UPT2D820MHD Equivalent & Substitute Parts

Part Overview

The UPT2D820MHD is a 82 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 with full RoHS3 compliance. Substitute parts may be required due to inventory constraints, application-specific performance requirements, or design optimization needs where enhanced specifications are beneficial.

Key Parameters

Parameter	Value
Capacitance	82 µF
Voltage Rating	200 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-25°C ~ 105°C
Ripple Current @ 120 Hz	410 mA
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.492" (12.50mm)
Height	1.043" (26.50mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPT2D820MHD is determined by the following critical parameters:

Mandatory Matching Parameters:

Capacitance: 82 µF (exact match required)
Tolerance: ±20% (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Polarization: Polar (exact match required)

Allowable Variation Parameters:

Voltage Rating: Equal to or greater than 200 V
Lifetime @ 105°C: Equal to or greater than 5000 Hrs
Operating Temperature Range: Must encompass or exceed -25°C ~ 105°C
Lead Spacing: Mechanical compatibility within PCB design constraints
Physical Dimensions: Must fit within available board space
Ripple Current: Equal to or greater than 410 mA @ 120 Hz

Two substitute parts meet these criteria with different performance profiles:

EKXJ251ELL820MK25S (Upgrade Substitute): Exceeds voltage rating (250 V vs. 200 V), provides extended lifetime (12000 Hrs vs. 5000 Hrs), and maintains identical mechanical footprint. Includes AEC-Q200 automotive qualification.

EEU-ED2D820S (Equivalent Substitute): Matches voltage rating (200 V) and maintains capacitance/tolerance specifications. Provides extended lifetime (10000 Hrs vs. 5000 Hrs) with different physical dimensions and lead spacing.

Parameter Comparison

Parameter	UPT2D820MHD (Main)	EKXJ251ELL820MK25S (Upgrade)	EEU-ED2D820S (Equivalent)
Manufacturer	Nichicon	Chemi-Con	Panasonic Electronic Components
Capacitance	82 µF	82 µF	82 µF
Tolerance	±20%	±20%	±20%
Voltage Rating	200 V	250 V	200 V
Lifetime @ 105°C	5000 Hrs	12000 Hrs	10000 Hrs
Operating Temperature	-25°C ~ 105°C	-40°C ~ 105°C	-25°C ~ 105°C
Ripple Current @ 120 Hz	410 mA	565 mA	440 mA
Lead Spacing	0.197" (5.00mm)	0.197" (5.00mm)	0.295" (7.50mm)
Case Diameter	0.492" (12.50mm)	0.492" (12.50mm)	0.630" (16.00mm)
Height	1.043" (26.50mm)	1.043" (26.50mm)	0.787" (20.00mm)
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	Active	Active	Active

Engineering Selection Recommendations

EKXJ251ELL820MK25S Selection Criteria: Select this substitute when PCB layout accommodates the identical 5.00mm lead spacing and 12.50mm diameter footprint. This part provides performance enhancement through increased voltage margin (250 V vs. 200 V) and extended operational lifetime (12000 Hrs vs. 5000 Hrs). AEC-Q200 qualification makes this suitable for automotive applications. All three parts maintain ROHS3 compliance and identical mechanical compatibility at the board level.

EEU-ED2D820S Selection Criteria: Select this substitute when PCB layout can accommodate the larger 7.50mm lead spacing and 16.00mm diameter case. This part maintains the original 200 V voltage specification and provides extended lifetime (10000 Hrs vs. 5000 Hrs). Physical dimensions differ significantly; board redesign or component repositioning may be required. RoHS3 compliance is maintained.

Direct Replacement Consideration: EKXJ251ELL820MK25S provides direct mechanical and electrical compatibility with identical lead spacing and case diameter, requiring no PCB layout modifications while delivering enhanced specifications.

Frequently Asked Questions (FAQ)

Q: Can EKXJ251ELL820MK25S replace UPT2D820MHD without PCB modifications? A: Yes. Both parts share identical lead spacing (5.00mm) and case diameter (12.50mm), enabling direct substitution without PCB layout changes. The 250 V rating provides additional voltage margin over the original 200 V specification.

Q: What is the primary difference between the two substitute parts? A: EKXJ251ELL820MK25S maintains the original footprint (5.00mm lead spacing, 12.50mm diameter) while EKXJ251ELL820MK25S maintains the original footprint while EEU-ED2D820S requires larger board space (7.50mm lead spacing, 16.00mm diameter). EKXJ251ELL820MK25S also provides higher voltage rating and extended lifetime.

Q: Are all three parts RoHS3 compliant? A: Yes. UPT2D820MHD, EKXJ251ELL820MK25S, and EEU-ED2D820S are all ROHS3 compliant with REACH unaffected status.

Q: Does the 250 V rating of EKXJ251ELL820MK25S affect circuit performance? A: No. A higher voltage rating does not negatively impact circuit operation. The capacitor will function identically in a 200 V application while providing additional safety margin.

Q: What is the lead spacing difference between substitutes? A: UPT2D820MHD and EKXJ251ELL820MK25S both use 5.00mm lead spacing. EEU-ED2D820S uses 7.50mm lead spacing, requiring PCB design verification before substitution.

Q: Can EEU-ED2D820S be used if board space is limited? A: No. EEU-ED2D820S has larger physical dimensions (16.00mm diameter vs. 12.50mm, 20.00mm height vs. 26.50mm). Verify available board space before selection.

Q: Which substitute offers the longest operational lifetime? A: EKXJ251ELL820MK25S provides 12000 hours at 105°C, compared to 5000 hours for UPT2D820MHD and 10000 hours for EEU-ED2D820S.

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