MZA25VC10RMD61TP Equivalent & Substitute Parts

Part Overview

The MZA25VC10RMD61TP is a 10 µF, 25 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Chemi-Con. This component is rated for 2000 hours at 105°C and operates across the temperature range of -55°C to 105°C. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing design requirements and production continuity.

Key Parameters

Parameter	Value
Capacitance	10 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C to 105°C
Polarization	Polar
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Size / Diameter	0.157" (4.00 mm)
Ripple Current @ 100 kHz	90 mA
Impedance	1.35 Ohms

Substitute Part Grouping Explanation

Substitution of the MZA25VC10RMD61TP is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 10 µF (exact match required)
Voltage Rating: 25 V minimum (equal or higher voltage ratings are acceptable)
Tolerance: ±20% (matching tolerance class)
Polarization: Polar (required for electrolytic type)
Package: Radial, Can - SMD (surface mount configuration)
Mounting Type: Surface Mount
Physical Diameter: 0.157" (4.00 mm)
Operating Temperature Range: -55°C to 105°C minimum
Lifetime: 2000 Hrs @ 105°C minimum

Secondary Compatibility Parameters:

Ripple Current @ 100 kHz: 90 mA (reference value)
Impedance: 1.35 Ohms (reference value)
Surface Mount Land Size: 0.169" L x 0.169" W (4.30 mm x 4.30 mm) standard

Parts are grouped into two categories: Direct Equivalents (identical electrical specifications and 25 V rating) and Upgraded Substitutes (higher voltage ratings or enhanced specifications while maintaining core electrical parameters).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Impedance	Height (Max)	Product Status	RoHS Status
MZA25VC10RMD61TP	Chemi-Con	10 µF	25 V	±20%	2000 Hrs	1.35 Ω	0.228" (5.80 mm)	Obsolete	Non-compliant
EMZA250ARA100MD61G	Chemi-Con	10 µF	25 V	±20%	2000 Hrs	1.35 Ω	0.240" (6.10 mm)	Active	ROHS3 Compliant
AFK106M25B12T-F	Cornell Dubilier Electronics	10 µF	25 V	±20%	2000 Hrs	1.35 Ω	0.240" (6.10 mm)	Active	ROHS3 Compliant
EEE-FK1E100R	Panasonic Electronic Components	10 µF	25 V	±20%	2000 Hrs	1.35 Ω	0.240" (6.10 mm)	Active	ROHS3 Compliant
EEV106M025S9BAA	KEMET	10 µF	25 V	±20%	2000 Hrs	1.93 Ω	0.222" (5.65 mm)	Active	ROHS3 Compliant
EXV106M025S9BAA	KEMET	10 µF	25 V	±20%	3000 Hrs	1.93 Ω	0.222" (5.65 mm)	Active	ROHS3 Compliant
35TZV10M4X6.1	Rubycon	10 µF	35 V	±20%	2000 Hrs	1.45 Ω	0.240" (6.10 mm)	Active	ROHS3 Compliant
AFK106M35B12T-F	Cornell Dubilier Electronics	10 µF	35 V	±20%	2000 Hrs	1.35 Ω	0.240" (6.10 mm)	Active	ROHS3 Compliant
EEE-FK1V100UR	Panasonic Electronic Components	10 µF	35 V	±20%	2000 Hrs	1.35 Ω	0.240" (6.10 mm)	Active	ROHS3 Compliant
EEV106M035S9BAA	KEMET	10 µF	35 V	±20%	2000 Hrs	1.93 Ω	0.222" (5.65 mm)	Active	ROHS3 Compliant
UCM1H100MCL6GS	Nichicon	10 µF	50 V	±20%	2000 Hrs	2.3 Ω	0.240" (6.10 mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (25 V Rating):

EMZA250ARA100MD61G (Chemi-Con) is the primary direct equivalent. This part maintains identical electrical specifications (10 µF, 25 V, ±20%, 2000 Hrs @ 105°C, 1.35 Ω impedance) and is manufactured by the same supplier as the obsolete MZA25VC10RMD61TP. The part is active, ROHS3 compliant, and available in Tape & Reel packaging. Height difference of 0.012" (0.30 mm) is within acceptable PCB layout tolerances for surface mount applications.

AFK106M25B12T-F (Cornell Dubilier Electronics) and EEE-FK1E100R (Panasonic Electronic Components) are functionally equivalent alternatives with identical electrical parameters and active product status. Both are ROHS3 compliant and rated for automotive applications with AEC-Q200 certification.

EEV106M025S9BAA (KEMET) and EXV106M025S9BAA (KEMET) maintain 25 V rating with slightly elevated impedance (1.93 Ω). EXV106M025S9BAA offers extended lifetime of 3000 Hrs @ 105°C. Both are ROHS3 compliant and AEC-Q200 rated.

Upgraded Substitutes (35 V Rating):

35TZV10M4X6.1 (Rubycon), AFK106M35B12T-F (Cornell Dubilier Electronics), EEE-FK1V100UR (Panasonic Electronic Components), and EEV106M035S9BAA (KEMET) provide higher voltage rating of 35 V while maintaining 10 µF capacitance and ±20% tolerance. These parts are suitable for applications requiring voltage margin or operating in higher voltage environments. All are active, ROHS3 compliant, and AEC-Q200 rated.

Higher Voltage Alternative (50 V Rating):

UCM1H100MCL6GS (Nichicon) provides 50 V rating for applications requiring maximum voltage headroom. Impedance increases to 2.3 Ω and ripple current capacity reduces to 85 mA @ 100 kHz. This part is active and ROHS3 compliant but carries REACH Affected status.

All substitute parts maintain the required operating temperature range (-55°C to 105°C), surface mount radial can package configuration, and 4.00 mm diameter specification.

Frequently Asked Questions (FAQ)

Q: Can EMZA250ARA100MD61G directly replace MZA25VC10RMD61TP without circuit modification?

A: Yes. EMZA250ARA100MD61G is a direct electrical equivalent with identical capacitance (10 µF), voltage rating (25 V), tolerance (±20%), lifetime (2000 Hrs @ 105°C), and impedance (1.35 Ω). The 0.012" height difference does not affect electrical performance or standard PCB layout requirements for surface mount components.

Q: What is the difference between 25 V and 35 V rated substitutes?

A: The 35 V rated parts (35TZV10M4X6.1, AFK106M35B12T-F, EEE-FK1V100UR, EEV106M035S9BAA) provide higher voltage margin and are suitable for circuits operating at higher supply voltages or requiring additional safety margin. All maintain identical 10 µF capacitance and ±20% tolerance. Selection depends on circuit voltage requirements.

Q: Are all substitute parts ROHS3 compliant?

A: All active substitute parts listed are ROHS3 compliant. The original MZA25VC10RMD61TP is RoHS non-compliant. Substitution with any listed active part ensures compliance with current environmental regulations.

Q: What does AEC-Q200 rating indicate?

A: AEC-Q200 is an automotive qualification standard. All active substitute parts carry this certification, indicating suitability for automotive applications with validated reliability and performance standards.

Q: How do impedance differences affect circuit performance?

A: Impedance values range from 1.35 Ω to 2.3 Ω across substitute options. Lower impedance (1.35 Ω) provides better high-frequency filtering characteristics. Higher impedance (1.93 Ω, 2.3 Ω) may affect ripple current performance. Selection should match original circuit design requirements for filtering and decoupling applications.

Q: Can UCM1H100MCL6GS (50 V) be used in place of 25 V rated parts?

A: Yes, from an electrical standpoint. The 50 V rating is compatible with 25 V circuits. However, impedance increases to 2.3 Ω and ripple current capacity reduces to 85 mA @ 100 kHz compared to 90 mA. Verify that reduced ripple current capacity meets circuit requirements before substitution.

Q: What packaging options are available?

A: Most substitute parts are available in Tape & Reel (TR) packaging for automated assembly. EXV106M025S9BAA and EEV106M035S9BAA are supplied in Cut Tape (CT) format. Verify packaging compatibility with production equipment requirements.

Q: Are there differences in surface mount land sizes?

A: Standard land size is 0.169" L x 0.169" W (4.30 mm x 4.30 mm) for most parts. AFK106M25B12T-F and AFK106M35B12T-F use 0.169" L x 0.217" W (4.30 mm x 5.50 mm). Verify PCB footprint compatibility before design implementation.

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