D35SB80 STMicroelectronics Bridge Rectifier (Other) In Stock
D35SB80 is a high-current glass-passivated single-phase bridge rectifier rated at 35 A forward current and 800 V reverse voltage. Its molded package and robust construction suit industrial power supplies and motor-drive AC-to-DC conversion.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- D35SB80 Datasheet PDF
- Category
- Bridge Rectifier
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 35 A forward current capacity for high-power loads
- 800 V reverse voltage rating for wide AC input compatibility
- Glass-passivated junction for stable long-term operation
- Single-phase full-wave bridge rectification in one package
- Molded package with mounting tab for heatsink attachment
- Surge current capability above 400 A peak
Applications
The D35SB80 is used in industrial power supplies, motor-drive front ends, and welding equipment that require full-wave rectification of 230 V or 400 V AC mains at load currents up to 35 A. Its glass-passivated junction and high reverse-voltage rating also make it suitable for UPS systems and heavy-duty battery chargers where reliability under thermal cycling is essential.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum forward current and reverse voltage rating of the D35SB80, and which AC supply voltages does it support?
The D35SB80 is rated for 35 A continuous forward current and 800 V peak reverse voltage. This allows it to rectify 230 V AC mains (peak ~325 V) and 400 V three-phase line-to-neutral (peak ~565 V) with substantial voltage margin, making it suitable for European industrial supply standards.
How does the glass-passivated junction of the D35SB80 improve reliability compared to standard junction technologies?
Glass passivation seals the semiconductor junction surface, preventing contamination-driven leakage current increase over time. This results in more stable reverse blocking characteristics across temperature extremes from -40°C to 150°C and reduces the likelihood of premature failure in humid or industrial environments.
For a 3 kW AC-to-DC industrial power supply, can the D35SB80 handle the inrush and steady-state currents?
At 230 V AC input, a 3 kW load draws approximately 13 A RMS steady state, well below the D35SB80's 35 A rating. The device also tolerates a non-repetitive peak surge current exceeding 400 A for one half-cycle, accommodating the large inrush that occurs when bulk electrolytic capacitors charge at power-on.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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