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476SML016M Equivalent & Substitute Parts Reference
Part Overview
The 476SML016M is a 47 µF, 16 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Cornell Dubilier / Illinois Capacitor. This component operates across a temperature range of -40°C to 85°C with a rated lifetime of 2000 hours at 85°C. The part is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).
Equivalent and substitute parts are necessary when the original 476SML016M becomes unavailable, when design requirements demand enhanced performance characteristics such as higher voltage ratings or improved thermal stability, or when alternative manufacturers' components offer superior electrical properties within the same physical footprint and functional specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Capacitance | 47 | µF |
| Tolerance | ±20% | - |
| Voltage - Rated | 16 | V |
| ESR @ 120 Hz | 7.055 | Ohm |
| Lifetime @ Temperature | 2000 Hrs @ 85°C | - |
| Operating Temperature Range | -40°C ~ 85°C | - |
| Ripple Current @ 120 Hz | 75 | mA |
| Ripple Current @ 100 kHz | 112.5 | mA |
| Case Diameter | 6.30 | mm |
| Height - Seated (Max) | 5.50 | mm |
| Surface Mount Land Size | 6.60 x 6.60 | mm |
| Mounting Type | Surface Mount | - |
| Package / Case | Radial, Can - SMD | - |
| RoHS Status | ROHS3 Compliant | - |
| Moisture Sensitivity Level | 1 (Unlimited) | - |
Substitute Part Grouping Explanation
Substitution of the 476SML016M is determined by strict adherence to the following electrical and mechanical parameters:
Primary Substitution Criteria (Must Match):
- Capacitance: 47 µF
- Tolerance: ±20%
- Mounting Type: Surface Mount
- Package / Case: Radial, Can - SMD
- Surface Mount Land Size: 6.60 mm × 6.60 mm
- Polarization: Polar
Secondary Compatibility Parameters (Allowable Variation):
- Voltage Rating: Equal to or greater than 16 V
- Operating Temperature Range: Must encompass -40°C to 85°C minimum
- Lifetime @ Temperature: 2000 hours minimum at rated temperature
- Case Diameter: 6.30 mm (fixed)
- Height - Seated: Variation within PCB assembly constraints
- ESR: Lower values indicate improved performance; higher values acceptable if within ripple current specifications
- Ripple Current: Must meet or exceed application requirements at specified frequencies
Compliance Requirements:
- RoHS3 Compliant or RoHS Compliant
- MSL 1 (Unlimited) preferred; other MSL ratings acceptable based on assembly process
- REACH Unaffected or REACH Compliant status required
Parts are grouped into three categories: Direct Equivalents (identical voltage and temperature ratings), Upgraded Substitutes (higher voltage or temperature ratings), and Compatible Alternatives (same electrical specifications with different manufacturers).
Parameter Comparison
| Part Number | Manufacturer | Capacitance (µF) | Voltage (V) | ESR @ 120Hz (Ohm) | Lifetime @ Temp | Temp Range (°C) | Height (mm) | Status |
|---|---|---|---|---|---|---|---|---|
| 476SML016M | Cornell Dubilier / Illinois Capacitor | 47 | 16 | 7.055 | 2000 Hrs @ 85°C | -40 ~ 85 | 5.50 | Active |
| 476AXZ035MQ5 | Cornell Dubilier / Illinois Capacitor | 47 | 35 | 4.23 | 2000 Hrs @ 105°C | -55 ~ 105 | 5.60 | Active |
| 16SEV47M6.3X5.5 | Rubycon | 47 | 16 | - | 2000 Hrs @ 85°C | -40 ~ 85 | 5.50 | Last Time Buy |
| AVE476M16D16T-F | Cornell Dubilier Electronics (CDE) | 47 | 16 | 7.05 | 2000 Hrs @ 85°C | -40 ~ 85 | 5.30 | Obsolete |
| AVS476M16D16T-F | Cornell Dubilier Electronics (CDE) | 47 | 16 | 5.6 | 2000 Hrs @ 85°C | -40 ~ 85 | 5.40 | Not For New Designs |
| EEE-1CA470AP | Panasonic Electronic Components | 47 | 16 | - | 2000 Hrs @ 85°C | -40 ~ 85 | 5.50 | Not For New Designs |
| EEE-1CA470SP | Panasonic Electronic Components | 47 | 16 | - | 2000 Hrs @ 85°C | -40 ~ 85 | 5.50 | Not For New Designs |
| UWX1C470MCL1GB | Nichicon | 47 | 16 | - | 2000 Hrs @ 85°C | -40 ~ 85 | 5.40 | Obsolete |
| 25SEV47M6.3X5.5 | Rubycon | 47 | 25 | - | 2000 Hrs @ 85°C | -40 ~ 85 | 5.50 | Last Time Buy |
| 865060343004 | Würth Elektronik | 47 | 16 | - | 2000 Hrs @ 105°C | -55 ~ 105 | 5.50 | Active |
| 865060443004 | Würth Elektronik | 47 | 25 | - | 2000 Hrs @ 105°C | -55 ~ 105 | 5.50 | Active |
Engineering Selection Recommendations
Direct Equivalents (Recommended for 1:1 Replacement):
The 16SEV47M6.3X5.5 (Rubycon) serves as a direct equivalent with identical electrical specifications: 47 µF, 16 V, 2000 hours @ 85°C, and -40°C to 85°C operating range. This part maintains the same physical footprint and surface mount land size. However, product status is Last Time Buy, indicating limited future availability. AEC-Q200 automotive qualification is included.
The EEE-1CA470SP (Panasonic) and EEE-1CA470AP (Panasonic) are direct electrical equivalents with matching capacitance, voltage, temperature range, and lifetime specifications. Both parts carry AEC-Q200 automotive ratings. Product status is Not For New Designs, restricting their use to legacy system support or existing design maintenance only.
Upgraded Substitutes (Enhanced Performance):
The 476AXZ035MQ5 (Cornell Dubilier / Illinois Capacitor) provides voltage upgrade to 35 V with improved ESR of 4.23 Ohm @ 120 Hz (compared to 7.055 Ohm in the main part) and extended thermal capability to 2000 hours @ 105°C. Operating temperature range extends to -55°C ~ 105°C. This part is Active status and suitable for new designs requiring enhanced thermal margin or higher voltage headroom. Height increases marginally to 5.60 mm.
The 865060343004 (Würth Elektronik WCAP-ASLL series) maintains 16 V rating while extending lifetime to 2000 hours @ 105°C with operating range -55°C ~ 105°C. Ripple current capability increases to 149.5 mA @ 120 Hz and 230 mA @ 100 kHz. This part is Active status and suitable for applications requiring improved thermal stability without voltage upgrade.
The 25SEV47M6.3X5.5 (Rubycon) upgrades voltage to 25 V while maintaining 2000 hours @ 85°C lifetime and -40°C to 85°C operating range. AEC-Q200 automotive qualification is included. Product status is Last Time Buy.
The 865060443004 (Würth Elektronik WCAP-ASLL series) combines 25 V voltage upgrade with extended thermal capability to 2000 hours @ 105°C and -55°C ~ 105°C operating range. This part is Active status.
Obsolete or Restricted Parts (Not Recommended for New Designs):
The AVE476M16D16T-F (Cornell Dubilier Electronics) is classified as Obsolete and should not be selected for new designs. The AVS476M16D16T-F (Cornell Dubilier Electronics) carries Not For New Designs status. The UWX1C470MCL1GB (Nichicon) is Obsolete. These parts are available only for legacy system support or repair applications where original component specifications are mandatory.
Compliance and Certification:
All recommended substitute parts maintain ROHS3 Compliant or RoHS Compliant status. Moisture Sensitivity Level 1 (Unlimited) is standard across all parts, eliminating special handling requirements. REACH Unaffected or REACH Compliant status is confirmed for all alternatives.
Frequently Asked Questions (FAQ)
Q: Can the 476AXZ035MQ5 be used as a direct replacement for the 476SML016M?
A: The 476AXZ035MQ5 is electrically compatible as a substitute but not a direct replacement. It maintains the same 47 µF capacitance and surface mount package, but the voltage rating increases from 16 V to 35 V. This upgrade is acceptable in applications where the circuit voltage does not exceed 16 V, as higher-rated capacitors operate safely at lower voltages. The improved ESR (4.23 Ohm vs. 7.055 Ohm) and extended thermal rating (105°C vs. 85°C) provide performance benefits. Physical height increases from 5.50 mm to 5.60 mm; verify PCB assembly clearance before substitution.
Q: What is the difference between Direct Equivalents and Upgraded Substitutes?
A: Direct Equivalents match all primary electrical specifications of the 476SML016M: 47 µF capacitance, 16 V voltage rating, 2000 hours @ 85°C lifetime, and -40°C to 85°C operating range. These parts are suitable for 1:1 replacement in existing designs. Upgraded Substitutes maintain the 47 µF capacitance and surface mount package but offer enhanced performance through higher voltage ratings (25 V or 35 V) or extended thermal capability (105°C operation). Upgraded Substitutes are appropriate when design requirements demand improved performance margins or when the original part becomes unavailable.
Q: Why are some parts marked as Obsolete or Not For New Designs?
A: Parts classified as Obsolete or Not For New Designs have been discontinued by manufacturers or are in end-of-life status. These designations indicate that future availability is uncertain or that manufacturers no longer recommend their use in new product development. Such parts should be used only for legacy system maintenance, repair, or replacement of failed components in existing installations. For new designs, select parts with Active product status to ensure long-term supply chain stability and manufacturer support.
Q: Are all substitute parts compatible with the same PCB footprint?
A: All substitute parts share the same surface mount land size of 6.60 mm × 6.60 mm and case diameter of 6.30 mm, ensuring PCB footprint compatibility. However, seated height varies slightly: the main part and most equivalents measure 5.50 mm, while some alternatives range from 5.30 mm to 5.60 mm. Verify that PCB assembly clearance accommodates the maximum height of the selected substitute, particularly in space-constrained applications or when components are mounted on both sides of the board.
Q: What does ESR (Equivalent Series Resistance) indicate, and why does it vary among substitutes?
A: ESR represents the internal resistance of the capacitor at a specified frequency (120 Hz in this reference). Lower ESR values indicate better high-frequency performance and reduced heat generation under ripple current conditions. The 476SML016M exhibits 7.055 Ohm ESR @ 120 Hz. Upgraded substitutes such as the 476AXZ035MQ5 (4.23 Ohm) and 865060343004 (440 mOhms impedance) demonstrate improved ESR characteristics. When ESR data is not provided for a part, ripple current ratings at specified frequencies serve as the performance indicator. Select substitutes with equal or lower ESR values to maintain or improve circuit performance.
Q: Can I use a 25 V or 35 V rated capacitor in a circuit designed for 16 V?
A: Yes. Capacitors rated for higher voltages than the circuit operating voltage are safe to use. A 25 V or 35 V capacitor will function correctly in a 16 V circuit. The higher voltage rating provides additional safety margin and typically results in improved performance characteristics such as lower ESR and extended thermal lifetime. However, verify that the physical dimensions (particularly height) do not exceed PCB assembly constraints. Higher voltage ratings may result in slightly larger case sizes in some product lines.
Q: What is AEC-Q200 qualification, and why is it important?
A: AEC-Q200 is an automotive electronics qualification standard that certifies components for use in automotive applications. Parts bearing this certification have undergone rigorous testing for reliability, temperature cycling, and performance stability under automotive operating conditions. Several substitute parts (16SEV47M6.3X5.5, AVS476M16D16T-F, EEE-1CA470AP, EEE-1CA470SP, 25SEV47M6.3X5.5) carry AEC-Q200 qualification. If the original design specifies automotive-grade components, select substitutes with matching AEC-Q200 certification to maintain design integrity and warranty compliance.
Q: How do I determine which substitute is best for my application?
A: Selection depends on three factors: (1) Product Status—choose Active status parts for new designs; (2) Electrical Requirements—if the circuit operates below 16 V, upgraded 25 V or 35 V parts are acceptable and offer performance benefits; (3) Thermal Environment—if the application experiences sustained temperatures above 85°C, select upgraded parts rated to 105°C. For legacy system repair, match the original part specifications exactly using Direct Equivalents. Consult the Parameter Comparison table to verify that ripple current ratings meet your application's requirements at the specified frequency (120 Hz or 100 kHz).
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