PCR1V680MCL4GS Equivalent & Substitute Parts

Part Overview

The PCR1V680MCL4GS is a 68 µF, 35 V aluminum polymer capacitor manufactured by Nichicon in the PCR series. This surface mount radial can capacitor is designed for automotive applications with AEC-Q200 qualification. The part is currently obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement.

Key Parameters

Parameter	Value
Capacitance	68 µF
Voltage Rating	35 V
Type	Aluminum Polymer
Tolerance	±20%
ESR (Equivalent Series Resistance)	31 mOhm
Lifetime @ Temperature	4000 Hrs @ 125°C
Operating Temperature Range	-55°C ~ 125°C
Ripple Current @ 100 kHz	1.5 A
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Size / Dimension	0.248" Dia (6.30 mm)
Height - Seated (Max)	0.315" (8.00 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the PCR1V680MCL4GS is determined by the following critical parameters:

Capacitance value: 68 µF (exact match required)
Voltage rating: 35 V (minimum requirement)
Package type: Radial, Can - SMD (physical and electrical compatibility)
Mounting type: Surface Mount (PCB assembly compatibility)
Tolerance: ±20% (functional equivalence)
Type: Aluminum Polymer (electrical characteristics)

The PCV1V680MCL1GS from Nichicon meets these core substitution criteria. Both parts share identical capacitance, voltage rating, tolerance, package classification, and mounting type. Variations in ESR, lifetime rating, ripple current, and physical dimensions are secondary parameters that must be evaluated within specific application requirements.

Parameter Comparison

Parameter	PCR1V680MCL4GS (Main)	PCV1V680MCL1GS (Substitute)
Manufacturer	Nichicon	Nichicon
Capacitance	68 µF	68 µF
Voltage Rating	35 V	35 V
Type	Aluminum Polymer	Aluminum Polymer
Tolerance	±20%	±20%
ESR @ 100 kHz	31 mOhm	37 mOhm
Lifetime @ Temperature	4000 Hrs @ 125°C	3000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 125°C	-55°C ~ 105°C
Ripple Current @ 100 kHz	1.5 A	1.8 A
Size / Dimension	0.248" Dia (6.30 mm)	0.394" Dia (10.00 mm)
Height - Seated (Max)	0.315" (8.00 mm)	0.315" (8.00 mm)
Surface Mount Land Size	0.260" L x 0.260" W (6.60 mm x 6.60 mm)	0.406" L x 0.406" W (10.30 mm x 10.30 mm)
Package / Case	Radial, Can - SMD	Radial, Can - SMD
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

The PCV1V680MCL1GS is an active production substitute for the obsolete PCR1V680MCL4GS. Both parts are ROHS3 compliant and manufactured by Nichicon as aluminum polymer capacitors with identical electrical specifications for capacitance, voltage rating, and tolerance.

Selection of the PCV1V680MCL1GS requires evaluation of the following differences:

The substitute part has a larger physical footprint (0.394" diameter versus 0.248" diameter) and correspondingly larger land size (10.30 mm x 10.30 mm versus 6.60 mm x 6.60 mm). PCB layout compatibility must be confirmed before implementation.

The substitute part operates to a maximum temperature of 105°C compared to 125°C for the original part, with a rated lifetime of 3000 hours at 105°C versus 4000 hours at 125°C. Applications requiring sustained operation above 105°C or extended lifetime at elevated temperatures must be reassessed.

The substitute part exhibits 37 mOhm ESR compared to 31 mOhm for the original part. Applications sensitive to impedance characteristics at high frequency must evaluate this 6 mOhm increase.

The substitute part provides 1.8 A ripple current capability at 100 kHz compared to 1.5 A for the original part, representing improved performance in this parameter.

Frequently Asked Questions (FAQ)

Q: Can the PCV1V680MCL1GS be used as a direct replacement for the PCR1V680MCL4GS?

A: Electrical substitution is valid based on matching capacitance (68 µF), voltage rating (35 V), tolerance (±20%), and package type (Radial, Can - SMD). Physical substitution requires PCB layout verification due to larger footprint dimensions.

Q: What are the critical differences between these parts?

A: The substitute part has a larger diameter (10.00 mm versus 6.30 mm) and land size, lower maximum operating temperature (105°C versus 125°C), lower lifetime rating at temperature, and slightly higher ESR (37 mOhm versus 31 mOhm).

Q: Is the PCV1V680MCL1GS suitable for automotive applications?

A: The substitute part is rated for general purpose applications and does not carry AEC-Q200 automotive qualification. The original PCR1V680MCL4GS was AEC-Q200 qualified. Applications requiring automotive-grade components must evaluate alternative qualified sources.

Q: Will the larger physical size of the substitute part affect my PCB design?

A: The substitute part requires a larger land pattern (10.30 mm x 10.30 mm versus 6.60 mm x 6.60 mm). PCB layout must be verified to confirm adequate space and clearance for the larger component footprint.

Q: How do the ESR and ripple current specifications compare?

A: The substitute part has higher ESR (37 mOhm versus 31 mOhm) but higher ripple current capability (1.8 A versus 1.5 A at 100 kHz). Applications with specific impedance or current requirements must evaluate these trade-offs.

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