UPB2D151MHD Equivalent & Substitute Parts

Part Overview

The UPB2D151MHD is a 150 µF, 200 V aluminum electrolytic capacitor in radial can package manufactured by Nichicon. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a temperature range of -25°C to 105°C with a rated lifetime of 5000 hours at 105°C, suitable for general-purpose applications requiring stable capacitance and ripple current handling.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage Rating	200 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-25°C ~ 105°C
Lead Spacing	0.295" (7.50mm)
Case Diameter	0.709" (18.00mm)
Height (Seated Max)	1.043" (26.50mm)
Mounting Type	Through Hole
Package Type	Radial, Can
Ripple Current @ 120 Hz	650 mA
Ripple Current @ 100 kHz	1.3 A

Substitute Part Grouping Explanation

Substitution of the UPB2D151MHD is determined by the following critical parameters:

Electrical Compatibility: Capacitance (150 µF), tolerance (±20%), and voltage rating must match or exceed the original specification. Voltage derating is acceptable; voltage upgrade from 200 V to 250 V is permissible for enhanced reliability margins.

Mechanical Compatibility: Lead spacing (0.295" / 7.50mm), case diameter (0.709" / 18.00mm), and height (1.043" / 26.50mm) must align with PCB layout constraints. Variations in these dimensions may require board redesign.

Thermal & Reliability: Lifetime rating at 105°C and operating temperature range determine suitability for thermal environments. Extended lifetime (10000 Hrs or 12000 Hrs) provides improved reliability without compromising compatibility.

Mounting & Packaging: All substitutes maintain through-hole radial can configuration, ensuring direct mechanical and electrical interchangeability.

Substitutes are grouped into three categories:

Upgrade Substitutes: Higher voltage rating (250 V) or extended lifetime with identical electrical and mechanical specifications.

Direct Substitutes: Identical electrical specifications with minor dimensional variations that do not affect PCB mounting.

Similar Substitutes: Same capacitance and voltage with dimensional or thermal variations requiring verification against specific application constraints.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Temp Range	Lead Spacing	Case Dia	Height Max	Ripple @ 120Hz	Ripple @ 100kHz	Status
UPB2D151MHD	Nichicon	150 µF	200 V	±20%	5000 Hrs	-25°C ~ 105°C	0.295"	0.709"	1.043"	650 mA	1.3 A	Obsolete
UCS2E151MHD	Nichicon	150 µF	250 V	±20%	10000 Hrs	-40°C ~ 105°C	0.295"	0.709"	1.043"	970 mA	1.94 A	Active
UCY2E151MHD	Nichicon	150 µF	250 V	±20%	12000 Hrs	-40°C ~ 105°C	0.295"	0.709"	1.043"	970 mA	1.94 A	Active
UPT2D151MHD	Nichicon	150 µF	200 V	±20%	5000 Hrs	-25°C ~ 105°C	0.197"	0.492"	1.457"	620 mA	992 mA	Active
EEU-EB2D151S	Panasonic	150 µF	200 V	±20%	5000 Hrs	-25°C ~ 105°C	0.295"	0.709"	1.063"	704 mA	1.28 A	Active
EKXG201ELL151MM25S	Chemi-Con	150 µF	200 V	±20%	10000 Hrs	-40°C ~ 105°C	0.295"	0.709"	1.043"	840 mA	1.89 A	Active
250BXC150MEFC18X25	Rubycon	150 µF	250 V	±20%	12000 Hrs	-25°C ~ 105°C	0.295"	0.709"	1.063"	882 mA	1.96 A	Active
EEU-EB2D151	Panasonic	150 µF	200 V	±20%	5000 Hrs	-25°C ~ 105°C	0.295"	0.630"	1.319"	704 mA	1.28 A	Active
EEU-ED2D151	Panasonic	150 µF	200 V	±20%	10000 Hrs	-25°C ~ 105°C	0.295"	0.630"	0.984"	630 mA	1.4 A	Active
EEU-ED2D151B	Panasonic	150 µF	200 V	±20%	10000 Hrs	-25°C ~ 105°C	0.295"	0.630"	1.063"	630 mA	1.4 A	Active
EEU-EE2D151	Panasonic	150 µF	200 V	±20%	10000 Hrs	-25°C ~ 105°C	0.295"	0.630"	1.063"	744 mA	1.86 A	Active

Engineering Selection Recommendations

Primary Upgrade Path: UCS2E151MHD and UCY2E151MHD from Nichicon provide direct mechanical compatibility with the original UPB2D151MHD while offering enhanced reliability through increased voltage rating (250 V) and extended lifetime (10000 Hrs and 12000 Hrs respectively). Both parts are active products with ROHS3 compliance, making them suitable for new designs and production continuity.

Equivalent Voltage-Matched Substitutes: EKXG201ELL151MM25S (Chemi-Con) and EEU-EB2D151S (Panasonic) maintain the 200 V voltage specification with identical lead spacing and case diameter. EKXG201ELL151MM25S provides extended lifetime (10000 Hrs) with improved ripple current handling. EEU-EB2D151S matches the original thermal and electrical specifications with minor height variation (1.063" vs 1.043").

Dimensional Variants: EEU-EB2D151, EEU-ED2D151, EEU-ED2D151B, and EEU-EE2D151 from Panasonic maintain electrical compatibility but feature reduced case diameter (0.630" vs 0.709"). These parts require PCB layout verification due to dimensional differences. EEU-ED2D151 and EEU-ED2D151B offer extended lifetime (10000 Hrs) with ROHS3 compliance.

Alternative Voltage Upgrade: 250BXC150MEFC18X25 (Rubycon) provides 250 V rating with 12000 Hrs lifetime and maintains mechanical compatibility with the original footprint. This part is suitable for applications requiring enhanced voltage margin and thermal stability.

Mechanical Variant: UPT2D151MHD (Nichicon) maintains identical electrical specifications but features different lead spacing (0.197" vs 0.295") and reduced case diameter (0.492" vs 0.709"). This part is not recommended as a direct substitute due to significant dimensional differences requiring board redesign.

All recommended substitutes are active products with ROHS3 compliance and REACH unaffected status, ensuring regulatory compliance and long-term availability.

Frequently Asked Questions (FAQ)

Q: Can UCS2E151MHD replace UPB2D151MHD directly on the PCB?

A: Yes. UCS2E151MHD maintains identical lead spacing (0.295"), case diameter (0.709"), and height (1.043") as the original part. The 250 V rating provides voltage derating margin without affecting mechanical or electrical interchangeability.

Q: What is the difference between UCS2E151MHD and UCY2E151MHD?

A: Both parts are mechanically and electrically identical with 150 µF capacitance and 250 V rating. UCY2E151MHD offers extended lifetime (12000 Hrs vs 10000 Hrs) and operates across a wider temperature range (-40°C vs -40°C). UCY2E151MHD is suitable for applications requiring maximum thermal stability and component longevity.

Q: Are Panasonic EEU-ED2D151 series parts compatible with the original UPB2D151MHD footprint?

A: Electrical compatibility is confirmed (150 µF, 200 V, ±20%). However, case diameter is reduced from 0.709" to 0.630", requiring PCB layout verification. Lead spacing remains at 0.295", allowing through-hole mounting compatibility. Height variations exist across the series (0.984" to 1.063"), necessitating clearance verification.

Q: Why is UPT2D151MHD not recommended as a substitute?

A: While UPT2D151MHD matches the electrical specification (150 µF, 200 V), lead spacing is reduced to 0.197" and case diameter is 0.492", both significantly smaller than the original 0.295" and 0.709". Direct PCB substitution is not possible without board redesign.

Q: What is the advantage of EKXG201ELL151MM25S over EEU-EB2D151S?

A: EKXG201ELL151MM25S provides extended lifetime (10000 Hrs vs 5000 Hrs) and improved ripple current handling (1.89 A @ 100 kHz vs 1.28 A). Both maintain 200 V rating and identical mechanical footprint. EKXG201ELL151MM25S is suitable for applications requiring enhanced thermal endurance.

Q: Can 250 V rated parts be used in circuits designed for 200 V capacitors?

A: Yes. Voltage derating is a standard engineering practice. 250 V rated parts (UCS2E151MHD, UCY2E151MHD, 250BXC150MEFC18X25) provide additional voltage margin and are electrically compatible with 200 V circuit specifications. No circuit modification is required.

Q: What packaging options are available for these substitutes?

A: Most substitutes are supplied in bulk packaging. EEU-ED2D151B is available in cut tape (CT) format. Packaging selection depends on production volume and assembly requirements. Bulk packaging is standard for high-volume applications.

Q: Are all recommended substitutes RoHS3 compliant?

A: Yes. All active substitute parts listed carry RoHS3 compliance certification, ensuring regulatory compliance for current manufacturing standards and export requirements.

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