LPW332M2AP45V-W Equivalent & Substitute Parts

Part Overview

The LPW332M2AP45V-W is a 3300 µF, 100 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in the LPW series. This component is classified as obsolete, with 832 pieces currently in stock. The part features a radial, can-style snap-in package designed for through-hole mounting in general-purpose applications.

Due to the obsolete status of the LPW332M2AP45V-W, equivalent and substitute parts from active product lines are necessary to ensure design continuity and long-term component availability. The substitute parts listed maintain the core electrical specifications while offering improved performance characteristics and extended product lifecycle support.

Key Parameters

Parameter	Value	Unit
Capacitance	3300	µF
Tolerance	±20%	—
Voltage - Rated	100	V
ESR @ 120Hz	126	mOhm
Lifetime @ 85°C	1000	Hrs
Operating Temperature Range	-40 to 85	°C
Ripple Current @ 120 Hz	3.27	A
Ripple Current @ 100 kHz	3.924	A
Lead Spacing	10.00	mm
Can Diameter	30.00	mm
Height - Seated (Max)	45.00	mm
Mounting Type	Through Hole	—
Package / Case	Radial, Can - Snap-In	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the LPW332M2AP45V-W is determined by strict adherence to the following electrical and mechanical parameters:

Core Electrical Requirements:

Capacitance: 3300 µF (fixed)
Tolerance: ±20% (fixed)
Voltage Rating: 100 V (fixed)
Polarization: Polar (fixed)

Mechanical Compatibility:

Lead Spacing: 10.00 mm (fixed for PCB hole pattern compatibility)
Package Type: Radial, Can - Snap-In (fixed for mounting interface)
Mounting Type: Through Hole (fixed)

Performance Parameters (Allowable Variation):

ESR @ 120Hz: Substitute parts range from 75 mOhm to 90 mOhm (lower is acceptable; original is 126 mOhm)
Lifetime @ Temperature: Substitute parts offer 2000 to 3000 hours at 85°C (original is 1000 hours; higher is acceptable)
Operating Temperature: Substitute parts maintain -40°C to 85°C minimum (one part extends to 105°C; higher is acceptable)
Ripple Current: Substitute parts range from 3.3 A to 4.18 A @ 120 Hz (higher is acceptable)

Dimensional Tolerance:

Can Diameter: 25.00 mm to 35.00 mm (within snap-in package family)
Height: 40.00 mm to 52.00 mm (within through-hole mounting envelope)

Substitute parts must satisfy all core electrical and mechanical requirements while demonstrating equal or superior performance in ESR, lifetime, and ripple current ratings.

Parameter Comparison

Part Number	Manufacturer	Series	Status	Capacitance (µF)	Voltage (V)	ESR @ 120Hz (mOhm)	Lifetime @ 85°C (Hrs)	Temp Range (°C)	Can Dia (mm)	Height (mm)	Ripple @ 120Hz (A)
LPW332M2AP45V-W	CDE	LPW	Obsolete	3300	100	126	1000	-40 to 85	30.00	45.00	3.27
380LX332M100K042	CDE	380LX	Active	3300	100	90	3000	-40 to 85	30.00	42.00	4.1
SLP332M100E4P3	CDE	SLP0712TE	Active	3300	100	80	3000	-40 to 105	30.00	45.00	3.3
SLPX332M100E7P3	CDE	SLPX	Active	3300	100	80	3000	-40 to 85	30.00	40.00	4.18
380LX332M100J052	CDE	380LX	Active	3300	100	90	3000	-40 to 85	25.00	52.00	4.1
SLPX332M100C9P3	CDE	SLPX	Active	3300	100	80	3000	-40 to 85	25.00	50.00	4.15
SLPX332M100H5P3	CDE	SLPX	Active	3300	100	80	3000	-40 to 85	35.00	35.00	4.07
338LBB100M2DF	CDE / Illinois Capacitor	LBB	Active	3300	100	75.36	3000	-40 to 85	30.00	42.00	4.05
ESMH101VNN332MR40W	Chemi-Con	SMH	Active	3300	100	75	2000	-40 to 85	30.00	42.00	4.05
ESMH101VSN332MR40S	Chemi-Con	SMH	Active	3300	100	75	2000	-40 to 85	30.00	42.00	4.05
ESMH101VSN332MR40W	Chemi-Con	SMH	Active	3300	100	75	2000	-40 to 85	30.00	42.00	4.05

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The following parts maintain identical can diameter (30.00 mm) and lead spacing (10.00 mm) as the original LPW332M2AP45V-W, ensuring direct PCB compatibility without layout modification:

SLPX332M100E7P3 (CDE, Active): Matches original height (45.00 mm), offers 80 mOhm ESR, 3000-hour lifetime at 85°C, and extended operating temperature to 105°C. Inventory: 274,082 units.
380LX332M100K042 (CDE, Active): Provides 90 mOhm ESR, 3000-hour lifetime at 85°C, with reduced height (42.00 mm). Inventory: 2,542 units.
SLP332M100E4P3 (CDE, Active): Matches original height (45.00 mm), delivers 80 mOhm ESR, 3000-hour lifetime at 85°C, with extended operating temperature to 105°C. Inventory: 920 units.

Secondary Substitutes (Dimensional Variation):

The following parts require PCB layout verification due to can diameter variation but maintain 10.00 mm lead spacing:

380LX332M100J052 (CDE, Active): Can diameter 25.00 mm, height 52.00 mm. Inventory: 3,998 units.
SLPX332M100C9P3 (CDE, Active): Can diameter 25.00 mm, height 50.00 mm. Inventory: 10,065 units.
SLPX332M100H5P3 (CDE, Active): Can diameter 35.00 mm, height 35.00 mm. Inventory: 676 units.

Alternative Manufacturers:

338LBB100M2DF (CDE / Illinois Capacitor, Active): Can diameter 30.00 mm, height 42.00 mm, 75.36 mOhm ESR. Inventory: 1,052 units.
ESMH101VNN332MR40W, ESMH101VSN332MR40S, ESMH101VSN332MR40W (Chemi-Con, Active): Can diameter 30.00 mm, height 42.00 mm, 75 mOhm ESR, 2000-hour lifetime at 85°C. Inventory: 864, 897, and 975 units respectively.

All substitute parts are ROHS3 compliant and carry REACH Unaffected status, matching the original part's regulatory classification.

Frequently Asked Questions (FAQ)

Q1: Can SLPX332M100E7P3 be used as a direct replacement for LPW332M2AP45V-W?

A: Yes. SLPX332M100E7P3 maintains identical capacitance (3300 µF), voltage rating (100 V), can diameter (30.00 mm), lead spacing (10.00 mm), and height (45.00 mm). It offers superior performance with 80 mOhm ESR versus the original 126 mOhm, and 3000-hour lifetime versus 1000 hours. No PCB modification is required.

Q2: What is the difference between "Direct," "Similar," and "Similar Manufacturer" substitute classifications?

A: "Direct" substitutes maintain identical electrical specifications and mechanical dimensions. "Similar" substitutes meet electrical requirements but may have dimensional variations in can diameter or height. All listed parts satisfy the core electrical and mechanical compatibility criteria for this application.

Q3: Why do some substitute parts have different can diameters?

A: Can diameter variation (25.00 mm to 35.00 mm) occurs within the snap-in package family while maintaining the 10.00 mm lead spacing. Smaller diameter parts (25.00 mm) require verification that PCB layout accommodates the reduced footprint. Larger diameter parts (35.00 mm) require confirmation of available board space. Lead spacing remains constant for all parts.

Q4: Is the extended operating temperature range of SLP332M100E4P3 (-40°C to 105°C) beneficial?

A: Extended temperature range provides design margin for applications operating at elevated ambient temperatures or with thermal stress. However, the original application specification determines whether this feature is necessary. If the original design operates within -40°C to 85°C, the extended range offers no functional advantage.

Q5: How does ESR affect capacitor selection?

A: Lower ESR (Equivalent Series Resistance) reduces heat generation and improves high-frequency performance. Substitute parts with 75 to 90 mOhm ESR are superior to the original 126 mOhm. Selection should confirm that lower ESR does not introduce unintended circuit behavior such as reduced damping in resonant circuits.

Q6: What inventory considerations apply to substitute selection?

A: SLPX332M100E7P3 offers the highest inventory availability (274,082 units), ensuring long-term supply security. Parts with lower inventory (676 to 3,998 units) may require lead time verification for production quantities.

Q7: Are Chemi-Con SMH series parts equivalent to CDE parts?

A: Chemi-Con ESMH101 series parts meet all electrical and mechanical requirements with 75 mOhm ESR and 2000-hour lifetime at 85°C. The 2000-hour lifetime is lower than CDE alternatives offering 3000 hours. Selection depends on application duty cycle and expected service life requirements.

Q8: Can parts with different heights be used interchangeably?

A: Height variation (40.00 mm to 52.00 mm) requires PCB clearance verification. Parts with reduced height (40.00 to 42.00 mm) offer design flexibility. Parts with increased height (50.00 to 52.00 mm) require confirmation that component clearance above the PCB is available. Lead spacing (10.00 mm) remains constant for all parts.

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