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SMG63VB331M10X20LL Equivalent & Substitute Parts
Part Overview
The SMG63VB331M10X20LL is a 330 µF, 63 V aluminum electrolytic capacitor in radial, can package manufactured by Chemi-Con. This component is classified as obsolete, indicating discontinuation from active production. The part features a radial lead configuration with 5.00 mm lead spacing, 10.00 mm diameter, and 20.00 mm maximum seated height, designed for general-purpose applications requiring stable capacitance and extended operational life at elevated temperatures.
Identification of equivalent and substitute parts is necessary due to the obsolete status of SMG63VB331M10X20LL. Equivalent alternatives maintain the same electrical specifications and physical dimensions, ensuring direct replacement capability in existing designs without circuit modification.
Substiute Parts
Key Parameters
| Parameter | Value | Unit | Substitution Relevance |
|---|---|---|---|
| Capacitance | 330 | µF | Critical - must match exactly |
| Voltage - Rated | 63 | V | Critical - must match or exceed |
| Tolerance | ±20% | % | Critical - must match |
| Lead Spacing | 5.00 | mm | Critical - PCB hole pattern compatibility |
| Size / Dimension | 10.00 | mm Dia | Important - physical clearance |
| Height - Seated (Max) | 20.00 | mm | Important - vertical space constraint |
| Mounting Type | Through Hole | - | Critical - assembly method |
| Package / Case | Radial, Can | - | Critical - form factor |
| Lifetime @ Temp. | 2000 Hrs @ 85°C | - | Important - reliability specification |
| Operating Temperature | -40°C ~ 85°C | - | Important - thermal range |
| Polarization | Polar | - | Critical - installation orientation |
Substitute Part Grouping Explanation
Substitution eligibility for SMG63VB331M10X20LL is determined by strict adherence to the following parameters:
Critical Matching Parameters:
- Capacitance: 330 µF (exact match required)
- Voltage Rating: 63 V (exact match required)
- Tolerance: ±20% (exact match required)
- Lead Spacing: 5.00 mm (exact match required for PCB compatibility)
- Package Type: Radial, Can (exact match required)
- Mounting Type: Through Hole (exact match required)
- Polarization: Polar (exact match required)
Compatible Variation Parameters:
- Height - Seated (Max): Substitute parts may exceed 20.00 mm maximum height if physical clearance permits in the application
- ESR (Equivalent Series Resistance): Variations acceptable if not specified as critical in circuit design
- Ripple Current: Variations acceptable if substitute meets or exceeds application requirements
- RoHS Status: Substitute parts may have different compliance status (RoHS3 Compliant acceptable for RoHS non-compliant original)
All identified substitute parts maintain identical electrical ratings (330 µF, 63 V, ±20%) and physical lead configuration (5.00 mm spacing, 10.00 mm diameter, radial can package) as the original SMG63VB331M10X20LL.
Parameter Comparison
| Parameter | SMG63VB331M10X20LL (Chemi-Con) | ESMG630ELL331MJ20S (Chemi-Con) | UFW1J331MPD (Nichicon) | UKW1J331MPD (Nichicon) | ECA-1JM331 (Panasonic) | UVR1J331MPD (Nichicon) |
|---|---|---|---|---|---|---|
| Capacitance | 330 µF | 330 µF | 330 µF | 330 µF | 330 µF | 330 µF |
| Voltage - Rated | 63 V | 63 V | 63 V | 63 V | 63 V | 63 V |
| Tolerance | ±20% | ±20% | ±20% | ±20% | ±20% | ±20% |
| Lead Spacing | 5.00 mm | 5.00 mm | 5.00 mm | 5.00 mm | 5.00 mm | 5.00 mm |
| Size / Dimension | 10.00 mm Dia | 10.00 mm Dia | 10.00 mm Dia | 10.00 mm Dia | 10.00 mm Dia | 10.00 mm Dia |
| Height - Seated (Max) | 20.00 mm | 21.50 mm | 20.00 mm | 20.00 mm | 22.00 mm | 22.00 mm |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Radial, Can | Radial, Can | Radial, Can | Radial, Can | Radial, Can | Radial, Can |
| Lifetime @ Temp. | 2000 Hrs @ 85°C | 2000 Hrs @ 85°C | 2000 Hrs @ 85°C | 2000 Hrs @ 85°C | 2000 Hrs @ 85°C | 2000 Hrs @ 85°C |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Polarization | Polar | Polar | Polar | Polar | Polar | Polar |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Discontinued at DiGi Electronics | Not For New Designs | Not For New Designs | Active | Not For New Designs |
Engineering Selection Recommendations
Primary Recommendation: ECA-1JM331 (Panasonic Electronic Components)
ECA-1JM331 is the preferred substitute for SMG63VB331M10X20LL based on the following criteria:
- Maintains all critical electrical specifications: 330 µF capacitance, 63 V voltage rating, ±20% tolerance
- Identical lead spacing (5.00 mm) and diameter (10.00 mm) for direct PCB compatibility
- Product Status: Active, indicating continued availability and manufacturing support
- RoHS3 Compliant, meeting current environmental and regulatory requirements
- Equivalent operational temperature range (-40°C ~ 85°C) and lifetime rating (2000 Hrs @ 85°C)
- Height of 22.00 mm requires verification of vertical clearance in the application
Secondary Recommendations:
ESMG630ELL331MJ20S (Chemi-Con) - Same manufacturer as original part, maintaining design continuity. RoHS3 Compliant. Height of 21.50 mm requires clearance verification. Discontinued at DiGi Electronics; availability may be limited.
UFW1J331MPD (Nichicon) - Exact height match (20.00 mm) to original part. RoHS3 Compliant. Product Status: Not For New Designs. Suitable for replacement in existing designs where height constraint is critical.
UKW1J331MPD (Nichicon) - Exact height match (20.00 mm) to original part. RoHS3 Compliant. Product Status: Not For New Designs. Suitable for replacement in existing designs where height constraint is critical.
UVR1J331MPD (Nichicon) - Highest inventory availability (13,392 Pcs). RoHS3 Compliant. Height of 22.00 mm requires clearance verification. Product Status: Not For New Designs.
All substitute parts satisfy the critical electrical and mechanical parameters required for direct replacement of SMG63VB331M10X20LL in through-hole applications.
Frequently Asked Questions (FAQ)
Q: Can UFW1J331MPD or UKW1J331MPD be used as direct replacements for SMG63VB331M10X20LL?
A: Yes. Both parts maintain identical capacitance (330 µF), voltage rating (63 V), tolerance (±20%), lead spacing (5.00 mm), diameter (10.00 mm), and height (20.00 mm). The primary difference is manufacturer (Nichicon vs. Chemi-Con) and product status (Not For New Designs). Both are electrically and mechanically compatible for direct PCB substitution.
Q: Why does ECA-1JM331 have a greater height (22.00 mm) than the original SMG63VB331M10X20LL (20.00 mm)?
A: Height variation is a permitted parameter difference among equivalent aluminum electrolytic capacitors with identical electrical ratings and lead spacing. The 2.00 mm height increase must be evaluated against available vertical clearance in the application. If vertical space is constrained, UFW1J331MPD or UKW1J331MPD maintain the original 20.00 mm height.
Q: Is RoHS compliance a requirement for substitution?
A: RoHS compliance is not a substitution requirement based on electrical or mechanical parameters. However, ECA-1JM331, ESMG630ELL331MJ20S, UFW1J331MPD, UKW1J331MPD, and UVR1J331MPD are all RoHS3 Compliant, whereas the original SMG63VB331M10X20LL is RoHS non-compliant. Compliance status should be evaluated against application and regulatory requirements.
Q: What is the difference between "Discontinued at DiGi Electronics" and "Not For New Designs" product status?
A: "Discontinued at DiGi Electronics" indicates the part is no longer available through this specific distributor but may be available through other channels. "Not For New Designs" indicates the manufacturer has ceased active support and recommends alternative parts for new applications, though existing inventory may remain available. Both statuses indicate limited future availability.
Q: Can I substitute a part with higher ripple current rating?
A: Yes. Ripple current specifications vary among the substitute parts (ranging from 550 mA to 710 mA @ 120 Hz). A substitute with equal or higher ripple current rating is acceptable. The original SMG63VB331M10X20LL specifies 710 mA @ 120 Hz; ECA-1JM331 specifies 550 mA @ 120 Hz. Verify that the application's ripple current requirement does not exceed the substitute part's rating.
Q: Are all substitute parts suitable for audio applications?
A: UFW1J331MPD and UKW1J331MPD are specifically rated for audio applications. ECA-1JM331, ESMG630ELL331MJ20S, and UVR1J331MPD are rated for general-purpose applications. Audio-specific ratings indicate optimized performance characteristics for audio frequency ripple current and noise specifications. For audio applications, UFW1J331MPD or UKW1J331MPD are preferred.
Q: What is the significance of ESR (Equivalent Series Resistance)?
A: ESR affects capacitor performance in high-frequency applications and thermal stability. The original SMG63VB331M10X20LL specifies 452 mOhm @ 120 Hz. Substitute parts do not provide ESR specifications in the available data. If ESR is a critical design parameter, contact the manufacturer for detailed specifications before substitution.
Q: Can I use ESMG630ELL331MJ20S as a direct replacement?
A: Yes, with height clearance verification. ESMG630ELL331MJ20S is manufactured by Chemi-Con (same as original) and maintains all critical electrical specifications. The height of 21.50 mm exceeds the original 20.00 mm by 1.50 mm. Verify available vertical clearance in the PCB assembly before substitution.
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