Equivalent & Substitute Parts for ECA-2DM101B

Part Overview

The Panasonic ECA-2DM101B is a 100 µF, 200 V aluminum electrolytic capacitor in radial, can package rated for 2000 hours at 85°C. This component is classified as Active product status and is suitable for general-purpose applications requiring through-hole mounting. Equivalent and substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance) and mechanical compatibility (lead spacing, package type, mounting configuration).

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	200 V
Tolerance	±20%
Lead Spacing	0.295" (7.50 mm)
Package Type	Radial, Can
Mounting Type	Through Hole
Operating Temperature Range	-25°C to 85°C
Lifetime Rating	2000 Hrs @ 85°C
Polarization	Polar

Substitute Part Grouping Explanation

Substitute parts are grouped based on the following substitution criteria:

Direct Equivalents (Same Electrical & Mechanical Specifications):

Capacitance: 100 µF
Voltage Rating: 200 V
Tolerance: ±20%
Lead Spacing: 0.295" (7.50 mm)
Package: Radial, Can
Mounting: Through Hole
Polarization: Polar

Upgrade Parts (Enhanced Performance or Higher Voltage Rating):

Maintain core electrical specifications (100 µF, ±20% tolerance)
May feature extended temperature range, higher voltage rating, or improved lifetime characteristics
Retain mechanical compatibility (lead spacing, package type, mounting)

Similar Parts (Equivalent Functionality with Minor Variations):

Match primary electrical parameters
May have different ESR specifications or temperature ratings
Maintain through-hole radial can package compatibility

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Height (Max)	Product Status	Packaging
ECA-2DM101B	Panasonic	100 µF	200 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.295" (7.50 mm)	1.063" (27.00 mm)	Active	Cut Tape
UCA2D101MHD1TN	Nichicon	100 µF	200 V	±20%	12000 Hrs @ 105°C	-25°C ~ 105°C	0.295" (7.50 mm)	1.043" (26.50 mm)	Not For New Designs	Cut Tape
UAS2D101MHD6	Nichicon	100 µF	200 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	0.295" (7.50 mm)	0.866" (22.00 mm)	Active	Bulk
UCS2E101MHD1TN	Nichicon	100 µF	250 V	±20%	10000 Hrs @ 105°C	-40°C ~ 105°C	0.295" (7.50 mm)	1.043" (26.50 mm)	Active	Cut Tape
UVK2D101MHD	Nichicon	100 µF	200 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295" (7.50 mm)	1.063" (27.00 mm)	Not For New Designs	Bulk
UVK2E101MHD	Nichicon	100 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295" (7.50 mm)	1.063" (27.00 mm)	Not For New Designs	Bulk
UVK2E101MHD1TN	Nichicon	100 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295" (7.50 mm)	1.063" (27.00 mm)	Not For New Designs	Cut Tape
SK101M200ST	Cornell Dubilier Electronics	100 µF	200 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.295" (7.50 mm)	1.024" (26.00 mm)	Active	Bulk

Engineering Selection Recommendations

For Direct Replacement (Active Product Status): UAS2D101MHD6 (Nichicon) is the primary substitute for new designs. It maintains 100 µF at 200 V with ±20% tolerance and identical lead spacing. The part offers extended operating temperature range (-40°C to 105°C) and is classified as Active product status. Height is reduced to 0.866" (22.00 mm), which may provide board layout advantages. Packaging is supplied in Bulk format.

For Higher Voltage Applications: UCS2E101MHD1TN (Nichicon) provides 250 V rating while maintaining 100 µF capacitance and ±20% tolerance. This part is Active status and suitable for applications requiring voltage margin. Operating temperature extends to 105°C with 10000-hour lifetime rating at that temperature. Cut Tape packaging is available.

For Legacy Design Compatibility: SK101M200ST (Cornell Dubilier Electronics) is an Active product offering identical electrical specifications (100 µF, 200 V, ±20%) with documented ESR of 1.99 Ohm. Lead spacing and package type match the original part. This option is suitable when manufacturer diversity is required.

Parts Not Recommended for New Designs: UCA2D101MHD1TN, UVK2D101MHD, UVK2E101MHD, and UVK2E101MHD1TN are classified as "Not For New Designs" and should be used only for legacy system maintenance or repair applications.

Frequently Asked Questions (FAQ)

Q: Can UAS2D101MHD6 be used as a direct replacement for ECA-2DM101B? A: Yes. Both parts share identical capacitance (100 µF), voltage rating (200 V), tolerance (±20%), lead spacing (0.295" / 7.50 mm), and through-hole radial can package. UAS2D101MHD6 offers extended temperature range and is Active product status. Height difference (0.866" vs 1.063") must be verified for board clearance.

Q: What is the difference between Cut Tape and Bulk packaging? A: Cut Tape packaging is supplied on carrier tape suitable for automated assembly equipment. Bulk packaging is supplied loose. Both formats maintain identical electrical and mechanical specifications. Selection depends on assembly process requirements.

Q: Can a 250 V rated part substitute for a 200 V application? A: Yes. UCS2E101MHD1TN and UVK2E101MHD series parts rated at 250 V are electrically compatible with 200 V applications. Higher voltage rating provides design margin. Physical dimensions and lead spacing remain compatible.

Q: Why are some parts marked "Not For New Designs"? A: Parts with this designation are maintained for legacy system support but are not recommended for new product development. Active status parts (UAS2D101MHD6, UCS2E101MHD1TN, SK101M200ST) are preferred for new designs.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts carry RoHS3 Compliant certification and REACH Unaffected status, matching the original ECA-2DM101B compliance profile.

Q: What is the significance of operating temperature range differences? A: Extended operating temperature ranges (-40°C vs -25°C minimum) provide design flexibility for applications in wider environmental conditions. Lifetime ratings are specified at particular temperatures; higher temperature ratings indicate enhanced thermal performance.

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