227CKS200M Aluminum Electrolytic Capacitor - Equivalent & Substitute Parts

Part Overview

The 227CKS200M is a 220 µF, 200 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor in the CKS series. This radial, through-hole component is designed for general purpose applications with an operating temperature range of -25°C to 85°C and a rated lifetime of 2000 hours at 85°C. The component is Active in product status and ROHS3 compliant. Finding suitable alternatives becomes necessary when the original part is unavailable, when inventory constraints exist, or when upgraded performance characteristics are required for the application circuit.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage - Rated	200 V
Tolerance	±20%
Polarization	Polar
Mounting Type	Through Hole
Package / Case	Radial, Can
Lead Spacing	0.295" (7.50 mm)
Size / Dimension	0.630" Dia (16.00 mm)
Height - Seated (Max)	1.437" (36.50 mm)
ESR @ 120 Hz	1.13 Ohm
Lifetime @ Temp.	2000 Hrs @ 85°C
Operating Temperature	-25°C ~ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 227CKS200M must satisfy the following critical electrical and mechanical parameters:

Mandatory Matching Parameters:

Capacitance: 220 µF (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.295" (7.50 mm) (exact match required)
Size / Dimension: 0.630" Dia (16.00 mm) (exact match required)
Mounting Type: Through Hole, Radial Can (exact match required)

Allowable Substitution Parameters:

Voltage - Rated: ≥200 V (substitutes may exceed rated voltage)
Operating Temperature: Must accommodate the application requirements
Lifetime @ Temp.: May vary based on operational temperature profile
ESR: May vary based on manufacturer specifications
Ripple Current: May vary based on manufacturer specifications

The three substitute parts listed below meet all mandatory parameter requirements and offer electrical improvements or alternative sourcing options.

Parameter Comparison

Parameter	227CKS200M (Main)	EKXJ251ELL221MLP1S	UPT2P221MHD	UCY2E221MHD9
Manufacturer	Cornell Dubilier / Illinois Capacitor	Chemi-Con	Nichicon	Nichicon
Series	CKS	KXJ	UPT	UCY
Capacitance	220 µF	220 µF	220 µF	220 µF
Tolerance	±20%	±20%	±20%	±20%
Voltage - Rated	200 V	250 V	220 V	250 V
Lead Spacing	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)
Size / Dimension	0.630" Dia (16.00 mm)	0.630" Dia (16.00 mm)	0.630" Dia (16.00 mm)	0.630" Dia (16.00 mm)
Height - Seated (Max)	1.437" (36.50 mm)	1.457" (37.00 mm)	1.457" (37.00 mm)	1.457" (37.00 mm)
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Operating Temperature	-25°C ~ 85°C	-40°C ~ 105°C	-25°C ~ 105°C	-40°C ~ 105°C
Lifetime @ Temp.	2000 Hrs @ 85°C	12000 Hrs @ 105°C	5000 Hrs @ 105°C	12000 Hrs @ 105°C
Ripple Current @ 120 Hz	960 mA	1.125 A	770 mA	1.22 A
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

EKXJ251ELL221MLP1S (Chemi-Con KXJ Series) This substitute offers the highest rated voltage (250 V) and extended lifetime specification (12000 Hrs @ 105°C). The component carries AEC-Q200 automotive qualification, providing additional reliability assurance. The operating temperature range extends to -40°C, broadening suitability for diverse thermal environments. This part is appropriate for applications where extended component life and higher voltage margin are beneficial.

UPT2P221MHD (Nichicon UPT Series) This substitute provides a 220 V rated voltage with intermediate lifetime rating (5000 Hrs @ 105°C). The operating temperature extends to 105°C, supporting elevated ambient conditions. The ripple current rating at 120 Hz (770 mA) is slightly lower than the original specification. This part serves as a direct functional equivalent with modest performance enhancements.

UCY2E221MHD9 (Nichicon UCY Series) This substitute offers the same 250 V rated voltage as the KXJ alternative with equivalent lifetime specification (12000 Hrs @ 105°C). The extended operating temperature range (-40°C ~ 105°C) matches the KXJ series. The REACH Status is listed as REACH Affected, which may require additional compliance consideration in certain applications. The ripple current capability (1.22 A @ 120 Hz) is superior to the original part.

All substitute parts are Active products with ROHS3 compliance, supporting modern regulatory requirements.

Frequently Asked Questions (FAQ)

Q: What makes a capacitor an equivalent substitute for the 227CKS200M? A: Electrical and mechanical equivalence requires identical capacitance (220 µF), tolerance (±20%), rated voltage of at least 200 V, identical lead spacing (0.295"), identical can diameter (0.630"), matching radial can package configuration, and compatible through-hole mounting. All listed substitutes satisfy these requirements.

Q: Can I use a substitute capacitor with higher rated voltage? A: Yes. A capacitor with rated voltage of 250 V or 220 V (both exceeding the original 200 V specification) is suitable for 200 V circuit applications. Higher voltage rating provides additional margin without affecting circuit function, provided all other parameters remain equivalent.

Q: What is the height difference between the original part and substitutes? A: The original 227CKS200M has a maximum seated height of 1.437" (36.50 mm), while all three substitutes measure 1.457" (37.00 mm). This 0.020" (0.50 mm) difference requires verification against the circuit board layout and enclosure clearances. The lead spacing and can diameter remain identical.

Q: How do lifetime specifications affect component selection? A: Lifetime ratings indicate capacitor reliability under specified temperature conditions. The original part rates 2000 Hrs @ 85°C. Substitute parts offer either 5000 Hrs or 12000 Hrs @ 105°C, representing longer operational capability at higher temperatures. Selection depends on circuit operating conditions and required service life.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All four parts (main and substitutes) carry ROHS3 compliance certification, supporting compliance with current regulatory standards for hazardous substances in electrical equipment.

Q: What is the significance of the AEC-Q200 rating on the EKXJ251ELL221MLP1S? A: AEC-Q200 is an automotive industry qualification standard for aluminum electrolytic capacitors. This certification indicates the component has completed rigorous testing and reliability validation for automotive applications. For general purpose applications, this certification provides additional assurance of component quality and consistency.

Q: What is REACH Affected status on the UCY2E221MHD9? A: REACH Affected status indicates the component may contain substances subject to European Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulations. This classification requires documentation and tracking in certain regulated markets and applications. REACH Unaffected components carry no such regulatory requirement.

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