SH221M035ST Equivalent & Substitute Parts Reference

Part Overview

The SH221M035ST is a 220 µF, 35 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production support and design continuity. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 2000 hours at 105°C, suitable for general-purpose applications requiring through-hole mounting.

Key Parameters

Parameter	Value	Unit
Capacitance	220	µF
Tolerance	±20%	-
Voltage - Rated	35	V
ESR @ 120 Hz	840	mOhm
Lifetime @ 105°C	2000	Hrs
Operating Temperature Range	-40 to 105	°C
Ripple Current @ 120 Hz	315	mA
Ripple Current @ 10 kHz	441	mA
Lead Spacing	5.00	mm
Diameter	10.00	mm
Height (Max)	12.00	mm
Mounting Type	Through Hole	-
Package / Case	Radial, Can	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the SH221M035ST is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Capacitance: 220 µF (exact match required)
Voltage Rating: 35 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial, Can (exact match required)
Lead Spacing: 5.00 mm (exact match required)
Diameter: 10.00 mm (exact match required)

Allowable Variation Parameters:

Height: Substitute parts may exceed the original 12.00 mm maximum, provided they remain within standard radial can dimensions and do not create mechanical interference in the target application
ESR: Substitute parts may have lower ESR values, which represent improved electrical performance
Lifetime @ 105°C: Substitute parts may exceed the original 2000 hours, representing extended operational life
Ripple Current: Substitute parts may exceed original ripple current ratings, representing improved current handling capability
Operating Temperature Range: Substitute parts may have extended lower temperature limits (e.g., -55°C vs. -40°C), representing expanded operating envelope

All substitute parts listed maintain ROHS3 compliance and through-hole radial can configuration, ensuring direct mechanical and electrical compatibility with the original SH221M035ST footprint and circuit requirements.

Parameter Comparison

Parameter	SH221M035ST (CDE)	517D227M035CC6AE3 (Vishay)	EEU-FC1V221 (Panasonic)	EKZE350ELL221MJC5S (Chemi-Con)	UHE1V221MPD6 (Nichicon)	UPW1V221MPD (Nichicon)	35ML220MEFC10X9 (Rubycon)
Capacitance	220 µF	220 µF	220 µF	220 µF	220 µF	220 µF	220 µF
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%	±20%
Voltage - Rated	35 V	35 V	35 V	35 V	35 V	35 V	35 V
Lifetime @ 105°C	2000 Hrs	2000 Hrs	3000 Hrs	4000 Hrs	7000 Hrs	5000 Hrs	5000 Hrs
Operating Temperature	-40 to 105°C	-55 to 105°C	-55 to 105°C	-40 to 105°C	-40 to 105°C	-55 to 105°C	-40 to 105°C
Ripple Current @ 120 Hz	315 mA	325 mA	490.8 mA	515 mA	605.5 mA	494 mA	360 mA
Ripple Current @ 10/100 kHz	441 mA @ 10 kHz	487.5 mA @ 10 kHz	755 mA @ 100 kHz	1.03 A @ 100 kHz	865 mA @ 100 kHz	760 mA @ 100 kHz	Not specified
Lead Spacing	5.00 mm	5.00 mm	5.00 mm	5.00 mm	5.00 mm	5.00 mm	5.00 mm
Diameter	10.00 mm	10.00 mm	10.00 mm	10.00 mm	10.00 mm	10.00 mm	10.00 mm
Height (Max)	12.00 mm	12.50 mm	12.50 mm	14.00 mm	12.50 mm	12.50 mm	10.50 mm
Mounting Type	Through Hole	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	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Obsolete	Active	Active	Not For New Designs	Not For New Designs	Not For New Designs

Engineering Selection Recommendations

Direct Equivalent (Obsolete Status): The 517D227M035CC6AE3 from Vishay Sprague maintains identical electrical specifications and lifetime rating (2000 hours @ 105°C) as the SH221M035ST. This part is classified as obsolete and serves as a direct functional replacement for existing inventory management and legacy system support.

Recommended Upgrade Path (Active Status): The EEU-FC1V221 from Panasonic Electronic Components is the preferred substitute for new designs and ongoing production. This part is classified as active product status and provides:

Extended lifetime of 3000 hours @ 105°C (50% improvement over original)
AEC-Q200 automotive qualification rating
Expanded operating temperature range (-55°C to 105°C)
Significantly improved ripple current handling (490.8 mA @ 120 Hz vs. 315 mA)
Reduced impedance (90 mOhms)

Extended Lifetime Alternative: The EKZE350ELL221MJC5S from Chemi-Con offers the highest lifetime rating at 4000 hours @ 105°C with active product status. This part accommodates applications requiring extended operational life and provides superior ripple current performance (515 mA @ 120 Hz, 1.03 A @ 100 kHz).

High-Performance Option: The UHE1V221MPD6 from Nichicon delivers the maximum lifetime specification at 7000 hours @ 105°C. Although classified as "Not For New Designs," this part remains suitable for legacy system support and retrofit applications requiring extended service intervals.

Compact Form Factor Alternative: The 35ML220MEFC10X9 from Rubycon provides the smallest height profile at 10.50 mm, suitable for space-constrained applications. This part maintains 5000-hour lifetime rating and active product status consideration.

Selection Criteria by Application:

Automotive applications: EEU-FC1V221 (AEC-Q200 rated)
Extended service life requirements: EKZE350ELL221MJC5S or UHE1V221MPD6
Space-constrained designs: 35ML220MEFC10X9
Legacy system support: 517D227M035CC6AE3 or UPW1V221MPD
General-purpose replacement: EEU-FC1V221 or UPW1V221MPD

All substitute parts maintain mechanical compatibility with the original SH221M035ST footprint (5.00 mm lead spacing, 10.00 mm diameter) and ROHS3 compliance. Height variations (10.50 mm to 14.00 mm) require verification against specific PCB layout constraints and component clearance requirements.

Frequently Asked Questions (FAQ)

Q: Can the SH221M035ST be directly replaced with any of the listed substitute parts?

A: All listed substitute parts meet the critical matching parameters: 220 µF capacitance, 35 V voltage rating, ±20% tolerance, polar configuration, through-hole mounting, and radial can package with 5.00 mm lead spacing and 10.00 mm diameter. Direct mechanical and electrical substitution is supported. Height variations must be verified against PCB layout constraints.

Q: What is the difference between "Direct Manufacturer Part Number," "Upgrade Manufacturer Part Number," and "Similar Manufacturer Part Number" classifications?

A: Direct equivalents (517D227M035CC6AE3) maintain identical electrical specifications and lifetime ratings as the original part. Upgrade parts (EEU-FC1V221, EKZE350ELL221MJC5S, UHE1V221MPD6, UPW1V221MPD) provide enhanced performance characteristics such as extended lifetime, improved ripple current handling, or expanded temperature ranges. Similar parts (35ML220MEFC10X9) meet all critical electrical parameters but may have different physical dimensions or performance characteristics.

Q: Why do some substitute parts have different height specifications?

A: Aluminum electrolytic capacitors in radial can packages are manufactured with varying height profiles depending on internal construction and performance specifications. The SH221M035ST specifies a maximum height of 12.00 mm. Substitute parts range from 10.50 mm to 14.00 mm. Height differences do not affect electrical compatibility but require verification against PCB layout, component spacing, and clearance requirements in the target application.

Q: What does "Product Status: Active" mean compared to "Obsolete" or "Not For New Designs"?

A: Active status indicates the manufacturer continues production and supports the part for new designs. Obsolete status indicates the manufacturer has discontinued production; these parts are available only from existing inventory. "Not For New Designs" indicates the manufacturer no longer recommends the part for new applications but may continue limited production for legacy support. For new designs, prioritize active-status parts such as EEU-FC1V221 or EKZE350ELL221MJC5S.

Q: How do ESR and impedance values affect substitution decisions?

A: ESR (Equivalent Series Resistance) and impedance are provided specifications that characterize the capacitor's internal resistance. Lower values indicate improved electrical performance and reduced heat generation. The original SH221M035ST specifies 840 mOhm ESR @ 120 Hz. Substitute parts with lower ESR or impedance values (e.g., EKZE350ELL221MJC5S at 53 mOhms) represent performance improvements and are electrically compatible. Higher ESR values would not be acceptable substitutes.

Q: What is the significance of ripple current ratings in selecting a substitute?

A: Ripple current rating indicates the maximum AC current the capacitor can handle at specified frequencies without exceeding temperature limits. The original SH221M035ST handles 315 mA @ 120 Hz and 441 mA @ 10 kHz. All listed substitute parts meet or exceed these ratings, indicating they can handle equivalent or greater ripple current loads. Higher ripple current capability represents improved performance margin.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant, matching the original SH221M035ST compliance status. This ensures compatibility with environmental and regulatory requirements for electronic component manufacturing and assembly.

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

A: The EEU-FC1V221 from Panasonic is the recommended choice for automotive applications, as it carries AEC-Q200 qualification rating. This certification indicates the part meets automotive industry reliability and quality standards. This part is active status with 3000-hour lifetime @ 105°C and expanded temperature range (-55°C to 105°C).

Q: Can the 35ML220MEFC10X9 be used in applications where space is limited?

A: Yes, the 35ML220MEFC10X9 from Rubycon provides the smallest height profile at 10.50 mm, compared to the original 12.00 mm. This part is suitable for space-constrained PCB layouts. However, verify that the reduced height does not create other mechanical or thermal management issues in the specific application.

Q: What is the difference between operating temperature range specifications?

A: The original SH221M035ST operates from -40°C to 105°C. Some substitute parts extend the lower temperature limit to -55°C (517D227M035CC6AE3, EEU-FC1V221, UPW1V221MPD), providing operation in colder environments. This represents an expanded operating envelope and does not affect compatibility in applications within the original -40°C to 105°C range.

Q: How does lifetime @ 105°C affect component selection?

A: Lifetime @ 105°C specifies the expected operational life under maximum temperature conditions. The original SH221M035ST is rated for 2000 hours. Substitute parts offer extended lifetimes: 3000 hours (EEU-FC1V221), 4000 hours (EKZE350ELL221MJC5S), 5000 hours (UPW1V221MPD, 35ML220MEFC10X9), and 7000 hours (UHE1V221MPD6). Extended lifetime ratings provide longer service intervals and improved reliability margins for critical applications.

Q: Is the UHE1V221MPD6 suitable for new designs despite "Not For New Designs" status?

A: The UHE1V221MPD6 is classified as "Not For New Designs," indicating Nichicon does not recommend it for new product development. However, it remains suitable for legacy system support, retrofit applications, and existing inventory management. For new designs, prioritize active-status alternatives such as EEU-FC1V221 or EKZE350ELL221MJC5S.

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