MHBS455100KJS Film Capacitor Equivalent & Substitute Parts

Part Overview

The MHBS455100KJS is a 10 µF film capacitor rated for 800V DC operation, manufactured by Nichicon in the MHBS series. This polypropylene metallized radial capacitor is designed for DC link, DC filtering, and high-frequency switching applications. The part is currently active in production with 796 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and application requirements where voltage ratings or performance characteristics may differ from the primary specification.

Key Parameters

Parameter	Value	Unit
Capacitance	10	µF
Tolerance	±10	%
Voltage Rating - DC	800	V
Dielectric Material	Polypropylene (PP), Metallized	—
ESR (Equivalent Series Resistance)	7	mOhms
Operating Temperature Range	-40°C ~ 85°C	—
Mounting Type	Through Hole	—
Package / Case	Radial	—
Size / Dimension	42.50 x 22.00	mm
Height - Seated (Max)	33.50	mm
Lead Spacing	37.50	mm
Termination	PC Pins	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the MHBS455100KJS is determined by strict equivalence in the following parameters:

Capacitance Value: 10 µF (exact match required)
Tolerance: ±10% (exact match required)
Dielectric Material: Polypropylene (PP), Metallized (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial (exact match required)
Physical Dimensions: 42.50 x 22.00 mm length and width; 33.50 mm maximum seated height; 37.50 mm lead spacing (exact match required)
Termination: PC Pins (exact match required)
Operating Temperature Range: -40°C ~ 85°C (exact match required)
RoHS Compliance: ROHS3 Compliant (exact match required)

The substitute part MHBS505100KJS meets all these criteria. The voltage rating differential (900V versus 800V) represents an uprated specification that does not disqualify substitution; the higher voltage rating provides additional design margin in applications where the 800V specification is the minimum requirement.

Parameter Comparison

Parameter	MHBS455100KJS (Main)	MHBS505100KJS (Substitute)	Match Status
Manufacturer	Nichicon	Nichicon	Identical
Series	MHBS	MHBS	Identical
Capacitance	10 µF	10 µF	Identical
Tolerance	±10%	±10%	Identical
Voltage Rating - DC	800V	900V	Uprated
Dielectric Material	Polypropylene (PP), Metallized	Polypropylene (PP), Metallized	Identical
ESR (Equivalent Series Resistance)	7 mOhms	6.8 mOhms	Equivalent
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 85°C	Identical
Mounting Type	Through Hole	Through Hole	Identical
Package / Case	Radial	Radial	Identical
Size / Dimension	42.50 x 22.00 mm	42.50 x 22.00 mm	Identical
Height - Seated (Max)	33.50 mm	33.50 mm	Identical
Lead Spacing	37.50 mm	37.50 mm	Identical
Termination	PC Pins	PC Pins	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Both the MHBS455100KJS and MHBS505100KJS are active production parts manufactured by Nichicon and carry ROHS3 compliance certification. The MHBS505100KJS substitute part is suitable for direct replacement in applications where the 800V DC specification is the design minimum, as the 900V rating provides additional voltage margin without altering the electrical or mechanical interface.

The ESR differential (7 mOhms versus 6.8 mOhms) is negligible and does not constitute a functional limitation. Both parts are rated for identical operating temperature ranges and share identical physical dimensions, lead spacing, and termination characteristics, ensuring PCB layout compatibility and mechanical fit.

Selection between these parts should be based on inventory availability, procurement lead time, and application voltage headroom requirements. The substitute part MHBS505100KJS is available in higher inventory quantity (1233 units versus 796 units).

Frequently Asked Questions (FAQ)

Q: Can the MHBS505100KJS substitute for the MHBS455100KJS in all applications?

A: Yes. The MHBS505100KJS meets all electrical and mechanical parameters required for direct substitution. The higher voltage rating (900V versus 800V) does not create incompatibility; it provides additional design margin. Physical dimensions, lead spacing, mounting type, and termination are identical.

Q: What is the significance of the voltage rating difference?

A: The MHBS505100KJS carries a 900V DC rating compared to the 800V DC rating of the MHBS455100KJS. This represents an uprated specification. In applications designed for 800V operation, the substitute part operates within its rated specification with additional voltage headroom. No circuit modification is required.

Q: Are the ESR values different between these parts?

A: The MHBS455100KJS has an ESR of 7 mOhms, while the MHBS505100KJS has an ESR of 6.8 mOhms. This 0.2 mOhm difference is negligible for practical circuit applications and does not affect substitution suitability.

Q: Do both parts have identical physical dimensions?

A: Yes. Both parts share identical length (42.50 mm), width (22.00 mm), maximum seated height (33.50 mm), and lead spacing (37.50 mm). PCB layout and mechanical clearance requirements are identical.

Q: Are both parts RoHS compliant?

A: Yes. Both the MHBS455100KJS and MHBS505100KJS are ROHS3 compliant and suitable for applications requiring RoHS certification.

Q: What applications are these capacitors designed for?

A: Both parts are specified for DC link, DC filtering, high-frequency, and switching applications. The polypropylene metallized dielectric and radial through-hole configuration support these use cases.

Q: Is there a difference in operating temperature range?

A: No. Both parts operate across the identical temperature range of -40°C to 85°C.

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