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Introduction to TVS Overvoltage Protection Devices

Introduction to TVS Overvoltage Protection Devices. Outline. Product Families Part Number Conventions Axial Leaded P4KE, SA, SAC, P6KE 1.5KE, LCE 3KP, 5KP, SLD 15KPA, 20KPA, 30KPA AK6, AK10 Surface Mount SMAJ, P4SMA, SACB SMBJ, P6SMB, 1KSMB SMCJ, 1.5SMC SMDJ, 5.0SMDJ.

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Introduction to TVS Overvoltage Protection Devices

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  1. Introduction to TVS Overvoltage Protection Devices

  2. Outline • Product Families • Part Number Conventions • Axial Leaded • P4KE, SA, SAC, P6KE • 1.5KE, LCE • 3KP, 5KP, SLD • 15KPA, 20KPA, 30KPA • AK6, AK10 • Surface Mount • SMAJ, P4SMA, SACB • SMBJ, P6SMB, 1KSMB • SMCJ, 1.5SMC • SMDJ, 5.0SMDJ • Overvoltage Protection • The race is on • Clamp vs Crowbar • Key Parameters • Unidirectional vs Bidirectional • Peak Pulse Power PPPM • Double Exponential Waveforms • Reverse Stand-Off Voltage VR • Breakdown Voltage VBR • Clampin Voltage VC • Peak Pulse Current IPP

  3. The Race is On! Overvoltage Protector Protected Circuit Overvoltage Event

  4. Transient Event Vline Clamping Devices Crowbar Devices Trigger Voltage Clamp Voltage Vline Vline Delatch Clamping Devices vs Crowbar Devices

  5. Outline • Product Families • Part Number Conventions • Axial Leaded • P4KE, SA, SAC, P6KE • 1.5KE, LCE • 3KP, 5KP, SLD • 15KPA, 20KPA, 30KPA • AK6, AK10 • Surface Mount • SMAJ, P4SMA, SACB • SMBJ, P6SMB, 1KSMB • SMCJ, 1.5SMC • SMDJ, 5.0SMDJ • Overvoltage Protection • The race is on • Clamp vs Crowbar • Key Parameters • Unidirectional vs Bidirectional • Peak Pulse Power PPPM • Double Exponential Waveforms • Reverse Stand-Off Voltage VR • Breakdown Voltage VBR • Clamping Voltage VC • Peak Pulse Current IPP

  6. Key Parameters: Peak Pulse Power

  7. Key Parameters: Peak Pulse Power • Double Exponential Waveforms • Simulate induced lightning events • Rise time & decay time in microseconds 10 x 1000 8 x 20

  8. Bidirectional vs Unidirectional Bidirectional TVS Unidirectional TVS • Voltage – Current (V-I) Curve • Voltage is displayed left to right • Current is displayed up and down

  9. +I IPP IT IR -V +V VR VBR VC -I Key Parameters: VR Reverse Standoff Voltage

  10. +I IPP IT IR -V +V VR VBR VC -I Key Parameters: VBR Breakdown Voltage

  11. +I IPP IT IR -V +V VR VBR VC -I Key Parameters: VC Max Clamping Voltage

  12. +I IPP IT IR -V +V VR VBR VC -I Key Parameters: Ipp Peak Pulse Current

  13. Outline • Product Families • Part Number Conventions • Axial Leaded • P4KE, SA, SAC, P6KE • 1.5KE, LCE • 3KP, 5KP, SLD • 15KPA, 20KPA, 30KPA • AK6, AK10 • Surface Mount • SMAJ, P4SMA, SACB • SMBJ, P6SMB, 1KSMB • SMCJ, 1.5SMC • SMDJ, 5.0SMDJ • Overvoltage Protection • The race is on • Clamp vs Crowbar • Key Parameters • Unidirectional vs Bidirectional • Peak Pulse Power PPPM • Double Exponential Waveforms • Reverse Stand-Off Voltage VR • Breakdown Voltage VBR • Clamping Voltage VC • Peak Pulse Current IPP

  14. Part Numbering Conventions • The first portion: Indicates the Peak Pulse Power or the package or both. • The next portion: Indicates either the VR or the nominal VBR • Both voltage conventions are industry standards. • Offering both conventions is a critical driver for sales.

  15. Part Numbering Conventions • VBR – Based Part Numbers • Axial Leaded • P4KE, P6KE • 1.5KE, • Surface Mount • P4SMA, • P6SMB, 1KSMB • 1.5SMC • VR – Based Part Numbers • Axial Leaded • SA, SAC, LCE • 3KP, 5KP, SLD • 15KPA, 20KPA, 30KPA • AK6, AK10 • Surface Mount • SMAJ, SACB • SMBJ, SMCJ, • SMDJ, 5.0SMDJ

  16. Axial Leaded TVS Diodes DO-41 DO-15 DO-201 P-600 Available Axial Packages AK-6 AK-10

  17. DO-41 Axial TVS Diodes • P4KE (400W)

  18. DO-15 Axial TVS Diodes • P6KE (600W) • SA (500W) • SAC (500W, Low Cap) TVS Diode Isolation Diode

  19. DO-201 Axial TVS Diodes • 1.5KE (1500W) • LCE (1500W, Low Cap)

  20. P-600 Axial TVS Diodes • 3KP (3000W) • 5KP (5000W) • 15KPA (15000W) • 20KPA (20000W) • 30KPA (30000W) • SLD (2200W - 100x150000 uS Waveform)

  21. AK Series TVS Diodes • AK6 (6000A – 8x20 uS Waveform) • AK10 (10000A – 8x20 uS Waveform)

  22. Surface Mount TVS Diodes Available Surface Mount Packages DO-214AC (SMA J-Bend) DO-214AA (SMB J-Bend) DO-214AB (SMC J-Bend)

  23. SMA Surface Mount TVS Diodes • SMAJ (400W) • P4SMA (400W)

  24. SMB Surface Mount TVS Diodes • SMBJ (600W) • P6SMB (600W) • SACB (500W, Low Cap) • 1KSMB (1000W)

  25. SMC Surface Mount TVS Diodes • SMCJ (1500W) • 1.5SMC (1500W) • SMDJ (3000W) • 5.0SMDJ (5000W)

  26. Axial TVS Diode Summary

  27. Surface Mount TVS Diode Summary

  28. Thank You! Introduction to TVSOvervoltage Protection Devices

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