WH-A series 100uF 100V
High-temperature AEC-Q200 capacitor, 100µF 100V, 150°C rated. For extreme under-hood automotive applications.
Product Overview
Description
The Samwha WH-A series provides high-temperature AEC-Q200 qualified capacitors rated to 150°C for extreme automotive environments. With 100µF capacitance and 100V rating, this capacitor is suitable for 48V mild-hybrid systems, powertrain electronics, and locations near engines or exhaust systems.
The 150°C temperature rating is achieved through advanced electrolyte formulation and high-temperature materials. The capacitor maintains stable electrical characteristics across the entire temperature range.
Full AEC-Q200 qualification and IATF 16949 manufacturing ensure automotive-grade reliability. PPAP documentation is available for production approval.
Product Series
WH
Primary Application
48V mild-hybrid systems
Key Features
- 150°C temperature rating for extreme environments
- AEC-Q200 qualified for automotive
- 5,000 hours lifetime at 150°C
- Suitable for 48V mild-hybrid systems
- IATF 16949 certified manufacturing
- Full PPAP documentation available
Specifications
| Capacitance | 100µF ±20% |
|---|---|
| Voltage Rating | 100V DC |
| Temperature Range | -55°C to +150°C |
| Lifetime | 5,000 hours at 150°C |
| ESR | 0.25Ω max at 100kHz, 20°C |
| Ripple Current | 1.5A RMS at 100kHz, 150°C |
| Leakage Current | 0.01CV or 3µA, whichever is greater |
| Qualification | AEC-Q200 Rev E |
| Size | 12.5mm diameter x 25mm height |
Applications
48V mild-hybrid systems
Electronic system design
Powertrain control modules
Industrial automation and control
Engine compartment electronics
Electronic system design
Transmission control units
Industrial automation and control
Electric power steering
Electronic system design
FAE Expert Insights
"The WH-A series is essential for extreme under-hood applications where 125°C capacitors just won't survive. The 150°C rating handles the most demanding locations near engines and exhaust systems. I've used these in 48V mild-hybrid systems where the capacitors see 130-140°C during peak loads. The 5,000-hour rating at 150°C is conservative - at 120°C actual operating temperature, you're looking at 20,000+ hours. For 48V systems, the 100V rating provides good derating (58% at 48V nominal, 42% at 58V max). The AEC-Q200 qualification includes extended temperature cycling to 150°C which is critical for these extreme applications. For thermal design, you absolutely must minimize self-heating - use multiple capacitors in parallel if ripple current is high. If you're designing for under-hood locations or 48V hybrid systems, the WH-A series is the right choice. Don't compromise with lower temperature ratings in these extreme environments."
Essential 150°C rated capacitor for extreme under-hood and 48V hybrid applications
— Kevin Lee, BeiLuo
Frequently Asked Questions
When should I use 150°C rated capacitors instead of 125°C?
Use 150°C rated capacitors when: Location is in extreme under-hood areas near engine, exhaust manifold, or turbocharger where ambient temperatures exceed 125°C. 48V Mild-Hybrid Systems - The higher power levels and packaging density create elevated temperatures. Powertrain Applications - Engine control modules, transmission controllers in high-temperature locations. Continuous High Load - Applications with sustained high ripple current causing significant self-heating. Safety-Critical Systems - Where capacitor failure could cause safety hazards, extra temperature margin provides additional reliability. Cost-Benefit Analysis: 150°C capacitors cost 30-50% more than 125°C rated. However, if a 125°C capacitor fails in the field, the replacement cost (warranty, labor, reputation) far exceeds the component cost difference. For extreme environments, 150°C rating is insurance against field failures. If your thermal analysis shows case temperature exceeding 110°C, specify 150°C rated capacitors.
Use 150°C rated capacitors when case temperature exceeds 110°C or for extreme under-hood locations.
What is the lifetime of WH-A series at typical operating temperatures?
WH-A series lifetime at various operating temperatures: At 150°C (rated): 5,000 hours, At 140°C: 10,000 hours (2.3 years continuous), At 130°C: 20,000 hours (4.6 years continuous), At 120°C: 40,000 hours (9.1 years continuous), At 110°C: 80,000 hours (18 years continuous). In typical automotive use (intermittent operation, not 24/7): 120°C operation: 15-20 years vehicle life, 110°C operation: 25-30 years vehicle life. The Arrhenius relationship means every 10°C reduction doubles lifetime. For 48V mild-hybrid applications where capacitors see 120-130°C during peak loads but average 100-110°C, expected lifetime is 15-25 years. This exceeds typical 15-year vehicle life requirement. For powertrain applications with sustained high temperatures, thermal management (heat sinks, airflow) is critical to achieve target lifetime.
WH-A series provides 15-25 year lifetime in typical 48V hybrid applications. Ensure adequate thermal management.
What is the lead time for WH-A series 100uF 100V?
Standard lead time for WH-A series 100uF 100V is 6-8 weeks. For high-volume orders, we offer scheduled deliveries to reduce lead time. Contact our sales team for current lead times and inventory availability.
Contact sales for current lead times and scheduled delivery options.
Does WH-A series 100uF 100V have any special packaging options?
WH-A series 100uF 100V is available in standard packaging. For high-volume production, we offer tape and reel packaging for automated assembly. Contact our sales team for custom packaging requirements.
Contact sales for tape and reel or custom packaging options.
What certifications does WH-A series 100uF 100V have?
WH-A series 100uF 100V is RoHS compliant and lead-free. For automotive applications, we offer AEC-Q200 qualified versions. Contact our quality team for specific certification requirements. For more detailed information and application-specific recommendations, please contact our FAE team. We can provide detailed technical documentation, Spice models, and application support to ensure optimal capacitor selection for your specific requirements.
Contact quality team for certification documentation.