185474J50RHB-F Film Capacitor 0.47µF 50VDC Equivalent & Substitute Parts

Part Overview

The Cornell Dubilier Electronics (CDE) model 185474J50RHB-F is a 0.47 µF film capacitor with 50VDC rating, packaged in Tape & Reel format for through-hole mounting applications. This part is currently active with 1005 units in stock. Equivalent and substitute parts from alternative manufacturers or higher voltage ratings are necessary to address supply constraints, packaging format requirements, or design margin improvements in applications where voltage headroom is critical.

Key Parameters

Parameter	Specification
Capacitance	0.47 µF
Tolerance	±5%
Voltage Rating - DC	50VDC
Voltage Rating - AC	30VAC
Dielectric Material	Polyester, Metallized
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package / Case	Radial
Size / Dimension	0.283" L × 0.138" W (7.20mm × 3.50mm)
Lead Spacing	0.197" (5.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 185474J50RHB-F are classified based on three key parameters: capacitance, tolerance, and voltage rating. All substitute parts maintain the same 0.47 µF capacitance and ±5% tolerance as the original part. Substitutes are grouped into two voltage rating categories:

Category 1: 63VDC Upgrades – Parts with 63VDC rating provide increased voltage headroom while maintaining identical footprint dimensions and 5.00mm lead spacing. These include CDE model 168474J63H-F and EPCOS-TDK B32529C0474J series parts.

Category 2: 100VDC Upgrades – Parts with 100VDC rating provide maximum voltage headroom for design margin applications. These include EPCOS-TDK B32529C1474J series parts, which have slightly larger dimensions (0.177" width vs. 0.138") and height.

All substitute parts maintain through-hole radial mounting, polyester dielectric construction, and the same operating temperature range. Lead spacing remains constant at 5.00mm for direct board-level compatibility.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating - DC	Voltage Rating - AC	Size (Length × Width)	Height - Seated (Max)	Lead Spacing	Packaging	Inventory Status
185474J50RHB-F	Cornell Dubilier Electronics (CDE)	0.47 µF	±5%	50VDC	30VAC	0.283" × 0.138" (7.20mm × 3.50mm)	0.295" (7.50mm)	0.197" (5.00mm)	Tape & Reel (TR)	1005 Pcs
168474J63H-F	Cornell Dubilier Electronics (CDE)	0.47 µF	±5%	63VDC	40VAC	0.283" × 0.138" (7.20mm × 3.50mm)	0.295" (7.50mm)	0.197" (5.00mm)	Bulk	4911 Pcs
B32529C0474J000	EPCOS - TDK Electronics	0.47 µF	±5%	63VDC	40VAC	0.287" × 0.138" (7.30mm × 3.50mm)	0.315" (8.00mm)	0.197" (5.00mm)	Bulk	308008 Pcs
B32529C0474J289	EPCOS - TDK Electronics	0.47 µF	±5%	63VDC	40VAC	0.287" × 0.138" (7.30mm × 3.50mm)	0.315" (8.00mm)	0.197" (5.00mm)	Tape & Box (TB)	102241 Pcs
B32529C1474J000	EPCOS - TDK Electronics	0.47 µF	±5%	100VDC	63VAC	0.287" × 0.177" (7.30mm × 4.50mm)	0.374" (9.50mm)	0.197" (5.00mm)	Bulk	60328 Pcs
B32529C1474J289	EPCOS - TDK Electronics	0.47 µF	±5%	100VDC	63VAC	0.287" × 0.177" (7.30mm × 4.50mm)	0.374" (9.50mm)	0.197" (5.00mm)	Cut Tape (CT)	1401 Pcs

Engineering Selection Recommendations

All substitute parts listed maintain ROHS3 compliance and REACH Unaffected status, consistent with the original 185474J50RHB-F specification. All parts support the full operating temperature range of -55°C to 125°C.

The CDE 168474J63H-F provides a direct upgrade path with identical physical dimensions and the same manufacturer, requiring no board-level redesign. This part is suitable for applications requiring 63VDC voltage rating with existing PCB layouts.

The EPCOS-TDK B32529C series parts (both 63VDC and 100VDC variants) offer significantly higher inventory availability and incorporate automotive-qualified AEC-Q200 ratings. These parts have slightly larger length (0.287" vs. 0.283") and height dimensions:

63VDC variants (B32529C0474J000, B32529C0474J289) maintain the 0.138" width with 0.315" maximum seated height
100VDC variants (B32529C1474J000, B32529C1474J289) increase width to 0.177" and seated height to 0.374"

Packaging options include Bulk, Tape & Box (TB), and Cut Tape (CT) formats to accommodate different procurement and assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can the 185474J50RHB-F be directly replaced with the 168474J63H-F without PCB modification?

A: Yes. Both parts share identical dimensions (0.283" × 0.138"), lead spacing (5.00mm), and radial package configuration. The 168474J63H-F is a direct footprint replacement with upgraded voltage rating from 50VDC to 63VDC.

Q: What is the physical compatibility difference between CDE and EPCOS-TDK substitute parts?

A: The EPCOS-TDK B32529C0474J series (63VDC) maintains the same width (0.138") as the original but increases length to 0.287" and height to 0.315". The B32529C1474J series (100VDC) further increases width to 0.177" and height to 0.374". Lead spacing remains constant at 5.00mm for all variants.

Q: What are the packaging format differences among substitutes?

A: The 185474J50RHB-F is supplied in Tape & Reel (TR) format. Substitutes are available in Bulk, Tape & Box (TB), and Cut Tape (CT) formats. Format selection depends on assembly equipment compatibility and procurement volume requirements.

Q: Are all substitute parts qualified for automotive applications?

A: The EPCOS-TDK B32529C series parts carry AEC-Q200 automotive qualification. The CDE 168474J63H-F and original 185474J50RHB-F do not list AEC-Q200 rating in their specifications.

Q: What voltage rating upgrade should be selected for design margin?

A: Selection depends on available PCB space. The 63VDC variants (168474J63H-F, B32529C0474J series) fit identical or near-identical board footprints. The 100VDC variants (B32529C1474J series) require additional PCB clearance due to increased dimensions but provide maximum voltage headroom.

Q: Are all substitute parts moisture-sensitive?

A: The CDE parts list Moisture Sensitivity Level (MSL) as 1 (Unlimited). The EPCOS-TDK B32529C series parts list MSL as Not Applicable, indicating no moisture sensitivity requirement during storage and handling.

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