227SML016M Equivalent & Substitute Parts

Part Overview

The Cornell Dubilier 227SML016M is a 220 µF, 16 V aluminum electrolytic capacitor in surface mount radial can package. This component is classified as Active product status and is designed for general purpose applications. The part is packaged in Tape & Reel format with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when addressing supply chain constraints, design upgrades for enhanced performance characteristics, or when transitioning to alternative manufacturers while maintaining electrical and mechanical compatibility within the same package footprint and mounting configuration.

Key Parameters

Parameter	Specification
Capacitance	220 µF
Voltage Rating	16 V
Tolerance	±20%
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Polarization	Polar
Physical Dimensions	0.315" Dia (8.00mm) × 0.417" Height (10.60mm)
Land Size	0.327" L × 0.327" W (8.30mm × 8.30mm)
Lifetime Rating	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 227SML016M is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Capacitance value: 220 µF (exact match required)
Tolerance: ±20% (exact match required)
Package type: Radial, Can - SMD (exact match required)
Mounting type: Surface Mount (exact match required)
Physical dimensions: 0.315" Dia (8.00mm) and height within compatible range
Land size: 0.327" L × 0.327" W (8.30mm × 8.30mm) (exact match required)
Polarization: Polar (exact match required)

Voltage Rating Substitution Logic:

Direct equivalents: 16 V rated parts maintain identical voltage specifications
Upgrade substitutes: Parts rated 25 V or 35 V provide higher voltage margin while maintaining all other electrical and mechanical parameters

Performance Enhancement Parameters:

ESR (Equivalent Series Resistance): Lower values indicate improved high-frequency performance
Lifetime rating: Extended hours at elevated temperature indicate enhanced reliability
Operating temperature range: Extended upper temperature limits enable operation in higher thermal environments
Ripple current capability: Higher values indicate improved current handling capacity

Substitute parts are grouped into two categories: Direct equivalents (identical voltage rating) and Upgrade substitutes (higher voltage rating with potential performance enhancements).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	ESR @ 120Hz	Lifetime @ Temp	Operating Temp Range	Ripple Current @ 120Hz	Ripple Current @ 100kHz	Product Status	Ratings
227SML016M	Cornell Dubilier / Illinois Capacitor	SML	220 µF	16 V	±20%	1.507 Ω	2000 Hrs @ 85°C	-40°C ~ 85°C	162 mA	243 mA	Active	-
227AXZ035M	Cornell Dubilier / Illinois Capacitor	AXZ	220 µF	35 V	±20%	1.06 Ω	2000 Hrs @ 105°C	-55°C ~ 105°C	300 mA	600 mA	Active	-
16SEV220M8X10.5	Rubycon	SEV	220 µF	16 V	±20%	-	2000 Hrs @ 85°C	-40°C ~ 85°C	290 mA	348 mA	Active	AEC-Q200
EEE-1CA221P	Panasonic Electronic Components	S	220 µF	16 V	±20%	-	2000 Hrs @ 85°C	-40°C ~ 85°C	280 mA	476 mA	Not For New Designs	AEC-Q200
16THV220M8X10.5	Rubycon	THV	220 µF	16 V	±20%	0.3 Ω	3000 Hrs @ 125°C	-40°C ~ 125°C	180 mA	300 mA	Active	AEC-Q200
25SEV220M8X10.5	Rubycon	SEV	220 µF	25 V	±20%	-	2000 Hrs @ 85°C	-40°C ~ 85°C	300 mA	360 mA	Active	AEC-Q200
25THV220M8X10.5	Rubycon	THV	220 µF	25 V	±20%	0.3 Ω	3000 Hrs @ 125°C	-40°C ~ 125°C	180 mA	300 mA	Active	AEC-Q200
25TKV220M8X10.5	Rubycon	TKV	220 µF	25 V	±20%	0.08 Ω	2000 Hrs @ 105°C	-55°C ~ 105°C	510 mA	850 mA	Active	AEC-Q200
25TLV220M8X10.5	Rubycon	TLV	220 µF	25 V	±20%	0.16 Ω	5000 Hrs @ 105°C	-55°C ~ 105°C	360 mA	600 mA	Active	AEC-Q200
25TRV220M8X10.5	Rubycon	TRV	220 µF	25 V	±20%	0.15 Ω	8000 Hrs @ 105°C	-40°C ~ 105°C	360 mA	600 mA	Active	-
25TZV220M8X10.5	Rubycon	TZV	220 µF	25 V	±20%	0.16 Ω	2000 Hrs @ 105°C	-55°C ~ 105°C	360 mA	600 mA	Active	AEC-Q200

Engineering Selection Recommendations

Direct Equivalent Selection (16 V Rated):

The Rubycon 16SEV220M8X10.5 serves as a direct equivalent to the 227SML016M with identical voltage rating, capacitance, tolerance, and operating temperature range. This part carries AEC-Q200 automotive qualification and Active product status, making it suitable for new designs requiring a direct replacement from an alternative manufacturer.

The Panasonic EEE-1CA221P is electrically equivalent but carries "Not For New Designs" product status. This part is suitable only for legacy system maintenance or existing design support and should not be selected for new development.

Upgrade Substitute Selection (Higher Voltage Rating):

The Rubycon 16THV220M8X10.5 provides a 16 V rated upgrade option with extended operating temperature range (-40°C ~ 125°C), improved ESR (0.3 Ω @ 100kHz), and extended lifetime (3000 Hrs @ 125°C). This part carries AEC-Q200 qualification and Active status, suitable for applications requiring enhanced thermal performance.

The Cornell Dubilier 227AXZ035M offers a 35 V rated upgrade with improved ESR (1.06 Ω @ 120Hz), extended operating temperature range (-55°C ~ 105°C), and higher ripple current capability. This part is suitable for applications requiring higher voltage margin and enhanced performance characteristics.

25 V Rated Upgrade Options:

Multiple Rubycon 25 V rated options provide voltage margin upgrades with varying performance characteristics:

25SEV220M8X10.5: Direct performance equivalent to 16SEV220M8X10.5 at 25 V rating
25THV220M8X10.5: Extended temperature operation (-40°C ~ 125°C) with 3000 Hrs @ 125°C lifetime
25TKV220M8X10.5: Lowest ESR (0.08 Ω @ 100kHz) with highest ripple current capability (510 mA @ 120Hz, 850 mA @ 100kHz)
25TLV220M8X10.5: Extended lifetime (5000 Hrs @ 105°C) with moderate ESR (0.16 Ω)
25TRV220M8X10.5: Longest lifetime (8000 Hrs @ 105°C) with moderate ESR (0.15 Ω)
25TZV220M8X10.5: AEC-Q200 qualified with extended temperature range (-55°C ~ 105°C)

All substitute parts maintain identical physical dimensions, land size, package type, and mounting configuration. Selection between upgrade options depends on specific application requirements for operating temperature range, lifetime rating, ESR performance, and ripple current handling.

Frequently Asked Questions (FAQ)

Q: Can the 227SML016M be replaced with a 25 V or 35 V rated capacitor?

A: Yes. Higher voltage rated capacitors maintain identical capacitance, tolerance, physical dimensions, and land size. The higher voltage rating provides additional safety margin in the circuit. All substitute parts listed maintain the same 0.315" diameter and 8.30mm × 8.30mm land size, ensuring mechanical compatibility with existing PCB layouts.

Q: What is the difference between direct equivalents and upgrade substitutes?

A: Direct equivalents (16SEV220M8X10.5, EEE-1CA221P) maintain the identical 16 V voltage rating as the original 227SML016M. Upgrade substitutes provide higher voltage ratings (25 V or 35 V) and often include enhanced performance characteristics such as lower ESR, extended operating temperature range, or longer lifetime ratings.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance status, matching the original 227SML016M specification.

Q: Which substitute part should be selected for automotive applications?

A: Parts carrying AEC-Q200 qualification are suitable for automotive applications. These include 16SEV220M8X10.5, 16THV220M8X10.5, 25SEV220M8X10.5, 25THV220M8X10.5, 25TKV220M8X10.5, and 25TZV220M8X10.5. The Panasonic EEE-1CA221P also carries AEC-Q200 qualification but is marked "Not For New Designs."

Q: What does "Not For New Designs" product status mean?

A: Parts marked "Not For New Designs" are in production but are not recommended for incorporation into new circuit designs. These parts are typically maintained for legacy system support and existing design maintenance only. The Panasonic EEE-1CA221P carries this status and should be avoided for new development projects.

Q: How does ESR affect capacitor performance?

A: Equivalent Series Resistance (ESR) determines the capacitor's impedance at specific frequencies. Lower ESR values indicate better high-frequency performance and reduced power dissipation. The 227AXZ035M (1.06 Ω @ 120Hz) and Rubycon TKV series (0.08 Ω @ 100kHz) provide superior ESR performance compared to the original 227SML016M (1.507 Ω @ 120Hz).

Q: Can the 227SML016M be used in applications requiring operation above 85°C?

A: The 227SML016M is rated for operation up to 85°C. For applications requiring higher temperature operation, upgrade substitutes with extended temperature ranges are available. The 16THV220M8X10.5 and 25 V rated options support operation up to 105°C or 125°C depending on the series selected.

Q: What is the significance of lifetime rating (e.g., 2000 Hrs @ 85°C)?

A: Lifetime rating specifies the expected operational duration at a given temperature before capacitor degradation occurs. Higher lifetime ratings indicate longer component reliability. The original 227SML016M is rated 2000 Hrs @ 85°C. Upgrade options provide extended lifetimes such as 3000 Hrs @ 125°C (THV series) or 8000 Hrs @ 105°C (TRV series).

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All substitute parts listed are packaged in Tape & Reel (TR) format, matching the original 227SML016M packaging specification for automated assembly compatibility.

Q: What is MSL (Moisture Sensitivity Level) and why is it important?

A: MSL rating indicates the component's sensitivity to moisture absorption during storage and handling. MSL 1 (Unlimited) represents the lowest moisture sensitivity, allowing unlimited shelf life without special storage requirements. All parts listed, including the 227SML016M and all substitutes, carry MSL 1 rating.

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