AFK157M35F24B-F Equivalent & Substitute Parts

Part Overview

The AFK157M35F24B-F is a 150 µF, 35 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a surface mount radial can package. This component is rated for automotive applications with AEC-Q200 compliance and operates across a temperature range of -55°C to 105°C with a 2000-hour lifetime at 105°C. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines that maintain electrical and mechanical compatibility.

Substiute Parts

AFK157M35F24B-F

Cornell Dubilier Electronics (CDE)In Stock: 998AFK157M35F24B-F Datasheet

Current PartRFQ

EEE-FK1V151AP

Panasonic Electronic ComponentsIn Stock: 2082EEE-FK1V151AP Datasheet

DirectRFQ

EEE-FK1V151P

Panasonic Electronic ComponentsIn Stock: 2259EEE-FK1V151P Datasheet

DirectRFQ

UCL1V151MNL1GS

NichiconIn Stock: 6349UCL1V151MNL1GS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AFK157M35F24B-F is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Capacitance: 150 µF (exact match)
• Voltage Rating: 35 V (exact match)
• Tolerance: ±20% (exact match)
• Operating Temperature Range: -55°C to 105°C (exact match)
• Lifetime: 2000 Hrs @ 105°C (exact match)
• Polarization: Polar (exact match)

Mechanical Equivalence Requirements:

• Package Type: Radial, Can - SMD (exact match)
• Mounting Type: Surface Mount (exact match)
• Physical Diameter: 0.315" (8.00 mm) (exact match)
• Physical Height: 0.413" (10.50 mm) or 0.394" (10.00 mm) (within PCB assembly tolerance)
• Surface Mount Land Size: Compatible with 8.30 mm x 8.30 mm or 8.30 mm x 10.00 mm footprints

Compliance Requirements:

• RoHS3 Compliant (required)
• Moisture Sensitivity Level 1 (required)

All substitute parts listed meet these criteria and are sourced from active product lines.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Automotive-Rated):

The Panasonic EEE-FK1V151AP and EEE-FK1V151P are direct electrical and mechanical equivalents with AEC-Q200 automotive qualification matching the original part's application requirements. Both parts are active products with established supply chains. Selection between these two depends on packaging requirements: EEE-FK1V151AP is supplied in Tape & Reel (TR) format, while EEE-FK1V151P is supplied in Cut Tape (CT) & Digi-Reel® format.

Secondary Substitute (General Purpose):

The Nichicon UCL1V151MNL1GS meets all electrical and mechanical equivalence criteria with identical capacitance, voltage, tolerance, temperature range, and lifetime specifications. The physical height is 0.394" (10.00 mm) versus 0.413" (10.50 mm) for the original part, representing a 0.019" reduction that falls within standard PCB assembly tolerances. This part lacks automotive-specific ratings but is suitable for applications where AEC-Q200 compliance is not mandated.

Compliance Verification:

All substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 status, ensuring compatibility with modern manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can EEE-FK1V151AP and EEE-FK1V151P be used interchangeably with AFK157M35F24B-F?

A: Yes. Both Panasonic parts are electrically and mechanically equivalent to the original CDE part. The difference between them is packaging format: EEE-FK1V151AP is supplied in Tape & Reel, while EEE-FK1V151P is supplied in Cut Tape & Digi-Reel. Selection depends on your procurement and assembly process requirements.

Q: What is the difference between the Panasonic and Nichicon substitutes?

A: The Panasonic EEE-FK series parts carry AEC-Q200 automotive qualification, matching the original part's automotive application rating. The Nichicon UCL1V151MNL1GS does not carry automotive-specific ratings but meets all electrical and mechanical specifications. Use Panasonic parts for automotive applications; use Nichicon for general-purpose applications where automotive qualification is not required.

Q: Does the 0.019" height difference between the original part and the Nichicon substitute affect PCB assembly?

A: No. The Nichicon UCL1V151MNL1GS has a maximum seated height of 0.394" (10.00 mm) compared to 0.413" (10.50 mm) for the original part. This 0.019" difference is within standard PCB assembly and component placement tolerances and does not affect board-level compatibility or reflow soldering processes.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts—EEE-FK1V151AP, EEE-FK1V151P, and UCL1V151MNL1GS—are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the original part's compliance status.

Q: What is the difference in ripple current handling between the original and substitute parts?

A: The original AFK157M35F24B-F handles 450 mA @ 120 Hz and 600 mA @ 100 kHz. The Panasonic EEE-FK1V151P matches these specifications exactly. The Panasonic EEE-FK1V151AP handles 390 mA @ 120 Hz (lower) but maintains 600 mA @ 100 kHz. The Nichicon UCL1V151MNL1GS handles 425 mA @ 120 Hz and 850 mA @ 100 kHz (higher). Verify ripple current requirements for your specific application before selection.

Q: Can I use these substitutes in high-temperature automotive applications?

A: Yes. All substitute parts operate across -55°C to 105°C with 2000-hour lifetime at 105°C, matching the original part's thermal specifications. The Panasonic parts carry explicit AEC-Q200 automotive qualification; the Nichicon part meets the electrical specifications but lacks automotive-specific ratings.