SH010M250ST Equivalent & Substitute Parts Reference

Part Overview

The SH010M250ST is a 1 µF, 250 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part operates across a temperature range of -25°C to 105°C with a rated lifetime of 2000 hours at 105°C, suitable for general-purpose applications requiring stable capacitance and low equivalent series resistance.

Substiute Parts

SH010M250ST

Cornell Dubilier Electronics (CDE)In Stock: 772SH010M250ST Datasheet

Current PartRFQ

SEK010M250ST

Cornell Dubilier Electronics (CDE)In Stock: 748SEK010M250ST Datasheet

UpgradeRFQ

517D105M250AA6AE3

Vishay SpragueIn Stock: 1017517D105M250AA6AE3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SH010M250ST are qualified based on the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Capacitance: 1 µF (exact match required)
• Voltage Rating: 250 V (exact match required)
• Tolerance: ±20% (exact match required)
• Lifetime: 2000 Hrs @ 105°C (exact match required)
• Ripple Current: 17 mA @ 120 Hz and 27.2 mA @ 10 kHz (exact match required)

Mechanical Compatibility Criteria:

• Lead Spacing: 0.098" (2.50mm) (exact match required)
• Mounting Type: Through Hole (exact match required)
• Package / Case: Radial, Can (exact match required)
• Height - Seated (Max): 0.433" (11.00mm) (exact match required)

Compliance Criteria:

• RoHS3 Compliance (required)
• ECCN: EAR99 (required)
• HTSUS: 8532.22.0020 (required)

Substitutes must satisfy all electrical and mechanical parameters to ensure direct interchangeability without circuit redesign or PCB layout modification.

Parameter Comparison

Engineering Selection Recommendations

SEK010M250ST (Recommended Primary Substitute)

The SEK010M250ST is the preferred substitute for the obsolete SH010M250ST. This part is manufactured by the same supplier (Cornell Dubilier Electronics) and maintains active product status, ensuring long-term availability and supply chain stability. The SEK series meets all electrical specifications with ESR of 199.04 Ohm, which is functionally equivalent to the original 198.94 Ohm specification. The extended operating temperature range (-40°C to 105°C) provides additional thermal margin compared to the original part (-25°C to 105°C). Both parts carry ROHS3 compliance and identical ECCN/HTSUS classifications. The case diameter increases from 0.236" to 0.248", which remains within typical PCB layout tolerances for radial through-hole components with 0.098" lead spacing.

517D105M250AA6AE3 (Alternative Substitute)

The 517D105M250AA6AE3 from Vishay Sprague is a direct electrical and mechanical equivalent. This part maintains identical capacitance, voltage rating, tolerance, lifetime, and ripple current specifications. The case diameter matches the SEK010M250ST at 0.248" (6.30mm). However, this part carries obsolete product status, which may limit future procurement availability. Selection of this part is appropriate only when SEK010M250ST availability is constrained or when existing inventory must be utilized.

Compliance Verification

All substitute parts maintain ROHS3 compliance and EAR99 ECCN classification, ensuring regulatory compatibility with the original design. HTSUS tariff classification remains consistent across all parts (8532.22.0020).

Frequently Asked Questions (FAQ)

Q: Can SEK010M250ST be used as a direct replacement for SH010M250ST without PCB modification?

A: The SEK010M250ST is electrically equivalent and maintains the same lead spacing (0.098" / 2.50mm) and height (0.433" / 11.00mm). The case diameter increases from 0.236" to 0.248", which is a 0.012" (0.30mm) increase. This dimensional change is within standard PCB layout tolerances for radial through-hole components and does not require PCB redesign. Verify that the component footprint accommodates the larger diameter before implementation.

Q: What is the difference in ESR between the main part and SEK010M250ST?

A: The SH010M250ST specifies 198.94 Ohm ESR @ 120Hz, while the SEK010M250ST specifies 199.04 Ohm ESR. The difference of 0.10 Ohm is negligible for general-purpose applications and falls within normal manufacturing tolerances for aluminum electrolytic capacitors.

Q: Why does the SEK010M250ST have a wider operating temperature range?

A: The SEK010M250ST operates from -40°C to 105°C, compared to the SH010M250ST range of -25°C to 105°C. This extended lower temperature limit reflects improvements in the SEK series design and manufacturing process. The wider range provides additional design margin for applications exposed to lower ambient temperatures.

Q: Is the 517D105M250AA6AE3 a suitable alternative if SEK010M250ST is unavailable?

A: The 517D105M250AA6AE3 meets all electrical and mechanical specifications and is a valid substitute. However, this part carries obsolete product status, which may result in limited availability and higher procurement costs. The SEK010M250ST is the preferred choice due to its active product status and assured long-term supply.

Q: Are there any compliance or regulatory differences between the three parts?

A: All three parts maintain identical compliance certifications: ROHS3 compliance, EAR99 ECCN classification, and 8532.22.0020 HTSUS tariff code. No regulatory differences exist between the parts.

Q: What is the significance of the case diameter increase from 0.236" to 0.248"?

A: The case diameter increase of 0.012" (0.30mm) is a minor dimensional change typical when transitioning between component series. This change does not affect electrical performance or lead spacing. Standard PCB design practices for radial through-hole components accommodate this variation. Verify component placement clearance in the specific PCB layout before production implementation.

Q: Can ripple current specifications be assumed for SEK010M250ST if not explicitly provided?

A: No. The SEK010M250ST datasheet does not specify ripple current values. When ripple current performance is critical to circuit design, the SH010M250ST or 517D105M250AA6AE3 specifications (17 mA @ 120 Hz and 27.2 mA @ 10 kHz) should be used as reference values. Obtain detailed SEK010M250ST ripple current data from the manufacturer if this parameter is essential for application validation.