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MALREKB05JS368L00K Equivalent & Substitute Parts
Part Overview
The MALREKB05JS368L00K is a 680 µF, 100 V aluminum electrolytic capacitor in radial, can package manufactured by Vishay Beyschlag/Draloric/BC Components. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The part is rated for general-purpose applications with a 2000-hour lifetime at 105°C and operates across a temperature range of -55°C to 105°C.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 680 µF |
| Voltage Rating | 100 V |
| Tolerance | ±20% |
| Package Type | Radial, Can |
| Mounting Type | Through Hole |
| Lead Spacing | 0.295" (7.50 mm) |
| Diameter | 0.630" (16.00 mm) |
| Height (Max) | 1.319" (34.60 mm) |
| Operating Temperature | -55°C to 105°C |
| Lifetime @ 105°C | 2000 Hrs |
| Polarization | Polar |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the MALREKB05JS368L00K is determined by strict equivalence across the following critical parameters:
- Capacitance value: 680 µF (exact match required)
- Voltage rating: 100 V (exact match required)
- Tolerance: ±20% (exact match required)
- Package configuration: Radial, can format with through-hole mounting
- Lead spacing: 0.295" (7.50 mm) (exact match required)
- Physical dimensions: 0.630" diameter and compatible height within PCB layout constraints
- Operating temperature range: -55°C to 105°C (minimum requirement)
- Lifetime rating: 2000 Hrs @ 105°C (minimum requirement)
- Compliance: ROHS3 compliant
The substitute part 100PX680MEFC16X31.5 meets all these criteria and is manufactured by Rubycon in the active PX series, providing direct functional and mechanical compatibility.
Parameter Comparison
| Parameter | MALREKB05JS368L00K (Vishay) | 100PX680MEFC16X31.5 (Rubycon) |
|---|---|---|
| Capacitance | 680 µF | 680 µF |
| Voltage Rating | 100 V | 100 V |
| Tolerance | ±20% | ±20% |
| Operating Temperature | -55°C to 105°C | -55°C to 105°C |
| Lifetime @ 105°C | 2000 Hrs | 2000 Hrs |
| Lead Spacing | 0.295" (7.50 mm) | 0.295" (7.50 mm) |
| Diameter | 0.630" (16.00 mm) | 0.630" (16.00 mm) |
| Height (Max) | 1.319" (34.60 mm) | 1.299" (33.00 mm) |
| Package Type | Radial, Can | Radial, Can |
| Mounting Type | Through Hole | Through Hole |
| Polarization | Polar | Polar |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The 100PX680MEFC16X31.5 from Rubycon is a direct substitute for the obsolete MALREKB05JS368L00K. The substitute part maintains electrical equivalence across all critical parameters: identical capacitance, voltage rating, tolerance, and temperature specifications. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.
The primary advantage of selecting the Rubycon substitute is its active product status, ensuring long-term availability and supply chain continuity. The physical dimensions are compatible, with the substitute height being 0.020" (0.50 mm) shorter than the original, which presents no constraint for standard PCB layouts. Both parts are rated for 2000-hour lifetime at 105°C, providing equivalent reliability performance.
Frequently Asked Questions (FAQ)
Q: Can the 100PX680MEFC16X31.5 be used as a direct replacement for MALREKB05JS368L00K in existing designs?
A: Yes. Both parts share identical electrical specifications (680 µF, 100 V, ±20% tolerance), operating temperature range (-55°C to 105°C), and mechanical compatibility (lead spacing, diameter, radial can package). The substitute height is 0.020" shorter, which does not affect PCB layout compatibility.
Q: What is the primary reason for substitution?
A: The MALREKB05JS368L00K is classified as obsolete. The Rubycon 100PX680MEFC16X31.5 is an active product, providing assured availability and supply chain support.
Q: Are there compliance differences between the two parts?
A: No. Both parts are ROHS3 compliant and REACH unaffected, meeting identical regulatory standards.
Q: Does the ripple current specification affect substitution suitability?
A: The original part specifies 1.344 A @ 120 Hz. The substitute specifies 900 mA @ 120 Hz and 1.08 A @ 10 kHz. Substitution suitability depends on the specific ripple current requirements of the application circuit. If the application requires ripple current handling at 120 Hz exceeding 900 mA, design verification is necessary.
Q: What is the ESR difference between the parts?
A: The original part specifies 160 mOhm @ 120 Hz. The substitute part does not provide ESR specification in the available data. If ESR is a critical design parameter, the substitute should be evaluated against application requirements.
Q: Are both parts suitable for the same temperature range?
A: Yes. Both parts operate across -55°C to 105°C and are rated for 2000-hour lifetime at 105°C.
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