EMCT500G331M1GF001B Equivalent & Substitute Parts

Part Overview

The EMCT500G331M1GF001B is a 330 pF ceramic capacitor manufactured by Johanson Dielectrics Inc., rated for 50V operation with C0G/NP0 temperature coefficient characteristics. This component is designed for bypass and decoupling applications in surface mount configurations using the 0805 (2012 Metric) package format. The part is currently Active in product status with 1,095 units in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and functional requirements.

Substiute Parts

EMCT500G331M1GF001B

Johanson Dielectrics Inc.In Stock: 1129EMCT500G331M1GF001B Datasheet

Current PartRFQ

C0805X331J5GAC7800

KEMETIn Stock: 7333C0805X331J5GAC7800 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EMCT500G331M1GF001B is determined by strict equivalence in the following parameters:

• Capacitance Value: 330 pF (exact match required)
• Voltage Rating: 50V (minimum requirement; higher ratings are acceptable)
• Temperature Coefficient: C0G/NP0 (required for stability across operating temperature range)
• Package Format: 0805 (2012 Metric) surface mount configuration
• Operating Temperature Range: -55°C to 125°C (minimum requirement)
• Compliance Standards: ROHS3 Compliant, REACH Unaffected, EAR99 classification

The tolerance specification (±20% for the main part) is not a limiting factor for substitution, as tighter tolerances (such as ±5%) represent improved performance characteristics and remain functionally compatible. Substitute parts must maintain all electrical and mechanical parameters within the specified ranges to ensure circuit functionality and reliability.

Parameter Comparison

Engineering Selection Recommendations

Both the EMCT500G331M1GF001B and C0805X331J5GAC7800 are Active products with full ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements for electronic component manufacturing and distribution. The substitute part C0805X331J5GAC7800 offers improved tolerance specification (±5% versus ±20%), which provides tighter capacitance accuracy without compromising electrical or mechanical compatibility.

Physical dimensions remain within acceptable tolerances for 0805 package footprints, with the KEMET substitute exhibiting slightly reduced thickness (0.035" versus 0.040"), which may provide advantages in space-constrained applications. Both components maintain identical voltage ratings, temperature coefficients, and operating temperature ranges, ensuring functional equivalence in bypass and decoupling circuit applications.

Selection between these parts should be based on availability, lead time, cost considerations, and specific tolerance requirements of the target application. The substitute part does not introduce any compliance or reliability concerns relative to the original specification.

Frequently Asked Questions (FAQ)

Q: Can the C0805X331J5GAC7800 be used as a direct replacement for the EMCT500G331M1GF001B?

A: Yes. Both components share identical capacitance (330 pF), voltage rating (50V), temperature coefficient (C0G/NP0), operating temperature range (-55°C to 125°C), and package format (0805 2012 Metric). The substitute part meets all electrical and mechanical requirements for direct substitution in bypass and decoupling applications.

Q: What is the significance of the tolerance difference between ±20% and ±5%?

A: Tolerance specifies the allowable deviation of actual capacitance from the nominal 330 pF value. The ±20% tolerance permits values between 264 pF and 396 pF, while ±5% permits values between 313.5 pF and 346.5 pF. The tighter ±5% tolerance of the substitute part provides improved capacitance accuracy and is functionally compatible with applications designed for the ±20% specification.

Q: Are there any physical dimension concerns when substituting these parts?

A: Physical dimensions are within acceptable tolerances for 0805 package footprints. The substitute part exhibits slightly smaller length (0.079" versus 0.080") and width (0.049" versus 0.050"), with reduced thickness (0.035" versus 0.040"). These variations remain within standard 0805 package specifications and do not affect PCB footprint compatibility or soldering processes.

Q: Do both parts meet current compliance and regulatory requirements?

A: Yes. Both the EMCT500G331M1GF001B and C0805X331J5GAC7800 are ROHS3 Compliant, REACH Unaffected, and classified as EAR99 for export control purposes. Both maintain Moisture Sensitivity Level 1 (Unlimited), indicating no special handling requirements during storage or assembly.

Q: What applications are suitable for these capacitors?

A: Both components are specified for bypass and decoupling applications. The C0G/NP0 temperature coefficient ensures stable capacitance across the -55°C to 125°C operating range, making these parts suitable for precision analog circuits, power supply filtering, and high-frequency signal conditioning where temperature stability is required.

Q: Is the KEMET substitute part available in different packaging formats?

A: The C0805X331J5GAC7800 is available in Tape & Reel (TR) packaging format. Packaging format selection should be based on assembly process requirements and volume considerations for production environments.