SN470M025ST Equivalent & Substitute Parts

Part Overview

The SN470M025ST is a 47 µF, 25 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing applications and new designs. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 1000 hours at 85°C and is suitable for general-purpose applications requiring through-hole mounting.

Key Parameters

Parameter	Value
Capacitance	47 µF
Voltage Rating	25 V
Tolerance	±20%
Polarization	Bi-Polar
Operating Temperature Range	-40°C ~ 85°C
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.394" (10.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SN470M025ST is determined by strict adherence to the following electrical and mechanical parameters:

Electrical Compatibility Criteria:

Capacitance value must equal 47 µF
Tolerance must be ±20%
Polarization must be Bi-Polar
Operating temperature range must encompass -40°C ~ 85°C
Voltage rating must be equal to or greater than 25 V

Mechanical Compatibility Criteria:

Mounting type must be Through Hole
Package type must be Radial, Can
Lead spacing must be 0.197" (5.00mm)
Case diameter must be 0.394" (10.00mm)

Compliance Criteria:

RoHS3 compliance required

The substitute parts identified below satisfy all electrical and mechanical compatibility requirements while offering enhanced performance characteristics in terms of voltage rating and lifetime at rated temperature.

Parameter Comparison

Parameter	SN470M025ST (Main)	ECE-A1HN470U (Upgrade)	UVP1J470MPD1TD (Similar)
Manufacturer	Cornell Dubilier Electronics	Panasonic Electronic Components	Nichicon
Capacitance	47 µF	47 µF	47 µF
Voltage Rating	25 V	50 V	63 V
Tolerance	±20%	±20%	±20%
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Lifetime @ 85°C	1000 Hrs	2000 Hrs	2000 Hrs
Polarization	Bi-Polar	Bi-Polar	Bi-Polar
Ripple Current @ 120 Hz	140 mA	140 mA	180 mA
Lead Spacing	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)
Case Diameter	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)
Height (Max)	0.472" (12.00mm)	0.492" (12.50mm)	0.689" (17.50mm)
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can
Product Status	Obsolete	Active	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

ECE-A1HN470U (Panasonic Electronic Components)

The ECE-A1HN470U is classified as an upgrade substitute. This part maintains electrical and mechanical compatibility with the SN470M025ST while providing enhanced performance. The 50 V voltage rating provides additional design margin beyond the original 25 V specification. The lifetime rating of 2000 hours at 85°C doubles the original specification. The part is currently in active production status, ensuring long-term availability. RoHS3 compliance is maintained. The maximum height of 0.492" (12.50mm) represents a minimal increase of 0.020" compared to the original part, remaining compatible with standard PCB layouts.

UVP1J470MPD1TD (Nichicon)

The UVP1J470MPD1TD is classified as a similar substitute. This part satisfies all electrical and mechanical compatibility requirements with a 63 V voltage rating and 2000-hour lifetime at 85°C. The product status is listed as "Not For New Designs," indicating this part is suitable for replacement and maintenance applications only. The maximum height of 0.689" (17.50mm) represents a significant increase of 0.217" compared to the original part and must be evaluated for PCB clearance compatibility. RoHS3 compliance is maintained.

Frequently Asked Questions (FAQ)

Q: Can the ECE-A1HN470U directly replace the SN470M025ST in existing designs?

A: Yes. The ECE-A1HN470U maintains identical capacitance (47 µF), tolerance (±20%), polarization (Bi-Polar), operating temperature range (-40°C ~ 85°C), lead spacing (0.197"), case diameter (0.394"), and mounting type (Through Hole). The increased voltage rating (50 V vs. 25 V) and extended lifetime (2000 Hrs vs. 1000 Hrs @ 85°C) provide enhanced performance margins. The height increase of 0.020" is negligible for most PCB layouts.

Q: What are the key differences between the two substitute parts?

A: The ECE-A1HN470U offers a 50 V rating with active production status, making it the preferred choice for new designs and long-term availability. The UVP1J470MPD1TD provides a higher 63 V rating but is designated "Not For New Designs" and has a significantly greater height (0.689" vs. 0.472"), requiring PCB clearance verification.

Q: Are all three parts RoHS3 compliant?

A: Yes. The SN470M025ST, ECE-A1HN470U, and UVP1J470MPD1TD are all ROHS3 compliant.

Q: What is the impact of the height difference in the UVP1J470MPD1TD?

A: The UVP1J470MPD1TD has a maximum height of 0.689" (17.50mm), compared to 0.472" (12.00mm) for the original part. This 0.217" increase must be evaluated against available PCB clearance, component proximity, and enclosure constraints before selection.

Q: Can the substitute parts handle the same ripple current as the original?

A: The ECE-A1HN470U maintains the same ripple current specification at 120 Hz (140 mA). The UVP1J470MPD1TD provides higher ripple current capability at 180 mA @ 120 Hz and 360 mA @ 10 kHz, offering additional performance headroom for high-frequency applications.

Q: What is the significance of the "Not For New Designs" status on the UVP1J470MPD1TD?

A: This designation indicates the part is suitable for replacement and maintenance of existing equipment but should not be selected for new product development. The ECE-A1HN470U, with active production status, is the recommended choice for new designs.

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