| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
TPI (Test Products International) |
PROBE PIERCING RED BANANA |
0 |
|
 |
TPI (Test Products International) |
LEAD TEST SPRUNG HOOK RED |
0 |
|
 |
TPI (Test Products International) |
PLUNGER-HOOK BLACK BANANA |
0 |
|
 |
TPI (Test Products International) |
MICRO-PINCER GRAY PIN |
3236 |
|
 |
TPI (Test Products International) |
NANO-PINCER RED PIN |
2954 |
|
 |
TPI (Test Products International) |
PLUNGER-HOOK RED BANANA |
0 |
|
 |
TPI (Test Products International) |
NANO-PINCER GREEN PIN |
2330 |
|
 |
TPI (Test Products International) |
LEAD TEST SPRUNG HOOK BLACK |
0 |
|
 |
TPI (Test Products International) |
PROBE PIERCING BLACK/RED BANANA |
39 |
|
 |
TPI (Test Products International) |
PROBE PIERCING BLACK BANANA |
50 |
|
 |
TPI (Test Products International) |
MICRO-PINCER BLACK PIN |
7548 |
|
 |
TPI (Test Products International) |
NANO-PINCER GRAY PIN |
3240 |
|
 |
TPI (Test Products International) |
PLUNGER-HOOK BLACK/RED BANANA |
81200 |
|
 |
TPI (Test Products International) |
NANO-PINCER YELLOW PIN |
3228 |
|
 |
TPI (Test Products International) |
NANO-PINCER BLACK PIN |
463756 |
|
 |
TPI (Test Products International) |
NANO-PINCER BLUE PIN |
18174 |
|
 |
TPI (Test Products International) |
MICRO-PINCER RED PIN |
33198 |
|
Test Clips - Grabbers and Hooks are specialized electrical connectors designed for temporary circuit connections during testing, measurement, and troubleshooting. These components play a critical role in ensuring signal integrity, safety, and efficiency in electronic and electrical systems. Their importance spans across R&D, quality assurance, and field service applications where reliable connectivity is essential.
| Type | Functional Features | Application Examples |
|---|---|---|
| Alligator Clips | Spring-loaded jaws with serrated edges for secure grip | Battery testing, automotive diagnostics |
| Hook Clips | Open-hook design for easy attachment to terminals | PCB testing, relay circuit analysis |
| Mini Grabbers | Compact jaws with fine contact points | SMT component testing, aerospace electronics |
| High-Current Clips | Large contact area with reinforced structure | Power supply testing, industrial machinery diagnostics |
| Insulated Test Hooks | 360 rotating head with color-coded insulation | Telecom equipment maintenance, semiconductor testing |
Typical construction includes: - Conductive jaw (phosphor bronze or beryllium copper with gold/nickel plating) - Insulated handle (high-temperature resistant thermoplastic) - Mechanical linkage (precision-machined pivot system) - Connection interface (banana plug, BNC, or direct wire termination) - Spring mechanism (stainless steel for consistent clamping force)
| Parameter | Value Range | Importance |
|---|---|---|
| Current Rating | 1-20A | Ensures safe high-power measurements |
| Voltage Isolation | 300-1000V | Prevents electrical hazards |
| Contact Resistance | 1-10m | Maintains signal accuracy |
| Operating Temperature | -40 C to +150 C | Guarantees performance stability |
| Dielectric Strength | 2-10kV | Protects against insulation breakdown |
| Clamping Force | 0.5-5N | Prevents accidental disconnection |
| Manufacturer | Representative Product | Key Feature |
|---|---|---|
| Fluke Corporation | T81031 Hook Clip | Rotating head with 600V isolation |
| Keysight Technologies | N287xA Series Grabber | 1GHz bandwidth capability |
| TE Connectivity | 314512-8 Test Hook | Gold-plated beryllium copper contact |
| Pomona Electronics | 6503 Alligator Clip | Ergonomic dual-molded insulation |
| Hirose Electric | HR25 Series High-Current Clip | 15A rating with anti-sparking design |
Key considerations: - Match current/voltage ratings to application requirements - Verify insulation class for safety compliance - Check mechanical compatibility with test points - Evaluate contact material for signal integrity - Consider ergonomics for extended field use
Example: For automotive ECU testing, select IP67-rated clips with 1000V isolation and 5A capacity to ensure reliability in harsh environments.
Emerging trends include: - Miniaturization for microelectronics integration - Smart clips with embedded sensors for real-time feedback - Eco-friendly materials with RoHS compliance - Increased demand for high-frequency capable clips (10GHz+) - Integration with automated test systems via IoT connectivity