SXR151M063ST

Part Overview

The SXR151M063ST is a 150 µF, 63 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component has reached obsolete product status. Finding substitute components is necessary to ensure continued design support, maintain supply chain flexibility, and access improved electrical performance characteristics where available.

Key Parameters

Parameter	Value
Capacitance	150 µF
Tolerance	±20%
Voltage - Rated	63 V
ESR @ 120Hz	710 mOhm
Lifetime @ 105°C	4000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Lead Spacing	5.00 mm (0.197")
Size / Dimension	10.00 mm Dia
Height - Seated (Max)	25.00 mm (0.984")
Mounting Type	Through Hole
Package / Case	Radial, Can

Substitute Part Grouping Explanation

Substitution logic for the SXR151M063ST is based on the following critical parameters that determine electrical and mechanical compatibility:

Core Matching Parameters:

Capacitance: 150 µF (exact match required)
Tolerance: ±20% (exact match)
Polarization: Polar (exact match)
Mounting Type: Through Hole (exact match)
Lead Spacing: 5.00 mm (exact match)
Size / Dimension: 10.00 mm diameter (primary constraint)
Package / Case: Radial, Can (exact match)

Upgraded Performance Parameters:

Voltage - Rated: Substitutes rated at 100 V (higher than original 63 V specification)
Lifetime @ 105°C: Substitutes feature extended operational lifetime

The substitute parts provide voltage overage and enhanced thermal reliability while maintaining identical mechanical footprint and electrical ratings. Lead spacing and diameter compatibility ensure direct circuit board mounting compatibility without design modification.

Parameter Comparison

Parameter	SXR151M063ST (Main)	100ZLH150MEFC10X23 (Rubycon)	UPW2A151MHD (Nichicon)
Capacitance	150 µF	150 µF	150 µF
Tolerance	±20%	±20%	±20%
Voltage - Rated	63 V	100 V	100 V
Operating Temperature Range	-40°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 105°C
Lifetime @ 105°C	4000 Hrs	10000 Hrs	7000 Hrs
Lead Spacing	5.00 mm	5.00 mm	5.00 mm
Size / Dimension	10.00 mm Dia	10.00 mm Dia	12.50 mm Dia
Height - Seated (Max)	25.00 mm	25.00 mm	25.00 mm
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Not For New Designs

Engineering Selection Recommendations

100ZLH150MEFC10X23 (Rubycon ZLH Series): This component is the optimal selection for new designs. It maintains identical physical dimensions (10.00 mm diameter, 5.00 mm lead spacing) as the SXR151M063ST, ensuring direct board-level replacement without layout modification. The 100 V voltage rating provides increased safety margin, and the 10000 hour lifetime at 105°C represents a significant reliability improvement over the original specification. ROHS3 compliance and active product status guarantee continued availability and design support.

UPW2A151MHD (Nichicon UPW Series): This component is available but designated as "Not For New Designs" by the manufacturer. While it provides equivalent capacitance and tolerance ratings with a 100 V voltage upgrade and extended operating temperature range (-55°C to 105°C), its larger diameter (12.50 mm versus 10.00 mm) requires board layout modification to accommodate. This component is suitable only for legacy system maintenance where board redesign is not feasible.

Frequently Asked Questions (FAQ)

Q: Can the SXR151M063ST be directly replaced with these substitute parts on existing circuit boards?

A: The 100ZLH150MEFC10X23 provides direct pin-to-pin replacement due to identical mechanical dimensions and lead spacing. The UPW2A151MHD has a larger 12.50 mm diameter and requires board layout evaluation before implementation.

Q: What is the significance of the higher voltage rating on the substitute parts?

A: The substitute components rated at 100 V exceed the original 63 V specification. In applications operating below 63 V, this provides additional voltage margin without electrical or functional impact. The substitutes remain compatible with circuits designed for the original 63 V component.

Q: How does the extended lifetime affect system design?

A: The substitute components feature 7000 to 10000 hour lifetimes at 105°C versus 4000 hours for the original. This represents improved thermal reliability in applications subject to continuous elevated temperature operation. Extended lifetime does not affect electrical performance in circuits designed for the original specification.

Q: Are there packaging or supply considerations for these substitutes?

A: All substitute parts are supplied in bulk packaging with confirmed inventory availability. The 100ZLH150MEFC10X23 carries active product status with ongoing manufacturer support. Selection should consider long-term design support requirements and supply chain continuity.

Q: Does capacitance tolerance remain equivalent across all parts?

A: All components, including the original and substitutes, maintain ±20% capacitance tolerance. No design compensation is required when substituting between these parts.

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