Equivalent & Substitute Parts for 337RZM035M

Part Overview

The 337RZM035M is a 330 µF, 35 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as Active product status and is designed for general-purpose applications requiring polar electrolytic capacitance in through-hole mounting configurations. The RZM series offers a 3000-hour lifetime rating at 105°C with ±20% capacitance tolerance and 703 mOhm equivalent series resistance at 120 Hz.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the original specification, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

337RZM035M

Cornell Dubilier / Illinois CapacitorIn Stock: 1106337RZM035M Datasheet

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337KXM035M

Cornell Dubilier / Illinois CapacitorIn Stock: 982337KXM035M Datasheet

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ELXZ350ELL331MJ16S

Chemi-ConIn Stock: 2526ELXZ350ELL331MJ16S Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 337RZM035M are qualified based on the following criteria:

Electrical Parameters (Critical):

• Capacitance value: 330 µF (exact match required)
• Voltage rating: 35 V (exact match required)
• Capacitance tolerance: ±20% (exact match required)
• Polarization: Polar (exact match required)

Mechanical Parameters (Critical):

• Package type: Radial, Can (exact match required)
• Mounting type: Through Hole (exact match required)
• Lead spacing: 0.197" (5.00 mm) (exact match required)
• Case diameter: 0.394" (10.00 mm) (exact match required)
• Operating temperature range: -55°C to 105°C (exact match required)

Compliance Parameters:

• RoHS3 Compliant status (maintained across all substitutes)
• REACH Unaffected status (maintained across all substitutes)

Substitutes may differ in ESR values, lifetime ratings, ripple current specifications, and impedance characteristics, provided all critical electrical and mechanical parameters remain equivalent.

Parameter Comparison

Engineering Selection Recommendations

337KXM035M (Cornell Dubilier / Illinois Capacitor KXM Series)

This substitute maintains identical electrical and mechanical specifications to the 337RZM035M while offering improved performance characteristics. The KXM series provides reduced ESR (602.9 mOhm versus 703 mOhm) and extended lifetime (4000 hours versus 3000 hours at 105°C). Both components are manufactured by the same supplier, ensuring consistent quality and reliability. ROHS3 compliance and REACH Unaffected status are maintained. Height is reduced from 0.709" to 0.689", which may provide layout advantages in space-constrained applications.

ELXZ350ELL331MJ16S (Chemi-Con LXZ Series)

This substitute qualifies as an equivalent replacement based on matching all critical electrical and mechanical parameters. The Chemi-Con LXZ series offers the highest lifetime rating (5000 hours at 105°C) and lowest impedance (68 mOhms) among the three options. This component carries AEC-Q200 automotive qualification and is suitable for applications requiring enhanced reliability. Height matches the 337KXM035M at 0.689". ROHS3 compliance and REACH Unaffected status are maintained. ESR is not specified in the provided data.

All three components are Active product status and suitable for direct substitution in general-purpose applications requiring 330 µF, 35 V aluminum electrolytic capacitance in radial through-hole configuration.

Frequently Asked Questions (FAQ)

Q: Can the 337KXM035M be used as a direct replacement for the 337RZM035M?

A: Yes. Both components share identical capacitance (330 µF), voltage rating (35 V), tolerance (±20%), lead spacing (0.197"), case diameter (0.394"), operating temperature range (-55°C to 105°C), and mounting type (through-hole radial). The 337KXM035M offers improved ESR and lifetime characteristics. Height difference (0.689" versus 0.709") must be verified against PCB layout constraints.

Q: What are the key differences between the three substitute options?

A: All three components meet the critical electrical and mechanical specifications. Differences include: ESR values (703 mOhm, 602.9 mOhm, and unspecified), lifetime ratings (3000, 4000, and 5000 hours at 105°C), impedance (276, 120, and 68 mOhms), and manufacturer (Cornell Dubilier and Chemi-Con). The ELXZ350ELL331MJ16S includes AEC-Q200 automotive qualification.

Q: Are there any height compatibility issues when substituting these parts?

A: The 337RZM035M has a maximum seated height of 0.709" (18.00 mm). Both substitute options (337KXM035M and ELXZ350ELL331MJ16S) have reduced heights of 0.689" (17.50 mm). This reduction provides additional clearance and does not create compatibility issues. PCB layout should be verified to confirm adequate space for the original height specification.

Q: Do all substitute parts maintain RoHS3 compliance?

A: Yes. The 337RZM035M, 337KXM035M, and ELXZ350ELL331MJ16S are all ROHS3 Compliant and REACH Unaffected, maintaining regulatory compliance across all substitution options.

Q: Which substitute is recommended for automotive applications?

A: The ELXZ350ELL331MJ16S (Chemi-Con LXZ series) carries AEC-Q200 automotive qualification and is specified for automotive applications. This component is suitable for designs requiring automotive-grade reliability and qualification documentation.

Q: Can ESR and impedance differences affect circuit performance?

A: ESR and impedance values are provided for reference. The 337RZM035M (703 mOhm ESR, 276 mOhms impedance), 337KXM035M (602.9 mOhm ESR, 120 mOhms impedance), and ELXZ350ELL331MJ16S (68 mOhms impedance) represent different performance characteristics. Circuit designs should be evaluated to determine if lower ESR or impedance values provide functional benefits or if the original specification is sufficient.