Description
TBBCI1-300K420 Snap-On Bulk Current Injection Probe
The TBBCI1-300K420-HV snap-on Bulk Current Injection probe can be used up to 400 MHz.
The BCI probe can be used for ISO11452-4 BCI testing, GJB 151B, CS114 testing for MILSTD 461G and DO160 section 20 testing. The probe also complies with DO-160 Section 22, the pulse-induced damped sinusoidal test for 5 kV pulse injection.
The insertion loss is 5 dB for most of its bandwidth. The probe is individually characterised and usable in the frequency range 10 kHz – 450 MHz. The probe can be used to inject severity levels I (60mA), II (100mA, III (150mA), IV (200mA) and customer-specific severity level V up to 350 mA.
The probe can also be used for RF current monitoring applications.
The aperture of the RF current monitoring probe is 27 mm. The typical insertion loss is 5 dB, and the typical transfer impedance is 26 dB Ohm.
- Compliance: ISO 11452-4; MIL-STD-461 CS114, GJB 151B-2013, DO-160
- Characterised freq. range: 10 kHz to 500 MHz
- Insertion loss: 5 dB typ.; 50 Ohm system (100 Ohm loop impedance)
- Transfer impedance: 29 dB Ohm typ.; 50 Ohm system (100 Ohm loop impedance)
- Power rating: capable of injecting severity levels I, II, III, IV according to ISO 11452 and customer-specified level V up to 350 mA
- Max. core temperature: 80 °C
- Connector type: BNC-SHV
- male Aperture diameter: 27 mm
- Outside diameter: 92 mm
- Height: 76 mm
- Weight: 1.2 kg
Automotive EMC Testing
- ISO 11452-4 BCI testing on wiring harnesses and signal/power lines
- Immunity validation of ECUs, ADAS, infotainment, and body electronics
Military & Aerospace EMC Testing
- MIL-STD-461G CS114 and GJB 151B conducted susceptibility testing
- RTCA DO-160 Section 20
- Suitable for avionics, defence electronics, and mission-critical systems
RF Current Monitoring & Diagnostics
- Non-intrusive RF current measurement on cables and harnesses
- Verification of injected current during BCI testing
- EMC troubleshooting
EMC Pre-Compliance & R&D
- Early-stage immunity testing prior to formal certification
- Ideal for development labs and EMC engineering environments




































































































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TBBCI1-300K420 Datasheet












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