RFS-16V102MJ7#5 Equivalent & Substitute Parts

Part Overview

The RFS-16V102MJ7#5 is a 1000 µF, 16 V aluminum electrolytic capacitor in radial, can package manufactured by Elna America. This component is part of the RFS/SILMIC II series and is rated for audio applications with a lifetime specification of 1000 hours at 85°C. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement.

Key Parameters

Parameter	Value
Capacitance	1000 µF
Voltage Rating	16 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
Height Maximum	1.240" (31.50 mm)
Operating Temperature Range	-40°C to 85°C
Lifetime @ Temperature	1000 Hrs @ 85°C
Ripple Current @ 120 Hz	1.315 A
Application Category	Audio
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the RFS-16V102MJ7#5 are categorized based on strict electrical and mechanical compatibility criteria:

Upgrade Category (Higher Voltage Rating): Parts with 50 V or 63 V ratings provide enhanced voltage margin while maintaining identical capacitance (1000 µF), tolerance (±20%), and mechanical footprint (0.295" lead spacing, 0.630" diameter). These parts are electrically backward-compatible in 16 V applications.

Similar Category (Same Voltage Rating): Parts with 16 V rating and identical capacitance maintain full electrical equivalence. Mechanical variations in case diameter and height are noted where they occur.

Key Parameters Determining Substitution:

Capacitance: 1000 µF (fixed requirement)
Tolerance: ±20% (fixed requirement)
Polarization: Polar (fixed requirement)
Lead Spacing: 0.295" (7.50 mm) preferred for direct mechanical compatibility
Case Diameter: 0.630" (16.00 mm) preferred for direct mechanical compatibility
Mounting Type: Through Hole (fixed requirement)
Package: Radial, Can (fixed requirement)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lead Spacing	Case Diameter	Height Max	Lifetime @ Temp	Operating Temp Range	Product Status	Ripple Current @ 120 Hz
RFS-16V102MJ7#5	Elna America	1000 µF	16 V	±20%	0.295" (7.50 mm)	0.630" (16.00 mm)	1.240" (31.50 mm)	1000 Hrs @ 85°C	-40°C to 85°C	Obsolete	1.315 A
ELXV500ELL102ML30S	Chemi-Con	1000 µF	50 V	±20%	0.295" (7.50 mm)	0.630" (16.00 mm)	1.260" (32.00 mm)	5000 Hrs @ 105°C	-55°C to 105°C	Active	1.29 A
ELXY500ELL102ML30S	Chemi-Con	1000 µF	50 V	±20%	0.295" (7.50 mm)	0.630" (16.00 mm)	1.240" (31.50 mm)	8000 Hrs @ 105°C	-55°C to 105°C	Active	1.29 A
UKW1J102MHD	Nichicon	1000 µF	63 V	±20%	0.295" (7.50 mm)	0.630" (16.00 mm)	0.984" (25.00 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Not For New Designs	1.3 A
108CKR063M	Cornell Dubilier / Illinois Capacitor	1000 µF	63 V	±20%	0.295" (7.50 mm)	0.630" (16.00 mm)	1.240" (31.50 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Active	1.67 A
EEU-FC1J102U	Panasonic Electronic Components	1000 µF	63 V	±20%	0.295" (7.50 mm)	0.630" (16.00 mm)	1.240" (31.50 mm)	5000 Hrs @ 105°C	-55°C to 105°C	Active	2.003 A
SEK102M063ST	Cornell Dubilier Electronics (CDE)	1000 µF	63 V	±20%	0.295" (7.50 mm)	0.630" (16.00 mm)	1.260" (32.00 mm)	2000 Hrs @ 105°C	-55°C to 105°C	Active	1.2 A
UFG1C102MHM	Nichicon	1000 µF	16 V	±20%	0.197" (5.00 mm)	0.492" (12.50 mm)	1.063" (27.00 mm)	1000 Hrs @ 85°C	-40°C to 85°C	Obsolete	723 mA
UFW1C102MPD	Nichicon	1000 µF	16 V	±20%	0.197" (5.00 mm)	0.394" (10.00 mm)	0.630" (16.00 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Not For New Designs	770 mA
UKW1C102MPD	Nichicon	1000 µF	16 V	±20%	0.197" (5.00 mm)	0.394" (10.00 mm)	0.630" (16.00 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Not For New Designs	770 mA

Engineering Selection Recommendations

For Direct Mechanical and Electrical Replacement (Preferred):

ELXY500ELL102ML30S (Chemi-Con LXY series) provides the optimal upgrade path. This part maintains identical lead spacing (0.295"), case diameter (0.630"), and height (1.240") as the RFS-16V102MJ7#5. The 50 V rating provides voltage margin while the 1000 µF capacitance and ±20% tolerance remain unchanged. The part is Active status with ROHS3 compliance and extended lifetime (8000 Hrs @ 105°C). This substitution requires no PCB layout modifications.

For Applications Requiring Higher Voltage Margin:

EEU-FC1J102U (Panasonic FC series) offers 63 V rating with identical mechanical footprint (0.295" lead spacing, 0.630" diameter, 1.240" height). This part carries AEC-Q200 automotive qualification and Active status. The 5000 Hrs @ 105°C lifetime and -55°C to 105°C operating range exceed the original specification. ROHS3 compliant.

108CKR063M (Cornell Dubilier CKR series) provides 63 V rating with matching mechanical dimensions and Active status. Operating temperature range matches the original (-40°C to 85°C). ROHS3 compliant with MSL rating of 1 (Unlimited).

For Same-Voltage Substitution (16 V Applications):

UFW1C102MPD and UKW1C102MPD (both Nichicon, 16 V rating) maintain electrical equivalence but feature different mechanical packaging with smaller case diameter (0.394") and lead spacing (0.197"). These parts are classified as Not For New Designs. PCB layout modification is required for these substitutions.

Avoid for New Designs:

UFG1C102MHM (Nichicon UFG series) is Obsolete status. UKW1J102MHD (Nichicon UKW series) is Not For New Designs status. UFW1C102MPD and UKW1C102MPD are Not For New Designs status.

Frequently Asked Questions (FAQ)

Q: Can ELXY500ELL102ML30S directly replace RFS-16V102MJ7#5 without PCB modification?

A: Yes. ELXY500ELL102ML30S maintains identical lead spacing (0.295"), case diameter (0.630"), and height (1.240"). No PCB layout changes are required. The 50 V rating is electrically backward-compatible in 16 V applications.

Q: What is the difference between ELXV500ELL102ML30S and ELXY500ELL102ML30S?

A: Both are Chemi-Con 1000 µF, 50 V radial capacitors with identical mechanical dimensions and lead spacing. ELXY500ELL102ML30S (LXY series) provides extended lifetime (8000 Hrs @ 105°C) compared to ELXV500ELL102ML30S (LXV series, 5000 Hrs @ 105°C). ELXY500ELL102ML30S is preferred for applications requiring longer operational life.

Q: Why do UFW1C102MPD and UKW1C102MPD require PCB modification?

A: These parts feature different mechanical packaging: lead spacing of 0.197" (versus 0.295" on the original) and smaller case diameter of 0.394" (versus 0.630"). PCB footprints must be redesigned to accommodate these dimensions.

Q: Is EEU-FC1J102U suitable for audio applications?

A: EEU-FC1J102U is rated for automotive applications with AEC-Q200 qualification. While electrically compatible (1000 µF, 63 V, ±20% tolerance), it is designed for automotive environments. For audio-specific applications, ELXY500ELL102ML30S or 108CKR063M are more appropriate selections.

Q: What is the significance of "Not For New Designs" status?

A: Parts marked "Not For New Designs" are in declining production and may have limited availability. For new product development, select parts with Active status: ELXY500ELL102ML30S, EEU-FC1J102U, 108CKR063M, or SEK102M063ST.

Q: Can I use a 63 V rated capacitor in a 16 V circuit?

A: Yes. A 63 V rated capacitor is electrically backward-compatible in a 16 V application. The higher voltage rating provides additional safety margin and does not affect circuit operation. All 63 V substitute options (UKW1J102MHD, 108CKR063M, EEU-FC1J102U, SEK102M063ST) are suitable for 16 V circuits.

Q: What does ROHS3 compliance mean?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, mercury, cadmium, hexavalent chromium, and certain flame retardants. All substitute parts listed are ROHS3 compliant.

Q: Which substitute offers the best reliability for long-term operation?

A: ELXY500ELL102ML30S provides the longest rated lifetime (8000 Hrs @ 105°C) with Active product status and identical mechanical footprint. EEU-FC1J102U offers 5000 Hrs @ 105°C with AEC-Q200 automotive qualification. Both exceed the original 1000 Hrs @ 85°C specification.

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