Equivalent & Substitute Parts for 185474J63RHB-F

Part Overview

The Cornell Dubilier Electronics (CDE) 185474J63RHB-F is a 0.47 µF film capacitor rated for 63V DC operation with ±5% tolerance, packaged in Tape & Reel format for automated assembly. This radial polyester metallized capacitor operates across the temperature range of -55°C to 125°C and is classified as Active product status with ROHS3 compliance.

Substitute parts are necessary when Tape & Reel packaging is unavailable, when higher voltage ratings are required for circuit margin, or when alternative manufacturers' components meet identical electrical specifications while offering improved inventory availability or lead times.

Key Parameters

Parameter	Value	Substitution Relevance
Capacitance	0.47 µF	Critical - must match exactly
Tolerance	±5%	Critical - must match or be tighter
Voltage Rating (DC)	63V	Critical - equal or higher acceptable
Voltage Rating (AC)	40V	Critical - equal or higher acceptable
Dielectric Material	Polyester, Metallized	Critical - must match
Operating Temperature Range	-55°C to 125°C	Critical - must match or exceed
Mounting Type	Through Hole Radial	Critical - must match
Lead Spacing	0.197" (5.00mm)	Critical - must match for PCB compatibility
Packaging Format	Tape & Reel (TR)	Non-critical - alternative formats acceptable
RoHS Status	ROHS3 Compliant	Critical - must maintain compliance

Substitute Part Grouping Explanation

Substitution logic for the 185474J63RHB-F is based on strict electrical and mechanical parameter matching:

Direct Equivalents (Same Electrical Specifications): Parts maintaining 0.47 µF capacitance, ±5% tolerance, 63V DC rating, polyester metallized dielectric, -55°C to 125°C operating range, and 5.00mm lead spacing are classified as direct equivalents. Packaging format differences (Bulk, Tape & Box, Cut Tape versus Tape & Reel) do not affect electrical performance and are acceptable substitutions.

Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance, tolerance, dielectric material, temperature range, and lead spacing but rated for 100V DC instead of 63V DC are acceptable upgrades. Higher voltage rating provides additional circuit margin without altering electrical behavior at the original 63V operating point.

Similar Parts (Different Mechanical Dimensions): Parts with matching electrical specifications but different physical dimensions and lead spacing are classified as similar. These require PCB layout verification before substitution.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage DC	Voltage AC	Dielectric	Temp Range	Lead Spacing	Packaging	Inventory
185474J63RHB-F	CDE	0.47 µF	±5%	63V	40V	Polyester, Metallized	-55°C to 125°C	5.00mm	Tape & Reel	799 Pcs
168474J63H-F	CDE	0.47 µF	±5%	63V	40V	Polyester, Metallized	-55°C to 125°C	5.00mm	Bulk	4911 Pcs
B32529C0474J000	EPCOS - TDK	0.47 µF	±5%	63V	40V	Polyester PET, Metallized - Stacked	-55°C to 125°C	5.00mm	Bulk	308008 Pcs
B32529C0474J289	EPCOS - TDK	0.47 µF	±5%	63V	40V	Polyester PET, Metallized - Stacked	-55°C to 125°C	5.00mm	Tape & Box	102241 Pcs
B32529C1474J000	EPCOS - TDK	0.47 µF	±5%	100V	63V	Polyester PET, Metallized - Stacked	-55°C to 125°C	5.00mm	Bulk	60328 Pcs
B32529C1474J289	EPCOS - TDK	0.47 µF	±5%	100V	63V	Polyester PET, Metallized - Stacked	-55°C to 125°C	5.00mm	Cut Tape	1401 Pcs
B32520C0474J000	EPCOS - TDK	0.47 µF	±5%	63V	40V	Polyester PET, Metallized - Stacked	-55°C to 125°C	7.50mm	Bulk	41604 Pcs
B32521C0474J000	EPCOS - TDK	0.47 µF	±5%	63V	40V	Polyester PET, Metallized - Stacked	-55°C to 125°C	10.00mm	Bulk	2521 Pcs

Engineering Selection Recommendations

Direct Substitution (No Design Changes Required):

The 168474J63H-F (CDE, Bulk packaging) and B32529C0474J000 or B32529C0474J289 (EPCOS - TDK, Bulk or Tape & Box) are direct electrical equivalents to the 185474J63RHB-F. All three maintain identical capacitance, tolerance, voltage ratings, dielectric composition, temperature range, and lead spacing. The 168474J63H-F offers the advantage of remaining within the CDE product family. The EPCOS - TDK B3252* series parts provide significantly higher inventory availability (308008 and 102241 units respectively) and carry AEC-Q200 automotive qualification, which exceeds the base requirement.

Upgrade Substitution (Enhanced Voltage Margin):

The B32529C1474J000 and B32529C1474J289 (EPCOS - TDK, 100V DC rating) are acceptable upgrades when additional voltage margin is required. These parts maintain all other electrical parameters while providing 37% higher voltage headroom. Both carry AEC-Q200 certification and ROHS3 compliance. Physical dimensions increase slightly (height 9.50mm versus 7.50mm for the original), requiring PCB layout verification.

Conditional Substitution (PCB Layout Verification Required):

The B32520C0474J000 and B32521C0474J000 (EPCOS - TDK) maintain identical electrical specifications but feature different lead spacing (7.50mm and 10.00mm respectively versus the original 5.00mm). These parts are electrically compatible but require PCB footprint modification and are suitable only when board redesign is feasible.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 185474J63RHB-F with the 168474J63H-F?

A: Yes. Both parts are manufactured by Cornell Dubilier Electronics and share identical electrical specifications: 0.47 µF capacitance, ±5% tolerance, 63V DC rating, polyester metallized dielectric, -55°C to 125°C operating range, and 5.00mm lead spacing. The only difference is packaging format (Tape & Reel versus Bulk), which does not affect electrical performance. The 168474J63H-F offers higher inventory availability (4911 units).

Q: What is the difference between the CDE parts and the EPCOS - TDK B3252 series?*

A: Electrical specifications are identical for the direct equivalents (B32529C0474J000 and B32529C0474J289). The EPCOS - TDK parts feature polyethylene terephthalate (PET) dielectric with metallized stacked construction versus the CDE polyester metallized design. Both dielectric approaches meet the same electrical performance requirements. EPCOS - TDK parts carry AEC-Q200 automotive qualification and significantly higher inventory levels.

Q: Can I use the B32529C1474J000 (100V rating) instead of the 185474J63RHB-F (63V rating)?

A: Yes. The 100V rated part is an acceptable upgrade. It maintains identical capacitance, tolerance, dielectric material, temperature range, and lead spacing. The higher voltage rating provides additional circuit margin without altering electrical behavior at 63V operation. Physical height increases from 7.50mm to 9.50mm, requiring PCB layout verification.

Q: Why do the B32520C0474J000 and B32521C0474J000 have different lead spacing?

A: These parts feature alternative mechanical designs with lead spacing of 7.50mm and 10.00mm respectively, compared to the original 5.00mm. While electrically identical, different lead spacing requires different PCB footprints. Substitution is possible only when PCB redesign is feasible.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity with the original 185474J63RHB-F.

Q: Which substitute offers the best inventory availability?

A: The B32529C0474J000 (EPCOS - TDK, Bulk packaging) provides the highest inventory with 308008 units in stock, followed by B32529C0474J289 (102241 units). Both are direct electrical equivalents with AEC-Q200 certification.

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