ULD2C330MPD Equivalent & Substitute Parts

Part Overview

The ULD2C330MPD is a 33 µF, 160 V aluminum electrolytic capacitor in radial through-hole configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in Nichicon's product line. For applications requiring this capacitor specification, direct substitutes from active product lines are available from alternative manufacturers while maintaining full electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	33 µF
Voltage Rating	160 V
Tolerance	±20%
Lifetime @ Temperature	20000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.394" (10.00mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the ULD2C330MPD are qualified based on the following electrical and mechanical parameters:

Capacitance: 33 µF (exact match required)
Voltage Rating: 160 V (exact match required)
Tolerance: ±20% (exact match required)
Lifetime: 20000 Hrs @ 105°C (exact match required)
Operating Temperature: -40°C ~ 105°C (exact match required)
Lead Spacing: 0.197" (5.00mm) (exact match required)
Case Diameter: 0.394" (10.00mm) (exact match required)
Mounting Type: Through Hole Radial (exact match required)
RoHS3 Compliance: Required

All substitute parts listed meet these criteria and are electrically and mechanically interchangeable with the original ULD2C330MPD.

Parameter Comparison

Parameter	ULD2C330MPD (Nichicon)	EKXF161ELL330MJ16S (Chemi-Con)	160LLE33MEFC10X16 (Rubycon)
Capacitance	33 µF	33 µF	33 µF
Voltage Rating	160 V	160 V	160 V
Tolerance	±20%	±20%	±20%
Lifetime @ 105°C	20000 Hrs	20000 Hrs	20000 Hrs
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Lead Spacing	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)
Case Diameter	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)
Height (Seated Max)	0.709" (18.00mm)	0.689" (17.50mm)	0.709" (18.00mm)
Ripple Current @ 120 Hz	158 mA	158 mA	158 mA
Ripple Current @ 100 kHz	284.4 mA	395 mA	284 mA
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Not For New Designs	Active	Active

Engineering Selection Recommendations

The ULD2C330MPD is designated Not For New Designs, making substitution necessary for ongoing production and new applications. Both substitute parts are from active product lines:

EKXF161ELL330MJ16S (Chemi-Con KXF Series) is a direct manufacturer substitute with active product status and ROHS3 compliance. This part features a slightly reduced height of 0.689" (17.50mm) compared to the original 0.709" (18.00mm), which may provide board layout advantages in space-constrained applications. The higher ripple current capability at 100 kHz (395 mA versus 284.4 mA) offers improved performance margin in high-frequency switching applications.

160LLE33MEFC10X16 (Rubycon LLE Series) is a parametric equivalent with active product status and ROHS3 compliance. This part maintains identical height and ripple current specifications to the original ULD2C330MPD, providing a direct form-fit-function replacement with no design modifications required.

Both substitutes are electrically and mechanically compatible. Selection between them depends on specific application requirements regarding board height constraints and high-frequency ripple current performance.

Frequently Asked Questions (FAQ)

Q: Can EKXF161ELL330MJ16S be used as a direct replacement for ULD2C330MPD?

A: Yes. Both parts share identical electrical specifications (33 µF, 160 V, ±20%, 20000 Hrs @ 105°C) and mechanical parameters (lead spacing, case diameter, through-hole mounting). The 0.02" (0.50mm) height difference is within typical PCB design tolerances for radial capacitors.

Q: Can 160LLE33MEFC10X16 be used as a direct replacement for ULD2C330MPD?

A: Yes. This part is a parametric equivalent with identical electrical and mechanical specifications, including height. No design modifications are required.

Q: What is the difference in ripple current performance between the substitutes?

A: At 100 kHz, EKXF161ELL330MJ16S provides 395 mA ripple current capability compared to 284.4 mA for ULD2C330MPD and 284 mA for 160LLE33MEFC10X16. This higher capability in the Chemi-Con part may be beneficial in applications with significant high-frequency current stress.

Q: Are all three parts RoHS3 compliant?

A: Yes. ULD2C330MPD, EKXF161ELL330MJ16S, and 160LLE33MEFC10X16 are all ROHS3 compliant.

Q: Which substitute should be selected for new designs?

A: Both EKXF161ELL330MJ16S and 160LLE33MEFC10X16 are active products suitable for new designs. Selection should be based on availability, supply chain preferences, and specific application requirements regarding ripple current performance and board layout constraints.

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