UCS2D151MND9 Equivalent & Substitute Parts

Part Overview

The UCS2D151MND9 is a 150 µF, 200 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 10000 hours at 105°C and is designed for general-purpose applications requiring through-hole mounting. The part is active and ROHS3 compliant.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when design requirements demand extended operational lifetime, or when alternative physical dimensions better suit PCB layout constraints while maintaining electrical compatibility.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage Rating	200 V
Tolerance	±20%
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Operating Temperature Range	-40°C to 105°C
Lifetime @ 105°C	10000 Hrs

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence in the following parameters:

Capacitance: 150 µF (exact match required)
Voltage Rating: 200 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Operating Temperature Range: -40°C to 105°C (exact match required)

All substitute parts listed meet these core electrical and mechanical requirements. Variations in physical dimensions (diameter and height), lead spacing, ripple current ratings, and operational lifetime do not disqualify a part from substitution, provided the above parameters remain identical. Physical dimensions must be verified against PCB layout constraints during component selection.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Diameter (mm)	Height (mm)	Lead Spacing (mm)	Ripple Current @ 120 Hz	Ripple Current @ 100 kHz	Product Status
UCS2D151MND9	Nichicon	UCS	150 µF	200 V	±20%	10000 Hrs	10.00	52.00	5.00	830 mA	1.66 A	Active
UCY2D151MHD	Nichicon	UCY	150 µF	200 V	±20%	12000 Hrs	12.50	37.00	5.00	965 mA	1.93 A	Active
UCY2D151MHD3	Nichicon	UCY	150 µF	200 V	±20%	12000 Hrs	16.00	26.50	7.50	945 mA	1.89 A	Active
UCY2D151MHD6	Nichicon	UCY	150 µF	200 V	±20%	12000 Hrs	18.00	21.50	7.50	910 mA	1.82 A	Active
URZ2D151MHD	Nichicon	URZ	150 µF	200 V	±20%	1000 Hrs	18.00	26.50	7.50	510 mA	816 mA	Active
EKXG201ELL151ML25S	Chemi-Con	KXG	150 µF	200 V	±20%	10000 Hrs	16.00	25.00	7.50	840 mA	1.89 A	Active

Engineering Selection Recommendations

All listed substitute parts are active products with ROHS3 compliance and REACH unaffected or affected status as documented. Selection among equivalent parts should be based on:

Physical space availability on the PCB. The UCS2D151MND9 features the smallest diameter (10.00 mm) and greatest height (52.00 mm). The UCY series parts offer reduced height with larger diameters. The EKXG201ELL151ML25S provides a mid-range profile.
Lead spacing requirements. The UCS2D151MND9 and UCY2D151MHD use 5.00 mm spacing. The UCY2D151MHD3, UCY2D151MHD6, URZ2D151MHD, and EKXG201ELL151ML25S use 7.50 mm spacing.
Operational lifetime requirements. The UCY series (12000 Hrs @ 105°C) and EKXG201ELL151ML25S (10000 Hrs @ 105°C) provide extended lifetime compared to the UCS2D151MND9 (10000 Hrs @ 105°C). The URZ2D151MHD offers reduced lifetime (1000 Hrs @ 105°C) and should be selected only when lifetime requirements are less stringent.
Ripple current handling. Higher ripple current ratings in the UCY and EKXG series indicate improved performance in high-frequency applications.

Frequently Asked Questions (FAQ)

Q: Can UCY2D151MHD3 replace UCS2D151MND9 directly on the PCB?

A: Electrical substitution is valid. However, physical compatibility must be verified. The UCY2D151MHD3 has a larger diameter (16.00 mm vs. 10.00 mm) and shorter height (26.50 mm vs. 52.00 mm), with different lead spacing (7.50 mm vs. 5.00 mm). PCB layout modifications may be required.

Q: What is the difference between Nichicon UCY and URZ series?

A: Both are Nichicon aluminum electrolytic capacitors with identical electrical ratings (150 µF, 200 V, ±20%). The primary difference is operational lifetime: UCY series is rated for 12000 hours at 105°C, while URZ series is rated for 1000 hours at 105°C. The URZ series also exhibits lower ripple current handling capability.

Q: Is EKXG201ELL151ML25S from Chemi-Con electrically equivalent?

A: Yes. The EKXG201ELL151ML25S meets all core electrical parameters: 150 µF capacitance, 200 V voltage rating, ±20% tolerance, polar configuration, and -40°C to 105°C operating range. Physical dimensions differ, requiring PCB layout verification.

Q: Which substitute offers the best space efficiency?

A: The UCY2D151MHD6 provides the most compact profile with 18.00 mm diameter and 21.50 mm height. However, it requires 7.50 mm lead spacing, which must be compatible with existing PCB footprints.

Q: Can I use URZ2D151MHD in a high-ripple-current application?

A: The URZ2D151MHD has lower ripple current ratings (510 mA @ 120 Hz, 816 mA @ 10 kHz) compared to other substitutes. Selection depends on actual circuit ripple current requirements. If the application demands ripple current exceeding these values, alternative parts with higher ratings should be selected.

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