Equivalent & Substitute Parts for 185105J50RGA-F

Part Overview

The 185105J50RGA-F is a 1 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) in the 185 series. This radial polyester metallized capacitor is rated for 50V DC operation with ±5% tolerance and operates across the temperature range of -55°C to 125°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Alternative equivalent and substitute parts are necessary to address packaging format preferences, voltage rating upgrades, and inventory availability across different distribution channels.

Substiute Parts

185105J50RGA-F

Cornell Dubilier Electronics (CDE)In Stock: 1157185105J50RGA-F Datasheet

Current PartRFQ

168105J50G-F

Cornell Dubilier Electronics (CDE)In Stock: 5844168105J50G-F Datasheet

DirectRFQ

B32529C0105J000

EPCOS - TDK ElectronicsIn Stock: 2266B32529C0105J000 Datasheet

UpgradeRFQ

B32529C0105J189

EPCOS - TDK ElectronicsIn Stock: 47249B32529C0105J189 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 185105J50RGA-F is determined by the following critical parameters: capacitance value (1 µF), tolerance (±5%), dielectric material (polyester metallized), mounting type (through hole radial), lead spacing (5.00mm), and operating temperature range (-55°C to 125°C). All substitute parts maintain these core specifications.

The substitute parts are grouped into two categories:

Direct Equivalent (Same Voltage Rating): The 168105J50G-F from Cornell Dubilier Electronics maintains identical electrical specifications including 50V DC rating. The primary difference is packaging format (Bulk versus Tape & Reel) and series designation (168 versus 185).

Voltage-Upgraded Substitutes (Higher Voltage Rating): The B32529C0105J000 and B32529C0105J189 from EPCOS - TDK Electronics provide 63V DC rating (versus 50V DC) with identical capacitance, tolerance, and temperature range. These parts feature enhanced voltage margin and are qualified to AEC-Q200 automotive standards. Packaging differs between Bulk and Cut Tape formats.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): The 168105J50G-F is a direct electrical equivalent to the 185105J50RGA-F. Both parts maintain identical capacitance, voltage rating, tolerance, temperature range, and lead spacing. Selection between these two Cornell Dubilier parts depends on packaging requirements: choose 168105J50G-F for bulk packaging applications or when Tape & Reel format is not required.

For Voltage-Margin Applications: The B32529C0105J000 and B32529C0105J189 from EPCOS - TDK Electronics provide upgraded 63V DC rating with 40V AC rating, compared to the 50V DC and 30V AC of the main part. These substitutes are suitable for applications requiring higher voltage headroom while maintaining identical capacitance and tolerance. Both EPCOS parts carry AEC-Q200 automotive qualification. The B32529C0105J189 in Cut Tape packaging offers higher inventory availability (47,160 pcs) compared to B32529C0105J000 in Bulk format (2,210 pcs).

All substitute parts maintain ROHS3 compliance and operate across the full -55°C to 125°C temperature range. Physical dimensions differ slightly between CDE and EPCOS parts; verify PCB layout clearance for the EPCOS parts which are more compact (9.50mm height versus 11.00mm).

Frequently Asked Questions (FAQ)

Q: Can the 168105J50G-F replace the 185105J50RGA-F in my application?

A: Yes. The 168105J50G-F is a direct electrical equivalent with identical capacitance (1 µF), tolerance (±5%), voltage rating (50V DC), dielectric material (polyester metallized), operating temperature range (-55°C to 125°C), and lead spacing (5.00mm). The primary difference is packaging format: 168105J50G-F is supplied in Bulk, while 185105J50RGA-F is supplied in Tape & Reel. Both are through-hole radial components with PC pin termination.

Q: What is the advantage of using B32529C0105J000 or B32529C0105J189 instead of the original part?

A: The EPCOS B3252* series parts provide 63V DC rating (versus 50V DC) and 40V AC rating (versus 30V AC), offering higher voltage margin in the same physical footprint. These parts are qualified to AEC-Q200 automotive standards. The trade-off is slightly different physical dimensions: EPCOS parts are more compact (9.50mm height versus 11.00mm) and narrower (4.50mm width versus 6.00mm).

Q: Are the EPCOS parts physically compatible with the PCB layout designed for the CDE 185105J50RGA-F?

A: Lead spacing is identical at 5.00mm (0.197"), so the parts will mount to the same PCB holes. However, verify clearance around the component body, as EPCOS parts are more compact in height (9.50mm versus 11.00mm) and width (4.50mm versus 6.00mm). This may allow for denser PCB layouts or provide additional clearance in space-constrained designs.

Q: Which substitute part should I choose for highest inventory availability?

A: The B32529C0105J189 in Cut Tape packaging has the highest inventory level at 47,160 pcs. The 168105J50G-F has 5,758 pcs in Bulk packaging. The original 185105J50RGA-F in Tape & Reel has 1,074 pcs available.

Q: Do all substitute parts meet RoHS compliance requirements?

A: Yes. The 168105J50G-F, B32529C0105J000, and B32529C0105J189 are all ROHS3 compliant. All parts are REACH unaffected and classified as EAR99 for export control purposes.

Q: What is the difference between the two EPCOS substitute parts (B32529C0105J000 and B32529C0105J189)?

A: Both parts are electrically identical with 1 µF capacitance, ±5% tolerance, 63V DC rating, and identical physical dimensions. The difference is packaging format: B32529C0105J000 is supplied in Bulk, while B32529C0105J189 is supplied in Cut Tape. B32529C0105J189 has significantly higher inventory availability (47,160 pcs versus 2,210 pcs).