SH102M050ST Equivalent & Substitute Parts

Part Overview

The SH102M050ST is a 1000 µF, 50 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, indicating that it is no longer in active production. The SH series has been superseded by newer product lines with improved performance characteristics and extended operational lifetimes. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and leverage performance enhancements offered by active product lines from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Capacitance	1000	µF
Voltage - Rated	50	V
Tolerance	±20%	-
ESR (Equivalent Series Resistance)	160	mOhm @ 120Hz
Lifetime @ Temperature	2000	Hrs @ 105°C
Operating Temperature Range	-40°C to 105°C	-
Ripple Current @ 120 Hz	1.11	A
Ripple Current @ 10 kHz	1.554	A
Lead Spacing	7.50	mm
Diameter	16.00	mm
Height - Seated (Max)	25.00	mm
Mounting Type	Through Hole	-
Package / Case	Radial, Can	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the SH102M050ST is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Parameters:

Capacitance: 1000 µF (exact match required)
Voltage Rating: 50 V or higher (equal or greater voltage rating is acceptable)
Tolerance: ±20% (standard tolerance match)
Mounting Type: Through Hole (radial lead configuration)
Package / Case: Radial, Can (physical form factor)
Lead Spacing: 7.50 mm (PCB footprint compatibility)
Diameter: 16.00 mm (mechanical fit)
Height: 25.00 mm maximum (board clearance constraint)

Performance Parameters (Secondary Consideration):

ESR: 160 mOhm or lower (lower ESR indicates improved performance)
Lifetime @ 105°C: 2000 hours or greater (extended operational life is acceptable)
Ripple Current Capability: Equal to or greater than specified values
Operating Temperature Range: Must encompass -40°C to 105°C minimum

Substitute parts are grouped into two categories: direct equivalents (matching all mandatory parameters with identical voltage rating) and upgrades (matching all mandatory parameters with equal or superior performance characteristics).

Parameter Comparison

Parameter	SH102M050ST (Main)	SEK102M050ST	EKZE500ELL102ML25S	EEU-FC1H102	EEU-FS1J102	UHE1H102MHD6	UPW1H102MHD
Manufacturer	CDE	CDE	Chemi-Con	Panasonic	Panasonic	Nichicon	Nichicon
Capacitance (µF)	1000	1000	1000	1000	1000	1000	1000
Voltage Rating (V)	50	50	50	50	63	50	50
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%	±20%
ESR (mOhm)	160 @ 120Hz	160	-	-	-	-	-
Lifetime @ 105°C (Hrs)	2000	2000	5000	5000	10000	10000	8000
Operating Temp Range (°C)	-40 to 105	-55 to 105	-40 to 105	-55 to 105	-40 to 105	-40 to 105	-55 to 105
Ripple Current @ 120 Hz (A)	1.11	-	1.806	1.676	2.241	1.916	1.676
Lead Spacing (mm)	7.50	7.50	7.50	7.50	7.50	7.50	7.50
Diameter (mm)	16.00	16.00	16.00	16.00	16.00	16.00	16.00
Height - Seated Max (mm)	25.00	25.00	26.50	25.00	25.50	25.00	25.00
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Product Status	Obsolete	Active	Active	Active	Active	Not For New Designs	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (Same Manufacturer, Active Status):

SEK102M050ST is the recommended direct equivalent from Cornell Dubilier Electronics. This part maintains identical electrical specifications (1000 µF, 50 V, ±20% tolerance, 160 mOhm ESR, 2000 Hrs @ 105°C) while offering an extended operating temperature range (-55°C to 105°C versus -40°C to 105°C). The SEK102M050ST is in active production status, ensuring long-term availability and supply chain stability. This part is the primary choice for direct replacement in existing designs.

Upgrade Options (Enhanced Performance, Active Status):

EKZE500ELL102ML25S (Chemi-Con) provides a 2.5x lifetime extension (5000 hours versus 2000 hours at 105°C) with improved ripple current capability (1.806 A @ 120 Hz). Physical dimensions are compatible with a maximum height of 26.50 mm, which accommodates most PCB layouts designed for 25.00 mm components. This part is in active production.

EEU-FC1H102 (Panasonic) offers 5000-hour lifetime at 105°C with extended operating temperature range (-55°C to 105°C). This part carries AEC-Q200 automotive qualification and is suitable for applications requiring automotive-grade reliability. It is in active production status.

EEU-FS1J102 (Panasonic) provides the highest performance upgrade with 10000-hour lifetime at 105°C and 63 V voltage rating. The elevated voltage rating provides additional design margin. This part is in active production status.

Legacy Options (Not Recommended for New Designs):

UHE1H102MHD6 and UPW1H102MHD are classified as "Not For New Designs" by Nichicon. While these parts offer extended lifetimes (10000 and 8000 hours respectively), their product status restricts their use to legacy system maintenance and repair applications only. New design implementations should not incorporate these parts.

Selection Criteria Summary:

For new designs, select from active-status parts: SEK102M050ST, EKZE500ELL102ML25S, EEU-FC1H102, or EEU-FS1J102. For legacy system support, SEK102M050ST provides the most direct replacement path. For applications requiring extended operational life, EKZE500ELL102ML25S or EEU-FS1J102 are preferred. For automotive applications, EEU-FC1H102 is specified.

Frequently Asked Questions (FAQ)

Q: Can I use a 63 V rated capacitor (EEU-FS1J102) in place of the 50 V SH102M050ST?

A: Yes. A higher voltage rating is electrically compatible and provides additional design margin. The 63 V rated EEU-FS1J102 will function correctly in circuits designed for 50 V operation. The capacitance (1000 µF) and tolerance (±20%) remain identical.

Q: What is the significance of the "Not For New Designs" status on UHE1H102MHD6 and UPW1H102MHD?

A: This designation indicates that the manufacturer (Nichicon) has discontinued active development and marketing of these product lines. While existing inventory may be available, these parts should not be specified in new product designs. They are suitable only for maintenance and repair of existing systems already using these components.

Q: Are all substitute parts physically compatible with the original SH102M050ST PCB footprint?

A: All substitute parts share identical lead spacing (7.50 mm) and diameter (16.00 mm), ensuring PCB footprint compatibility. However, height varies slightly: most substitutes are 25.00 mm (matching the original), while EKZE500ELL102ML25S reaches 26.50 mm and EEU-FS1J102 reaches 25.50 mm. Verify board clearance for components exceeding 25.00 mm height.

Q: What does ESR (Equivalent Series Resistance) indicate, and why does it matter for substitution?

A: ESR represents the internal resistance of the capacitor at a specified frequency (typically 120 Hz). Lower ESR indicates better high-frequency performance and reduced heat generation under ripple current conditions. The SH102M050ST specifies 160 mOhm ESR @ 120 Hz. Substitute parts with lower ESR values (such as EKZE500ELL102ML25S at 21 mOhms impedance) provide improved performance characteristics.

Q: Why do some substitute parts have longer lifetimes (5000, 8000, or 10000 hours) compared to the original 2000 hours?

A: Lifetime ratings reflect the expected operational duration at maximum rated temperature (105°C) before capacitance degradation exceeds specified tolerance limits. Newer product lines incorporate improved dielectric materials and construction techniques, extending operational life. Extended lifetime does not change electrical compatibility but indicates superior long-term reliability.

Q: Is RoHS3 compliance maintained across all substitute parts?

A: Yes. All substitute parts listed are RoHS3 compliant, matching the compliance status of the original SH102M050ST. This ensures environmental and regulatory compatibility for applications subject to RoHS directives.

Q: Can I substitute the SH102M050ST with a part having different lead spacing or package type?

A: No. All substitute parts in this reference maintain identical lead spacing (7.50 mm), diameter (16.00 mm), and package type (radial, can, through-hole). These parameters are mandatory for PCB compatibility and cannot be altered without redesign.

Q: What is the difference between ripple current at 120 Hz and 10 kHz?

A: Ripple current ratings specify the maximum AC current the capacitor can withstand at different frequencies without exceeding temperature limits. Low-frequency ripple (120 Hz) typically represents power supply applications, while high-frequency ripple (10 kHz or higher) represents switching power supplies. The SH102M050ST specifies 1.11 A @ 120 Hz and 1.554 A @ 10 kHz. Substitute parts with higher ripple current ratings provide greater design margin.

Q: Which substitute part should I select for a cost-optimized replacement?

A: SEK102M050ST offers the most direct cost-equivalent replacement, maintaining identical electrical specifications while providing extended temperature range and active production status. For performance-optimized applications where cost is secondary, EKZE500ELL102ML25S or EEU-FS1J102 provide extended lifetime and improved ripple current handling.

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