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Ceramic Transient Voltage Suppressors

Ceramic transient voltage suppressors are a type of variable resistor that are designed to respond to momentary conditions of overvoltage. They are more effective than other types of overvoltage protection components, such as varistors or gas discharge tubes, as they respond faster to the changing conditions. This particular type of transient voltage suppressor is made from ceramic.

What are ceramic transient voltage suppressors used for?

Ceramic transient voltage suppressors are used as part of electronic circuits to protect data or transmission lines. They work to protect against both unidirectional and bidirectional electrostatic discharge. This kind of sudden voltage spike can be caused either internally or externally, for example in the form of lightning or motor arcing.

Types of ceramic transient voltage suppressors

Ceramic transient voltage suppressors can vary according to:

  • their capacitance, which is the amount of energy they can store
  • their clamping voltage, which is the voltage at which they can conduct their full rate
  • their maximum surge current, after which they will stop functioning
  • their size
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Part Details Brand Stock Varistor Voltage Series Maximum DC Voltage Rating Maximum AC Voltage Rating Energy Clamping Voltage Clamping Current Package/Case Maximum Surge Current Capacitance Dimensions Depth Height Length
Panasonic EXJZ Series 170V 0603 Variable Resistor
  • € 0.17
  • Each (On a Reel of 10000)
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Panasonic 0 170V EXJZ 18V - - - - 0603 (1608M) - 3pF 1.6 x 0.8 x 0.8mm 0.8mm - 1.6mm
Panasonic EXJZ Series 50V 0402 Variable Resistor
  • € 0.07
  • Each (On a Reel of 5000)
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Panasonic 0 50V EXJZ 5V - - - - 0402 (1005M) - 3pF 1 x 0.5 x 0.5mm 0.5mm - 1mm
Panasonic EXJZ Series 80V 0402 Variable Resistor
  • € 0.10
  • Each (On a Reel of 5000)
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Panasonic 0 80V EXJZ 18V - - - - 0402 (1005M) - 3pF 1 x 0.5 x 0.5mm 0.5mm - 1mm
Panasonic EXJZ Series 80V 0603 Variable Resistor
  • € 0.12
  • Each (On a Reel of 15000)
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Panasonic 0 80V EXJZ 18V - - - - 0603 (1608M) - 3pF 1.6 x 0.8 x 0.8mm 0.8mm - 1.6mm
Littelfuse ML Series 20.3V 120A 0.3J 32V Clamp 0805 Ceramic Transient Voltage Suppressor Littelfuse 24920 20.3V ML 14V 10V 0.3J 32V 1A 0805 (2012M) 120A 560pF 2.01 x 1.25 x 1.1mm 1.25mm 1.1mm 2.01mm
EPCOS 42.3 → 51.7V 80A 0.3J 77V Clamp 0805 Metal Oxide Varistor
  • RS Stock No. 775-2755
  • Brand EPCOS
  • Mfr. Part No. B72510E0300K062
Epcos 22700 42.3 → 51.7V - 38V 30V 0.3J 77V 1A 0805 (2012M) 80A 200pF 2 x 1.25 x 1.4mm 1.25mm - 2mm
EPCOS 29.7 → 36.3V 30A 0.2J 56V Clamp 0603 Metal Oxide Varistor
  • RS Stock No. 775-2739
  • Brand EPCOS
  • Mfr. Part No. B72500E0200K060
Epcos 18100 29.7 → 36.3V - 26V 20V 0.2J 56V 1A 0603 (1608M) 30A 90pF 1.6 x 0.8 x 0.9mm 0.8mm - 1.6mm
EPCOS CT Series 56V 250A 2J 90V Clamp 1210 Ceramic Transient Voltage Suppressor
  • RS Stock No. 703-1714
  • Brand EPCOS
  • Mfr. Part No. B72530T0350K062
Epcos 15430 56V CT 45V 35V 2J 90V 2.5A 1210 (3225M) 250A 600pF 3.2 x 2.5 x 1.7mm 2.5mm 1.7mm 3.2mm
AVX 8.5V 20A 0.05J 18V Clamp 0402 Ceramic Transient Voltage Suppressor
  • RS Stock No. 697-9056
  • Brand AVX
  • Mfr. Part No. VC040205X150WP
AVX 13800 8.5V - 5.6V 4V 0.05J 18V 1A 0402 (1005M) 20A 175pF 1 x 0.5 x 0.6mm 0.5mm 0.6mm 1mm
EPCOS 35.1 → 42.9V 200A 1J 65V Clamp 1206 Metal Oxide Varistor
  • RS Stock No. 775-2770
  • Brand EPCOS
  • Mfr. Part No. B72520E0250K062
Epcos 13000 35.1 → 42.9V - 31V 25V 1J 65V 1A 1206 (3216M) 200A 550pF 3.2 x 1.6 x 1.7mm 1.6mm - 3.2mm
AVX VC Series 41V 30A 0.1J 67V Clamp 0603 Ceramic Transient Voltage Suppressor
  • RS Stock No. 393-563
  • Brand AVX
  • Mfr. Part No. VC060330A650DP
AVX 10250 41V VC 30V 21V 0.1J 67V 1A 0603 (1608M) 30A 125pF 1.6 x 0.8 x 0.9mm 0.8mm 0.9mm 1.6mm
Littelfuse ML Series 18V 120A 0.3J 44V Clamp 0805 Ceramic Transient Voltage Suppressor Littelfuse 9950 18V ML 18V 14V 0.3J 44V 1A 0805 (2012M) 120A 520pF 2.01 x 1.25 x 1.1mm 1.25mm 1.1mm 2.01mm
AVX 18.5V 20A 0.05J 32V Clamp 0402 Ceramic Transient Voltage Suppressor
  • RS Stock No. 697-9050
  • Brand AVX
  • Mfr. Part No. VC040214X300WP
AVX 9920 18.5V - 14V 10V 0.05J 32V 1A 0402 (1005M) 20A 100pF 1 x 0.5 x 0.6mm 0.5mm 0.6mm 1mm
Panasonic EXJZ Series Variable Resistor 56pF, Varistor 42V 0402 (1005M) Case Panasonic 8000 42V EXJZ 30V - - - - 0402 (1005M) 10A 56pF 1 x 0.5 x 0.5mm 0.5mm - 1mm
EPCOS 68V 250A 2.3J 110V Clamp 1210 Metal Oxide Varistor
  • RS Stock No. 775-2809
  • Brand EPCOS
  • Mfr. Part No. B72530T0400K062
Epcos 7750 68V - 56V 40V 2.3J 110V 2.5A 1210 (3225M) 250A 500pF 3.2 x 2.5 x 1.7mm 2.5mm - 3.2mm
EPCOS 29.7 → 36.3V 200A 0.7J 54V Clamp 1206 Metal Oxide Varistor
  • RS Stock No. 775-2761
  • Brand EPCOS
  • Mfr. Part No. B72520E0200K062
Epcos 7600 29.7 → 36.3V - 26V 20V 0.7J 54V 1A 1206 (3216M) 200A 600pF 3.2 x 1.6 x 1.7mm 1.6mm - 3.2mm
EPCOS 29.7 → 36.3V 400A 1.9J 54V Clamp 1210 Metal Oxide Varistor
  • RS Stock No. 775-2792
  • Brand EPCOS
  • Mfr. Part No. B72530E0200K062
Epcos 7550 29.7 → 36.3V - 26V 20V 1.9J 54V 2.5A 1210 (3225M) 400A 1.5nF 3.2 x 2.5 x 1.7mm 2.5mm - 3.2mm
EPCOS 47V 300A 2J 77V Clamp 1210 Ceramic Transient Voltage Suppressor
  • RS Stock No. 703-1705
  • Brand EPCOS
  • Mfr. Part No. B72530T0300K062
Epcos 6830 47V - 38V 30V 2J 77V 2.5A 1210 (3225M) 300A 1nF 3.2 x 2.5 x 1.7mm 2.5mm 1.7mm 3.2mm
Panasonic EXJZ Series Variable Resistor 20pF, Varistor 27V 0603 (1608M) Case Panasonic 6000 27V EXJZ 16V - - - - 0603 (1608M) 3A 20pF 1.6 x 0.8 x 0.8mm 0.8mm - 1.6mm
EPCOS CT Series 100V 200A 2J 165V Clamp 1210 Ceramic Transient Voltage Suppressor
  • RS Stock No. 703-1711
  • Brand EPCOS
  • Mfr. Part No. B72530T0600K062
Epcos 5550 100V CT 85V 60V 2J 165V 2.5A 1210 (3225M) 200A 200pF 3.2 x 2.5 x 1.7mm 2.5mm 1.7mm 3.2mm
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