SS100M016ST Equivalent & Substitute Parts Reference

Part Overview

The SS100M016ST is a 10 µF, 16 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is rated for general-purpose applications with an operating temperature range of -40°C to 85°C and a lifetime specification of 1000 hours at 85°C. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Substitute parts are selected based on matching or exceeding the electrical and mechanical parameters of the original component while maintaining compatibility with through-hole radial mounting configurations.

Key Parameters

Parameter	SS100M016ST Value
Capacitance	10 µF
Voltage Rating	16 V
Tolerance	±20%
ESR @ 120 Hz	22.56 Ohm
Lifetime @ Temperature	1000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Ripple Current @ 120 Hz	29 mA
Ripple Current @ 1 kHz	31.9 mA
Lead Spacing	0.059" (1.50 mm)
Case Diameter	0.157" (4.00 mm)
Height (Seated Max)	0.276" (7.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SS100M016ST are categorized based on electrical equivalence and performance characteristics. The substitution logic is structured as follows:

Direct Equivalents (Same Voltage Rating - 16 V): Direct substitutes maintain the 16 V voltage rating, 10 µF capacitance, ±20% tolerance, and identical mechanical dimensions (0.157" diameter, 0.276" height, 0.059" lead spacing). These parts are interchangeable in applications where the original 16 V specification is required. Direct equivalents include ECE-A1CKA100, ECE-A1CKS100, and EEA-GA1C100.

Upgrade Substitutes (Higher Voltage Rating - 25 V): Upgrade substitutes increase the voltage rating to 25 V while maintaining 10 µF capacitance and ±20% tolerance. These parts are suitable for applications where higher voltage margin is beneficial. The 25 V rating provides additional safety margin in circuits originally designed for 16 V operation. Upgrade substitutes include ECE-A1EKA100, EEA-FC1E100, 25ML10MEFC4X5, and EEA-GA1E100.

Similar Parts (Higher Voltage Rating - 35 V): Similar parts increase the voltage rating to 35 V while maintaining 10 µF capacitance and ±20% tolerance. These parts are suitable for applications requiring maximum voltage margin. The part 35ML10MEFC4X7 represents this category.

Key Parameters Determining Substitution: Capacitance (10 µF), tolerance (±20%), lead spacing (0.059" / 1.50 mm), case diameter (0.157" / 4.00 mm), mounting type (through hole), and package type (radial, can) are the primary parameters that determine substitution eligibility. Voltage rating, lifetime specification, operating temperature range, and ripple current ratings are secondary parameters that define upgrade or downgrade relationships.

Parameter Comparison

Parameter	SS100M016ST	ECE-A1CKA100	ECE-A1CKS100	EEA-GA1C100	ECE-A1EKA100	EEA-FC1E100	25ML10MEFC4X5	EEA-GA1E100	35ML10MEFC4X7
Manufacturer	CDE	Panasonic	Panasonic	Panasonic	Panasonic	Panasonic	Rubycon	Panasonic	Rubycon
Capacitance	10 µF	10 µF	10 µF	10 µF	10 µF	10 µF	10 µF	10 µF	10 µF
Voltage Rating	16 V	16 V	16 V	16 V	25 V	25 V	25 V	25 V	35 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%	±20%	±20%	±20%
Lifetime @ Temp	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 105°C	1000 Hrs @ 85°C	1000 Hrs @ 105°C	3000 Hrs @ 105°C	1000 Hrs @ 105°C	5000 Hrs @ 105°C
Operating Temp Range	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-55°C ~ 105°C	-40°C ~ 85°C	-55°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 105°C
Ripple Current @ 120 Hz	29 mA	28 mA	28 mA	30 mA	28 mA	42.25 mA	18 mA	33 mA	28 mA
Lead Spacing	0.059" (1.50 mm)	0.059" (1.50 mm)	0.059" (1.50 mm)	0.059" (1.50 mm)	0.059" (1.50 mm)	0.059" (1.50 mm)	0.059" (1.50 mm)	0.059" (1.50 mm)	0.059" (1.50 mm)
Case Diameter	0.157" (4.00 mm)	0.157" (4.00 mm)	0.157" (4.00 mm)	0.157" (4.00 mm)	0.157" (4.00 mm)	0.157" (4.00 mm)	0.157" (4.00 mm)	0.157" (4.00 mm)	0.157" (4.00 mm)
Height (Seated Max)	0.276" (7.00 mm)	0.276" (7.00 mm)	0.236" (6.00 mm)	0.276" (7.00 mm)	0.276" (7.00 mm)	0.276" (7.00 mm)	0.256" (6.50 mm)	0.276" (7.00 mm)	0.315" (8.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	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	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Obsolete	Active	Obsolete

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications):

ECE-A1CKA100 and ECE-A1CKS100 (Panasonic) are direct equivalents to the SS100M016ST, maintaining 16 V voltage rating, 10 µF capacitance, and ±20% tolerance. Both parts are active products with current manufacturing status, ensuring long-term availability. ECE-A1CKA100 maintains the full 0.276" (7.00 mm) height specification, while ECE-A1CKS100 offers a reduced height of 0.236" (6.00 mm), suitable for space-constrained applications. Both parts are ROHS3 compliant.

EEA-GA1C100 (Panasonic) provides an alternative direct equivalent with enhanced operating temperature range (-55°C to 105°C) and extended lifetime specification (1000 hours at 105°C versus 85°C). This part is active and ROHS3 compliant, offering improved thermal performance for applications requiring extended temperature operation.

For Voltage Margin Enhancement (25 V Rating):

ECE-A1EKA100 (Panasonic) upgrades the voltage rating to 25 V while maintaining all other electrical and mechanical specifications. This part is active and ROHS3 compliant, providing additional voltage safety margin in circuits originally designed for 16 V operation.

EEA-FC1E100 (Panasonic) provides a 25 V upgrade with extended operating temperature range (-55°C to 105°C) and automotive-grade qualification (AEC-Q200). This part is active and suitable for automotive applications requiring higher reliability standards.

25ML10MEFC4X5 (Rubycon) offers a 25 V upgrade with extended lifetime specification (3000 hours at 105°C). This part is obsolete but available in inventory, suitable for applications requiring extended thermal performance.

EEA-GA1E100 (Panasonic) provides a 25 V upgrade with extended operating temperature range (-55°C to 105°C) and lifetime specification (1000 hours at 105°C). This part is active and ROHS3 compliant.

For Maximum Voltage Margin (35 V Rating):

35ML10MEFC4X7 (Rubycon) provides the highest voltage rating at 35 V with extended lifetime specification (5000 hours at 105°C) and operating temperature range (-40°C to 105°C). This part is obsolete but available in limited inventory, suitable for applications requiring maximum voltage margin and extended thermal performance.

Product Status Considerations:

Active products (ECE-A1CKA100, ECE-A1CKS100, EEA-GA1C100, ECE-A1EKA100, EEA-FC1E100, EEA-GA1E100) are recommended for new designs and long-term procurement continuity. Obsolete products (25ML10MEFC4X5, 35ML10MEFC4X7) are available in current inventory but may face future supply constraints.

Frequently Asked Questions (FAQ)

Q: Can ECE-A1CKA100 be used as a direct replacement for SS100M016ST?

A: Yes. ECE-A1CKA100 is a direct equivalent with identical capacitance (10 µF), voltage rating (16 V), tolerance (±20%), lead spacing (0.059" / 1.50 mm), case diameter (0.157" / 4.00 mm), height (0.276" / 7.00 mm), and mounting type (through hole radial). Both parts are ROHS3 compliant and rated for general-purpose applications.

Q: What is the difference between ECE-A1CKA100 and ECE-A1CKS100?

A: Both parts are direct equivalents with identical electrical specifications (10 µF, 16 V, ±20%). The primary difference is physical height: ECE-A1CKA100 is 0.276" (7.00 mm) tall, while ECE-A1CKS100 is 0.236" (6.00 mm) tall. ECE-A1CKS100 is suitable for space-constrained PCB layouts where reduced component height is required.

Q: Should I use a 25 V rated capacitor instead of the original 16 V specification?

A: Upgrading to 25 V rated capacitors (ECE-A1EKA100, EEA-FC1E100, 25ML10MEFC4X5, EEA-GA1E100) is permissible in applications where circuit voltage does not exceed 16 V. The higher voltage rating provides additional safety margin and does not affect circuit operation. This upgrade is particularly beneficial in applications with voltage transients or marginal power supply regulation.

Q: What is the advantage of EEA-FC1E100 over other 25 V substitutes?

A: EEA-FC1E100 is qualified to AEC-Q200 automotive standards and features extended operating temperature range (-55°C to 105°C) with lifetime specification of 1000 hours at 105°C. This part is suitable for automotive applications and environments requiring higher reliability standards. It also provides higher ripple current capability (42.25 mA @ 120 Hz, 65 mA @ 100 kHz) compared to other 25 V options.

Q: Can I use 35ML10MEFC4X7 in place of SS100M016ST?

A: Yes, 35ML10MEFC4X7 is mechanically and electrically compatible with SS100M016ST. The 35 V rating provides maximum voltage margin. However, the component height is 0.315" (8.00 mm), which exceeds the original 0.276" (7.00 mm) specification. Verify PCB clearance before substitution. This part is obsolete; consider active alternatives for new designs.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (ECE-A1CKA100, ECE-A1CKS100, EEA-GA1C100, ECE-A1EKA100, EEA-FC1E100, 25ML10MEFC4X5, EEA-GA1E100, 35ML10MEFC4X7) are ROHS3 compliant, meeting environmental and hazardous substance restrictions.

Q: Which substitute offers the best long-term availability?

A: Active products (ECE-A1CKA100, ECE-A1CKS100, EEA-GA1C100, ECE-A1EKA100, EEA-FC1E100, EEA-GA1E100) offer the best long-term availability. Among these, Panasonic parts (ECE-A1CKA100, ECE-A1CKS100, EEA-GA1C100, ECE-A1EKA100, EEA-FC1E100, EEA-GA1E100) represent major manufacturers with established supply chains.

Q: What is the ripple current rating, and why does it matter?

A: Ripple current rating specifies the maximum AC current the capacitor can handle at specified frequencies (120 Hz for low frequency, 1 kHz or higher for high frequency). Higher ripple current capability indicates better performance in high-frequency switching applications. EEA-FC1E100 provides the highest ripple current (42.25 mA @ 120 Hz, 65 mA @ 100 kHz), suitable for demanding applications.

Q: Can I substitute based on physical dimensions alone?

A: No. Physical dimensions (lead spacing, case diameter, height) must match, but electrical parameters (capacitance, voltage rating, tolerance) are equally critical. All substitute parts maintain identical lead spacing (0.059" / 1.50 mm) and case diameter (0.157" / 4.00 mm), with minor height variations noted in the parameter comparison table.

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