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Introducing the TLRZ series of high current zero-ohm jumpers that can handle up to 50A from KOA, samples available from Anglia

Date Published : 30/09/2022 Share with:

KOA have introduced the TLRZ series of metal plate zero-ohm jumpers which allow extremely high currents in very small package sizes compared with standard thick film jumpers.

Available in 4 sizes with current ratings from 10A to 50A, the TLRZ series of metal plate zero-ohm jumpers are ideal devices for designs where thick film jumpers cannot handle the high currents required such as in Motor Drive applications. The TLRZ series are rated at 10A for 0402 size, 26A for 0603 size, 31.6A for 0805 size and 50A for 1206 size.

Standard thick film jumpers typically have a resistance of around 50mΩ, this resistance value while being perfectly adequate for low current applications will dissipate too much power in higher current designs and will push the device outside its current limits. As a comparison, a standard 0805 size thick film jumper is rated up to currents of 5A whereas the equivalent sized TLRZ part can carry up to 31.6A, a sixfold increase in current handling capability. The TLRZ also have excellent high current single pulse endurance.

TLRZ Series One-Pulse Maximum Current

Pulse endurance values are not assured, please check the products on actual equipment for suitability.

The TLRZ series are ideal for replacing thick film devices in existing designs where these parts are struggling with current capacity, or on new designs where space is at a premium, for example the TLRZ 0402 size allows for a higher current rating than a traditional 2512 thick film jumper.

These devices are also useful in ‘versioned’ circuits where some functionality is omitted on certain versions, but where the same PCB is used for all variants. In this case the jumper can be used to connect power to the wider functionality circuit blocks.

The TLRZ series of metal plate high current zero-ohm jumpers are suitable for a range of applications including Motor Drives, Automotive, Industrial, Networking and Communications Equipment, Consumer Devices and White goods.

Key Features

  • Up to 50 A max. rated current in size 1206
  • Available in 0402, 0603, 0805, 1206 sizes
  • Low profile
  • 0.2 mΩ max. resistance value (sizes 0603-1206, 0.5 mΩ max. for 0402)
  • Operating temperature range: -65 °C to +170 °C
  • AEC-Q200 tested
  • EU-RoHS compliant


Click here for more information or to buy from Anglia Live.

Click here to download the TLRZ Series datasheet

Anglia are offering customers FREE samples of the TLRZ series of metal plate high current zero-ohm jumpers from KOA, please fill in the form below to register now.




To register for FREE samples of the TLRZ series of metal plate high current zero-ohm jumpers from KOA, please fill in the form below.

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FREE samples for UK and Ireland customers only, subject to availability.

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