LPX102M250H7P3 Equivalent & Substitute Parts Reference

Part Overview

The LPX102M250H7P3 is a 1000 µF, 250 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a radial, can snap-in package. This component is rated for general-purpose applications with a 1000-hour lifetime at 85°C and an operating temperature range of -40°C to 85°C. The part is currently Active in product status and ROHS3 compliant.

Equivalent and substitute parts are identified when design requirements permit tolerance in specific electrical or mechanical parameters while maintaining functional compatibility. Substitution candidates must preserve critical specifications including capacitance value, voltage rating, polarization, mounting type, and lead spacing to ensure direct replacement capability in through-hole applications.

Key Parameters

Parameter	LPX102M250H7P3 Value	Unit	Substitution Criticality
Capacitance	1000	µF	Critical
Tolerance	±20%	-	Critical
Voltage - Rated	250	V	Critical
Lead Spacing	0.394" (10.00mm)	-	Critical
Mounting Type	Through Hole	-	Critical
Package / Case	Radial, Can - Snap-In	-	Critical
Polarization	Polar	-	Critical
Operating Temperature	-40°C ~ 85°C	-	Application-Dependent
ESR @ 120Hz	199	mOhm	Application-Dependent
Lifetime @ Temp.	1000 Hrs @ 85°C	-	Application-Dependent
RoHS Status	ROHS3 Compliant	-	Regulatory

Substitute Part Grouping Explanation

Substitute parts for the LPX102M250H7P3 are classified based on alignment with critical electrical and mechanical parameters. All identified substitutes maintain the following mandatory specifications:

Capacitance: 1000 µF
Tolerance: ±20%
Voltage Rating: 250 V
Lead Spacing: 0.394" (10.00mm)
Mounting Type: Through Hole
Package Type: Radial, Can - Snap-In
Polarization: Polar
Operating Temperature Range: -40°C to 85°C (minimum)
RoHS3 Compliance

Substitutes are further differentiated by variations in ESR, lifetime rating at temperature, physical dimensions (diameter and height), and manufacturer. These secondary parameters may be optimized for specific application requirements while preserving core functional compatibility.

Parameter Comparison

Parameter	LPX102M250H7P3	380LQ102M250A022	380LX102M250K452	SLPX102M250E5P3	LLS2E102MELC	LGU2E102MELC	ALC10A102DF250
Manufacturer	CDE	CDE	CDE	CDE	Nichicon	Nichicon	KEMET
Capacitance (µF)	1000	1000	1000	1000	1000	1000	1000
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%	±20%
Voltage Rating (V)	250	250	250	250	250	250	250
Lead Spacing (mm)	10.00	10.00	10.00	10.00	10.00	10.00	10.00
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In
Polarization	Polar	Polar	Polar	Polar	Polar	Polar	Polar
Operating Temperature (°C)	-40 ~ 85	-40 ~ 85	-40 ~ 85	-40 ~ 85	-40 ~ 85	-40 ~ 105	-40 ~ 85
ESR @ 120Hz (mOhm)	199	199	182	199	Not Specified	Not Specified	163
Lifetime @ Temp.	1000 Hrs @ 85°C	2000 Hrs @ 85°C	3000 Hrs @ 85°C	3000 Hrs @ 85°C	3000 Hrs @ 85°C	3000 Hrs @ 105°C	15000 Hrs @ 85°C
Size / Diameter (mm)	35.00	35.00	30.00	30.00	35.00	35.00	35.00
Height - Seated Max (mm)	40.00	32.00	47.00	35.00	35.00	40.00	52.00
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

380LQ102M250A022 (CDE): This upgrade substitute offers doubled lifetime (2000 hours at 85°C) compared to the LPX102M250H7P3 while maintaining identical ESR and electrical characteristics. Physical dimensions differ slightly in height (32.00mm vs. 40.00mm), resulting in a more compact form factor. Selection is appropriate for applications requiring extended operational life within the same thermal envelope.

380LX102M250K452 (CDE): This substitute provides enhanced lifetime (3000 hours at 85°C) and reduced ESR (182 mOhm vs. 199 mOhm). Physical dimensions are reduced (30.00mm diameter, 47.00mm height), which may require PCB layout verification. Selection is suitable for applications prioritizing lower impedance performance and extended service life.

SLPX102M250E5P3 (CDE): This substitute delivers 3000-hour lifetime at 85°C with matching ESR (199 mOhm). Diameter is reduced to 30.00mm with height of 35.00mm. This option provides extended life in a more compact package. Moisture Sensitivity Level is not applicable, indicating different packaging treatment.

LLS2E102MELC (Nichicon): This direct substitute from Nichicon maintains 1000 µF, 250 V specifications with 3000-hour lifetime at 85°C. ESR is not specified in available data. Physical dimensions match the original (35.00mm diameter, 35.00mm height). Selection is appropriate when Nichicon sourcing is required or preferred.

LGU2E102MELC (Nichicon): This upgrade substitute extends operating temperature to 105°C and provides 3000-hour lifetime at 105°C. ESR is not specified. Physical dimensions match the original (35.00mm diameter, 40.00mm height). Selection is critical for applications requiring extended temperature operation beyond 85°C. This part offers the highest temperature rating among all substitutes.

ALC10A102DF250 (KEMET): This substitute provides the longest lifetime rating (15000 hours at 85°C) with the lowest ESR (163 mOhm @ 100Hz). Physical dimensions are 35.00mm diameter with increased height (52.00mm). Selection is appropriate for mission-critical applications requiring maximum reliability and lowest impedance. Height increase must be verified against PCB clearance constraints.

All substitutes maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility with the original part.

Frequently Asked Questions (FAQ)

Q: Can I substitute the LPX102M250H7P3 with any of these parts directly on my PCB?

A: Direct substitution is possible only if physical dimensions are compatible with your PCB layout. All substitutes maintain the same lead spacing (10.00mm) and mounting type (through-hole, snap-in). However, diameter and height vary. Verify clearance for diameter (30.00mm to 35.00mm) and height (32.00mm to 52.00mm) before selection.

Q: What is the difference between an "upgrade" and "similar" substitute?

A: Upgrade substitutes provide enhanced performance in one or more parameters (extended lifetime, lower ESR, higher temperature rating) while maintaining all critical electrical specifications. Similar substitutes maintain equivalent electrical performance but may differ in secondary characteristics such as physical dimensions or manufacturer.

Q: Does operating temperature range affect substitution compatibility?

A: Operating temperature range affects substitution only if your application requires operation outside the original specification. The LPX102M250H7P3 operates from -40°C to 85°C. The LGU2E102MELC extends this to -40°C to 105°C, making it suitable for high-temperature applications. Other substitutes maintain the -40°C to 85°C range.

Q: Why do some substitutes have unspecified ESR values?

A: ESR (Equivalent Series Resistance) is not provided in the available technical data for certain Nichicon parts. ESR affects ripple current handling and thermal performance. If ESR is critical to your application, select substitutes with specified ESR values or contact the manufacturer for complete specifications.

Q: Which substitute offers the best long-term reliability?

A: The ALC10A102DF250 (KEMET) provides the longest lifetime rating at 15000 hours at 85°C, compared to 1000 hours for the original part. This represents a 15-fold increase in rated operational life. However, this part has the largest height (52.00mm), requiring PCB clearance verification.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All identified substitutes are ROHS3 compliant and REACH unaffected, matching the regulatory status of the LPX102M250H7P3. This ensures compliance with environmental and hazardous substance restrictions.

Q: Can I use a substitute with a smaller diameter to save PCB space?

A: Yes. The 380LX102M250K452 and SLPX102M250E5P3 both feature 30.00mm diameter (compared to 35.00mm for the original). However, verify that height does not exceed available clearance. The 380LX102M250K452 has a height of 47.00mm, while the SLPX102M250E5P3 is 35.00mm.

Q: What is the significance of "Snap-In" packaging?

A: Snap-in packaging indicates the capacitor uses a mechanical locking mechanism for secure mounting on the PCB, rather than relying solely on solder connections. All identified substitutes use identical snap-in technology, ensuring mechanical compatibility.

Q: If my application operates at 85°C continuously, which substitute is most suitable?

A: For continuous 85°C operation, select based on required lifetime. The ALC10A102DF250 (15000 hours) provides maximum reliability. The 380LX102M250K452, SLPX102M250E5P3, LLS2E102MELC, and LGU2E102MELC all offer 3000-hour ratings. The 380LQ102M250A022 provides 2000 hours. The original LPX102M250H7P3 is rated for only 1000 hours at 85°C.

Q: Are there any mechanical constraints I should consider when substituting?

A: Yes. Verify three mechanical parameters: (1) Lead spacing must remain 10.00mm for PCB hole alignment; (2) Diameter ranges from 30.00mm to 35.00mm—confirm radial clearance; (3) Height ranges from 32.00mm to 52.00mm—verify vertical clearance above the PCB. The original part is 35.00mm diameter × 40.00mm height.

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