QMJ212KB7102KDHT Equivalent & Substitute Parts

Part Overview

The QMJ212KB7102KDHT is a 1000 pF ceramic capacitor rated at 250V with X7R temperature coefficient, manufactured by Taiyo Yuden in 0805 (2012 Metric) surface mount package. This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. The part carries AEC-Q200 automotive qualification and is RoHS3 compliant with MSL 1 moisture sensitivity rating.

Identification of equivalent and substitute parts is necessary due to the product's discontinued status for new design applications. Substitute parts maintain identical electrical and mechanical specifications while offering active product status and continued availability.

Substiute Parts

QMJ212KB7102KDHT

Taiyo YudenIn Stock: 4994QMJ212KB7102KDHT Datasheet

Current PartRFQ

MCJCQ219NB7102KTPA01

Taiyo YudenIn Stock: 1111MCJCQ219NB7102KTPA01 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the QMJ212KB7102KDHT is determined by strict equivalence across the following parameters:

• Capacitance Value: 1000 pF (exact match required)
• Voltage Rating: 250V (exact match required)
• Temperature Coefficient: X7R (exact match required)
• Tolerance: ±10% (exact match required)
• Package Type: 0805 (2012 Metric) surface mount (exact match required)
• Physical Dimensions: 0.079" L x 0.049" W x 0.037" max thickness (exact match required)
• Termination Style: Soft Termination (exact match required)
• Compliance Standards: AEC-Q200 automotive qualification, RoHS3 compliance (exact match required)
• Operating Temperature Range: -55°C ~ 125°C (exact match required)

The substitute part MCJCQ219NB7102KTPA01 meets all specified parameters and maintains full electrical and mechanical compatibility with the original part number.

Parameter Comparison

Engineering Selection Recommendations

The MCJCQ219NB7102KTPA01 is the direct substitute for QMJ212KB7102KDHT applications. Selection of the substitute part is based on the following engineering criteria:

Product Status Alignment: The original part QMJ212KB7102KDHT carries a Not For New Designs status, indicating manufacturer discontinuation for new applications. The substitute MCJCQ219NB7102KTPA01 maintains Active product status, ensuring continued availability and manufacturer support.

Compliance and Certification: Both parts carry identical AEC-Q200 automotive qualification and RoHS3 compliance certifications, confirming suitability for automotive and regulated applications.

Electrical Equivalence: All electrical parameters are identical, including capacitance value, voltage rating, temperature coefficient, tolerance, and operating temperature range. No circuit performance variation occurs with substitution.

Mechanical Compatibility: Physical dimensions, package type, and mounting characteristics are identical. Direct board-level substitution is possible without PCB redesign or assembly process modification.

Moisture Handling: Both parts carry MSL 1 (Unlimited) moisture sensitivity rating, indicating identical moisture handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can MCJCQ219NB7102KTPA01 be used as a direct replacement for QMJ212KB7102KDHT?

A: Yes. The substitute part meets all electrical and mechanical specifications of the original part. Capacitance, voltage rating, temperature coefficient, package dimensions, and compliance certifications are identical. Direct substitution is possible without circuit modification or board redesign.

Q: What is the primary reason for substitution?

A: The QMJ212KB7102KDHT is classified as Not For New Designs by the manufacturer. The MCJCQ219NB7102KTPA01 is an Active product offering continued availability and manufacturer support for new applications.

Q: Are there any differences in physical dimensions between the two parts?

A: No. Both parts are 0805 (2012 Metric) package with identical dimensions of 0.079" L x 0.049" W and maximum thickness of 0.037" (0.95mm). PCB footprints and assembly processes remain unchanged.

Q: Do both parts meet automotive qualification standards?

A: Yes. Both QMJ212KB7102KDHT and MCJCQ219NB7102KTPA01 carry AEC-Q200 automotive qualification ratings and are suitable for automotive applications.

Q: Is there any difference in moisture sensitivity handling?

A: No. Both parts carry MSL 1 (Unlimited) moisture sensitivity level, indicating identical moisture handling, storage, and reflow requirements.

Q: What is the operating temperature range for both parts?

A: Both parts operate across the identical temperature range of -55°C to 125°C with X7R temperature coefficient, ensuring stable capacitance across the full operating range.

Q: Are both parts RoHS compliant?

A: Yes. Both QMJ212KB7102KDHT and MCJCQ219NB7102KTPA01 are RoHS3 compliant, meeting environmental and regulatory requirements.

Q: Can the substitute part be used in existing designs without modification?

A: Yes. The substitute part is electrically and mechanically equivalent. Existing designs using QMJ212KB7102KDHT can incorporate MCJCQ219NB7102KTPA01 without circuit or PCB modifications.