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Cal Test Electronics |
TEST LEAD BNC TO BANANA 78.7" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 78.7" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 78.7" |
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Cal Test Electronics |
TEST LEAD BNC TO GRAB HOOK 39.4" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 78.7" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 9.8" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 9.8" |
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Cal Test Electronics |
TEST LEAD BNC TO GRAB HOOK 78.7" |
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Cal Test Electronics |
TEST LEAD BNC TO SPADE TERM 9.8" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 78.7" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 9.8" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 39.4" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 39.4" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 78.7" |
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Mueller Electric Co. |
TEST LEAD BNC TO GRAB HOOK 48" |
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Pomona Electronics |
BNC (M) WITH 20 AWG LEADS |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 78.7" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 78.7" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 39.4" |
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Cal Test Electronics |
TEST LEAD BNC TO BANANA 39.4" |
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BNC (Bayonet Neill-Concelman) interface test leads are coaxial cable assemblies designed for quick-connect/disconnect applications in test and measurement systems. They provide reliable signal transmission for high-frequency analog and digital signals. These test leads are critical in ensuring signal integrity in laboratory, industrial, and field environments due to their secure bayonet locking mechanism and impedance-matched design.
| Type | Functional Features | Application Examples |
|---|---|---|
| Standard BNC Test Leads | General-purpose cables with 50/75 impedance, suitable for frequencies up to 4 GHz | Oscilloscope signal input, basic RF testing |
| Low-Loss BNC Cables | Enhanced dielectric materials for reduced signal attenuation | High-precision RF/microwave measurements |
| High-Voltage BNC Leads | Reinforced insulation for >500V applications | Power amplifier testing, high-voltage circuit diagnostics |
| Differential Signal Cables | Twisted-pair construction for balanced signal transmission | High-speed differential probing in communication systems |
| Waterproof BNC Assemblies | IP67-rated connectors for outdoor/environmental testing | Field measurements in harsh industrial environments |
Typical BNC test leads consist of: - Central conductor (silver-plated copper alloy) - Dielectric insulation (PTFE or foam polyethylene) - Braided shielding (aluminum/mylar foil + copper braid) - Outer jacket (PVC or flexible TPE) - BNC connectors with nickel/gold-plated brass bodies Standard cable diameters range from 1.8mm to 5.6mm with 50 (radio frequency) or 75 (video/telecom) impedance options.
| Parameter | Typical Range | Importance |
|---|---|---|
| Frequency Range | DC-4GHz (standard), DC-18GHz (high-performance) | Determines maximum usable bandwidth |
| Voltage Rating | 50-500V RMS | Ensures safe operation in high-voltage environments |
| Insertion Loss | 0.1-3.5 dB/m | Impacts signal measurement accuracy |
| Shielding Effectiveness | 60-100dB | Prevents electromagnetic interference |
| VSWR | 1.2:1 to 1.5:1 | Measures impedance matching quality |
| Durability | 500+ mating cycles | Defines mechanical lifespan |
Key industries and equipment: - Telecommunications: 5G base station testing, network analyzer calibration - Medical Electronics: Diagnostic imaging equipment signal verification - Aerospace: Avionics RF system diagnostics - Education: Student laboratory measurement setups - Industrial Automation: Sensor signal monitoring in production lines
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Keysight Technologies | N287xA Series | Phase-stable microwave test leads up to 26.5GHz |
| Teledyne LeCroy | PP066 probes | 6GHz bandwidth differential BNC interface |
| Fluke Calibration | 7000 Series | Thermally stable cables for precision metrology |
| Belden | 9103 Series | Low-smoke zero-halogen industrial test leads |
Key considerations: - Match cable impedance (50 vs 75 ) to device requirements - Verify frequency range exceeds application needs by 20% - Choose appropriate shielding level (standard vs tri-shield) - Consider bend radius for portable applications - Environmental ratings (temperature range, chemical resistance) - Connector plating (gold for corrosion resistance) - Cable length optimization (shorter for higher frequencies)
Emerging developments: - Transition to 10GHz+ bandwidth requirements for 5G testing - Increased adoption of phase-matched cable assemblies - Integration with smart test systems via embedded ID chips - Development of ultra-flexible "test whip" designs - Growth in automotive radar testing applications (76-81GHz) - Environmental compliance with RoHS and REACH standards