108HSM035M Equivalent & Substitute Parts

Part Overview

The 108HSM035M is a 1000 µF, 35 V aluminum electrolytic radial capacitor manufactured by Cornell Dubilier/Illinois Capacitor (HSM series). This component is rated for 2000 hours at 125°C with an ESR of 199 mOhm @ 120Hz and is currently in obsolete status. Due to discontinued manufacturing, equivalent and upgraded substitute parts from active manufacturers are available to maintain design continuity and improve long-term supply chain reliability.

Key Parameters

Parameter	Specification
Capacitance	1000 µF
Tolerance	±20%
Voltage - Rated	35 V
ESR (Equivalent Series Resistance)	199 mOhm @ 120Hz
Lifetime @ Temperature	2000 Hrs @ 125°C
Operating Temperature Range	-40°C ~ 125°C
Lead Spacing	0.295" (7.50mm)
Size / Dimension	0.630" Dia (16.00mm)
Height - Seated (Max)	1.043" (26.50mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
Polarization	Polar

Substitute Part Grouping Explanation

Substitutes for the 108HSM035M are classified based on three critical parameters:

Direct Electrical Compatibility (Same Voltage Rating): Parts maintaining 35 V rating with identical or improved electrical characteristics are considered direct substitutes. These include the Panasonic EEU-TA1V102, Chemi-Con EGXE350ELL102ML25S, Nichicon UBT1V102MHD8, and Vishay MAL214050102E3 and MAL214060102E3.

Upgraded Voltage Rating (Higher Voltage Tolerance): Parts rated at 50 V or 63 V are upgrades providing improved safety margins while maintaining capacitance and form factor compatibility. These include B41895B6108M (50 V), MAL214691105E3 (50 V), MAL216065102E3 (50 V), and EGPD630ELL102ML25H (63 V).

Long-Life Enhancement: Parts with extended lifetime ratings (4000+ hours at 125°C or higher) offer improved reliability. B41896D7108M000 (7000 Hrs @ 125°C), EGXE350ELL102ML25S (5000 Hrs @ 125°C), MAL214050102E3 (4000 Hrs @ 125°C), MAL214060102E3 (4000 Hrs @ 125°C), MAL214691105E3 (5000 Hrs @ 125°C), and MAL216065102E3 (2000 Hrs @ 150°C with extended temperature range).

All substitutes maintain identical physical dimensions (0.630" diameter, 7.50mm lead spacing) and mounting type (through hole, radial can).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Lifetime @ Temp	Operating Temp Range	Impedance / ESR	Ripple Current @ 100 kHz	Product Status
108HSM035M	Cornell Dubilier / Illinois Capacitor	1000 µF	35 V	2000 Hrs @ 125°C	-40°C ~ 125°C	199 mOhm @ 120Hz	1.0625 A	Obsolete
EEU-TA1V102	Panasonic Electronic Components	1000 µF	35 V	2000 Hrs @ 125°C	-40°C ~ 125°C	37 mOhms	2.01 A	Active
B41895B6108M	EPCOS - TDK Electronics	1000 µF	50 V	3000 Hrs @ 125°C	-40°C ~ 125°C	26 mOhms	2.86 A	Active
B41896D7108M000	EPCOS - TDK Electronics	1000 µF	35 V	7000 Hrs @ 125°C	-55°C ~ 125°C	26 mOhms	3.718 A	Active
EGPD630ELL102ML25H	Chemi-Con	1000 µF	63 V	2000 Hrs @ 135°C	-40°C ~ 135°C	38 mOhm @ 100kHz	2.94 A	Active
EGXE350ELL102ML25S	Chemi-Con	1000 µF	35 V	5000 Hrs @ 125°C	-40°C ~ 125°C	31 mOhms	1.62 A	Active
MAL214050102E3	Vishay Beyschlag/Draloric/BC Components	1000 µF	35 V	4000 Hrs @ 125°C	-55°C ~ 125°C	34 mOhms	—	Active
MAL214060102E3	Vishay Beyschlag/Draloric/BC Components	1000 µF	35 V	4000 Hrs @ 125°C	-55°C ~ 125°C	34 mOhms	—	Active
MAL214691105E3	Vishay Beyschlag/Draloric/BC Components	1000 µF	50 V	5000 Hrs @ 125°C	-55°C ~ 125°C	31 mOhms	2.1 A	Active
MAL216065102E3	Vishay Beyschlag/Draloric/BC Components	1000 µF	50 V	2000 Hrs @ 150°C	-55°C ~ 150°C	29 mOhms	—	Active
UBT1V102MHD8	Nichicon	1000 µF	35 V	10000 Hrs @ 125°C	-40°C ~ 125°C	31 mOhms	2.01 A	Active

Engineering Selection Recommendations

For Direct Pin-for-Pin Replacement (Same Electrical Characteristics): The EEU-TA1V102 (Panasonic) serves as the primary direct substitute with identical 35 V rating and matched thermal performance. Both are rated for 2000 hours at 125°C and are immediately interchangeable in existing designs without circuit modifications.

For Improved Thermal Performance and Extended Operational Life: The UBT1V102MHD8 (Nichicon, 10000 Hrs @ 125°C), B41896D7108M000 (EPCOS, 7000 Hrs @ 125°C), and EGXE350ELL102ML25S (Chemi-Con, 5000 Hrs @ 125°C) provide extended reliability. These maintain the 35 V rating while offering lifetimes 2.5 to 5 times longer than the original part.

For Upgraded Voltage Margin (50 V or 63 V Rated): Parts such as B41895B6108M (50 V, EPCOS), MAL214691105E3 (50 V, Vishay), and EGPD630ELL102ML25H (63 V, Chemi-Con) are suitable where design margin is required or when circuit voltage fluctuations exist. These maintain identical form factor and capacitance while providing safety margin over the original 35 V rating.

For Automotive and AEC-Q200 Compliance: All EPCOS (B41895B6108M, B41896D7108M000), Chemi-Con (EGPD630ELL102ML25H, EGXE350ELL102ML25S), and Vishay (MAL214691105E3, MAL216065102E3) variants carry AEC-Q200 ratings and are suitable for automotive-grade applications.

Frequently Asked Questions (FAQ)

Q: Can I use a 50 V rated capacitor in place of the 35 V original? A: Yes. A higher voltage rating provides an additional safety margin without affecting circuit operation. The 50 V and 63 V substitutes (B41895B6108M, MAL214691105E3, MAL216065102E3, EGPD630ELL102ML25H) are electrically compatible and will function identically in a 35 V application.

Q: Does the impedance difference affect circuit performance? A: The original part has ESR of 199 mOhm @ 120Hz. Substitutes offer significantly lower impedance (26–38 mOhms), resulting in reduced ripple voltage and improved filtering performance. This is a beneficial improvement.

Q: Are all substitutes physically interchangeable? A: Yes. All listed substitutes maintain identical lead spacing (0.295" / 7.50mm) and can diameter (0.630" / 16.00mm). Heights vary minimally (1.043"–1.063" / 26.50–27.00mm) and fit standard through-hole spacing.

Q: Which substitute offers the longest operational life? A: The Nichicon UBT1V102MHD8 provides 10,000 hours at 125°C—five times the original specification—while maintaining the identical 35 V rating and form factor.

Q: What is the difference between general-purpose and automotive-rated substitutes? A: Automotive-rated parts (marked AEC-Q200) undergo additional qualification and stricter reliability testing. EPCOS, Chemi-Con automotive variants, and Vishay MAL214691105E3 and MAL216065102E3 carry this certification.

Q: Can I mix substitute brands in the same assembly? A: Yes. All listed parts meet identical electrical and mechanical specifications and are interchangeable. Mixing brands is permissible from an engineering standpoint.

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