UKA1H331MPD1TD Equivalent & Substitute Parts

Part Overview

The UKA1H331MPD1TD is a 330 µF, 50 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as not for new designs, indicating it has been superseded in the product lifecycle. Finding equivalent substitute parts is necessary to maintain design flexibility, ensure supply chain continuity, and access components with active product status where applicable.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Lead Spacing	0.197" (5.00 mm)
Package / Case	Radial, Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the UKA1H331MPD1TD are qualified based on the following criteria:

Capacitance: 330 µF (exact match required)
Voltage Rating: 50 V (exact match required)
Tolerance: ±20% (exact match required)
Lifetime @ Temperature: 2000 Hrs @ 105°C (exact match required)
Operating Temperature Range: -55°C ~ 105°C (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Package / Case: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)

All substitute parts listed meet these electrical and mechanical parameters, ensuring direct compatibility in applications originally designed for the UKA1H331MPD1TD.

Parameter Comparison

Parameter	UKA1H331MPD1TD	UVY1H331MPD1TD	UVZ1H331MPD1TD	EEU-HD1H331B
Manufacturer	Nichicon	Nichicon	Nichicon	Panasonic Electronic Components
Capacitance	330 µF	330 µF	330 µF	330 µF
Voltage Rating	50 V	50 V	50 V	50 V
Tolerance	±20%	±20%	±20%	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C	2000 Hrs @ 105°C	2000 Hrs @ 105°C	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Polarization	Polar	Polar	Polar	Polar
Ripple Current @ Low Frequency	410 mA @ 120 Hz	410 mA @ 120 Hz	410 mA @ 120 Hz	410 mA @ 120 Hz
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Size / Dimension	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)
Height - Seated (Max)	0.689" (17.50 mm)	0.689" (17.50 mm)	0.689" (17.50 mm)	0.689" (17.50 mm)
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Not For New Designs	Not For New Designs	Not For New Designs	Active

Engineering Selection Recommendations

All substitute parts meet the core electrical and mechanical specifications required for direct replacement in applications using the UKA1H331MPD1TD. Selection should be based on the following factors:

Product Status Consideration: The EEU-HD1H331B (Panasonic) carries an Active product status, whereas the Nichicon alternatives (UVY1H331MPD1TD and UVZ1H331MPD1TD) are classified as not for new designs. For new design implementations, the EEU-HD1H331B is the preferred choice.

Compliance and Certifications: All substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The EEU-HD1H331B specifies Moisture Sensitivity Level 1 (Unlimited), while the Nichicon parts do not have applicable MSL ratings.

Inventory Availability: UVZ1H331MPD1TD offers the highest inventory level at 7999 pieces, followed by EEU-HD1H331B at 1704 pieces and UVY1H331MPD1TD at 1388 pieces. The original UKA1H331MPD1TD has 1373 pieces available.

Ripple Current Performance: UVY1H331MPD1TD and EEU-HD1H331B provide additional ripple current specifications at high frequency (615 mA @ 10 kHz and 615 mA @ 100 kHz respectively), offering enhanced performance data for applications with high-frequency ripple current requirements.

Frequently Asked Questions (FAQ)

Q: Can UVY1H331MPD1TD, UVZ1H331MPD1TD, and EEU-HD1H331B be used interchangeably with UKA1H331MPD1TD?

A: Yes. All substitute parts share identical electrical specifications (330 µF, 50 V, ±20% tolerance, 2000 Hrs @ 105°C) and mechanical dimensions (0.394" diameter, 0.689" height, 5.00 mm lead spacing). They are qualified as direct replacements for through-hole PCB applications.

Q: What is the difference between the Nichicon UVY and UVZ series?

A: Both UVY1H331MPD1TD and UVZ1H331MPD1TD meet identical core specifications. The primary distinction is inventory availability, with UVZ1H331MPD1TD offering significantly higher stock levels. Both are classified as not for new designs.

Q: Why is EEU-HD1H331B recommended for new designs?

A: The EEU-HD1H331B carries an Active product status, indicating ongoing manufacturer support and availability. The Nichicon alternatives are designated as not for new designs, which typically indicates end-of-life or transition phases in the product lifecycle.

Q: Are there any differences in ripple current ratings?

A: All parts specify 410 mA @ 120 Hz. Additionally, UVY1H331MPD1TD and EEU-HD1H331B provide high-frequency ripple current ratings of 615 mA @ 10 kHz and 615 mA @ 100 kHz respectively, offering extended performance data for high-frequency applications.

Q: Do all substitute parts meet RoHS compliance?

A: Yes. All substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: What is the significance of Moisture Sensitivity Level (MSL) for EEU-HD1H331B?

A: The EEU-HD1H331B specifies MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling. The Nichicon parts have not applicable MSL ratings, which is typical for through-hole radial capacitors.

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