B32520C6682K Equivalent & Substitute Parts

Part Overview

The B32520C6682K is a 6800 pF film capacitor manufactured by EPCOS - TDK Electronics, rated for 400V DC operation with ±10% tolerance. This radial through-hole component utilizes polyester (PET) dielectric material with metallized-stacked construction, designed for automotive and EMI/RFI suppression applications across an operating temperature range of -55°C to 125°C.

The B32520C6682K is classified as obsolete. Equivalent substitute parts are available from the same manufacturer in active production status, as well as from alternative qualified manufacturers, ensuring continued component availability for maintenance, repair, and new design implementations.

Key Parameters

Parameter	Value
Capacitance	6800 pF
Tolerance	±10%
Voltage Rating - DC	400V
Voltage Rating - AC	200V
Dielectric Material	Polyester (PET), Metallized
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package Type	Radial
Termination	PC Pins
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the B32520C6682K is determined by strict equivalence across the following critical parameters:

Capacitance value: 6800 pF (exact match required)
Tolerance: ±10% (exact match required)
Voltage rating: 400V DC minimum, 200V AC minimum
Dielectric material: Polyester (PET), metallized construction
Mounting type: Through hole radial configuration
Termination: PC pins
Operating temperature range: -55°C to 125°C minimum
RoHS3 compliance

Physical dimensions (length, width, height, lead spacing) may vary within the constraints of radial through-hole packaging, provided the component fits the intended PCB layout and does not create mechanical interference.

Two qualified substitute parts meet these criteria: B32529C6682K000 (EPCOS - TDK Electronics, active status) and 167682K400A-F (Cornell Dubilier Electronics, active status).

Parameter Comparison

Parameter	B32520C6682K (Main)	B32529C6682K000 (Substitute)	167682K400A-F (Substitute)
Manufacturer	EPCOS - TDK Electronics	EPCOS - TDK Electronics	Cornell Dubilier Electronics
Product Status	Obsolete	Active	Active
Capacitance	6800 pF	6800 pF	6800 pF
Tolerance	±10%	±10%	±10%
Voltage Rating - DC	400V	400V	400V
Voltage Rating - AC	200V	200V	200V
Dielectric Material	Polyester (PET), Metallized - Stacked	Polyester (PET), Metallized - Stacked	Polyester, Metallized
Operating Temperature	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	Radial	Radial	Radial
Termination	PC Pins	PC Pins	PC Pins
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Lead Spacing	0.295" (7.50mm)	0.197" (5.00mm)	0.295" (7.50mm)
Height - Seated (Max)	0.276" (7.00mm)	0.256" (6.50mm)	0.276" (7.00mm)

Engineering Selection Recommendations

Both substitute parts are qualified replacements for the obsolete B32520C6682K based on electrical parameter equivalence and compliance certifications.

B32529C6682K000 is the manufacturer-recommended substitute from EPCOS - TDK Electronics. This part maintains active production status and ROHS3 compliance. The reduced lead spacing (5.00mm versus 7.50mm) and slightly lower seated height (6.50mm versus 7.00mm) require PCB layout verification to ensure compatibility with existing through-hole pad patterns.

167682K400A-F is a direct alternative from Cornell Dubilier Electronics, also in active production with ROHS3 compliance. This part maintains the original lead spacing (7.50mm) and seated height (7.00mm), providing direct mechanical compatibility with PCB designs originally specified for the B32520C6682K. The dielectric material is polyester metallized construction without the stacked designation, meeting all electrical requirements.

Selection between these substitutes depends on PCB layout constraints and lead spacing compatibility. Both parts satisfy automotive and EMI/RFI suppression applications across the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can B32529C6682K000 be used as a direct replacement without PCB modification?

A: Electrical substitution is valid. However, the reduced lead spacing (5.00mm versus 7.50mm) requires verification that existing through-hole pad patterns accommodate this dimension. PCB layout modification may be necessary.

Q: What is the difference between "metallized - stacked" and "metallized" dielectric construction?

A: Both constructions utilize polyester dielectric material with metallized electrodes. The stacked designation in the B32520C6682K and B32529C6682K000 indicates a specific internal layer arrangement. The 167682K400A-F uses standard metallized polyester construction. Both meet the electrical specifications for this application.

Q: Are all three parts suitable for automotive applications?

A: The B32520C6682K and B32529C6682K000 are explicitly rated for automotive applications. The 167682K400A-F is rated for general purpose applications. Automotive-specific qualification requirements should be confirmed with the end-use application specifications.

Q: What is the impact of the different physical dimensions on circuit performance?

A: Physical dimensions do not affect electrical performance. Capacitance, voltage rating, tolerance, and temperature characteristics remain identical. Dimension differences impact only PCB layout compatibility and mechanical fit within the enclosure.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. B32520C6682K, B32529C6682K000, and 167682K400A-F are all ROHS3 compliant, meeting environmental and hazardous substance restrictions.

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