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337HSM025M Equivalent & Substitute Parts Reference
Part Overview
The 337HSM025M is a 330 µF, 25 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as obsolete, with 837 pieces currently in stock. The HSM series capacitor is rated for general-purpose applications with a 2000-hour lifetime at 125°C and an operating temperature range of -40°C to 125°C.
Due to the obsolete status of the 337HSM025M, equivalent and substitute parts from active manufacturers are necessary for ongoing production support, design continuity, and long-term component availability. Substitute parts maintain the core electrical and mechanical specifications while offering improved performance characteristics or extended product lifecycles from active manufacturers.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Capacitance | 330 | µF |
| Tolerance | ±20% | — |
| Voltage - Rated | 25 | V |
| ESR @ 120 Hz | 703 | mOhm |
| Lifetime @ Temperature | 2000 Hrs @ 125°C | — |
| Operating Temperature Range | -40°C ~ 125°C | — |
| Ripple Current @ 120 Hz | 300 | mA |
| Ripple Current @ 10 kHz | 360 | mA |
| Lead Spacing | 5.00 | mm |
| Case Diameter | 10.00 | mm |
| Height - Seated (Max) | 17.50 | mm |
| Mounting Type | Through Hole | — |
| Package / Case | Radial, Can | — |
| Polarization | Polar | — |
Substitute Part Grouping Explanation
Substitute parts for the 337HSM025M are grouped based on strict adherence to the following electrical and mechanical compatibility criteria:
Primary Substitution Criteria:
- Capacitance: 330 µF (exact match required)
- Tolerance: ±20% (exact match required)
- Voltage Rating: 25 V or higher (equal or greater voltage rating acceptable)
- Lead Spacing: 5.00 mm (exact match required)
- Case Diameter: 10.00 mm (exact match required)
- Mounting Type: Through Hole (exact match required)
- Package / Case: Radial, Can (exact match required)
- Polarization: Polar (exact match required)
Secondary Compatibility Parameters:
- Operating Temperature Range: -40°C minimum to 125°C minimum
- Height - Seated (Max): 17.50 mm or less (physical fit requirement)
Substitute parts are classified into two categories:
Direct Substitutes (25 V Rating): Parts maintaining the original 25 V voltage rating with identical mechanical dimensions and lead spacing. These parts are pin-compatible and footprint-compatible with the 337HSM025M.
Upgrade Substitutes (35 V Rating): Parts with elevated voltage ratings (35 V) that maintain identical mechanical dimensions and lead spacing. These parts provide enhanced voltage margin and are mechanically interchangeable while offering improved electrical performance headroom.
Parameter Comparison
| Part Number | Manufacturer | Capacitance (µF) | Voltage (V) | Tolerance | Lifetime @ Temp | Operating Temp Range | Lead Spacing (mm) | Case Dia (mm) | Height Max (mm) | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 337HSM025M | Cornell Dubilier / Illinois Capacitor | 330 | 25 | ±20% | 2000 Hrs @ 125°C | -40°C ~ 125°C | 5.00 | 10.00 | 17.50 | Obsolete |
| EEU-TA1E331 | Panasonic Electronic Components | 330 | 25 | ±20% | 2000 Hrs @ 125°C | -40°C ~ 125°C | 5.00 | 10.00 | 17.00 | Active |
| EEU-TP1E331 | Panasonic Electronic Components | 330 | 25 | ±20% | 3000 Hrs @ 125°C | -40°C ~ 135°C | 5.00 | 10.00 | 17.50 | Active |
| UBT1E331MPD8 | Nichicon | 330 | 25 | ±20% | 5000 Hrs @ 125°C | -40°C ~ 125°C | 5.00 | 10.00 | 18.00 | Active |
| UBW1E331MPD | Nichicon | 330 | 25 | ±20% | 2000 Hrs @ 135°C | -55°C ~ 135°C | 5.00 | 10.00 | 18.00 | Active |
| EGXE250ELL331MJ16S | Chemi-Con | 330 | 25 | ±20% | 3000 Hrs @ 125°C | -40°C ~ 125°C | 5.00 | 10.00 | 17.50 | Active |
| EGXL250EC5331MJ16S | Chemi-Con | 330 | 25 | ±20% | 5000 Hrs @ 125°C | -40°C ~ 125°C | 5.00 | 10.00 | 17.50 | Active |
| EGXL250ELL331MJ16S | Chemi-Con | 330 | 25 | ±20% | 5000 Hrs @ 125°C | -40°C ~ 125°C | 5.00 | 10.00 | 17.50 | Active |
| 35RX30330M10X16 | Rubycon | 330 | 35 | ±20% | 2000 Hrs @ 130°C | -40°C ~ 130°C | 5.00 | 10.00 | 17.50 | Active |
| MAL214650331E3 | Vishay Beyschlag/Draloric/BC Components | 330 | 35 | ±20% | 2500 Hrs @ 125°C | -55°C ~ 125°C | 5.00 | 10.00 | 17.50 | Active |
| MAL214660331E3 | Vishay Beyschlag/Draloric/BC Components | 330 | 35 | ±20% | 2500 Hrs @ 125°C | -55°C ~ 125°C | 5.00 | 10.00 | 17.50 | Active |
Engineering Selection Recommendations
For Direct Replacement (25 V Rating):
The EEU-TA1E331 (Panasonic) provides the closest functional match to the 337HSM025M with identical electrical specifications and active product status. This part is recommended as the primary direct replacement for applications where the original 25 V rating is specified and no voltage margin upgrade is required.
The EEU-TP1E331 (Panasonic) offers extended lifetime (3000 hours at 125°C versus 2000 hours) and expanded operating temperature range (-40°C to 135°C) while maintaining identical mechanical compatibility. This part is suitable for applications requiring enhanced reliability or operation at elevated temperatures.
The EGXL250ELL331MJ16S (Chemi-Con) and EGXL250EC5331MJ16S (Chemi-Con) provide the longest operational lifetime (5000 hours at 125°C) among 25 V options and carry AEC-Q200 automotive qualification. These parts are appropriate for automotive applications or designs requiring extended service life.
The UBT1E331MPD8 (Nichicon) and UBW1E331MPD (Nichicon) deliver 5000-hour and 2000-hour lifetimes respectively with extended temperature ranges. The UBW1E331MPD operates to 135°C and -55°C, providing the widest temperature envelope among 25 V substitutes.
For Voltage Upgrade (35 V Rating):
The 35RX30330M10X16 (Rubycon), MAL214650331E3 (Vishay), and MAL214660331E3 (Vishay) maintain identical mechanical dimensions while providing 35 V voltage rating. These parts are mechanically interchangeable and suitable for applications where voltage margin enhancement is beneficial. All three carry AEC-Q200 automotive qualification.
Compliance and Certification:
All substitute parts listed are RoHS3 compliant and carry REACH compliance status. Parts designated for automotive applications (EGXE250ELL331MJ16S, EGXL250EC5331MJ16S, EGXL250ELL331MJ16S, 35RX30330M10X16, MAL214650331E3, MAL214660331E3, EEU-TP1E331) carry AEC-Q200 qualification.
Frequently Asked Questions (FAQ)
Q: Can the 337HSM025M be replaced with a 35 V rated substitute?
A: Yes. The 35RX30330M10X16 (Rubycon), MAL214650331E3 (Vishay), and MAL214660331E3 (Vishay) are mechanically and electrically compatible substitutes with identical lead spacing (5.00 mm), case diameter (10.00 mm), and height (17.50 mm). A higher voltage rating does not prevent substitution; it provides additional voltage margin. These parts are pin-compatible and footprint-compatible with the original 337HSM025M.
Q: What is the difference between EEU-TA1E331 and EEU-TP1E331?
A: Both are Panasonic 330 µF, 25 V radial aluminum electrolytic capacitors with identical mechanical dimensions. The EEU-TA1E331 (TA series) provides 2000-hour lifetime at 125°C with operating range -40°C to 125°C. The EEU-TP1E331 (TP-A series) provides 3000-hour lifetime at 125°C with extended operating range -40°C to 135°C. The TP-A series carries AEC-Q200 automotive qualification.
Q: Are all substitute parts through-hole mounted?
A: Yes. All substitute parts listed maintain through-hole mounting type with 5.00 mm lead spacing, identical to the 337HSM025M. No PCB layout modifications are required for substitution.
Q: Which substitute offers the longest operational lifetime?
A: The EGXL250ELL331MJ16S and EGXL250EC5331MJ16S (both Chemi-Con GXL series) provide 5000-hour lifetime at 125°C, the longest among all listed substitutes. The UBT1E331MPD8 (Nichicon UBT series) also provides 5000-hour lifetime at 125°C.
Q: Can the 337HSM025M be used in automotive applications?
A: The 337HSM025M is classified as general-purpose and does not carry automotive qualification. For automotive applications, substitute parts with AEC-Q200 qualification are recommended: EGXE250ELL331MJ16S, EGXL250EC5331MJ16S, EGXL250ELL331MJ16S, 35RX30330M10X16, MAL214650331E3, MAL214660331E3, and EEU-TP1E331.
Q: What is the maximum height constraint for substitution?
A: The original 337HSM025M has a maximum seated height of 17.50 mm. Direct substitutes must fit within this height envelope. The EEU-TA1E331 (17.00 mm) and all 25 V Chemi-Con and Rubycon parts (17.50 mm) meet this requirement. The Nichicon UBT1E331MPD8 and UBW1E331MPD (18.00 mm height) exceed the original height and require PCB layout verification before substitution.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed carry RoHS3 compliance status. The 337HSM025M original part does not specify RoHS compliance due to its obsolete status.
Q: What is the impedance difference between the 337HSM025M and substitutes?
A: The 337HSM025M specifies 703 mOhm ESR at 120 Hz. Substitute parts provide lower impedance values: EEU-TA1E331 (75 mOhms), EGXE250ELL331MJ16S (94 mOhms), EGXL250EC5331MJ16S and EGXL250ELL331MJ16S (120 mOhms), and others (75-120 mOhms range). Lower impedance generally indicates improved performance characteristics.
Q: Can the 337HSM025M be replaced with UBW1E331MPD for extended temperature operation?
A: Yes. The UBW1E331MPD (Nichicon UBW series) operates from -55°C to 135°C, providing the widest temperature range among substitutes. However, its maximum seated height is 18.00 mm, exceeding the original 17.50 mm. PCB layout verification is required to confirm physical fit before substitution.
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