UHE1V182MHT Equivalent & Substitute Parts

Part Overview

The UHE1V182MHT is a 1800 µF, 35 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as obsolete, making direct replacement necessary for ongoing production and maintenance applications. The part delivers 10000 hours lifetime at 105°C with general-purpose applications across industrial and consumer electronics. Equivalent and substitute parts are selected based on matching electrical specifications and mechanical compatibility within the radial can form factor.

Key Parameters

Parameter	Value
Capacitance	1800 µF
Voltage Rating	35 V
Tolerance	±20%
Lifetime @ Temperature	10000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00mm)
Diameter	0.492" (12.50mm)
Height	1.575" (40.00mm)

Substitute Part Grouping Explanation

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

Primary Substitution Criteria:

Capacitance: 1800 µF (exact match required)
Voltage Rating: 35 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Package Type: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)
Operating Temperature: -40°C ~ 105°C (exact match required)

Secondary Compatibility Factors:

Lead Spacing: 0.197" (5.00mm) preferred for direct PCB compatibility
Diameter: 0.492" (12.50mm) preferred for space constraints
Height: Variations acceptable within mechanical envelope constraints
Lifetime @ Temperature: 10000 Hrs @ 105°C preferred; 7000 Hrs @ 105°C acceptable for non-critical applications
Impedance: Variations acceptable based on ripple current performance

Substitute parts are grouped into three categories: direct equivalents (identical lead spacing and diameter), similar alternatives (different mechanical dimensions but same electrical specifications), and parametric equivalents (matching all critical electrical parameters with acceptable dimensional variations).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Diameter	Height	Impedance	Product Status	RoHS Status
UHE1V182MHT	Nichicon	1800 µF	35 V	±20%	10000 Hrs	0.197" (5.00mm)	0.492" (12.50mm)	1.575" (40.00mm)	17 mOhms	Obsolete	Non-compliant
UHE1V182MHD	Nichicon	1800 µF	35 V	±20%	10000 Hrs	0.197" (5.00mm)	0.492" (12.50mm)	1.575" (40.00mm)	17 mOhms	Not For New Designs	ROHS3 Compliant
UHE1V182MHD3	Nichicon	1800 µF	35 V	±20%	10000 Hrs	0.295" (7.50mm)	0.709" (18.00mm)	0.787" (20.00mm)	26 mOhms	Not For New Designs	ROHS3 Compliant
UHE1V182MHD6	Nichicon	1800 µF	35 V	±20%	10000 Hrs	0.295" (7.50mm)	0.630" (16.00mm)	0.984" (25.00mm)	21 mOhms	Not For New Designs	ROHS3 Compliant
EEU-FR1V182L	Panasonic Electronic Components	1800 µF	35 V	±20%	10000 Hrs	0.197" (5.00mm)	0.492" (12.50mm)	1.457" (37.00mm)	12 mOhms	Active	ROHS3 Compliant
EKY-350ELL182MK40S	Chemi-Con	1800 µF	35 V	±20%	10000 Hrs	0.197" (5.00mm)	0.492" (12.50mm)	1.634" (41.50mm)	17 mOhms	Active	ROHS3 Compliant
EEU-FM1V182	Panasonic Electronic Components	1800 µF	35 V	±20%	7000 Hrs	0.295" (7.50mm)	0.630" (16.00mm)	1.063" (27.00mm)	14 mOhms	Active	ROHS3 Compliant
EEU-FM1V182B	Panasonic Electronic Components	1800 µF	35 V	±20%	7000 Hrs	0.295" (7.50mm)	0.630" (16.00mm)	1.063" (27.00mm)	14 mOhms	Active	ROHS3 Compliant
KY35VB182M12X40LL	Chemi-Con	1800 µF	35 V	±20%	10000 Hrs	0.197" (5.00mm)	0.492" (12.50mm)	1.575" (40.00mm)	17 mOhms	Active	Non-compliant

Engineering Selection Recommendations

Direct Mechanical Replacement (Preferred): EEU-FR1V182L (Panasonic) and EKY-350ELL182MK40S (Chemi-Con) provide direct PCB compatibility with the original UHE1V182MHT, maintaining identical lead spacing (0.197" / 5.00mm) and diameter (0.492" / 12.50mm). Both parts are active products with ROHS3 compliance and 10000-hour lifetime ratings. EEU-FR1V182L offers superior impedance performance (12 mOhms) compared to the original specification (17 mOhms).

Nichicon Series Alternatives: UHE1V182MHD provides identical electrical and mechanical specifications to the original part with ROHS3 compliance upgrade. UHE1V182MHD3 and UHE1V182MHD6 maintain electrical equivalence but feature different mechanical envelopes, requiring PCB layout verification before implementation.

Panasonic FM Series (Reduced Lifetime): EEU-FM1V182 and EEU-FM1V182B deliver equivalent electrical performance with 7000-hour lifetime at 105°C (versus 10000 hours). These parts require mechanical envelope assessment due to different lead spacing (0.295" / 7.50mm) and reduced height (1.063" / 27.00mm).

Parametric Equivalent: KY35VB182M12X40LL (Chemi-Con) matches all electrical specifications and mechanical dimensions of the original part. RoHS non-compliance status requires regulatory assessment for target applications.

Compliance Considerations: Parts with ROHS3 compliance (UHE1V182MHD, UHE1V182MHD3, UHE1V182MHD6, EEU-FR1V182L, EKY-350ELL182MK40S, EEU-FM1V182, EEU-FM1V182B) are suitable for applications requiring environmental compliance. KY35VB182M12X40LL and the original UHE1V182MHT maintain RoHS non-compliant status.

Frequently Asked Questions (FAQ)

Q: Can UHE1V182MHD be used as a direct replacement for UHE1V182MHT? A: Yes. UHE1V182MHD provides identical electrical specifications (1800 µF, 35 V, ±20%, 10000 Hrs @ 105°C) and mechanical dimensions (0.197" lead spacing, 0.492" diameter, 1.575" height). The primary difference is ROHS3 compliance status. No PCB modifications are required.

Q: What is the difference between EEU-FM1V182 and EEU-FM1V182B? A: Both parts are electrically and mechanically identical (1800 µF, 35 V, 7000 Hrs @ 105°C). The distinction is packaging format: EEU-FM1V182 is supplied in bulk, while EEU-FM1V182B is supplied in cut tape (CT). Lead spacing and height differ from the original part (0.295" spacing, 1.063" height versus 0.197" spacing, 1.575" height).

Q: Why does EEU-FR1V182L have lower impedance than the original part? A: Impedance variation (12 mOhms versus 17 mOhms) reflects different internal construction and manufacturing processes between Panasonic and Nichicon designs. Both values meet the electrical requirements for 1800 µF, 35 V applications. Lower impedance generally indicates improved ripple current handling capability.

Q: Are there mechanical constraints when substituting UHE1V182MHD3 or UHE1V182MHD6? A: Yes. Both parts have different physical dimensions than the original UHE1V182MHT. UHE1V182MHD3 features larger diameter (0.709" versus 0.492") and different height (0.787" versus 1.575"). UHE1V182MHD6 has intermediate diameter (0.630") and reduced height (0.984"). PCB layout verification is required before implementation.

Q: What is the significance of the 10000-hour versus 7000-hour lifetime rating? A: Lifetime rating indicates capacitor operational duration at maximum rated temperature (105°C) before capacitance degradation exceeds tolerance limits. 10000-hour parts (UHE1V182MHT, UHE1V182MHD, EEU-FR1V182L, EKY-350ELL182MK40S, KY35VB182M12X40LL) provide extended service life. 7000-hour parts (EEU-FM1V182, EEU-FM1V182B) are suitable for applications with lower thermal stress or shorter operational requirements.

Q: Can KY35VB182M12X40LL be used despite RoHS non-compliance? A: KY35VB182M12X40LL provides identical electrical and mechanical specifications to the original part. RoHS compliance status depends on target application regulatory requirements. Applications subject to RoHS directives require compliant alternatives (EEU-FR1V182L, EKY-350ELL182MK40S, or UHE1V182MHD).

Q: Which substitute offers the best overall performance? A: EEU-FR1V182L combines active product status, ROHS3 compliance, direct mechanical compatibility, superior impedance performance (12 mOhms), and 10000-hour lifetime rating. This part is recommended for new designs and production applications requiring regulatory compliance.

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