Specifications
Nominal and Ty
pical Characteristics
Nominal and typical characteristics, listed in Table 4-2, are not guaranteed. They
are provided to characterize the configuration, performance, or operation of
typical prob
e/amplifier combinations .
Table 8: Nominal and typical amplifier characteristics
Installed probe
Parameter TCP312 TCP305 TCP303 TCP404XL
Ranges, nominal
1A/V,
10 A/V
5A/V,
10 A/V
5A/V,
50 A/V
1A/mV
Maximum Amp-Second
Product – Frequency
deratings shown. (See
page 52, Performance
Graphs.)
1A/V-50A· μs
10 A/V - 500 A· μs
5 A/V - 500 A· μs
10 A/V - NA
5 A/V - 3000 A· μs
50 A/V -
15000 A· ms
NA
Input Coupling, nominal AC, DC AC, DC AC, DC AC, DC
AC Coupling Low- Frequency
Bandwidth, (low-pass -3 dB
point), typical
<7 Hz <7 Hz <7 Hz <7 Hz
Displayed N oise, typical ≤75 mA
RMS
Limit
measurement
bandwidth to
20 MHz.
≤500 mA
RMS
Limit
measurement
bandwidth to
20 MHz.
≤500 mA
RMS
Limit
measurement
bandwidth to
20 MHz.
≤70 mA
RMS
Limit
measurement bandwidth
to 20 MHz.
Signal Delay, typical
1
approximately
17 ns
approximately
19 ns
approximately 53 ns approximately 103 ns
Maximum Bare Wire Voltage Use with insulated
wires only
Use with insulated
wires only
600 V RMS CAT
I & II 300 VRMS
CAT III
600 V RMS CAT I & II
300 VRMS CAT III
Lowest Measurable Current
1mA 5mA 5mA 1A
1MHz:0.08Ω 1 MHz: 0.035 Ω 1MHz:0.01Ω 10 kHz: 0.1 mΩ
10 MHz: 0.15 Ω 10 MHz: 0.12 Ω 5 MHz: 0.025 Ω 100 kHz: 0.6 m Ω
50 MHz: 0.27 Ω 50 MHz: 0.04 Ω 15 MHz: 0.1 Ω 1MHz:8.0mΩ
Insertion Impedance – For
plots (See Figure 32.)
100 MHz: 0.7 Ω
2MHz:16.0mW
Current Transfer R atio 1 V/Amp and
100 mV/Amp
200 mV/Amp and
100 mV/Amp
200 mV/Amp and
20 mV/Amp
1 mV/Amp
Maximum Current Ratings at Sensitivity Ranges
High Current Sensitivity
Range
10 A/V Range 10 A/V Range 50 A/V Range 1 A/mV Range
DC (continuous)
30 A 50 A 150 A 500 A
DC (noncontinuous) N/A N/A N/A
750 A
RMS (sinusoidal)
21 A 35 A 150 A 500 A
Peak Pulse 50 A 50 A 500 A 750 A
48 TCPA300/400 Amplifiers and TCP300/400 Series Current Probes User Manual
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