SMG10VB47RM5X11LL Equivalent & Substitute Parts

Part Overview

The SMG10VB47RM5X11LL is a 47 µF, 10 V aluminum electrolytic capacitor in radial configuration manufactured by Chemi-Con. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 2000 hours at 85°C, making it suitable for general-purpose applications requiring stable capacitance performance in standard operating environments.

Key Parameters

Parameter	Value
Capacitance	47 µF
Tolerance	±20%
Voltage Rating	10 V
ESR @ 120 Hz	47 mOhm
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Ripple Current @ 120 Hz	100 mA
Ripple Current @ 100 kHz	180 mA
Lead Spacing	0.079" (2.00 mm)
Diameter	0.197" (5.00 mm)
Height	0.433" (11.00 mm)
Mounting Type	Through Hole
Package	Radial, Can
RoHS Status	Non-compliant

Substitute Part Grouping Explanation

Substitution of the SMG10VB47RM5X11LL is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 47 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: 10 V minimum (equal or higher voltage acceptable)
Polarization: Polar (required)
Mounting Type: Through Hole (required)
Package: Radial, Can (required)
Lead Spacing: 0.079" (2.00 mm) (required for PCB compatibility)
Diameter: 0.197" (5.00 mm) (required for mechanical fit)

Secondary Compatibility Parameters:

Operating Temperature Range: -40°C minimum to 85°C minimum
Ripple Current Ratings: Must meet or exceed application requirements
Lifetime @ Temperature: 2000 hours minimum at rated temperature

Substitute parts are grouped into three categories: direct equivalents (matching 10 V rating), upgrades (higher voltage ratings with improved thermal performance), and similar alternatives (same voltage with different thermal characteristics).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR @ 120 Hz	Lifetime @ Temp	Operating Temp	Height	Status	RoHS
SMG10VB47RM5X11LL	Chemi-Con	47 µF	10 V	±20%	47 mOhm	2000 Hrs @ 85°C	-40°C ~ 85°C	0.433"	Obsolete	Non-compliant
ESMG100ELL470ME11D	Chemi-Con	47 µF	10 V	±20%	—	2000 Hrs @ 85°C	-40°C ~ 85°C	0.492"	Active	ROHS3 Compliant
SEK470M010ST	Cornell Dubilier Electronics	47 µF	10 V	±20%	6.21 Ohm	2000 Hrs @ 105°C	-55°C ~ 105°C	0.512"	Active	ROHS3 Compliant
EKZE250ELL470ME11D	Chemi-Con	47 µF	25 V	±20%	—	2000 Hrs @ 105°C	-40°C ~ 105°C	0.492"	Active	ROHS3 Compliant
476SAK025M	Cornell Dubilier / Illinois Capacitor	47 µF	25 V	±20%	5.644 Ohm	2000 Hrs @ 85°C	-40°C ~ 85°C	0.413"	Active	ROHS3 Compliant
517D476M025JA6AE3	Vishay Sprague	47 µF	25 V	±20%	—	2000 Hrs @ 105°C	-55°C ~ 105°C	0.433"	Obsolete	ROHS3 Compliant
EEU-EB1E470S	Panasonic Electronic Components	47 µF	25 V	±20%	—	5000 Hrs @ 105°C	-40°C ~ 105°C	0.472"	Active	ROHS3 Compliant
UFW1E470MDD	Nichicon	47 µF	25 V	±20%	—	2000 Hrs @ 85°C	-40°C ~ 85°C	0.492"	Obsolete	ROHS3 Compliant
UFW1V470MDD	Nichicon	47 µF	35 V	±20%	—	2000 Hrs @ 85°C	-40°C ~ 85°C	0.492"	Obsolete	ROHS3 Compliant
UKW1E470MDD	Nichicon	47 µF	25 V	±20%	—	2000 Hrs @ 85°C	-40°C ~ 85°C	0.433"	Obsolete	ROHS3 Compliant
UKW1V470MDD	Nichicon	47 µF	35 V	±20%	—	2000 Hrs @ 85°C	-40°C ~ 85°C	0.433"	Obsolete	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (10 V Rating):

ESMG100ELL470ME11D from Chemi-Con is the primary direct equivalent. It maintains the same capacitance, tolerance, voltage rating, and operating temperature range as the original part. The height difference (0.492" vs. 0.433") requires PCB layout verification. This part is active and ROHS3 compliant, addressing obsolescence and regulatory compliance concerns.

SEK470M010ST from Cornell Dubilier Electronics provides an alternative 10 V equivalent with extended thermal performance (2000 Hrs @ 105°C vs. 85°C) and wider operating temperature range (-55°C to 105°C). The increased height (0.512") and higher ESR (6.21 Ohm vs. 47 mOhm) require circuit validation. This part is active and ROHS3 compliant.

Voltage Upgrade Options (25 V Rating):

EKZE250ELL470ME11D from Chemi-Con provides a 25 V upgrade with improved thermal performance (2000 Hrs @ 105°C) and extended operating temperature range (-40°C to 105°C). Height increase to 0.492" requires PCB verification. This part is active and ROHS3 compliant.

EEU-EB1E470S from Panasonic Electronic Components offers the longest lifetime rating (5000 Hrs @ 105°C) among all substitutes, with 25 V rating and extended temperature range. Height of 0.472" is intermediate. This part is active and ROHS3 compliant, providing superior long-term reliability.

476SAK025M from Cornell Dubilier / Illinois Capacitor provides a 25 V upgrade with the smallest height (0.413"), potentially offering space savings. It is active and ROHS3 compliant.

Voltage Upgrade Options (35 V Rating):

UFW1V470MDD and UKW1V470MDD from Nichicon provide 35 V ratings for applications requiring additional voltage margin. Both are obsolete but ROHS3 compliant. These parts are suitable only if circuit design permits higher voltage operation.

Compliance Considerations:

All substitute parts except the original SMG10VB47RM5X11LL are ROHS3 compliant. Selection of any substitute addresses both obsolescence and regulatory compliance requirements. Active status parts (ESMG100ELL470ME11D, SEK470M010ST, EKZE250ELL470ME11D, EEU-EB1E470S, 476SAK025M) provide superior long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can ESMG100ELL470ME11D directly replace SMG10VB47RM5X11LL without circuit modification?

A: ESMG100ELL470ME11D is electrically equivalent (47 µF, 10 V, ±20% tolerance). However, the height increases from 0.433" to 0.492", requiring PCB layout verification to confirm clearance. Lead spacing and diameter remain identical.

Q: What is the primary advantage of selecting a 25 V rated substitute over a 10 V equivalent?

A: 25 V rated substitutes provide voltage margin for circuit protection and typically offer improved thermal performance. EKZE250ELL470ME11D and EEU-EB1E470S both support extended operating temperatures (105°C vs. 85°C), extending component lifetime in thermally demanding applications.

Q: Why is EEU-EB1E470S recommended for high-reliability applications?

A: EEU-EB1E470S specifies 5000 hours lifetime at 105°C, compared to 2000 hours for most alternatives. This extended rating provides superior reliability margin for mission-critical circuits. The part is active and ROHS3 compliant.

Q: Are all substitute parts through-hole radial cans with 2.00 mm lead spacing?

A: Yes. All listed substitutes maintain 0.079" (2.00 mm) lead spacing and radial can packaging, ensuring PCB footprint compatibility. Height variations range from 0.413" to 0.512" and require individual verification against PCB clearance requirements.

Q: Which substitutes are currently in active production status?

A: ESMG100ELL470ME11D (Chemi-Con), SEK470M010ST (Cornell Dubilier), EKZE250ELL470ME11D (Chemi-Con), EEU-EB1E470S (Panasonic), and 476SAK025M (Cornell Dubilier / Illinois Capacitor) are all active. These parts provide superior supply chain availability and long-term procurement security.

Q: Does voltage rating affect circuit performance if a higher-rated substitute is used?

A: Higher voltage ratings do not degrade circuit performance in applications designed for lower voltages. A 25 V or 35 V capacitor functions correctly in a 10 V circuit, providing additional safety margin. Verify that PCB layout accommodates any dimensional changes.

Q: What is the impact of ESR differences between substitutes?

A: ESR affects ripple current handling and thermal performance. SEK470M010ST specifies 6.21 Ohm ESR compared to 47 mOhm for the original part. Lower ESR reduces heat generation and improves high-frequency performance. Circuit validation is required if ripple current specifications are critical.

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