SKBPC3516 SKBPC5016 Three-Phase Rectifier Bridge 35A 50A 1600V
SKBPC3516 SKBPC5016 Three-Phase Rectifier Bridge 35A 50A 1600V
SKBPC3516 / SKBPC5016 Three-Phase Rectifier Bridge Stack – 35A & 50A, 1600V
Upgrade your power electronics with this high-performance three-phase rectifier bridge module, available in both SKBPC3516 (35 Amp) and SKBPC5016 (50 Amp) ratings at 1600V peak inverse voltage. Designed for through-hole PCB mounting, these stacked rectifier bridge modules deliver consistent, reliable DC output for industrial chargers, motor drives, power supplies, and other demanding applications.
Made in Mainland China.
Key Specifications
- Models: SKBPC3516 (35A) / SKBPC5016 (50A)
- Voltage Rating: 1600V
- Current Rating: 35A / 50A
- Package Type: Through-Hole
- Configuration: Three-Phase Bridge Rectifier Stack
- High-Concern Chemicals: None
Output Voltage Reference Guide
Understanding the relationship between input voltage (U2) and output voltage (UL) is essential for correct circuit design:
- Without filter capacitor: UL = 0.9 × U2
- With filter capacitor (under load): UL = 1.2 × U2
- With filter capacitor (no load): UL = 1.41 × U2
⚠️ Heat Sink Requirement
Under adequate ventilation conditions:
- Working current ≤ 10A: A heat sink is not required.
- Working current > 10A: A heat sink must be installed to ensure safe and stable operation.
Typical Applications
- Battery chargers and power supply units
- Three-phase AC-to-DC conversion circuits
- Industrial motor drives and inverters
- Welding equipment and UPS systems
- Variable frequency drives (VFDs)
Why Choose This Rectifier Bridge?
- ✅ High current capacity (35A or 50A) for demanding loads
- ✅ 1600V voltage rating provides ample safety margin
- ✅ Through-hole design for easy PCB integration
- ✅ Compact stack form factor saves board space
- ✅ No high-concern chemicals — RoHS-friendly construction
For further technical guidance on rectifier circuits and power electronics safety, visit the OSHA Electrical Safety Resource.
Frequently Asked Questions
Q: What is the difference between the SKBPC3516 and SKBPC5016 rectifier bridge modules?
A: The primary difference is the current rating. The SKBPC3516 is rated for 35 Amps, while the SKBPC5016 handles up to 50 Amps. Both share the same 1600V peak inverse voltage rating and through-hole package type, making the choice dependent on your circuit's current requirements.
Q: Do I need a heat sink with this three-phase rectifier bridge?
A: It depends on your operating current. If the working current is 10A or less with good ventilation, no heat sink is needed. For any operating current exceeding 10A, installing an appropriate heat sink is mandatory to prevent thermal damage and ensure long-term reliability.
Q: What output voltage can I expect from this rectifier bridge?
A: The output voltage depends on your circuit configuration. Without a filter capacitor, output ≈ 0.9× input voltage. With a filter capacitor under load, output ≈ 1.2× input voltage. At no load with a capacitor, output can reach up to 1.41× input voltage. Always design your circuit with these ratios in mind.
Q: What are the main applications for the SKBPC3516 / SKBPC5016 rectifier bridge?
A: These three-phase rectifier bridge stacks are ideal for battery chargers, industrial power supplies, motor drives, welding machines, UPS systems, and variable frequency drives (VFDs) where reliable AC-to-DC conversion at high current is needed.