SH101M025ST Equivalent & Substitute Parts

Part Overview

The SH101M025ST is a 100 µF, 25 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 production and maintenance applications. The part operates across a temperature range of -40°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.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	25 V
Tolerance	±20%
ESR @ 120 Hz	2.12 Ohm
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Ripple Current @ 120 Hz	145 mA
Ripple Current @ 10 kHz	174 mA
Lead Spacing	0.098" (2.50 mm)
Case Diameter	0.236" (6.00 mm)
Height (Seated Max)	0.433" (11.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SH101M025ST is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Capacitance: 100 µF (exact match required)
Voltage Rating: 25 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.098" (2.50 mm) (exact match required)

Compatible Parameter Ranges:

Operating Temperature Range: Must encompass or equal -40°C to 105°C minimum
Lifetime @ 105°C: Must meet or exceed 2000 hours
ESR @ 120 Hz: Must not exceed 2.12 Ohm (lower values acceptable)
Ripple Current @ 120 Hz: Must meet or exceed 145 mA
Ripple Current @ 10 kHz: Must meet or exceed 174 mA
Case Diameter: Tolerance of ±0.012" (0.30 mm) acceptable for mechanical fit
Height (Seated Max): Tolerance of ±0.079" (2.00 mm) acceptable for board clearance

Substitute parts are classified as either Upgrade (enhanced performance or active product status) or Direct (equivalent performance, may be obsolete).

Parameter Comparison

Parameter	SH101M025ST (Main)	SEK101M025ST (Upgrade)	517D107M025AA6AE3 (Direct)	EKZE250ELL101MF11D (Direct)	UHE1E101MED (Direct)	EEU-EB1E101S (Upgrade)
Manufacturer	Cornell Dubilier Electronics	Mallory	Vishay Sprague	Chemi-Con	Nichicon	Panasonic Electronic Components
Capacitance	100 µF	100 µF	100 µF	100 µF	100 µF	100 µF
Voltage Rating	25 V	25 V	25 V	25 V	25 V	25 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Operating Temperature Range	-40°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Lifetime @ 105°C	2000 Hrs	2000 Hrs	2000 Hrs	2000 Hrs	5000 Hrs	5000 Hrs
ESR @ 120 Hz	2.12 Ohm	2.12 Ohm	Not Specified	Not Specified	Not Specified	Not Specified
Ripple Current @ 120 Hz	145 mA	145 mA	145 mA	162 mA	238 mA	95 mA
Ripple Current @ 10 kHz	174 mA	174 mA	217.5 mA	405 mA @ 100 kHz	340 mA @ 100 kHz	123.5 mA @ 100 kHz
Lead Spacing	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)
Case Diameter	0.236" (6.00 mm)	0.248" (6.30 mm)	0.248" (6.30 mm)	0.248" (6.30 mm)	0.248" (6.30 mm)	0.248" (6.30 mm)
Height (Seated Max)	0.433" (11.00 mm)	0.512" (13.00 mm)	0.433" (11.00 mm)	0.433" (11.00 mm)	0.433" (11.00 mm)	0.480" (12.20 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Polarization	Polar	Polar	Polar	Polar	Polar	Polar
Product Status	Obsolete	Active	Obsolete	Active	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Upgrade Parts (Active Product Status):

SEK101M025ST (Mallory) is an active upgrade substitute with identical electrical specifications to the main part. This part maintains the same ESR of 2.12 Ohm @ 120 Hz and lifetime rating of 2000 hours @ 105°C. The operating temperature range extends to -55°C, providing enhanced low-temperature performance. Height increases to 0.512" (13.00 mm), requiring verification of board clearance. This part is ROHS3 compliant with unlimited moisture sensitivity rating.

EKZE250ELL101MF11D (Chemi-Con) is an active direct substitute with enhanced ripple current handling at high frequencies (405 mA @ 100 kHz). Lifetime rating matches the main part at 2000 hours @ 105°C. Operating temperature range is -40°C to 105°C. This part is ROHS3 compliant and suitable for applications requiring higher ripple current capacity.

EEU-EB1E101S (Panasonic Electronic Components) is an active upgrade substitute with extended lifetime of 5000 hours @ 105°C, providing superior reliability for long-term applications. Operating temperature range is -40°C to 105°C. Height is 0.480" (12.20 mm). Ripple current at 120 Hz is 95 mA, which is below the main part specification of 145 mA; this part is suitable only for applications with lower ripple current requirements. ROHS3 compliant.

Direct Equivalent Parts (Obsolete Status):

517D107M025AA6AE3 (Vishay Sprague) is an obsolete direct substitute with identical mechanical dimensions and lead spacing. Ripple current at 10 kHz is 217.5 mA, exceeding the main part specification. Operating temperature range extends to -55°C. ROHS3 compliant.

UHE1E101MED (Nichicon) is an obsolete direct substitute with extended lifetime of 5000 hours @ 105°C. Ripple current performance exceeds specifications at both 120 Hz (238 mA) and 100 kHz (340 mA). Operating temperature range is -40°C to 105°C. ROHS3 compliant. This part offers superior performance characteristics for demanding applications.

Selection Criteria:

For new designs and long-term production, select from active parts: SEK101M025ST, EKZE250ELL101MF11D, or EEU-EB1E101S. Verify board clearance for SEK101M025ST due to increased height. For applications requiring lower ripple current, avoid EEU-EB1E101S. For applications requiring extended lifetime and enhanced ripple current handling, select UHE1E101MED or EKZE250ELL101MF11D, noting that UHE1E101MED is obsolete.

Frequently Asked Questions (FAQ)

Q: Can SEK101M025ST be used as a direct replacement for SH101M025ST?

A: SEK101M025ST is electrically equivalent with identical capacitance, voltage rating, tolerance, and ESR specifications. However, the height increases from 0.433" to 0.512" (11.00 mm to 13.00 mm). Board clearance must be verified before substitution. All other mechanical and electrical parameters are compatible.

Q: What is the difference between "Upgrade" and "Direct" substitute classifications?

A: Upgrade parts have active product status and may include enhanced performance characteristics such as extended lifetime or improved ripple current handling. Direct substitutes provide equivalent performance to the main part and may be obsolete. Both classifications indicate electrical and mechanical compatibility.

Q: Why does EEU-EB1E101S show lower ripple current at 120 Hz compared to the main part?

A: EEU-EB1E101S is rated for 95 mA @ 120 Hz, below the main part specification of 145 mA. This part is suitable only for applications with ripple current requirements at or below 95 mA @ 120 Hz. For applications requiring the full 145 mA ripple current capacity, select alternative substitutes.

Q: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed are ROHS3 compliant, matching the compliance status of the main part SH101M025ST.

Q: What is the significance of the 5000-hour lifetime rating in UHE1E101MED and EEU-EB1E101S?

A: These parts are rated for 5000 hours @ 105°C, compared to 2000 hours for the main part and most other substitutes. Extended lifetime indicates longer operational reliability in high-temperature environments and is suitable for applications requiring extended service life.

Q: Can the case diameter increase from 0.236" to 0.248" affect board layout?

A: The case diameter increase of 0.012" (0.30 mm) is within acceptable mechanical tolerance for radial can packages. However, board layout with tight component spacing should be reviewed to ensure adequate clearance around the capacitor body.

Q: Which substitute part offers the best overall performance?

A: Performance selection depends on application requirements. UHE1E101MED and EKZE250ELL101MF11D offer the highest ripple current capacity. EEU-EB1E101S and UHE1E101MED provide extended 5000-hour lifetime. For active product status with standard performance, SEK101M025ST is recommended.

Q: Is operating temperature range expansion from -40°C to -55°C significant?

A: Operating temperature range expansion to -55°C provides enhanced performance in cold environments. For applications operating only within -40°C to 105°C, this expansion is not required. For applications requiring operation below -40°C, select SEK101M025ST or 517D107M025AA6AE3.

Q: What packaging formats are available for these substitute parts?

A: All substitute parts are supplied in Through Hole radial can packages with 0.098" (2.50 mm) lead spacing. Packaging formats vary by supplier: SEK101M025ST is supplied in Box format, while 517D107M025AA6AE3, EKZE250ELL101MF11D, UHE1E101MED, and EEU-EB1E101S are supplied in Bulk format.

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