Equivalent & Substitute Parts for 475AXZ050M

Part Overview

The 475AXZ050M is a 4.7 µF, 50 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor in the AXZ series. This surface mount radial can capacitor is designed for bypass and decoupling applications in electronic circuits. The part is currently active in production with 994 units in stock. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when design flexibility is required within specified electrical and mechanical parameters.

Key Parameters

Parameter	Specification
Capacitance	4.7 µF
Voltage Rating	50 V
Tolerance	±20%
Polarization	Polar
Mounting Type	Surface Mount
Package Type	Radial, Can - SMD
Operating Temperature Range	-55°C to 105°C
Lifetime at Temperature	2000 Hrs @ 105°C
Physical Diameter	0.197" (5.00 mm)
Surface Mount Land Size	0.209" L x 0.209" W (5.30 mm x 5.30 mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of aluminum electrolytic capacitors is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

Capacitance value (4.7 µF)
Voltage rating (50 V minimum)
Tolerance (±20%)
Polarization (Polar)
Operating temperature range (-55°C to 105°C)
Lifetime rating (2000 Hrs @ 105°C)

Mechanical Parameters:

Mounting type (Surface Mount)
Package configuration (Radial, Can - SMD)
Physical diameter (0.197" / 5.00 mm)
Surface mount land size (0.209" L x 0.209" W / 5.30 mm x 5.30 mm)

Compliance Parameters:

RoHS3 compliance
MSL rating (1 - Unlimited)

The substitute part MAL215371478E3 meets all critical electrical and mechanical parameters required for direct substitution in the 475AXZ050M application space.

Parameter Comparison

Parameter	475AXZ050M (Cornell Dubilier)	MAL215371478E3 (Vishay)	Match Status
Capacitance	4.7 µF	4.7 µF	Exact Match
Voltage Rating	50 V	50 V	Exact Match
Tolerance	±20%	±20%	Exact Match
Operating Temperature	-55°C to 105°C	-55°C to 105°C	Exact Match
Lifetime @ 105°C	2000 Hrs	2000 Hrs	Exact Match
Polarization	Polar	Polar	Exact Match
Mounting Type	Surface Mount	Surface Mount	Exact Match
Package Type	Radial, Can - SMD	Radial, Can - SMD	Exact Match
Physical Diameter	0.197" (5.00 mm)	0.197" (5.00 mm)	Exact Match
Height - Seated (Max)	0.220" (5.60 mm)	0.217" (5.50 mm)	Compatible
Surface Mount Land Size	0.209" L x 0.209" W (5.30 mm x 5.30 mm)	0.209" L x 0.209" W (5.30 mm x 5.30 mm)	Exact Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Exact Match
Moisture Sensitivity Level	MSL 1 (Unlimited)	MSL 1 (Unlimited)	Exact Match
ESR @ Reference Frequency	42.328 Ohm @ 120 Hz	6 Ohm @ 100 kHz	Different Measurement Conditions

Engineering Selection Recommendations

Both the 475AXZ050M and MAL215371478E3 are active production parts with ROHS3 compliance and MSL 1 rating, confirming suitability for current manufacturing and environmental standards. The parts are electrically and mechanically equivalent across all critical parameters: capacitance, voltage rating, tolerance, operating temperature range, lifetime rating, mounting configuration, and physical dimensions.

The seated height difference of 0.003" (0.10 mm) between the two parts is within acceptable PCB assembly tolerances and does not affect substitutability. Both parts utilize identical surface mount land sizes and are compatible with standard pick-and-place assembly equipment.

Selection between these parts should be based on availability, lead time, packaging format (the substitute is supplied in Tape & Reel format), and cost considerations. Both parts are suitable for bypass and decoupling applications within the specified electrical operating parameters.

Frequently Asked Questions (FAQ)

Q: Can MAL215371478E3 be used as a direct replacement for 475AXZ050M?

A: Yes. Both parts meet identical specifications for capacitance (4.7 µF), voltage rating (50 V), tolerance (±20%), operating temperature range (-55°C to 105°C), lifetime (2000 Hrs @ 105°C), and physical dimensions. The surface mount land sizes are identical, and both parts are ROHS3 compliant with MSL 1 rating.

Q: What is the difference in height between these two parts?

A: The 475AXZ050M has a maximum seated height of 0.220" (5.60 mm), while the MAL215371478E3 has a maximum seated height of 0.217" (5.50 mm). This 0.003" (0.10 mm) difference is within standard PCB assembly tolerances and does not affect board-level compatibility.

Q: Are the ESR values different between these parts?

A: The ESR values are measured at different frequencies: 475AXZ050M at 42.328 Ohm @ 120 Hz and MAL215371478E3 at 6 Ohm @ 100 kHz. These measurements reflect different test conditions and are not directly comparable. Both parts meet the electrical requirements for bypass and decoupling applications.

Q: What packaging formats are available for these parts?

A: The 475AXZ050M is available in standard packaging. The MAL215371478E3 is supplied in Tape & Reel (TR) format, which is standard for high-volume surface mount assembly operations.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both the 475AXZ050M and MAL215371478E3 are ROHS3 compliant and REACH unaffected, confirming compliance with current environmental and regulatory standards.

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