SMG50VB2R2M5X11LL Equivalent & Substitute Parts

Part Overview

The SMG50VB2R2M5X11LL is a 2.2 µF 50 V aluminum electrolytic capacitor in radial configuration manufactured by Chemi-Con. This component is classified as obsolete, indicating discontinued production. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 2000 hours at 85°C, suitable for general-purpose applications requiring stable capacitance and low equivalent series resistance.

Identifying equivalent and substitute parts is necessary due to the obsolete status of the SMG50VB2R2M5X11LL. Alternative components with matching or superior electrical and mechanical specifications ensure design continuity and supply chain reliability.

Key Parameters

Parameter	Value	Unit
Capacitance	2.2	µF
Voltage - Rated	50	V
Tolerance	±20%	-
ESR @ 120Hz	191	mOhm
Lifetime @ 85°C	2000	Hrs
Operating Temperature Range	-40 to 85	°C
Ripple Current @ 120 Hz	28	mA
Ripple Current @ 100 kHz	70	mA
Lead Spacing	2.00	mm
Diameter	5.00	mm
Height - Seated (Max)	11.00	mm
Mounting Type	Through Hole	-
Package / Case	Radial, Can	-
RoHS Status	RoHS non-compliant	-

Substitute Part Grouping Explanation

Substitution of the SMG50VB2R2M5X11LL is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 2.2 µF (exact match required)
Voltage Rating: 50 V minimum (equal or higher acceptable)
Tolerance: ±20% (matching tolerance)
Mounting Type: Through Hole (mechanical compatibility)
Package / Case: Radial, Can (form factor compatibility)
Lead Spacing: 2.00 mm (PCB layout compatibility)
Diameter: 5.00 mm (spatial constraint compatibility)

Secondary Compatibility Parameters:

Operating Temperature Range: -40°C to 85°C minimum
Lifetime @ Temperature: 2000 Hrs @ 85°C minimum
Ripple Current Ratings: Must meet or exceed specified values at operating frequencies

Substitute parts are grouped into three categories based on their relationship to the main part:

Direct Equivalents: Parts matching all primary criteria with identical or superior electrical performance at the same voltage rating (50 V).

Upgraded Alternatives: Parts with enhanced specifications such as higher voltage ratings (100 V), extended temperature ranges, or improved lifetime ratings, suitable for applications requiring additional design margin.

Similar Alternatives: Parts from different manufacturers meeting all primary criteria, offering supply chain flexibility while maintaining electrical and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Capacitance (µF)	Voltage (V)	Tolerance	Lifetime @ Temp	Operating Temp (°C)	Height (mm)	Product Status	RoHS Status
SMG50VB2R2M5X11LL	Chemi-Con	2.2	50	±20%	2000 Hrs @ 85°C	-40 to 85	11.00	Obsolete	Non-compliant
ESMG500ELL2R2ME11D	Chemi-Con	2.2	50	±20%	2000 Hrs @ 85°C	-40 to 85	12.50	Active	ROHS3 Compliant
UKW1H2R2MDD	Nichicon	2.2	50	±20%	2000 Hrs @ 85°C	-40 to 85	11.00	Obsolete	ROHS3 Compliant
EEU-EB1H2R2S	Panasonic Electronic Components	2.2	50	±20%	5000 Hrs @ 105°C	-40 to 105	12.00	Active	ROHS3 Compliant
UKW2A2R2MDD	Nichicon	2.2	100	±20%	2000 Hrs @ 85°C	-40 to 85	11.00	Obsolete	ROHS3 Compliant
UPW1H2R2MDD	Nichicon	2.2	50	±20%	2000 Hrs @ 105°C	-55 to 105	11.00	Obsolete	ROHS3 Compliant
UPW2A2R2MDD	Nichicon	2.2	100	±20%	2000 Hrs @ 105°C	-55 to 105	11.00	Obsolete	ROHS3 Compliant
860010672006	Würth Elektronik	2.2	50	±20%	2000 Hrs @ 85°C	-40 to 85	12.50	Active	ROHS3 Compliant
ECA-1HM2R2	Panasonic Electronic Components	2.2	50	±20%	2000 Hrs @ 85°C	-40 to 85	12.00	Active	ROHS3 Compliant
SK2R2M050ST	Cornell Dubilier Electronics (CDE)	2.2	50	±20%	2000 Hrs @ 85°C	-40 to 85	13.00	Active	ROHS3 Compliant
UVR1H2R2MDD	Nichicon	2.2	50	±20%	2000 Hrs @ 85°C	-40 to 85	12.50	Obsolete	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement with Active Status:

ESMG500ELL2R2ME11D (Chemi-Con) is the primary direct equivalent. This part maintains identical electrical specifications (2.2 µF, 50 V, ±20%, 2000 Hrs @ 85°C) while offering active product status and ROHS3 compliance. The height increase from 11.00 mm to 12.50 mm requires PCB layout verification but does not affect electrical performance. This part is recommended for applications where manufacturer continuity is preferred.

For Active Status with Enhanced Compliance:

ECA-1HM2R2 (Panasonic Electronic Components) and 860010672006 (Würth Elektronik) both provide active product status and ROHS3 compliance with matching electrical specifications. These parts offer supply chain stability and regulatory compliance advantages. Height variations (12.00 mm and 12.50 mm respectively) require PCB clearance verification.

For Extended Temperature Performance:

EEU-EB1H2R2S (Panasonic Electronic Components) provides superior lifetime rating (5000 Hrs @ 105°C) and extended operating temperature range (-40°C to 105°C). This part is suitable for applications requiring enhanced thermal performance and extended service life. Active product status and ROHS3 compliance are confirmed.

For Higher Voltage Margin:

UKW2A2R2MDD and UPW2A2R2MDD (Nichicon) offer 100 V ratings, providing additional design margin for applications subject to voltage transients. UPW2A2R2MDD additionally provides extended temperature range (-55°C to 105°C) and improved lifetime at elevated temperature (2000 Hrs @ 105°C).

For Lowest Profile Applications:

UKW1H2R2MDD, UPW1H2R2MDD, and UKW2A2R2MDD maintain the original 11.00 mm height, eliminating PCB layout modifications. These parts are suitable for space-constrained designs.

Frequently Asked Questions (FAQ)

Q: Can SMG50VB2R2M5X11LL be directly replaced with ESMG500ELL2R2ME11D?

A: Yes. Both parts share identical electrical specifications: 2.2 µF capacitance, 50 V rating, ±20% tolerance, and 2000 Hrs @ 85°C lifetime. The height difference (11.00 mm to 12.50 mm) requires verification of PCB clearance above the component. ESMG500ELL2R2ME11D offers the advantage of active product status and ROHS3 compliance.

Q: What is the difference between 50 V and 100 V rated parts?

A: The 100 V rated parts (UKW2A2R2MDD, UPW2A2R2MDD) provide higher voltage margin and are suitable for circuits experiencing voltage transients or requiring additional safety factor. However, they occupy the same physical footprint and maintain identical 2.2 µF capacitance. Selection depends on circuit voltage requirements and design margin specifications.

Q: Are all substitute parts RoHS compliant?

A: The original SMG50VB2R2M5X11LL is RoHS non-compliant. All recommended substitute parts are ROHS3 compliant, meeting current regulatory requirements. This compliance status should be verified against specific application and regional requirements.

Q: What is the significance of lifetime ratings at different temperatures?

A: Lifetime ratings indicate expected operational duration under specified temperature conditions. EEU-EB1H2R2S (5000 Hrs @ 105°C) provides extended service life compared to standard parts (2000 Hrs @ 85°C). Selection depends on application duty cycle and expected service life requirements.

Q: Can parts with different heights be used interchangeably?

A: Height differences require PCB layout verification. Parts with 11.00 mm height (original specification) can be substituted with 12.00 mm or 12.50 mm height parts only if PCB clearance above the component location permits. Mechanical interference must be excluded before substitution.

Q: What does ±20% tolerance mean for capacitance?

A: Tolerance indicates the acceptable deviation from the nominal 2.2 µF value. ±20% means the actual capacitance can range from 1.76 µF to 2.64 µF. All substitute parts maintain this tolerance specification, ensuring compatibility with circuit design parameters.

Q: Which substitute part offers the best overall performance upgrade?

A: EEU-EB1H2R2S provides the most comprehensive performance upgrade with 5000 Hrs @ 105°C lifetime (2.5× longer than standard parts), extended operating temperature range to 105°C, active product status, and ROHS3 compliance. This part is suitable for applications requiring enhanced reliability and regulatory compliance.

Q: Are there supply chain advantages to selecting specific manufacturers?

A: Yes. Active product status parts (ESMG500ELL2R2ME11D, EEU-EB1H2R2S, ECA-1HM2R2, 860010672006, SK2R2M050ST) offer superior supply chain stability compared to obsolete parts. Selection should prioritize active status parts to ensure long-term availability and consistent quality.

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