KXG450VB101M18X40LL Equivalent & Substitute Parts

Part Overview

The KXG450VB101M18X40LL is a 100 µF, 450 V aluminum electrolytic capacitor in radial, can package manufactured by Chemi-Con. This component is designed for general-purpose applications requiring high voltage energy storage and filtering. The part operates across a temperature range of -25°C to 105°C with a rated lifetime of 10,000 hours at 105°C.

The KXG450VB101M18X40LL carries an obsolete product status. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications currently utilizing this component.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	450 V
Tolerance	±20%
Lifetime @ Temperature	10,000 Hrs @ 105°C
Operating Temperature Range	-25°C ~ 105°C
Ripple Current @ 120 Hz	800 mA
Ripple Current @ 100 kHz	1.8 A
Lead Spacing	0.295" (7.50 mm)
Diameter	0.709" (18.00 mm)
Height	1.575" (40.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
Polarization	Polar

Substitute Part Grouping Explanation

Substitution of the KXG450VB101M18X40LL is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Parameters:

Capacitance: 100 µF (exact match required)
Voltage Rating: 450 V (exact match required)
Tolerance: ±20% (exact match required)
Ripple Current @ 120 Hz: 800 mA (exact match required)
Ripple Current @ 100 kHz: 1.8 A (exact match required)
Operating Temperature Range: -25°C ~ 105°C (exact match required)
Lifetime @ 105°C: 10,000 Hrs (exact match required)

Mechanical Parameters:

Lead Spacing: 0.295" (7.50 mm) (exact match required)
Diameter: 0.709" (18.00 mm) (exact match required)
Height: 1.575" (40.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Polarization: Polar (exact match required)

Substitute parts must satisfy all listed parameters to ensure direct functional and mechanical compatibility in existing circuit designs and PCB layouts.

Parameter Comparison

Parameter	KXG450VB101M18X40LL	EKXG451ELL101MM40S	Match Status
Manufacturer	Chemi-Con	Chemi-Con	Match
Series	KXG	KXG	Match
Capacitance	100 µF	100 µF	Match
Voltage Rating	450 V	450 V	Match
Tolerance	±20%	±20%	Match
Lifetime @ 105°C	10,000 Hrs	10,000 Hrs	Match
Operating Temperature	-25°C ~ 105°C	-25°C ~ 105°C	Match
Ripple Current @ 120 Hz	800 mA	800 mA	Match
Ripple Current @ 100 kHz	1.8 A	1.8 A	Match
Lead Spacing	0.295" (7.50 mm)	0.295" (7.50 mm)	Match
Diameter	0.709" (18.00 mm)	0.709" (18.00 mm)	Match
Height	1.575" (40.00 mm)	1.575" (40.00 mm)	Match
Mounting Type	Through Hole	Through Hole	Match
Package Type	Radial, Can	Radial, Can	Match
Polarization	Polar	Polar	Match
Product Status	Obsolete	Active	Substitute is Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Substitute is Compliant

Engineering Selection Recommendations

The EKXG451ELL101MM40S is a direct parametric equivalent to the KXG450VB101M18X40LL. All electrical and mechanical specifications are identical, ensuring functional interchangeability in circuit applications.

The primary distinction between these parts is product status and regulatory compliance. The KXG450VB101M18X40LL is classified as obsolete, while the EKXG451ELL101MM40S maintains active product status. Additionally, the EKXG451ELL101MM40S is ROHS3 compliant, whereas the original part is RoHS non-compliant.

For new designs or ongoing production requiring this capacitor specification, the EKXG451ELL101MM40S is the appropriate selection. For legacy system maintenance where the original part number must be retained, the EKXG451ELL101MM40S provides identical electrical and mechanical performance as a direct replacement.

Frequently Asked Questions (FAQ)

Q: Can the EKXG451ELL101MM40S be used as a direct replacement for the KXG450VB101M18X40LL?

A: Yes. The EKXG451ELL101MM40S is a direct parametric equivalent. All electrical specifications (capacitance, voltage rating, tolerance, ripple current, temperature range, and lifetime) and mechanical specifications (lead spacing, diameter, height, mounting type, and package configuration) are identical. No circuit modifications or PCB layout changes are required.

Q: What is the difference between these two part numbers?

A: The KXG450VB101M18X40LL is obsolete, while the EKXG451ELL101MM40S is an active product. The EKXG451ELL101MM40S is ROHS3 compliant, whereas the original part is RoHS non-compliant. Functionally and mechanically, both parts are equivalent.

Q: Are there any packaging differences between these parts?

A: The KXG450VB101M18X40LL is supplied in standard packaging, while the EKXG451ELL101MM40S is supplied in bulk packaging. Both parts use identical through-hole radial can package configurations with the same physical dimensions and lead spacing.

Q: Can I use the EKXG451ELL101MM40S in a design originally specified for the KXG450VB101M18X40LL?

A: Yes. The EKXG451ELL101MM40S meets all electrical and mechanical requirements of the original specification. PCB footprints, lead spacing, and component mounting are identical, allowing direct substitution without design changes.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by exact equivalence in capacitance (100 µF), voltage rating (450 V), tolerance (±20%), ripple current specifications (800 mA @ 120 Hz and 1.8 A @ 100 kHz), operating temperature range (-25°C ~ 105°C), lifetime rating (10,000 Hrs @ 105°C), and mechanical dimensions (lead spacing, diameter, height, and package type).

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