HT55BN331JN Equivalent & Substitute Parts

Part Overview

The HT55BN331JN is a 330 pF ceramic capacitor manufactured by KEMET, rated for 50V with C0G/NP0 temperature coefficient and high-temperature operation from -55°C to 200°C. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The part is mounted through-hole with radial lead configuration and is suitable for general-purpose applications requiring stable capacitance across temperature extremes.

Substiute Parts

HT55BN331JN

KEMETIn Stock: 997HT55BN331JN Datasheet

Current PartRFQ

1C20C0G331J050B

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 102631C20C0G331J050B Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HT55BN331JN is determined by strict equivalence across the following parameters:

Critical Matching Parameters:

• Capacitance value: 330 pF (exact match required)
• Voltage rating: 50V minimum (equal or higher acceptable)
• Temperature coefficient: C0G/NP0 (exact match required for frequency stability)
• Tolerance: ±5% or tighter (ensures circuit performance consistency)
• Mounting configuration: Through-hole radial (physical PCB compatibility)
• Lead spacing: 0.200" (5.08mm) (footprint compatibility)

Acceptable Variation Parameters:

• Operating temperature range: Substitute minimum range must encompass the application's required operating window
• Physical dimensions: Minor variations in body size and height are acceptable provided lead spacing remains constant
• Product status: Active-status parts are preferred for long-term availability

The substitute part 1C20C0G331J050B meets all critical matching parameters and is therefore classified as a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

The 1C20C0G331J050B from Vishay Beyschlag/Draloric/BC Components is a direct functional equivalent to the obsolete HT55BN331JN. Selection of this substitute is supported by the following factors:

Electrical Equivalence: All critical electrical parameters match exactly: 330 pF capacitance, 50V voltage rating, C0G/NP0 temperature coefficient, and ±5% tolerance. These parameters ensure identical circuit performance in applications where the original part was specified.

Physical Compatibility: Lead spacing of 0.200" (5.08mm) and radial through-hole mounting configuration provide direct PCB footprint compatibility without layout modification.

Product Status: The substitute part maintains active manufacturing status with 10,204 units in stock, ensuring procurement continuity and long-term availability compared to the obsolete original.

Compliance Certifications: The substitute part carries RoHS3 compliance and REACH unaffected status, meeting current regulatory requirements.

Temperature Range Consideration: The substitute operates across -55°C to 125°C, which is narrower than the original -55°C to 200°C range. Applications requiring operation above 125°C must evaluate alternative sources or confirm that the narrower range is acceptable for the intended use case.

Frequently Asked Questions (FAQ)

Q: Can the 1C20C0G331J050B be used as a direct replacement for the HT55BN331JN without circuit modification?

A: Yes, for applications operating within the -55°C to 125°C temperature range. The substitute matches all critical electrical and physical parameters: capacitance, voltage rating, temperature coefficient, tolerance, lead spacing, and mounting configuration. No PCB layout changes are required.

Q: What is the primary difference between these two parts?

A: The operating temperature range differs. The original HT55BN331JN supports -55°C to 200°C, while the substitute 1C20C0G331J050B supports -55°C to 125°C. If your application requires operation above 125°C, the substitute is not suitable without additional evaluation.

Q: Are there any compliance or regulatory differences?

A: The substitute part (1C20C0G331J050B) carries RoHS3 compliance and REACH unaffected status. The original part's compliance status was not provided in the available data. For applications subject to RoHS or REACH requirements, the substitute meets current regulatory standards.

Q: Will the physical dimensions affect PCB assembly?

A: The lead spacing remains identical at 0.200" (5.08mm), ensuring footprint compatibility. The substitute body dimensions are slightly larger (0.200" L x 0.125" W versus 0.200" L x 0.100" W), and seated height is 0.250" versus 0.200". These dimensional differences do not affect electrical performance or standard PCB assembly processes.

Q: Is the substitute part readily available?

A: Yes. The 1C20C0G331J050B has 10,204 units in stock and maintains active product status, providing superior availability compared to the obsolete original part.

Q: What does C0G/NP0 temperature coefficient mean for substitution purposes?

A: C0G and NP0 are equivalent designations for the same temperature coefficient characteristic, indicating minimal capacitance variation across the operating temperature range. Both the original and substitute parts use this specification, ensuring stable circuit performance across temperature extremes within their respective operating ranges.