SH222M6R3ST Equivalent & Substitute Parts

Part Overview

The SH222M6R3ST is a 2200 µF, 6.3 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in radial, through-hole configuration. This component is classified as obsolete, indicating discontinued production and limited availability for new procurement. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 2000 hours at 105°C. Due to its obsolete status, equivalent and substitute parts from active manufacturers are necessary for ongoing system support, redesigns, and production continuity.

Key Parameters

Parameter	Value
Capacitance	2200 µF
Voltage Rating	6.3 V
Tolerance	±20%
ESR @ 120 Hz	170 mOhm
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Ripple Current @ 120 Hz	930 mA
Ripple Current @ 10 kHz	1.116 A
Lead Spacing	0.197" (5.00 mm)
Diameter	0.512" (13.00 mm)
Height (Seated Max)	0.787" (20.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SH222M6R3ST is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 2200 µF (exact match required)
Tolerance: ±20% (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Polarization: Polar (exact match required)

Voltage Rating Consideration: Substitute parts may operate at equal or higher voltage ratings than the original 6.3 V specification. Higher voltage ratings provide backward compatibility in circuits designed for 6.3 V operation.

Lifetime and Temperature Range: Substitute parts may exceed the original 2000-hour lifetime specification at 105°C. Extended lifetime ratings indicate improved reliability. Operating temperature ranges of -40°C to 105°C or wider are acceptable.

Physical Dimensions: Diameter and height must remain within acceptable PCB layout tolerances. Substitute parts with diameter ≤ 0.512" and height ≤ 0.787" maintain compatibility with existing board designs.

Compliance: All substitute parts must maintain ROHS3 compliance status consistent with the original component.

Parameter Comparison

Parameter	SH222M6R3ST (Original)	UPW0J222MHD	UPW1A222MHD	EEU-EB1A222	EEU-FC1A222	EKZE100ELL222MK20S	UPA1C222MHD	ESY228M016AL4AA
Manufacturer	CDE	Nichicon	Nichicon	Panasonic	Panasonic	Chemi-Con	Nichicon	KEMET
Capacitance	2200 µF	2200 µF	2200 µF	2200 µF	2200 µF	2200 µF	2200 µF	2200 µF
Voltage Rating	6.3 V	6.3 V	10 V	10 V	10 V	10 V	16 V	16 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%	±20%	±20%
Lifetime @ 105°C	2000 Hrs	7000 Hrs	7000 Hrs	10000 Hrs	5000 Hrs	5000 Hrs	5000 Hrs	5000 Hrs
Operating Temp Range	-40°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 105°C
Ripple Current @ 120 Hz	930 mA	1407 mA	1415 mA	540 mA	1324 mA	1770 mA	1607 mA	2216 mA
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Diameter	0.512" (13.00 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)	0.512" (13.00 mm)
Height (Seated Max)	0.787" (20.00 mm)	0.787" (20.00 mm)	0.787" (20.00 mm)	0.866" (22.00 mm)	0.787" (20.00 mm)	0.846" (21.50 mm)	0.787" (20.00 mm)	1.063" (27.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Product Status	Obsolete	Not For New Designs	Not For New Designs	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Voltage Match (6.3 V Rating):

UPW0J222MHD (Nichicon) provides the closest electrical match to the SH222M6R3ST with identical 6.3 V voltage rating and 2200 µF capacitance. This part carries "Not For New Designs" status but remains available with 1348 units in stock. The UPW0J222MHD offers 7000-hour lifetime at 105°C, exceeding the original 2000-hour specification. Physical dimensions are compatible with existing PCB layouts (0.492" diameter, 0.787" height). This option is suitable for direct replacement in legacy systems requiring exact voltage matching.

Higher Voltage Substitutes (10 V Rating):

Three active-status parts operate at 10 V rating, providing voltage margin above the original 6.3 V specification:

UPW1A222MHD (Nichicon) maintains "Not For New Designs" status but delivers 7000-hour lifetime and 10304 units in stock. Physical dimensions match the UPW0J222MHD (0.492" diameter, 0.787" height).

EEU-EB1A222 (Panasonic) is an active product with the highest lifetime rating of 10000 hours at 105°C. Height specification of 0.866" exceeds the original 0.787" maximum, requiring PCB layout verification. 1758 units are in stock.

EEU-FC1A222 (Panasonic) is an active product with AEC-Q200 automotive rating. Operating temperature range extends to -55°C. Physical dimensions are compatible (0.492" diameter, 0.787" height). 10844 units are in stock, providing the highest availability among active products.

EKZE100ELL222MK20S (Chemi-Con) is an active product with 5000-hour lifetime and superior ripple current handling (1.77 A @ 120 Hz). Height specification of 0.846" requires verification against PCB constraints. 2529 units are in stock.

Higher Voltage Substitutes (16 V Rating):

UPA1C222MHD (Nichicon) is an active product with 5000-hour lifetime and extended operating temperature range (-55°C to 105°C). Physical dimensions are compatible (0.492" diameter, 0.787" height). 991 units are in stock.

ESY228M016AL4AA (KEMET) is an active product with 5000-hour lifetime and superior ripple current capability (2.216 A @ 120 Hz). Physical dimensions match the original part (0.512" diameter). Height specification of 1.063" significantly exceeds the original 0.787" maximum and requires careful PCB layout evaluation. 3285 units are in stock.

Recommendation for New Designs:

For new designs, select from active-status products: EEU-FC1A222, EKZE100ELL222MK20S, UPA1C222MHD, or ESY228M016AL4AA. These parts ensure long-term supply chain stability and manufacturer support.

Recommendation for Legacy System Support:

For direct replacement in existing systems, UPW0J222MHD provides voltage-matched performance with extended lifetime. If PCB layout permits, 10 V or 16 V rated substitutes offer additional design margin.

Frequently Asked Questions (FAQ)

Q: Can I use a 10 V or 16 V rated capacitor in a circuit designed for 6.3 V?

A: Yes. Higher voltage-rated capacitors are backward compatible in circuits designed for lower voltages. The circuit will operate safely at the original 6.3 V specification. Higher voltage ratings provide additional electrical margin and do not affect circuit functionality.

Q: What is the significance of "Not For New Designs" status?

A: Parts marked "Not For New Designs" (UPW0J222MHD, UPW1A222MHD) are available for replacement and repair of existing systems but should not be selected for new product development. Active-status parts (EEU-FC1A222, EKZE100ELL222MK20S, UPA1C222MHD, ESY228M016AL4AA) are recommended for new designs to ensure long-term availability and manufacturer support.

Q: Are there physical dimension constraints I should consider?

A: Yes. Most substitute parts have a diameter of 0.492" (12.50 mm), which is 0.020" smaller than the original 0.512" (13.00 mm) diameter. This reduction typically accommodates existing PCB layouts. However, EEU-EB1A222 has a height of 0.866" (22.00 mm), EKZE100ELL222MK20S has 0.846" (21.50 mm), and ESY228M016AL4AA has 1.063" (27.00 mm), all exceeding the original 0.787" (20.00 mm) maximum. Verify clearance in your specific PCB layout before selection.

Q: What does ESR (Equivalent Series Resistance) tell me about capacitor performance?

A: ESR affects ripple current handling and heat generation. The original SH222M6R3ST has 170 mOhm ESR @ 120 Hz. Substitute parts with lower ESR values (EKZE100ELL222MK20S at 21 mOhm, ESY228M016AL4AA at 18 mOhm) provide superior ripple current performance and reduced thermal stress. Lower ESR is beneficial in high-ripple-current applications.

Q: Why do some substitutes have higher ripple current ratings?

A: Ripple current capacity depends on internal construction and ESR characteristics. Parts with lower ESR and improved thermal design (EKZE100ELL222MK20S, ESY228M016AL4AA) handle higher ripple currents without exceeding temperature limits. This provides design margin in power supply and filtering applications.

Q: Is RoHS3 compliance important for my application?

A: All listed substitute parts maintain ROHS3 compliance, consistent with the original SH222M6R3ST. This compliance is standard for modern electronic components and meets environmental and regulatory requirements in most markets.

Q: What is the difference between Panasonic EB-A and FC series?

A: EEU-EB1A222 (EB-A series) offers 10000-hour lifetime at 105°C, the highest among all substitutes. EEU-FC1A222 (FC series) offers 5000-hour lifetime but includes AEC-Q200 automotive qualification and extended temperature range (-55°C to 105°C). Select EB-A for maximum lifetime in general-purpose applications; select FC for automotive applications or extended temperature requirements.

Q: Can I mix different substitute parts in the same circuit?

A: Yes, provided all parts meet the circuit's electrical requirements (voltage rating, capacitance, tolerance). However, for consistency and simplified inventory management, use a single part number across identical circuit positions.

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