Equivalent & Substitute Parts for PLF1C331MDO1

Part Overview

The PLF1C331MDO1 is a 330 µF, 16 V aluminum polymer capacitor manufactured by Nichicon in the PLF series. This through-hole radial can capacitor is designed for general purpose applications requiring stable capacitance and low equivalent series resistance. The part is currently active in production with full RoHS3 compliance and REACH unaffected status. Substitute parts may be required due to inventory constraints, specific ESR requirements, or dimensional compatibility with board layouts.

Substiute Parts

PLF1C331MDO1

NichiconIn Stock: 1627PLF1C331MDO1 Datasheet

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PLG1C331MCO1

NichiconIn Stock: 1284PLG1C331MCO1 Datasheet

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RR71C331MDN1

NichiconIn Stock: 3465RR71C331MDN1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PLF1C331MDO1 is determined by the following critical parameters:

• Capacitance: 330 µF (exact match required)
• Voltage Rating: 16 V (exact match required)
• Tolerance: ±20% (exact match required)
• Type: Aluminum Polymer (exact match required)
• Mounting Type: Through Hole (exact match required)
• Package / Case: Radial, Can (exact match required)
• Operating Temperature Range: -55°C to 105°C (exact match required)
• Lifetime @ Temperature: 2000 Hrs @ 105°C (exact match required)

The following parameters may vary within acceptable engineering limits:

• ESR (Equivalent Series Resistance): Variation permitted based on application ripple current requirements
• Lead Spacing: Variation permitted if board layout accommodates different pitch
• Diameter and Height: Variation permitted if board layout accommodates different dimensions
• Ripple Current: Variation permitted based on application frequency and current demands

Both substitute parts PLG1C331MCO1 and RR71C331MDN1 meet all critical parameter requirements and are therefore qualified as direct substitutes for the PLF1C331MDO1.

Parameter Comparison

Engineering Selection Recommendations

All three parts—PLF1C331MDO1, PLG1C331MCO1, and RR71C331MDN1—are active products with full RoHS3 compliance and REACH unaffected status, making them suitable for production use.

PLF1C331MDO1 (Primary Part): 9 mOhm ESR, 6.1 A ripple current @ 100 kHz, 10.00 mm diameter, 13.00 mm height, 5.00 mm lead spacing.

PLG1C331MCO1 (Substitute): 13 mOhm ESR, 4.7 A ripple current @ 100 kHz, 8.00 mm diameter, 9.00 mm height, 4.60 mm lead spacing. This part features a more compact form factor and lower ripple current rating. Selection is appropriate for applications with reduced space constraints and lower ripple current demands.

RR71C331MDN1 (Substitute): 7 mOhm ESR, 6.1 A ripple current @ 100 kHz, 10.00 mm diameter, 14.00 mm height, 5.00 mm lead spacing. This part offers the lowest ESR and maintains identical ripple current performance. Selection is appropriate for applications requiring minimal ESR or when the additional 1.00 mm height is accommodated by board layout.

Frequently Asked Questions (FAQ)

Q: Can PLG1C331MCO1 be used as a direct replacement for PLF1C331MDO1?

A: PLG1C331MCO1 meets all critical electrical parameters (capacitance, voltage, tolerance, type, temperature range, lifetime). However, it has a different form factor (8.00 mm diameter vs. 10.00 mm, 9.00 mm height vs. 13.00 mm, 4.60 mm lead spacing vs. 5.00 mm) and lower ripple current rating (4.7 A vs. 6.1 A @ 100 kHz). Substitution is valid only if board layout accommodates the smaller dimensions and application ripple current does not exceed 4.7 A @ 100 kHz.

Q: Can RR71C331MDN1 be used as a direct replacement for PLF1C331MDO1?

A: RR71C331MDN1 meets all critical electrical parameters and maintains the same lead spacing (5.00 mm) and diameter (10.00 mm). The height is 14.00 mm versus 13.00 mm for the PLF1C331MDO1. Substitution is valid if the additional 1.00 mm height is accommodated by board layout. The lower ESR (7 mOhm vs. 9 mOhm) provides improved performance in ripple current applications.

Q: What is the significance of ESR variation among these parts?

A: ESR (Equivalent Series Resistance) affects ripple current handling and thermal performance. PLF1C331MDO1 has 9 mOhm ESR, PLG1C331MCO1 has 13 mOhm ESR, and RR71C331MDN1 has 7 mOhm ESR. Lower ESR reduces heat generation and improves performance in high-frequency ripple current applications. Selection depends on application ripple current requirements and thermal constraints.

Q: Are all three parts suitable for the same operating temperature range?

A: Yes. All three parts operate from -55°C to 105°C and have a rated lifetime of 2000 hours at 105°C, meeting identical thermal specifications.

Q: What compliance certifications apply to all substitute parts?

A: All three parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use.