Equivalent & Substitute Parts for USV1C101MFD

Part Overview

The Nichicon USV1C101MFD is a 100 µF, 16 V aluminum electrolytic capacitor in radial, can package rated for 5000 hours at 105°C. This component is classified as Obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The USV series has been superseded by newer product lines while maintaining the same core electrical specifications. Substitute parts must match the capacitance, voltage rating, and general-purpose application profile to ensure functional compatibility in circuit designs.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the USV1C101MFD is determined by the following criteria:

Primary Matching Parameters:

Capacitance: 100 µF (exact match required)
Voltage Rating: 16 V (exact match required for direct substitution)
Tolerance: ±20% (standard tolerance for general-purpose applications)
Polarization: Polar (electrolytic capacitor type)
Mounting Type: Through Hole (mechanical compatibility)
Package Type: Radial, Can (form factor compatibility)

Secondary Considerations:

Lifetime rating at 105°C (5000 hours minimum for equivalent performance)
Operating temperature range (-40°C ~ 105°C)
RoHS3 compliance (regulatory requirement)

Substitute parts are grouped into two categories:

Category A - Direct Equivalents (Same Voltage, Same Lifetime): Parts matching all primary parameters with 5000-hour lifetime ratings at 105°C. These provide direct functional replacement with identical electrical performance.

Category B - Functional Equivalents (Same Voltage, Different Lifetime): Parts matching primary electrical parameters but with different thermal lifetime ratings. These are suitable for applications where the reduced or extended lifetime does not impact circuit requirements.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Size Diameter	Height (Max)	Mounting Type	Product Status	RoHS Status
USV1C101MFD	Nichicon	100 µF	16 V	±20%	5000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.315" (8.00mm)	Through Hole	Obsolete	ROHS3
UHV1C101MDD	Nichicon	100 µF	16 V	±20%	5000 Hrs	0.079" (2.00mm)	0.197" (5.00mm)	0.492" (12.50mm)	Through Hole	Obsolete	ROHS3
UKL1C101MPDANA	Nichicon	100 µF	16 V	±20%	1000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.492" (12.50mm)	Through Hole	Not For New Designs	ROHS3
UUL1C101MCL1GS	Nichicon	100 µF	16 V	±20%	5000 Hrs	—	0.248" (6.30mm)	0.315" (8.00mm)	Surface Mount	Active	ROHS3
EEU-FR1C101	Panasonic	100 µF	16 V	±20%	5000 Hrs	0.079" (2.00mm)	0.197" (5.00mm)	0.492" (12.50mm)	Through Hole	Active	ROHS3
EEU-FR1C101B	Panasonic	100 µF	16 V	±20%	5000 Hrs	0.197" (5.00mm)	0.197" (5.00mm)	0.492" (12.50mm)	Through Hole	Active	ROHS3
MAL214235101E3	Vishay	100 µF	16 V	±20%	2500 Hrs	0.197" (5.00mm)	0.197" (5.00mm)	0.492" (12.50mm)	Through Hole	Active	ROHS3
MAL214255101E3	Vishay	100 µF	16 V	±20%	2500 Hrs	0.079" (2.00mm)	0.197" (5.00mm)	0.492" (12.50mm)	Through Hole	Active	ROHS3
MAL214275101E3	Vishay	100 µF	16 V	±20%	2500 Hrs	0.098" (2.50mm)	0.197" (5.00mm)	0.492" (12.50mm)	Through Hole	Active	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Preferred):

Select EEU-FR1C101 or EEU-FR1C101B (Panasonic FR-A series). Both parts match the USV1C101MFD electrical specifications with 100 µF capacitance, 16 V rating, and 5000-hour lifetime at 105°C. These parts carry Active product status and ROHS3 compliance, ensuring long-term availability and regulatory compliance. The Panasonic FR-A series is widely used in production environments as a direct replacement for obsolete Nichicon USV series capacitors.

For PCB Layout Compatibility:

If the original PCB layout requires the specific lead spacing of 0.138" (4.60mm) and 0.315" (8.00mm) diameter, UKL1C101MPDANA (Nichicon UKL series) maintains these mechanical dimensions. However, this part has a reduced 1000-hour lifetime rating at 105°C and carries Not For New Designs status. Use only if thermal lifetime requirements permit.

For Active Product Status:

MAL214255101E3 or MAL214275101E3 (Vishay 142 RHS series) provide Active product status with ROHS3 compliance. These parts have 2500-hour lifetime ratings at 105°C, suitable for applications with moderate thermal stress. Lead spacing options (0.079" or 0.098") accommodate various PCB layouts.

For Surface Mount Applications:

UUL1C101MCL1GS (Nichicon UUL series) is the only surface mount option, rated for 5000 hours at 105°C with Active product status. This part is suitable only if the circuit design permits surface mount technology.

Frequently Asked Questions (FAQ)

Q: Can I use a 50 V rated capacitor instead of the 16 V USV1C101MFD?

A: No. While a higher voltage rating provides electrical safety margin, it introduces different physical dimensions, impedance characteristics, and thermal performance. The UHE1H101MPD (50 V variant) has different lead spacing, size, and height specifications that may not fit the original PCB layout. Use only parts rated for 16 V unless circuit redesign is performed.

Q: What is the difference between the Nichicon UHV1C101MDD and the original USV1C101MFD?

A: Both are Nichicon 100 µF, 16 V, 5000-hour rated capacitors with identical electrical specifications. The primary difference is lead spacing (0.079" vs. 0.138") and physical dimensions. UHV1C101MDD has a smaller diameter (0.197" vs. 0.315") and greater height (0.492" vs. 0.315"). Verify PCB footprint compatibility before substitution.

Q: Are Panasonic EEU-FR1C101 and EEU-FR1C101B interchangeable?

A: Both parts have identical electrical specifications (100 µF, 16 V, 5000 hours at 105°C) and Active product status. The difference is packaging: EEU-FR1C101 is supplied in Bulk, while EEU-FR1C101B is supplied in Cut Tape. Lead spacing differs (0.079" vs. 0.197"), so verify PCB footprint compatibility. Electrically, they are equivalent.

Q: Why do Vishay MAL214 series parts have only 2500-hour lifetime ratings?

A: The Vishay 142 RHS series is designed for general-purpose applications with moderate thermal requirements. The 2500-hour rating at 105°C is suitable for many consumer and industrial applications. If 5000-hour lifetime is mandatory, select Panasonic EEU-FR or Nichicon UHV/UUL series alternatives.

Q: Can I substitute the USV1C101MFD with UUL1C101MCL1GS (surface mount version)?

A: Only if the circuit board design permits surface mount technology. UUL1C101MCL1GS has identical electrical specifications (100 µF, 16 V, 5000 hours at 105°C) but requires surface mount land patterns (0.260" L x 0.260" W) instead of through-hole leads. This substitution requires PCB redesign.

Q: What does "Not For New Designs" product status mean?

A: Parts marked "Not For New Designs" (such as UKL1C101MPDANA) are still available but not recommended for new circuit designs. These parts may have limited future availability or have been superseded by improved alternatives. For new designs, select parts with Active status (EEU-FR series, Vishay MAL214 series, or Nichicon UUL series).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, meeting regulatory requirements for hazardous substance restrictions. This ensures compatibility with modern manufacturing and environmental standards.

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