| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
NTE Electronics, Inc. |
CLIP + INSULATOR KIT |
1 |
|
 |
NTE Electronics, Inc. |
PLIER CLIP STL NON-INSUL 50A 2PC |
0 |
|
 |
NTE Electronics, Inc. |
CLIP + INSULATOR KIT |
4 |
|
 |
Mueller Electric Co. |
CLAMP CLIP STEEL NON-INSUL 150A |
19867 |
|
 |
NTE Electronics, Inc. |
LARGE CROCODILE CLIP 1KV |
92 |
|
 |
TPI (Test Products International) |
HD CLIP COPPER NON-INSULATED 40A |
500 |
|
 |
Cal Test Electronics |
GATOR CLIP STEEL INSULATED 36A |
5 |
|
 |
Keystone Electronics Corp. |
GATOR CLIP STEEL INSULATED |
2551700 |
|
 |
Pomona Electronics |
GATOR CLIP STEEL NON-INSULATED |
467 |
|
 |
Mueller Electric Co. |
GATOR CLIP STEEL NON-INSUL 5A |
289373100 |
|
 |
NTE Electronics, Inc. |
ALLIGATOR CLIP INS 10A WT |
2348 |
|
 |
Mueller Electric Co. |
TELECOM CLIP SILVER NON-INSUL |
125 |
|
 |
TPI (Test Products International) |
CROC CLIP INSULATED 500MA |
0 |
|
 |
Cal Test Electronics |
LG ALLIGATOR CLIP, 4MM SHTH J, C |
2 |
|
 |
NTE Electronics, Inc. |
ALLIGATOR CLIP STEEL W/BLK INSUL |
2165 |
|
 |
TPI (Test Products International) |
CROC CLIP INSULATED 10A |
42250 |
|
 |
Mueller Electric Co. |
HD CLIP COPPER NON-INSULATED 75A |
138138783 |
|
 |
NTE Electronics, Inc. |
ALLIGATOR CLIP STEEL |
0 |
|
 |
E-Z-Hook |
GATOR CLIP STEEL INSULATED |
151 |
|
 |
TPI (Test Products International) |
GATOR CLIP INSULATED 10A |
0 |
|
Alligator, Crocodile, and Heavy Duty test clips are specialized electrical connectors used for temporary connections in testing and measurement applications. These clips enable secure attachment to conductors, components, or devices under test (DUTs) while ensuring electrical continuity and safety. Their importance spans across electronics manufacturing, automotive diagnostics, power systems, and research laboratories, where reliable signal transmission and high-current capacity are critical.
| Type | Functional Features | Application Examples |
|---|---|---|
| Alligator Clips | Lightweight, spring-loaded jaws with serrated edges for low-current (up to 1A) connections | PCB testing, battery terminal connections, signal tracing |
| Crocodile Clips | Medium-duty design with wider jaws (2-10A capacity) and insulation sleeves | Automotive wiring diagnostics, power supply testing, electrochemistry |
| Heavy Duty Clips | High-current (10-100A) rated with reinforced jaws and heat-resistant materials | Industrial motor testing, battery bank analysis, high-power electronics |
Typical construction includes: - **Jaw Assembly**: Made from phosphor bronze or beryllium copper with nickel/platinum plating - **Spring Mechanism**: Stainless steel springs for consistent clamping force - **Insulation Housing**: Thermoplastic elastomer (TPE) or polyvinyl chloride (PVC) sleeves - **Termination**: 4mm banana plug, BNC connector, or solder terminal options - **Contact Points**: Replaceable tungsten carbide tips for high-wear applications
| Parameter | Typical Range | Importance |
|---|---|---|
| Current Rating | 0.5A - 100A | Determines power handling capability |
| Voltage Rating | 30V - 1000V | Ensures dielectric strength and safety |
| Wire Size Compatibility | AWG 10-28 | Affects connection reliability |
| Contact Resistance | <5m | Minimizes measurement errors |
| Operating Temperature | -20 C to +125 C | Defines environmental suitability |
Key industries include: - **Electronics Manufacturing**: SMT reflow oven calibration, component testing - **Automotive**: ECU diagnostics, starter motor analysis, battery pack validation - **Energy Systems**: Solar inverter testing, wind turbine controller verification - **Research Labs**: Material resistance testing, prototype validation - **Aerospace**: Avionics harness continuity checks, fuel cell characterization
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Keysight Technologies | N285xA High-Current Clips | 150A rating with thermal protection |
| Fluke Corporation | T80 Series Test Leads | Cat IV 600V safety rating |
| TE Connectivity | MicroCrocodile Clips | 0.1A precision for medical device testing |
| Pomona Electronics | 6520A Heavy Duty Clips | Corrosion-resistant marine-grade plating |
Key consideration factors: - Match current/voltage ratings to application requirements - Verify jaw opening size for DUT geometry compatibility - Choose appropriate insulation level for working voltage - Consider tip material for contact resistance stability - Evaluate environmental requirements (temperature, humidity) - Prioritize safety certifications (IEC 61010, UL 61010)
Example: For 12V automotive battery testing, select Crocodile clips with minimum 10A rating, 20mm jaw opening, and PVC insulation.
Current development directions include: - Integration with smart test systems via IoT connectivity - Adoption of carbon fiber reinforced polymer (CFRP) materials for weight reduction - Enhanced EMI shielding for high-frequency measurement applications - Standardization of color-coded insulation for improved safety - Development of self-cleaning contact surfaces using nanocoatings