Nichicon USV1C100MFD Equivalent & Substitute Parts

Part Overview

The Nichicon USV1C100MFD is a 10 µF, 16 V aluminum electrolytic capacitor in radial, can package rated for 5000 hours at 105°C. This component is classified as obsolete, making substitute parts necessary for ongoing production and maintenance applications. The USV series represents a legacy product line, and equivalent alternatives are available from both Nichicon and other manufacturers to maintain design continuity.

Key Parameters

Parameter	Value
Capacitance	10 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Mounting Type	Through Hole
Package / Case	Radial, Can
Size / Dimension	0.157" Dia (4.00mm)
Height - Seated (Max)	0.315" (8.00mm)
Lead Spacing	0.059" (1.50mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the USV1C100MFD is determined by the following critical parameters:

Capacitance: Must be 10 µF (exact match required)
Voltage Rating: Minimum 16 V (equal or higher voltage ratings are acceptable)
Tolerance: ±20% (standard tolerance match)
Operating Temperature Range: Must support -40°C ~ 105°C minimum
Mounting Type: Through Hole (mechanical compatibility)
Package / Case: Radial, Can (form factor compatibility)
RoHS Compliance: ROHS3 Compliant (regulatory requirement)

Substitute parts are grouped into three categories:

Direct Equivalents (Same voltage, same lifetime): UKL1C100MDDANA, UUL1C100MCL1GS
Higher Voltage Alternatives (Voltage rating ≥ 16 V): UHE1H100MDD (50 V), RNS1E100MDS1 (25 V), 35ML10MEFC4X7 (35 V)
Form Factor Variants (SMD alternative): UUL1C100MCL1GS (Surface Mount)

Parameter Comparison

Parameter	USV1C100MFD	UKL1C100MDDANA	UUL1C100MCL1GS	UHE1H100MDD	RNS1E100MDS1	35ML10MEFC4X7
Manufacturer	Nichicon	Nichicon	Nichicon	Nichicon	Nichicon	Rubycon
Capacitance	10 µF	10 µF	10 µF	10 µF	10 µF	10 µF
Voltage Rating	16 V	16 V	16 V	50 V	25 V	35 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C	1000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C	2000 Hrs @ 105°C	5000 Hrs @ 105°C
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 105°C
Mounting Type	Through Hole	Through Hole	Surface Mount	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can - SMD	Radial, Can	Radial, Can	Radial, Can
Size / Dimension	0.157" Dia (4.00mm)	0.197" Dia (5.00mm)	0.157" Dia (4.00mm)	0.197" Dia (5.00mm)	0.248" Dia (6.30mm)	0.157" Dia (4.00mm)
Height - Seated (Max)	0.315" (8.00mm)	0.472" (12.00mm)	0.240" (6.10mm)	0.492" (12.50mm)	0.315" (8.00mm)	0.315" (8.00mm)
Lead Spacing	0.059" (1.50mm)	0.079" (2.00mm)	N/A	0.079" (2.00mm)	0.098" (2.50mm)	0.059" (1.50mm)
Product Status	Obsolete	Not For New Designs	Active	Obsolete	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Same Voltage, Same Footprint):

UUL1C100MCL1GS is the preferred choice for new designs. This part is active status, maintains the 5000-hour lifetime rating, and offers identical electrical specifications. The SMD variant allows for automated assembly if PCB layout permits surface mount conversion.
35ML10MEFC4X7 (Rubycon) provides identical physical dimensions and lead spacing to the original USV1C100MFD, ensuring drop-in compatibility with minimal PCB layout modification.

For Higher Voltage Applications:

RNS1E100MDS1 (25 V) is active status and suitable when circuit design permits higher voltage ratings. This polymer capacitor variant offers lower ESR (63 mOhm) and higher ripple current capability.
UHE1H100MDD (50 V) maintains the 5000-hour lifetime but requires PCB layout accommodation due to increased physical dimensions.

For Legacy System Maintenance:

UKL1C100MDDANA is suitable only for applications where reduced lifetime (1000 hours @ 105°C) is acceptable. This part is marked "Not For New Designs" and should be used only for direct replacement in existing systems.

All substitute parts maintain ROHS3 compliance and operate within the -40°C ~ 105°C temperature range required by the original specification.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage rated capacitor as a substitute for the USV1C100MFD? A: Yes. Higher voltage ratings (25 V, 35 V, 50 V) are electrically compatible and provide additional safety margin. However, physical dimensions may increase, requiring PCB layout verification before substitution.

Q: What is the difference between the Nichicon USV and UUL series? A: The UUL series is the active production equivalent. Both maintain 10 µF capacitance, 16 V rating, and 5000-hour lifetime. The UUL series is available in both through-hole and SMD form factors, while USV is through-hole only.

Q: Is the RNS1E100MDS1 polymer capacitor a suitable replacement? A: The RNS1E100MDS1 is electrically compatible with 10 µF capacitance and ±20% tolerance. However, it has a reduced lifetime (2000 hours @ 105°C) compared to the original 5000 hours. Use only in applications where this reduced lifetime is acceptable.

Q: Can I substitute the through-hole USV1C100MFD with the SMD UUL1C100MCL1GS? A: Direct PCB substitution is not possible without layout modification. The SMD variant requires surface mount pads. However, if your design permits SMD conversion, the UUL1C100MCL1GS offers identical electrical performance and active product status.

Q: What are the lead spacing differences, and do they affect compatibility? A: The original USV1C100MFD has 0.059" (1.50mm) lead spacing. Substitutes with 0.079" (2.00mm) or 0.098" (2.50mm) spacing require PCB hole repositioning. The 35ML10MEFC4X7 maintains the original 0.059" spacing for direct compatibility.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance, meeting current regulatory requirements for electronic component manufacturing and assembly.

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