UPM1J331MHD Equivalent & Substitute Parts

Part Overview

The UPM1J331MHD is a 330 µF, 63 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 5000 hours at 105°C and carries AEC-Q200 automotive qualification. The part is designated as "Not For New Designs," indicating it has been superseded in Nichicon's product line. Identifying equivalent and substitute parts is necessary for ongoing support of legacy systems, design flexibility, and supply chain continuity.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	63 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.492" (12.50mm)
Height	1.063" (27.00mm)
Ripple Current @ 120 Hz	1.09 A
Ripple Current @ 10 kHz	1.42 A
Impedance	49 mOhms
RoHS Status	ROHS3 Compliant
Ratings	AEC-Q200
Applications	Automotive

Substitute Part Grouping Explanation

Substitution of the UPM1J331MHD is determined by strict equivalence in the following parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 63 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)
Polarization: Polar (exact match required)
Operating Temperature Range: -55°C ~ 105°C (minimum requirement)
Lifetime @ Temperature: 5000 Hrs @ 105°C or greater (minimum requirement)
Lead Spacing & Physical Dimensions: Must accommodate PCB layout constraints

Substitute parts are categorized as follows:

Direct Manufacturer Equivalents (Nichicon UPJ Series): Parts with identical electrical specifications but different series designation, offering general-purpose alternatives with comparable performance.

Similar Manufacturer Parts (Nichicon UPM/UPS/UPW Series): Parts with matching core specifications but variations in lifetime ratings, ripple current handling, or impedance characteristics.

Parametric Equivalents (Nichicon UPM1J331MHD1AA): Active production alternative with identical electrical parameters and automotive qualification.

Cross-Manufacturer Alternatives (Vishay, Panasonic): Parts from different manufacturers meeting identical electrical specifications with enhanced temperature performance or automotive certification.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp	Lead Spacing	Case Dia	Height	Impedance	Ripple @ 120 Hz	AEC-Q200	Status
UPM1J331MHD	Nichicon	330 µF	63 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.492" (12.50mm)	1.063" (27.00mm)	49 mOhms	1.09 A	Yes	Not For New Designs
UPJ1J331MHD	Nichicon	330 µF	63 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.492" (12.50mm)	1.043" (26.50mm)	72 mOhms	1.09 A	No	Not For New Designs
UPJ1J331MHD6	Nichicon	330 µF	63 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.295" (7.50mm)	0.709" (18.00mm)	0.650" (16.50mm)	78 mOhms	1.08 A	No	Not For New Designs
UPM1J331MHD6	Nichicon	330 µF	63 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.295" (7.50mm)	0.709" (18.00mm)	0.669" (17.00mm)	50 mOhms	1.08 A	Yes	Not For New Designs
UPS1J331MHD	Nichicon	330 µF	63 V	±20%	3000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.492" (12.50mm)	0.866" (22.00mm)	120 mOhms	695.8 mA	No	Not For New Designs
UPW1J331MHD	Nichicon	330 µF	63 V	±20%	7000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.492" (12.50mm)	0.787" (20.00mm)	85 mOhms	838.5 mA	No	Not For New Designs
UPM1J331MHD1AA	Nichicon	330 µF	63 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.492" (12.50mm)	1.063" (27.00mm)	98 mOhms	1.09 A	Yes	Active
MAL214658331E3	Vishay	330 µF	63 V	±20%	5000 Hrs @ 125°C	-55°C ~ 125°C	0.197" (5.00mm)	0.492" (12.50mm)	1.063" (27.00mm)	76 mOhms	—	Yes	Active
MAL214668331E3	Vishay	330 µF	63 V	±20%	5000 Hrs @ 125°C	-55°C ~ 125°C	0.197" (5.00mm)	0.492" (12.50mm)	1.063" (27.00mm)	76 mOhms	650 mA	Yes	Active
EEU-FC1J331	Panasonic	330 µF	63 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.492" (12.50mm)	0.787" (20.00mm)	85 mOhms	835.3 mA	Yes	Active
EEU-FC1J331B	Panasonic	330 µF	63 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.492" (12.50mm)	0.866" (22.00mm)	85 mOhms	835.3 mA	Yes	Active

Engineering Selection Recommendations

For Automotive Applications with AEC-Q200 Requirement:

UPM1J331MHD1AA (Nichicon, Active) is the direct parametric equivalent with current production status and identical AEC-Q200 automotive qualification. This part maintains the same electrical specifications, physical footprint, and thermal performance as the original UPM1J331MHD.

MAL214658331E3 and MAL214668331E3 (Vishay, Active) provide AEC-Q200 qualified alternatives with enhanced thermal performance (5000 Hrs @ 125°C versus 105°C), suitable for applications requiring extended temperature margin.

For General-Purpose Applications:

UPJ1J331MHD (Nichicon) offers identical electrical specifications with slightly different impedance and height characteristics. Lead spacing remains 0.197" (5.00mm), maintaining PCB compatibility.

EEU-FC1J331 and EEU-FC1J331B (Panasonic, Active) provide active production alternatives with AEC-Q200 qualification, matching electrical specifications with compact height profiles (0.787" and 0.866" respectively).

For Extended Lifetime Requirements:

UPW1J331MHD (Nichicon) extends operational lifetime to 7000 hours at 105°C while maintaining identical lead spacing and case diameter, suitable for applications requiring enhanced reliability margins.

For Larger Footprint Tolerance:

UPJ1J331MHD6 and UPM1J331MHD6 accommodate 0.295" (7.50mm) lead spacing with larger case diameter (0.709" / 18.00mm), applicable when PCB layout permits increased component spacing.

Avoid for New Designs:

UPS1J331MHD carries reduced lifetime rating (3000 Hrs @ 105°C) and higher impedance (120 mOhms), making it unsuitable as a primary substitute for the UPM1J331MHD in performance-critical applications.

Frequently Asked Questions (FAQ)

Q: Can UPM1J331MHD1AA directly replace UPM1J331MHD in automotive applications?

A: Yes. UPM1J331MHD1AA is a parametric equivalent with identical capacitance (330 µF), voltage rating (63 V), tolerance (±20%), lifetime (5000 Hrs @ 105°C), and AEC-Q200 automotive qualification. Physical dimensions and lead spacing are identical. The primary difference is active production status versus legacy status.

Q: What is the difference between UPJ1J331MHD and UPM1J331MHD?

A: Both parts share identical electrical specifications (330 µF, 63 V, ±20%, 5000 Hrs @ 105°C). The UPJ series lacks AEC-Q200 automotive qualification and is designated for general-purpose applications. Physical height differs slightly (1.043" versus 1.063"), and impedance is higher (72 mOhms versus 49 mOhms). Lead spacing and case diameter remain identical.

Q: Are Panasonic EEU-FC1J331 and EEU-FC1J331B interchangeable with UPM1J331MHD?

A: Electrically, yes. Both Panasonic parts match the core specifications (330 µF, 63 V, ±20%, 5000 Hrs @ 105°C) and carry AEC-Q200 qualification. The primary difference is physical height: EEU-FC1J331 is 0.787" (20.00mm) and EEU-FC1J331B is 0.866" (22.00mm), compared to UPM1J331MHD at 1.063" (27.00mm). PCB layout must accommodate the reduced height.

Q: Why does UPS1J331MHD have lower ripple current ratings?

A: UPS1J331MHD carries a reduced lifetime rating of 3000 hours at 105°C compared to 5000 hours for UPM1J331MHD. This results in higher impedance (120 mOhms) and lower ripple current capacity (695.8 mA @ 120 Hz). This part is suitable only for applications with relaxed reliability requirements.

Q: What is the advantage of Vishay MAL214658331E3 over UPM1J331MHD?

A: MAL214658331E3 maintains identical electrical specifications and physical dimensions but extends thermal performance to 5000 hours at 125°C (versus 105°C for UPM1J331MHD). This provides a 20°C temperature margin, beneficial for applications operating in elevated ambient conditions. Both carry AEC-Q200 qualification.

Q: Can I use UPM1J331MHD6 as a substitute if my PCB has 0.295" lead spacing?

A: Yes, if your PCB layout accommodates the larger footprint. UPM1J331MHD6 maintains identical electrical specifications (330 µF, 63 V, ±20%, 5000 Hrs @ 105°C) and AEC-Q200 qualification. Case diameter increases to 0.709" (18.00mm) and height to 0.669" (17.00mm). Verify PCB clearance before substitution.

Q: Is UPW1J331MHD suitable for applications requiring maximum reliability?

A: UPW1J331MHD extends lifetime to 7000 hours at 105°C, providing enhanced reliability margin. However, it lacks AEC-Q200 automotive qualification and is designated for general-purpose applications. For automotive use, UPM1J331MHD1AA or Vishay MAL series parts are preferred.

Q: What RoHS and REACH compliance status applies to all substitutes?

A: All listed substitute parts are ROHS3 compliant. REACH status varies: Nichicon UPM series parts are REACH Affected; Nichicon UPJ, UPS, and UPW series are REACH Unaffected; Vishay and Panasonic parts are REACH Unaffected. Verify compliance requirements for your specific application.

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