Equivalent & Substitute Parts for UPT2D221MHD

Part Overview

The UPT2D221MHD is a 220 µF, 200 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 5000 hours at 105°C and is designed for general-purpose applications. The part is currently active in production. Equivalent and substitute parts are necessary when the primary part is unavailable, when extended operational lifetime is required, or when enhanced ripple current handling is needed for specific circuit demands.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	200 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-25°C ~ 105°C
Ripple Current @ 120 Hz	760 mA
Ripple Current @ 10 kHz	1.216 A
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
Height	1.299" (33.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UPT2D221MHD is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 220 µF
Voltage Rating: 200 V or higher
Tolerance: ±20%
Polarization: Polar
Mounting Type: Through Hole
Lead Spacing: 0.295" (7.50 mm)
Package Type: Radial, Can

Allowable Variations:

Lifetime @ 105°C: May exceed 5000 hours
Operating Temperature Range: May extend beyond -25°C ~ 105°C
Ripple Current: May exceed specified values
Case Diameter: Mechanical fit within 0.630" to 0.709" diameter range
Height: Mechanical fit within 1.240" to 1.319" range

Substitute parts are grouped into three categories: Direct Manufacturer Equivalents (same manufacturer, enhanced specifications), Similar Manufacturer Parts (alternative manufacturers, comparable specifications), and Upgrade Parts (enhanced voltage rating or automotive-grade certifications).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Operating Temp	Ripple @ 120 Hz	Ripple @ 100 kHz	Case Dia	Height	Status
UPT2D221MHD	Nichicon	220 µF	200 V	5000 Hrs	-25°C ~ 105°C	760 mA	1.216 A	0.630"	1.299"	Active
UCY2D221MHD	Nichicon	220 µF	200 V	12000 Hrs	-40°C ~ 105°C	1.23 A	2.46 A	0.630"	1.299"	Active
UCA2D221MHD	Nichicon	220 µF	200 V	12000 Hrs	-25°C ~ 105°C	850 mA	1.7 A	0.709"	1.299"	Obsolete
EKXJ221ELL221MLN3S	Chemi-Con	220 µF	220 V	12000 Hrs	-40°C ~ 105°C	1.1 A	2.475 A	0.630"	1.319"	Active
ECA-2DHG221	Panasonic	220 µF	200 V	2000 Hrs	-25°C ~ 105°C	575 mA	862.5 mA	0.709"	1.319"	Obsolete
EEU-ED2D221	Panasonic	220 µF	200 V	10000 Hrs	-25°C ~ 105°C	900 mA	2 A	0.709"	1.240"	Obsolete
EEU-EE2D221	Panasonic	220 µF	200 V	10000 Hrs	-25°C ~ 105°C	1.04 A	2.6 A	0.709"	1.319"	Obsolete

Engineering Selection Recommendations

Direct Equivalent (Preferred for Active Production): UCY2D221MHD is the recommended direct substitute. Manufactured by Nichicon, it maintains identical electrical specifications to the UPT2D221MHD while offering extended operational lifetime (12000 hours versus 5000 hours at 105°C) and expanded operating temperature range (-40°C to 105°C). Both parts are currently active in production and ROHS3 compliant.

Upgrade Option (Enhanced Voltage Rating): EKXJ221ELL221MLN3S provides a 220 V rated voltage (versus 200 V) with AEC-Q200 automotive qualification. This part is suitable for applications requiring higher voltage margin or automotive-grade reliability. It is currently active and ROHS3 compliant.

Alternative Manufacturer Options: EEU-ED2D221 and EEU-EE2D221 from Panasonic are obsolete but remain available in inventory. Both offer 10000-hour lifetime ratings at 105°C. EEU-EE2D221 provides superior ripple current handling (1.04 A @ 120 Hz, 2.6 A @ 100 kHz) compared to the original part. These parts are suitable only for applications where component availability from current production is not critical.

UCA2D221MHD from Nichicon is obsolete but offers 12000-hour lifetime. Its larger case diameter (0.709" versus 0.630") requires verification of PCB layout compatibility.

ECA-2DHG221 from Panasonic is obsolete and offers only 2000-hour lifetime at 105°C, making it unsuitable as a primary substitute unless ripple current requirements are minimal.

Frequently Asked Questions (FAQ)

Q: Can UCY2D221MHD be used as a direct replacement for UPT2D221MHD? A: Yes. Both parts share identical capacitance (220 µF), voltage rating (200 V), tolerance (±20%), lead spacing (7.50 mm), case diameter (16.00 mm), and height (33.00 mm). UCY2D221MHD offers enhanced lifetime and expanded temperature range, making it a superior substitute.

Q: What is the difference between the UPT and UCY series from Nichicon? A: Both are Nichicon aluminum electrolytic capacitors with identical electrical ratings. The UCY series provides extended operational lifetime (12000 hours at 105°C versus 5000 hours) and wider operating temperature range (-40°C to 105°C versus -25°C to 105°C).

Q: Can I use EKXJ221ELL221MLN3S in place of UPT2D221MHD? A: Yes, with consideration for the higher voltage rating. EKXJ221ELL221MLN3S is rated for 220 V versus 200 V, providing additional voltage margin. It is AEC-Q200 qualified for automotive applications. The case diameter and height are compatible. This substitution is suitable when enhanced voltage rating or automotive-grade reliability is required.

Q: Why are some substitute parts listed as obsolete? A: Obsolete parts are no longer in active production but remain available in existing inventory. They are listed as substitutes based on electrical and mechanical compatibility. Selection of obsolete parts should be limited to applications where component availability from current production is not feasible.

Q: Does case diameter variation affect PCB compatibility? A: Yes. The original UPT2D221MHD has a case diameter of 0.630" (16.00 mm). Substitute parts with larger diameters (0.709" or 18.00 mm) such as UCA2D221MHD, ECA-2DHG221, EEU-ED2D221, and EEU-EE2D221 require verification that PCB pad spacing and component clearance accommodate the larger diameter. Lead spacing remains constant at 0.295" (7.50 mm) for all listed parts.

Q: What is the significance of ripple current ratings? A: Ripple current capacity determines the maximum AC current the capacitor can handle without exceeding temperature limits. Higher ripple current ratings indicate better performance in high-frequency switching applications. UCY2D221MHD and EKXJ221ELL221MLN3S offer significantly higher ripple current capacity than the original UPT2D221MHD, making them suitable for demanding power supply circuits.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed parts, including obsolete options, are ROHS3 compliant.

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