provides ±30 ppm/°C, resulting in minimal capacitance drift across temperature. Both are acceptable for general purpose applications; C0G/NP0 is preferred where temperature stability is critical.
Q: Are all substitute parts mechanically compatible with the original 0603 footprint?
A: Yes. All substitute parts use 0603 (1608 Metric) package with surface mount mounting type. Thickness variations (0.031" to 0.035") are within standard PCB assembly tolerances and do not affect placement or soldering.
Q: Which substitute offers the best tolerance specification?
A: 0603J1000331FCT (Knowles Syfer, ±1%) provides the tightest tolerance. For general purpose applications, ±5% tolerance (0603J1000331JCT, C0603C331J5RAC7867, CC0603JRX7R9BB331) is adequate and more widely available.
Q: What is the inventory advantage of selecting substitute parts?
A: C0603C331K1RAC7867 (KEMET) has 102,053 units in stock, providing significant supply security compared to the original part's 719 units. CC0603KRX7R0BB331 (YAGEO) has 27,730 units available.
Q: Are all substitute parts ROHS3 compliant?
A: All substitute parts except C0603C331K5RAL7867 are ROHS3 compliant. For new designs, select only ROHS3 compliant alternatives.
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