CSE Series Coaxial Current Shunt 0.005–0.05 Ω, up to 1.5 GHz

Key Features

Bandwidth up to 1.5 GHz
Withstands transient pulse energy up to 20 J for high-current measurement
No high-frequency insertion loss
Three resistance values: 0.005 Ω, 0.01 Ω and 0.05 Ω
High-reliability bolt-type mounting
For current measurement on SiC and GaN power semiconductors

Model CSE005M15 CSE01M15 CSE050M10

Download datasheet

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The CSE series coaxial current shunts are high-energy bolt-type ultrafast shunts for high-current pulse measurement on SiC and GaN power stages. Their coaxial resistor design gives bandwidths up to 1.5 GHz with a flat response and withstands transient pulse energy up to 20 J.

The shunt is clamped between two circuit boards with two sets of nuts and connects to the oscilloscope through a BNC output (50 Ω input impedance).

Models & Specifications

Common Specifications

Specification	Value
Mounting	Bolt type (two-nut, board-to-board)
Output Connector	BNC (50 Ω)

Model Comparison

Model	CSE005M15	CSE01M15	CSE050M10
Resistance	0.005 Ω	0.01 Ω	0.05 Ω
Bandwidth (–3 dB)	1.5 GHz	1.5 GHz	1 GHz
Rise Time	≤233 ps	≤233 ps	≤350 ps
Max. Continuous Power	4 W	4 W	5 W
Max. Continuous Current*	25 A	20 A	10 A
Max. Pulse Energy	15 J	16 J	20 J

* Max. continuous current is calculated from the rated continuous power and resistance (I = √(P/R)) and rounded down; it is not a separately published rating.

Specifications from the official Cybertek datasheet (Chinese); use the Download Datasheet button for full details.