LPX821M200C4P3

Part Overview

The LPX821M200C4P3 is an 820 µF 200 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in the LPX series. This radial, can-style snap-in capacitor is designed for general-purpose applications and maintains Active product status. The need for equivalent and substitute parts arises from inventory availability considerations, performance optimization for specific operating conditions, and extended thermal reliability requirements across different application environments.

Key Parameters

Parameter	LPX821M200C4P3
Capacitance	820 µF
Tolerance	±20%
Voltage - Rated	200 V
ESR (Equivalent Series Resistance)	243 mOhm @ 120 Hz
Lifetime @ Temperature	1000 Hrs @ 85°C
Operating Temperature Range	-40°C to 85°C
Ripple Current @ Low Frequency	2.8 A @ 120 Hz
Ripple Current @ High Frequency	3.08 A @ 50 kHz
Lead Spacing	0.394" (10.00 mm)
Size / Dimension	0.984" Dia (25.00 mm)
Height - Seated (Max)	1.772" (45.00 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can - Snap-In
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution validity for the LPX821M200C4P3 is determined by the following critical parameters: capacitance (820 µF), voltage rating (200 V minimum), tolerance (±20%), through-hole radial snap-in package configuration, and mechanical compatibility (lead spacing of 0.394"/10.00 mm).

Substitute parts are grouped into the following categories based on performance characteristics:

Upgrade Category - Extended Lifetime (3000 Hrs @ 85°C): These parts maintain identical electrical specifications (820 µF, 200 V, ±20%) and mechanical compatibility while offering extended thermal endurance. This category includes SLPX821M200C7P3, 380LX821M200A012, 200USG820MEFCSN25X30, and LGU2D821MELA.

Upgrade Category - Enhanced Voltage Rating (250 V): These parts provide higher voltage capability at the same 820 µF capacitance and ±20% tolerance, enabling operation in applications with elevated voltage headroom requirements. This category includes LLS2E821MELA and LAR2E821MELA45.

Alternative Category - Different Physical Dimensions: Parts such as LPX821M200E5P3 and 380LX821M200A012 maintain full electrical compatibility while presenting variations in physical footprint dimensions.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	ESR @ 120 Hz	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Size (Dia)	Height (Max)	RoHS Status
LPX821M200C4P3	CDE	820 µF	200 V	±20%	243 mOhm	1000 Hrs @ 85°C	-40°C to 85°C	0.394" (10.00 mm)	0.984" (25.00 mm)	1.772" (45.00 mm)	ROHS3 Compliant
SLPX821M200C7P3	CDE	820 µF	200 V	±20%	243 mOhm	3000 Hrs @ 85°C	-40°C to 85°C	0.394" (10.00 mm)	0.984" (25.00 mm)	1.575" (40.00 mm)	ROHS3 Compliant
380LX821M200A012	CDE	820 µF	200 V	±20%	243 mOhm	3000 Hrs @ 85°C	-40°C to 85°C	0.394" (10.00 mm)	1.378" (35.00 mm)	1.063" (27.00 mm)	ROHS3 Compliant
LPX821M200E5P3	CDE	820 µF	200 V	±20%	243 mOhm	1000 Hrs @ 85°C	-40°C to 85°C	0.394" (10.00 mm)	1.181" (30.00 mm)	1.378" (35.00 mm)	ROHS3 Compliant
200USG820MEFCSN25X30	Rubycon	820 µF	200 V	±20%	Not specified	3000 Hrs @ 85°C	-40°C to 85°C	0.394" (10.00 mm)	0.984" (25.00 mm)	1.260" (32.00 mm)	ROHS3 Compliant
LAR2E821MELA45	Nichicon	820 µF	250 V	±20%	Not specified	2000 Hrs @ 105°C	-40°C to 105°C	0.394" (10.00 mm)	0.984" (25.00 mm)	1.772" (45.00 mm)	ROHS3 Compliant
LGU2D821MELA	Nichicon	820 µF	200 V	±20%	Not specified	3000 Hrs @ 105°C	-40°C to 105°C	0.394" (10.00 mm)	0.984" (25.00 mm)	1.772" (45.00 mm)	ROHS3 Compliant
LLS2E821MELA	Nichicon	820 µF	250 V	±20%	Not specified	3000 Hrs @ 85°C	-40°C to 85°C	0.394" (10.00 mm)	0.984" (25.00 mm)	1.772" (45.00 mm)	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed maintain ROHS3 compliance and are designated as Active products from their respective manufacturers, ensuring current market availability and continued manufacturing support. The selection of a substitute part depends on the specific application requirements:

For applications requiring extended operational life at rated temperature, SLPX821M200C7P3, 380LX821M200A012, 200USG820MEFCSN25X30, LGU2D821MELA, and LLS2E821MELA offer 3000-hour lifetime ratings compared to the 1000-hour rating of the original LPX821M200C4P3.

For applications operating at elevated temperatures, LAR2E821MELA45 and LGU2D821MELA support operation to 105°C with corresponding extended thermal specifications.

For applications with higher voltage margin requirements, LLS2E821MELA and LAR2E821MELA45 provide 250 V rated voltage capability while maintaining 820 µF capacitance and ±20% tolerance.

Physical footprint considerations are necessary for board layout compatibility: the 380LX821M200A012 presents a larger diameter (35 mm) with reduced height (27 mm), while the LPX821M200E5P3 offers intermediate dimensions. All other alternatives maintain the standard 25 mm diameter configuration.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the LPX821M200C4P3?

A: Direct substitution requires matching capacitance (820 µF), rated voltage (200 V minimum), tolerance (±20%), and mechanical package (through-hole, radial snap-in, 0.394"/10.00 mm lead spacing). Parts exceeding these specifications in voltage rating or thermal lifetime remain valid substitutes for applications that can accommodate the upgraded performance.

Q: Can I use a 250 V rated capacitor in place of a 200 V part?

A: Yes. A 250 V rated capacitor is a valid electrical substitute for a 200 V requirement. The higher voltage rating provides additional safety margin without compromising the electrical function of the 820 µF, ±20% capacitive element.

Q: How do physical dimension differences affect substitution?

A: All listed parts maintain the 0.394" (10.00 mm) lead spacing required for PCB hole compatibility. Variations in diameter and height do not affect electrical function but may impact board layout and thermal management. Verify available board space before selecting parts with different physical dimensions, particularly 380LX821M200A012 with its 35 mm diameter and 27 mm height.

Q: What is the significance of lifetime ratings at different temperatures?

A: Lifetime rating indicates thermal endurance—the number of hours a capacitor maintains its specified performance envelope at the stated temperature. The LPX821M200C4P3 is rated for 1000 hours at 85°C. Substitutes with 3000-hour ratings or operation to 105°C provide extended service life in thermally demanding applications. Applications operating below rated temperature may not require extended lifetime specifications.

Q: Are all listed parts suitable for my application?

A: All listed parts meet the electrical and mechanical compatibility requirements established by the LPX821M200C4P3 baseline specifications. Selection should be guided by your specific thermal environment, operational lifetime requirements, available board space, and voltage margin requirements. Verify that the selected substitute meets or exceeds the performance demands of your intended application.

Q: What is the difference between "Upgrade" and "Alternative" substitute categories?

A: Upgrade category parts provide enhanced performance characteristics (higher voltage ratings, extended thermal life, or improved ripple current handling) while maintaining core electrical equivalence. Alternative category parts maintain full electrical compatibility but may present different physical dimensions, requiring layout verification.

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