UHE1C682MHT Equivalent & Substitute Parts

Part Overview

The UHE1C682MHT is a 6800 µF, 16 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 production and maintenance applications. The part is rated for general-purpose use with a 10,000-hour lifetime at 105°C and operates across a temperature range of -40°C to 105°C.

Key Parameters

Parameter	Value
Capacitance	6800 µF
Voltage Rating	16 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	0.295" (7.50mm)
Diameter	0.630" (16.00mm)
Height	1.575" (40.00mm)

Substitute Part Grouping Explanation

Substitute parts for the UHE1C682MHT are qualified based on matching the following critical parameters: capacitance value (6800 µF), voltage rating (16 V), tolerance (±20%), lifetime specification (10000 Hrs @ 105°C), operating temperature range (-40°C ~ 105°C), polarization (polar), package type (radial, can), mounting type (through hole), and mechanical dimensions (lead spacing, diameter, and height). All substitute parts maintain these core electrical and mechanical specifications, ensuring functional compatibility in the original application circuit.

The substitute parts are categorized as follows:

Direct Manufacturer Equivalent (UHE1C682MHD): Same series from Nichicon with identical electrical specifications
Direct Manufacturer Equivalent (EKZN160ELL682MLN3S): Chemi-Con KZN series with matching electrical parameters
Upgrade Option (EKY-160ELL682ML40S): Chemi-Con KY series with enhanced product status
Parametric Equivalent (KY16VB682M16X40LL): Chemi-Con KY series with matching electrical and mechanical specifications

Parameter Comparison

Parameter	UHE1C682MHT	UHE1C682MHD	EKZN160ELL682MLN3S	EKY-160ELL682ML40S	KY16VB682M16X40LL
Manufacturer	Nichicon	Nichicon	Chemi-Con	Chemi-Con	Chemi-Con
Capacitance	6800 µF	6800 µF	6800 µF	6800 µF	6800 µF
Voltage Rating	16 V	16 V	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%	±20%	±20%
Lifetime @ Temp.	10000 Hrs @ 105°C	10000 Hrs @ 105°C	10000 Hrs @ 105°C	10000 Hrs @ 105°C	10000 Hrs @ 105°C
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Polarization	Polar	Polar	Polar	Polar	Polar
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Lead Spacing	0.295" (7.50mm)	0.295" (7.50mm)	0.295" (7.50mm)	0.295" (7.50mm)	0.295" (7.50mm)
Diameter	0.630" (16.00mm)	0.630" (16.00mm)	0.630" (16.00mm)	0.630" (16.00mm)	0.630" (16.00mm)
Height	1.575" (40.00mm)	1.575" (40.00mm)	1.299" (33.00mm)	1.634" (41.50mm)	1.575" (40.00mm)
Impedance	13 mOhms	13 mOhms	16 mOhms	13 mOhms	13 mOhms
Ripple Current @ 120 Hz	3.264 A	3.264 A	3.485 A	3.468 A	3.468 A
Ripple Current @ 100 kHz	4.08 A	4.08 A	4.1 A	4.08 A	4.08 A
Product Status	Obsolete	Not For New Designs	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant

Engineering Selection Recommendations

For new designs and ongoing production, EKZN160ELL682MLN3S and EKY-160ELL682ML40S are preferred substitutes due to their active product status and ROHS3 compliance. Both parts maintain all critical electrical parameters and mechanical dimensions required for direct replacement.

UHE1C682MHD serves as a direct equivalent from the original manufacturer but carries a "Not For New Designs" status, making it suitable for legacy system maintenance and repair applications where Nichicon sourcing is required.

KY16VB682M16X40LL provides parametric equivalence with active product status but does not meet ROHS3 compliance requirements. This part is suitable for applications where RoHS compliance is not mandated.

EKZN160ELL682MLN3S presents a height variation (1.299" vs. 1.575"), which may require mechanical clearance verification in space-constrained applications, though all electrical specifications remain equivalent.

Frequently Asked Questions (FAQ)

Q: Can UHE1C682MHT be directly replaced with any of these substitute parts?

A: Yes, all listed substitute parts maintain identical capacitance (6800 µF), voltage rating (16 V), tolerance (±20%), lifetime specification (10000 Hrs @ 105°C), operating temperature range (-40°C ~ 105°C), polarization, package type (radial, can), and lead spacing (0.295" / 7.50mm). Direct PCB-level substitution is supported for all parts.

Q: What is the difference between the substitute parts?

A: The primary differences are manufacturer (Nichicon vs. Chemi-Con), product status (obsolete, not for new designs, or active), RoHS compliance level, and minor variations in height and impedance. EKZN160ELL682MLN3S has a reduced height (1.299" vs. 1.575"), while EKY-160ELL682ML40S has a slightly increased height (1.634" vs. 1.575").

Q: Which substitute should I use for new designs?

A: EKZN160ELL682MLN3S or EKY-160ELL682ML40S are recommended for new designs, as both carry active product status and ROHS3 compliance certification.

Q: Are there mechanical compatibility concerns?

A: Lead spacing and diameter are identical across all parts (0.295" / 7.50mm and 0.630" / 16.00mm respectively). Height variations exist: EKZN160ELL682MLN3S is shorter (1.299"), UHE1C682MHT and KY16VB682M16X40LL are standard (1.575"), and EKY-160ELL682ML40S is taller (1.634"). Verify available vertical clearance in your application.

Q: Do all substitutes meet RoHS requirements?

A: EKZN160ELL682MLN3S and EKY-160ELL682ML40S are ROHS3 compliant. UHE1C682MHT and KY16VB682M16X40LL are RoHS non-compliant. Select accordingly based on your regulatory requirements.

Q: What are the ripple current specifications?

A: All parts support ripple current at 120 Hz (3.264–3.485 A) and 100 kHz (4.08–4.1 A). EKZN160ELL682MLN3S shows slightly higher ripple current values and impedance (16 mOhms vs. 13 mOhms), which may be relevant in high-frequency filtering applications.

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