Model：SDN-XSeries Country of Origin：USA
Category：Non-inductive coaxial shunt
T&M CVR high-frequency non-inductive resistors are designed for monitoring pulse generator systems, handling the extremely high peak power and current input generated by steady-state current loads, and for transient current monitoring. In recent years, with the rapid development of power semiconductors and wide-bandgap devices, evaluating device dynamic performance (double-pulse testing) requires high-precision capture of the current waveform at the overall turn-on and turn-off transitions, while minimizing the insertion loss of the probe itself.
Key features:
GHz measurement bandwidth with picosecond-level measurement delay;
Patented technology with extremely low inductance;
Monitors continuous signals (W) or high-energy pulses (J);
Ultra-high resistance accuracy of 0.2%;
Up to 2–3 W power dissipation per unit;
Standard BNC connector
Product photo:
The two main models differ in appearance (see above): the SDN has two pins, while the SSDN has a threaded nut.
2 Watt Units - 1 7/8 Inch Case
Model | Resistance ohms | Bandpass MHz. | Risetime nsec. | Emax joules |
SDN-001 | 0.001 | 12 | 30 | 12 |
SSDN-001 | 0.001 | 12 | 30 | 12 |
SPT-001 | 0.001 | 12 | 30 | 12 |
SDN-0025 | 0.0025 | 12 | 30 | 28 |
SSDN-0025 | 0.0025 | 12 | 30 | 28 |
SPT-0025 | 0.0025 | 12 | 30 | 28 |
SDN-005 | 0.005 | 400 | 1 | 3 |
SSDN-005 | 0.005 | 400 | 1 | 3 |
SPT-005 | 0.005 | 400 | 1 | 3 |
SDN-015 | 0.015 | 1200 | 0.3 | 1.5 |
SSDN-015 | 0.015 | 1200 | 0.3 | 1.5 |
SPT-015 | 0.015 | 1200 | 0.3 | 1.5 |
SDN-10 | 0.1 | 2000 | 0.18 | 2 |
SSDN-10 | 0.1 | 2000 | 0.18 | 2 |
SPT-10 | 0.1 | 2000 | 0.18 | 2 |
3 Watt Units - 3 Inch Case
Model | Resistance ohms | Bandpass MHz. | Risetime nsec. | Emax joules |
SDN-25 | 0.25 | 1200 | 0.3 | 5 |
SSDN-25 | 0.25 | 1200 | 0.3 | 5 |
SPT-25 | 0.25 | 1200 | 0.3 | 5 |
SDN-50 | 0.5 | 800 | 0.45 | 2.5 |
SSDN-50 | 0.5 | 800 | 0.45 | 2.5 |
SPT-50 | 0.5 | 800 | 0.45 | 2.5 |
American precision instruments, nuclear magnetic resonance research achievements, patented technology, low line inductance, ultra-high precision resistance, high overload, particularly suitable for pulse current monitoring. More specifications available for customization!
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