ECA-1JM102B Equivalent & Substitute Parts

Part Overview

The ECA-1JM102B is a 1000 µF, 63 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for 2000 hours at 85°C and operates across the temperature range of -40°C to 85°C. The part is classified as Active and is suitable for general-purpose applications.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand enhanced thermal performance, or when application-specific certifications such as automotive qualification are required.

Key Parameters

Parameter	Value
Capacitance	1000 µF
Voltage Rating	63 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C to 85°C
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ECA-1JM102B is determined by the following criteria:

Core Electrical Parameters (Non-Negotiable):

Capacitance: 1000 µF
Voltage Rating: 63 V
Tolerance: ±20%
Polarization: Polar

Mechanical Parameters (Non-Negotiable):

Package Type: Radial, Can
Mounting Type: Through Hole
Lead Spacing: 0.295" (7.50 mm)
Case Diameter: 0.630" (16.00 mm)

Performance Parameters (Flexible Within Limits):

Lifetime @ Temperature: 2000 Hrs minimum at rated temperature
Operating Temperature Range: Must encompass -40°C to 85°C minimum
Ripple Current: May vary between substitutes

Compliance Parameters:

RoHS Status: ROHS3 Compliant required
REACH Status: REACH Unaffected

Substitute parts are grouped into the following categories:

Direct Manufacturer Substitutes: Parts from Panasonic with identical electrical specifications but enhanced thermal performance (105°C operation) or from alternative manufacturers with equivalent parametric ratings.

Upgrade Substitutes: Parts with extended operating temperature ranges (-55°C to 105°C) or enhanced lifetime ratings at elevated temperatures, suitable for applications requiring improved thermal margin.

Similar Substitutes: Parts with identical core parameters but different packaging formats (Bulk vs. Cut Tape) or from manufacturers with established market presence.

Parametric Equivalents: Parts with identical electrical and mechanical specifications, differing only in packaging format or minor physical dimensions within tolerance.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Case Dia	Height (Max)	Packaging	Product Status
ECA-1JM102B	Panasonic	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.063" (27.00 mm)	Cut Tape	Active
ECA-1JHG102B	Panasonic	1000 µF	63 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.630" (16.00 mm)	1.063" (27.00 mm)	Cut Tape	Active
860010780024	Würth Elektronik	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.043" (26.50 mm)	Cut Tape	Active
63PX1000MEFC16X25	Rubycon	1000 µF	63 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.630" (16.00 mm)	1.043" (26.50 mm)	Bulk	Active
UFW1J102MHD1TN	Nichicon	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.063" (27.00 mm)	Cut Tape	Not For New Designs
UKW1J102MHD1TN	Nichicon	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.063" (27.00 mm)	Cut Tape	Not For New Designs
SK102M063ST	Cornell Dubilier Electronics	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.339" (34.00 mm)	Bulk	Active
UVK1J102MHD	Nichicon	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.063" (27.00 mm)	Bulk	Not For New Designs
UVR1J102MHD	Nichicon	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.063" (27.00 mm)	Bulk	Not For New Designs
UVK1J102MHD1TN	Nichicon	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.063" (27.00 mm)	Cut Tape	Not For New Designs
UVR1J102MHD1TN	Nichicon	1000 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.630" (16.00 mm)	1.063" (27.00 mm)	Cut Tape	Not For New Designs

Engineering Selection Recommendations

For Active Product Status (Recommended for New Designs):

ECA-1JHG102B (Panasonic) is the preferred direct substitute when thermal performance enhancement is required. This part maintains Panasonic manufacturing consistency while extending the operating temperature range to -55°C to 105°C and lifetime rating to 2000 hours at 105°C. The part is Active and suitable for new designs.

860010780024 (Würth Elektronik) provides an alternative from an established manufacturer with identical thermal specifications to the ECA-1JM102B. This part is Active and maintains full compatibility with the original design envelope.

63PX1000MEFC16X25 (Rubycon) offers enhanced thermal performance (-55°C to 105°C, 2000 Hrs @ 105°C) in Bulk packaging. This part is Active and suitable for applications requiring extended temperature operation.

For Existing Designs (Legacy Support):

UFW1J102MHD1TN and UKW1J102MHD1TN (Nichicon) are marked as Not For New Designs but remain available for legacy system support. These parts maintain identical electrical and mechanical specifications to the ECA-1JM102B.

UVK1J102MHD1TN and UVR1J102MHD1TN (Nichicon) are parametric equivalents marked as Not For New Designs. These parts are suitable only for replacement in existing applications where design changes are not feasible.

Packaging Considerations:

Cut Tape packaging is appropriate for automated assembly and component pick-and-place operations. Bulk packaging is suitable for manual assembly or high-volume manufacturing environments where tape handling is not required.

Frequently Asked Questions (FAQ)

Q: Can I substitute ECA-1JM102B with ECA-1JHG102B in my existing design?

A: Yes. Both parts share identical electrical specifications (1000 µF, 63 V, ±20% tolerance) and mechanical dimensions (0.630" diameter, 0.295" lead spacing, Through Hole mounting). ECA-1JHG102B provides enhanced thermal performance with extended operating temperature range (-55°C to 105°C vs. -40°C to 85°C) and lifetime rating at elevated temperature (2000 Hrs @ 105°C vs. 2000 Hrs @ 85°C). No circuit modifications are required.

Q: What is the difference between Cut Tape and Bulk packaging?

A: Cut Tape packaging is supplied on continuous tape suitable for automated pick-and-place assembly equipment. Bulk packaging is supplied loose in containers for manual assembly or high-volume manufacturing. The electrical and mechanical specifications are identical; packaging format affects only handling and assembly methodology.

Q: Why are some substitute parts marked "Not For New Designs"?

A: Parts marked "Not For New Designs" are legacy components that remain available for replacement in existing systems but are not recommended for new product development. These parts may have limited manufacturing availability or have been superseded by newer alternatives. For new designs, select parts with Active product status.

Q: Can I use SK102M063ST as a substitute despite its greater height (1.339" vs. 1.063")?

A: SK102M063ST meets all core electrical and lead spacing requirements but has a maximum seated height of 1.339" compared to 1.063" for the ECA-1JM102B. Substitution is possible only if PCB layout and enclosure clearance accommodate the increased height. Verify mechanical fit before implementation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 Compliant and REACH Unaffected, maintaining regulatory compliance with the original ECA-1JM102B specification.

Q: What is the significance of ripple current ratings?

A: Ripple current capacity varies between manufacturers and series. The ECA-1JM102B is rated for 1.1 A @ 120 Hz and 1.87 A @ 10 kHz. Substitute parts may have different ripple current ratings. Verify that the selected substitute meets or exceeds the ripple current requirements of your specific application before implementation.

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