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HVC HVD Series: The High-Current Replacement for SEMIKRON & SEMTECH Diodes

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Abstract This document details the technical characteristics of HVC HVD series high voltage diodes and provides a performance benchmark analysis against SEMIKRON (SK/SKa series) and SEMTECH (SCH series) product lines.

Through large chip technology and optimized thermal design, HVC diodes achieve significant thermal performance advantages under identical operating conditions.

1. Technical Background: Core Challenges of High Voltage Diodes High voltage and high current diodes face three major technical challenges in power electronics systems: * Thermal Management: Power loss due to forward voltage drop leads to increased junction temperature. * Surge Current Capability: Current impact during

This technological breakthrough not only improves reliability but also provides greater derating margin for system design.

References IEC 60747-2: Semiconductor devices - Discrete devices - Part 2: Rectifier diodes JEDEC JESD51: Methodology for the thermal measurement of component packages SEMIKRON Technical Information

Model Comparison	Operating Current	Operating Voltage	SEMIKRON Junction Temp	HVC Junction Temp	Temperature Difference
SK 3/16 vs HVD-SK 3/16	3A	1.6kV	95°C	75°C	-20°C
SK 6/16 vs HVD-SK 6/16	6A	1.6kV	110°C	90°C	-20°C
SKa 6/20 vs HVD-SKa 6/20	6A	2.0kV	115°C	95°C	-20°C

Technical Parameters	SEMIKRON Specifications	HVC Specifications	Technical Advantage
Reverse Voltage	0.8-2.0kV	0.8-2.0kV	Fully Equivalent
Forward Current	1-6A	1-6A	Fully Equivalent
Surge Current	60-375A	60-375A	Fully Equivalent
Forward Voltage Drop	Standard Value	Reduced by 5-8%	HVC Superior
Junction Temperature	Standard Value	Reduced by 20°C	HVC Superior
Thermal Resistance	Standard Value	Reduced by 15-20%	HVC Superior

Technical Parameters	SEMTECH Specifications	HVC Specifications	Technical Advantage
Reverse Voltage	5-25kV	5-25kV	Fully Equivalent
Forward Current	0.5A	0.5A	Fully Equivalent
Surge Current	10A	10A	Fully Equivalent
Reverse Leakage Current	Standard Value	Reduced by 10-15%	HVC Superior

Parameter	Initial Value	After 1000h	Change Rate	Standard Requirement
Reverse Leakage Current	5μA	6μA	+20%	<50%
Forward Voltage Drop	1.2V	1.22V	+1.7%	<5%

Model	Failure Cycle Count	Standard Requirement
HVD-SK 6/16	>50,000 cycles	>10,000 cycles
HVD-SKa 6/20	>50,000 cycles	>10,000 cycles

SEMIKRON Model	Reverse Voltage (kV)	Forward Current (A)	Surge Current (A)	HVC Model
SK 1/12	1.2	1	60	HVD-SK 1/12
SK 1/16	1.6	1	60	HVD-SK 1/16
SK 1M16	1.6	1	50	HVD-SK 1M16
SK 3/12	1.2	3	180	HVD-SK 3/12
SK 3/16	1.6	3	180	HVD-SK 3/16
SK 3M16	1.6	3	120	HVD-SK 3M16
SK 6/08	0.8	6	375	HVD-SK 6/08
SK 6/16	1.6	6	375	HVD-SK 6/16
SKa 1/17	1.7	1.45	60	HVD-SKa 1/17
SKa 3/17	1.7	3	180	HVD-SKa 3/17
SKa 3/20	2.0	3	180	HVD-SKa 3/20
SKa 6/17	1.7	6	375	HVD-SKa 6/17
SKa 6/20	2.0	6	375	HVD-SKa 6/20

SEMTECH Model	Reverse Voltage (kV)	Forward Current (A)	Surge Current (A)	HVC Model
SCH5000	5	0.5	10	HVD-SCH5000
SCH7500	7.5	0.5	10	HVD-SCH7500
SCH10000	10	0.5	10	HVD-SCH10000
SCH12500	12.5	0.5	10	HVD-SCH12500
SCH15000	15	0.5	10	HVD-SCH15000
SCH20000	20	0.5	10	HVD-SCH20000
SCH25000	25	0.5	10	HVD-SCH25000