Equivalent & Substitute Parts for 185104J100RHB-F

Part Overview

The 185104J100RHB-F is a 0.1 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) in the 185 series. This radial polyester metallized film capacitor is rated for 100V DC operation with ±5% tolerance and operates across the temperature range of -55°C to 125°C. The part is classified as Active product status with ROHS3 compliance and is supplied in Tape & Reel packaging. Equivalent and substitute parts are identified to address packaging availability, inventory requirements, or design flexibility while maintaining electrical and mechanical compatibility within specified parameters.

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Tolerance	±5%
Voltage Rating - DC	100V
Voltage Rating - AC	63V
Dielectric Material	Polyester, Metallized
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Through Hole
Package / Case	Radial
Termination	PC Pins
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 185104J100RHB-F are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes (Identical Electrical Parameters, Packaging Variation): Parts that maintain all critical electrical specifications (0.1 µF capacitance, ±5% tolerance, 100V DC rating, -55°C to 125°C operating range) with identical physical footprint (0.283" L x 0.098" W, 5.00mm lead spacing) but differ in packaging format or series designation. These include 168104J100H-F from CDE and B32529C1104J000, B32529C1104J189, and B32529C1104J289 from EPCOS - TDK Electronics.

Similar Substitutes (Electrical Compatibility, Physical Variation): Parts that maintain all critical electrical specifications but feature different physical dimensions and lead spacing. These include 160104J100C-F from CDE and B32521C1104J000 from EPCOS - TDK Electronics. These parts require PCB layout modification due to increased footprint size.

Substitution logic is based strictly on: capacitance value, tolerance, DC voltage rating, AC voltage rating, dielectric material composition, operating temperature range, mounting type, and termination style.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Tolerance	Voltage DC	Voltage AC	Dielectric	Temp Range	Size (L x W)	Lead Spacing	Packaging	Inventory
185104J100RHB-F	CDE	185	0.1 µF	±5%	100V	63V	Polyester, Metallized	-55°C ~ 125°C	0.283" x 0.098"	0.197" (5.00mm)	Tape & Reel	752 Pcs
168104J100H-F	CDE	168	0.1 µF	±5%	100V	63V	Polyester, Metallized	-55°C ~ 125°C	0.283" x 0.098"	0.197" (5.00mm)	Bulk	19920 Pcs
160104J100C-F	CDE	160	0.1 µF	±5%	100V	63V	Polyester, Metallized	-55°C ~ 105°C	0.512" x 0.157"	0.394" (10.00mm)	Bulk	1642 Pcs
B32529C1104J000	EPCOS - TDK	B3252*	0.1 µF	±5%	100V	63V	Polyester, PET, Metallized - Stacked	-55°C ~ 125°C	0.287" x 0.098"	0.197" (5.00mm)	Bulk	23389 Pcs
B32529C1104J189	EPCOS - TDK	B3252*	0.1 µF	±5%	100V	63V	Polyester, PET, Metallized - Stacked	-55°C ~ 125°C	0.287" x 0.098"	0.197" (5.00mm)	Cut Tape	2454 Pcs
B32529C1104J289	EPCOS - TDK	B3252*	0.1 µF	±5%	100V	63V	Polyester, PET, Metallized - Stacked	-55°C ~ 125°C	0.287" x 0.098"	0.197" (5.00mm)	Cut Tape	3200 Pcs
B32521C1104J000	EPCOS - TDK	B3252*	0.1 µF	±5%	100V	63V	Polyester, PET, Metallized - Stacked	-55°C ~ 125°C	0.512" x 0.157"	0.394" (10.00mm)	Bulk	2344 Pcs

Engineering Selection Recommendations

For Direct Footprint Compatibility (No PCB Modification Required):

The 168104J100H-F from CDE is the primary direct substitute, maintaining identical electrical specifications and physical dimensions. This part differs only in packaging format (Bulk versus Tape & Reel) and series designation (168 versus 185). With 19920 pieces in inventory, this option provides superior availability.

The B32529C1104J000, B32529C1104J189, and B32529C1104J289 from EPCOS - TDK Electronics are direct electrical and mechanical equivalents with AEC-Q200 automotive qualification. These parts feature polyester PET metallized stacked construction and maintain the identical 5.00mm lead spacing and 0.287" x 0.098" footprint. All three variants are ROHS3 compliant and operate across -55°C to 125°C. Selection between these three depends on packaging requirement: B32529C1104J000 (Bulk), B32529C1104J189 (Cut Tape), or B32529C1104J289 (Cut Tape).

For Applications Permitting Physical Redesign:

The 160104J100C-F from CDE and B32521C1104J000 from EPCOS - TDK Electronics are suitable where PCB layout modification is acceptable. Both maintain electrical compatibility but feature larger physical dimensions (0.512" x 0.157") and 10.00mm lead spacing. The 160104J100C-F operates to 105°C maximum, which is 20°C lower than the primary part specification. The B32521C1104J000 maintains the full -55°C to 125°C range and includes AEC-Q200 automotive qualification.

All substitute parts listed are Active product status with ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the 185104J100RHB-F.

Frequently Asked Questions (FAQ)

Q: Can 168104J100H-F replace 185104J100RHB-F directly on the PCB?

A: Yes. The 168104J100H-F maintains identical electrical specifications (0.1 µF, ±5%, 100V DC, -55°C to 125°C) and physical footprint (0.283" x 0.098", 5.00mm lead spacing). The only differences are series designation (168 versus 185) and packaging format (Bulk versus Tape & Reel). No PCB modification is required.

Q: What is the difference between the EPCOS B32529 variants (J000, J189, J289)?

A: All three B32529 variants (B32529C1104J000, B32529C1104J189, B32529C1104J289) are electrically and mechanically identical. They differ only in packaging format: J000 is supplied in Bulk, while J189 and J289 are supplied in Cut Tape. Selection depends on assembly process requirements and inventory management preferences.

Q: Why does 160104J100C-F have a lower maximum operating temperature?

A: The 160104J100C-F operates to 105°C maximum, compared to 125°C for the primary part. This is a design characteristic of the 160 series. Applications requiring operation above 105°C must use the 185104J100RHB-F, 168104J100H-F, or EPCOS B3252* series parts.

Q: Are the EPCOS B32529 and B32521 parts automotive qualified?

A: Yes. Both B32529 and B32521 series parts carry AEC-Q200 automotive qualification. The 185104J100RHB-F and 168104J100H-F from CDE do not list automotive qualification in the provided specifications.

Q: Can I use B32521C1104J000 as a direct replacement?

A: B32521C1104J000 is electrically compatible but requires PCB layout modification. It features a larger footprint (0.512" x 0.157" versus 0.283" x 0.098") and 10.00mm lead spacing versus 5.00mm. Use this part only where PCB redesign is acceptable.

Q: What is the difference between polyester metallized and polyester PET metallized stacked construction?

A: Both are polyester-based dielectric materials. The EPCOS parts specify polyester PET (polyethylene terephthalate) with metallized stacked construction, while CDE parts specify polyester metallized. Both maintain the same electrical performance for this application. The stacked construction in EPCOS parts is a manufacturing technique that does not affect electrical compatibility.

Q: Which substitute has the highest inventory availability?

A: B32529C1104J000 from EPCOS - TDK Electronics has the highest inventory with 23389 pieces in stock, followed by 168104J100H-F from CDE with 19920 pieces.

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