Equivalent & Substitute Parts for KZE16VB331M8X11LL

Part Overview

The KZE16VB331M8X11LL is a 330 µF, 16 V aluminum electrolytic capacitor manufactured by Chemi-Con in the KZE series. This radial, through-hole component is rated for 3000 hours at 105°C and is designed for general-purpose applications. The part is currently listed as obsolete, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility with the original design specifications.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ Temperature	3000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Lead Spacing	0.138" (3.50mm)
Diameter	0.315" (8.00mm)
Mounting Type	Through Hole
Package Type	Radial, Can

Substitute Part Grouping Explanation

Substitution of the KZE16VB331M8X11LL is determined by strict equivalence in the following parameters:

Critical Parameters (Must Match):

Capacitance: 330 µF
Voltage Rating: 16 V
Tolerance: ±20%
Polarization: Polar
Lead Spacing: 0.138" (3.50mm)
Diameter: 0.315" (8.00mm)
Mounting Type: Through Hole
Package Type: Radial, Can

Allowable Variations:

Height: The original part measures 0.453" (11.50mm). Substitute parts with heights up to 0.512" (13.00mm) are mechanically compatible within standard PCB layout tolerances for radial through-hole components.
Lifetime @ Temperature: Substitute parts with equal or greater lifetime ratings (3000 Hrs @ 105°C or higher) maintain or exceed performance specifications.
Ripple Current: Variations in ripple current capacity do not affect substitutability when electrical ratings are equivalent.
Impedance: Variations in impedance do not affect substitutability when electrical ratings are equivalent.
Product Status: Active or Not For New Designs parts are functionally equivalent to obsolete parts.
RoHS Compliance: Both RoHS-compliant and non-compliant parts are electrically equivalent; compliance status is a procurement consideration, not a substitution criterion.

Parameter Comparison

Parameter	KZE16VB331M8X11LL	EKZE160ELL331MHB5D	UHE1C331MPD	UPW1C331MPD	EEU-FM1C331
Manufacturer	Chemi-Con	Chemi-Con	Nichicon	Nichicon	Panasonic
Capacitance	330 µF	330 µF	330 µF	330 µF	330 µF
Voltage Rating	16 V	16 V	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%	±20%	±20%
Lifetime @ 105°C	3000 Hrs	3000 Hrs	7000 Hrs	3000 Hrs	3000 Hrs
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 105°C
Lead Spacing	0.138" (3.50mm)	0.138" (3.50mm)	0.138" (3.50mm)	0.138" (3.50mm)	0.138" (3.50mm)
Diameter	0.315" (8.00mm)	0.315" (8.00mm)	0.315" (8.00mm)	0.315" (8.00mm)	0.315" (8.00mm)
Height (Max)	0.453" (11.50mm)	0.512" (13.00mm)	0.453" (11.50mm)	0.453" (11.50mm)	0.512" (13.00mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Product Status	Obsolete	Active	Not For New Designs	Not For New Designs	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: EKZE160ELL331MHB5D

The EKZE160ELL331MHB5D is the preferred substitute. Manufactured by Chemi-Con in the KZE series, it maintains identical electrical specifications and lead spacing as the original KZE16VB331M8X11LL. The part is currently active in production and ROHS3 compliant. The height increase from 11.50mm to 13.00mm is within acceptable mechanical tolerances for radial through-hole PCB layouts. This part provides direct functional equivalence with improved product availability and compliance status.

Secondary Recommendation: EEU-FM1C331

The EEU-FM1C331 manufactured by Panasonic is an active, ROHS3-compliant alternative. It meets all critical electrical parameters and maintains the same lead spacing and diameter. The height of 13.00mm is mechanically compatible. This part offers the highest ripple current capacity (665 mA @ 120 Hz and 950 mA @ 100 kHz) and lowest impedance (56 mOhms) among available substitutes, providing enhanced performance margin in ripple-current-sensitive applications.

Tertiary Recommendation: UHE1C331MPD

The UHE1C331MPD manufactured by Nichicon provides extended lifetime (7000 Hrs @ 105°C versus 3000 Hrs), offering superior reliability for long-term operation. The part is ROHS3 compliant and maintains identical height and lead spacing. Product status is listed as Not For New Designs; however, it remains electrically and mechanically equivalent. This part is suitable for applications requiring extended operational life.

Alternative Recommendation: UPW1C331MPD

The UPW1C331MPD manufactured by Nichicon extends the operating temperature range to -55°C ~ 105°C, providing enhanced low-temperature performance. The part is ROHS3 compliant and maintains identical height and lead spacing. Product status is listed as Not For New Designs. This part is suitable for applications requiring extended low-temperature operation.

Frequently Asked Questions (FAQ)

Q: Can EKZE160ELL331MHB5D replace KZE16VB331M8X11LL directly on the PCB?

A: Yes. Both parts share identical capacitance (330 µF), voltage rating (16 V), tolerance (±20%), lead spacing (0.138" / 3.50mm), and diameter (0.315" / 8.00mm). The height difference (13.00mm versus 11.50mm) is within standard mechanical tolerances for radial through-hole components and does not affect PCB compatibility.

Q: What is the significance of the lifetime rating difference between KZE16VB331M8X11LL (3000 Hrs @ 105°C) and UHE1C331MPD (7000 Hrs @ 105°C)?

A: Lifetime rating indicates the expected operational duration at maximum rated temperature. UHE1C331MPD provides extended operational life, reducing the probability of capacitor failure in long-term applications. Both parts are electrically equivalent; the choice depends on application longevity requirements.

Q: Are RoHS-compliant substitutes electrically equivalent to the non-compliant original part?

A: Yes. RoHS compliance status reflects manufacturing process and material composition, not electrical performance. EKZE160ELL331MHB5D, UHE1C331MPD, UPW1C331MPD, and EEU-FM1C331 are all electrically and mechanically equivalent to KZE16VB331M8X11LL despite differences in RoHS status.

Q: Why do substitute parts show different ripple current ratings?

A: Ripple current capacity varies by manufacturer design and internal construction. Variations in ripple current do not affect substitutability when core electrical ratings (capacitance, voltage, tolerance) are identical. Higher ripple current capacity provides additional performance margin in applications with significant AC current stress.

Q: Can I use EEU-FM1C331 in a space-constrained application where the original 11.50mm height was critical?

A: No. EEU-FM1C331 has a maximum height of 13.00mm, which exceeds the original 11.50mm. In space-constrained designs, use UHE1C331MPD or UPW1C331MPD, both of which maintain the original 11.50mm height.

Q: Is UPW1C331MPD suitable for applications operating below -40°C?

A: Yes. UPW1C331MPD extends the operating temperature range to -55°C ~ 105°C, compared to the original -40°C ~ 105°C. This part is suitable for low-temperature applications. Other substitutes maintain the original -40°C minimum operating temperature.

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