Operating considerations
TCP303 and TCP
404XL
probes
Characteristic TCP303 probe TCP404XL probe
Input current
0–500 A DC (Peak pulse) 0–750 A DC (Peak pulse)
Maximum input
current ratings
50 A/V Range:
150 ADC (Cont
inuous)
150 A
RMS
(Sinusoidal)
1
500 Apk (Peak pulse)
5 A/V Range:
25 ADC (Continuous)
17.7 A
RMS
(
Sinusoidal)
500 Apk (Peak pulse)
1 A/mV Range:
500 A DC (Cont
inuous)
750 ADC (Noncontinuous)
2
500 A
RMS
(Sinusoidal)
750 Apk (Pea
k pulse)
Maximum v
oltage on
bare wire
600 V
RMS
CAT I & II 600 V
RMS
CAT I & II
Maximum Amp·Second
product
5 A/V - 3000 A· μs
50 A/V - 15000 A· μs
NA
1
Control box derated to 100 Arms above 40 °C
2
WARNING: To reduce the risk of fire or burn, refer to TCP404XL Maximum Measurement Times for intermittent
operation in the TCPA300/400 Amplifiers and TCP300A/400 Series Current Probes User Manual, Tektronix part
number 077-1183-xx, for maximum currents and duty cycles before use.
Amplifiers a nd Current Probes Compliance and Safety Instructions 11