Nichicon PLF0J331MDL4 Equivalent & Substitute Parts

Part Overview

The Nichicon PLF0J331MDL4 is a 330 µF, 6.3 V aluminum polymer capacitor in radial, can package format designed for through-hole mounting. This component is classified as Active product status and serves general-purpose applications requiring stable capacitance and low equivalent series resistance. Substitute parts become necessary when addressing specific design requirements such as reduced ESR, extended operational lifetime, alternative packaging formats, or inventory availability constraints.

Key Parameters

Parameter	Value
Capacitance	330 µF
Tolerance	±20%
Voltage - Rated	6.3 V
ESR (Equivalent Series Resistance)	24 mOhm
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Ripple Current @ 100 kHz	3.3 A
Lead Spacing	0.098" (2.50 mm)
Size / Dimension	0.248" Dia (6.30 mm)
Height - Seated (Max)	0.413" (10.50 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the PLF0J331MDL4 is determined by the following critical parameters: capacitance value (330 µF), voltage rating (6.3 V), tolerance (±20%), operating temperature range (-55°C ~ 105°C), mounting type (through hole), and package format (radial, can). All substitute parts must maintain identical or superior electrical performance in these core specifications.

The substitute parts are grouped into two categories based on design trade-offs:

Category 1: Reduced ESR with Increased Ripple Current Capability

RR70J331MDN1: Offers 7 mOhm ESR (71% reduction from main part) with 6.1 A ripple current @ 100 kHz, but requires larger physical footprint (0.394" diameter, 0.551" height) and wider lead spacing (0.197").

Category 2: Matched Footprint with Improved ESR and Extended Lifetime Options

RS80J331MDN1JT: Maintains identical footprint to main part (0.248" diameter, 0.098" lead spacing) with 8 mOhm ESR and 2000 Hrs @ 105°C lifetime. Packaging format is Cut Tape (CT).
RS80J331MDNASQJT: Maintains identical footprint to main part with 8 mOhm ESR but extends lifetime to 5000 Hrs @ 105°C (2.5× longer than main part). Packaging format is Cut Tape (CT).

Parameter Comparison

Parameter	PLF0J331MDL4 (Main)	RR70J331MDN1	RS80J331MDN1JT	RS80J331MDNASQJT
Capacitance	330 µF	330 µF	330 µF	330 µF
Tolerance	±20%	±20%	±20%	±20%
Voltage - Rated	6.3 V	6.3 V	6.3 V	6.3 V
ESR (Equivalent Series Resistance)	24 mOhm	7 mOhm	8 mOhm	8 mOhm
Lifetime @ Temperature	2000 Hrs @ 105°C	2000 Hrs @ 105°C	2000 Hrs @ 105°C	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Ripple Current @ 100 kHz	3.3 A	6.1 A	5 A	5 A
Lead Spacing	0.098" (2.50 mm)	0.197" (5.00 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)
Size / Dimension	0.248" Dia (6.30 mm)	0.394" Dia (10.00 mm)	0.248" Dia (6.30 mm)	0.248" Dia (6.30 mm)
Height - Seated (Max)	0.413" (10.50 mm)	0.551" (14.00 mm)	0.315" (8.00 mm)	0.315" (8.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with the main part PLF0J331MDL4.

For direct footprint compatibility with reduced ESR: Select RS80J331MDN1JT or RS80J331MDNASQJT. Both maintain the 0.248" diameter and 0.098" lead spacing of the original part, enabling direct board-level substitution without PCB redesign. RS80J331MDNASQJT provides extended operational lifetime (5000 Hrs @ 105°C versus 2000 Hrs @ 105°C), suitable for applications requiring enhanced reliability over extended service periods.

For maximum ESR reduction with increased ripple current capacity: Select RR70J331MDN1. This part delivers 7 mOhm ESR and 6.1 A ripple current @ 100 kHz, representing significant performance improvement. However, the larger physical footprint (0.394" diameter, 0.551" height) and wider lead spacing (0.197") require PCB layout verification and potential redesign.

For inventory availability: RS80J331MDNASQJT offers the highest stock level (9204 Pcs), followed by RS80J331MDN1JT (5207 Pcs) and RR70J331MDN1 (1751 Pcs).

Frequently Asked Questions (FAQ)

Q: Can RS80J331MDN1JT or RS80J331MDNASQJT be used as direct replacements for PLF0J331MDL4 on existing PCBs?

A: Yes. Both parts maintain identical lead spacing (0.098" / 2.50 mm) and diameter (0.248" / 6.30 mm) as the main part. The reduced height (0.315" versus 0.413") presents no compatibility issues for through-hole mounting. Verify clearance above the component if space constraints exist.

Q: What is the primary advantage of RR70J331MDN1 over the RS80 series?

A: RR70J331MDN1 provides the lowest ESR at 7 mOhm (compared to 8 mOhm for RS80 series) and the highest ripple current capacity at 6.1 A @ 100 kHz. This makes it suitable for high-frequency, high-current applications. The trade-off is a larger physical footprint requiring PCB layout verification.

Q: Does RS80J331MDNASQJT offer superior reliability compared to RS80J331MDN1JT?

A: RS80J331MDNASQJT extends the operational lifetime to 5000 Hrs @ 105°C, compared to 2000 Hrs @ 105°C for RS80J331MDN1JT. Both maintain identical electrical specifications (capacitance, voltage, ESR, ripple current). The extended lifetime specification applies to accelerated aging conditions at 105°C and should be evaluated against actual application operating temperatures and duty cycles.

Q: Are there packaging format differences between the main part and substitutes?

A: Yes. PLF0J331MDL4 is supplied in Bulk packaging, while RS80J331MDN1JT and RS80J331MDNASQJT are supplied in Cut Tape (CT) format. RR70J331MDN1 is supplied in Bulk packaging. Verify packaging requirements for your procurement and assembly processes.

Q: What electrical parameters determine substitution eligibility?

A: Core parameters are capacitance (330 µF), voltage rating (6.3 V), tolerance (±20%), and operating temperature range (-55°C ~ 105°C). All substitute parts match these specifications. Secondary parameters such as ESR, ripple current, and lifetime may vary based on design requirements and application constraints.

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