Test Clips - Alligator, Crocodile, Heavy Duty

Image Part Number Description / PDF Quantity Rfq
930122000

930122000

Altech Corporation

GATOR CLIP STAINLESS STEEL 4A

74400

930317804

930317804

Altech Corporation

ALLIGATOR CLIP MA 1 GRN 2MM SOCK

50

973584102

973584102

Altech Corporation

GATOR CLIP BRASS/BRONZE INSUL 8A

0

972405102

972405102

Altech Corporation

GATOR CLIP BRASS 32A

0

930318100

930318100

Altech Corporation

ALLIGATOR CLIP MA 1 CRIMP BLK 05

55

973889101

973889101

Altech Corporation

GATOR CLIP BRONZE 15A

75

973584100

973584100

Altech Corporation

GATOR CLIP BRASS/BRONZE INSUL 8A

0

932146101

932146101

Altech Corporation

ALLIGATOR CLIP AK 2 S RED 4MM SO

140

603006001

603006001

Altech Corporation

ALLIGATOR CLIP AGS20 STEEL 4MM S

245

930120000

930120000

Altech Corporation

ALLIGATOR CLIP AGF20 STEEL 4MM S

95

930318107

930318107

Altech Corporation

ALLIGATOR CLIP MA 1 CRIMP WHITE

45

930126100

930126100

Altech Corporation

ALLIGATOR CLIP AK 10 BLK 4MM SOC

0

973584107

973584107

Altech Corporation

GATOR CLIP BRASS/BRONZE INSUL 8A

0

930126104

930126104

Altech Corporation

ALLIGATOR CLIP AK 10 GRN 4MM SOC

0

930126101

930126101

Altech Corporation

ALLIGATOR CLIP AK 10 RED 4MM SOC

4200

930317807

930317807

Altech Corporation

ALLIGATOR CLIP MA 1 WHITE 2MM SO

0

930318103

930318103

Altech Corporation

ALLIGATOR CLIP MA 1 CRIMP YEL 05

35

930317802

930317802

Altech Corporation

ALLIGATOR CLIP MA 1 BLUE 2MM SOC

50

931272101

931272101

Altech Corporation

ALLIGATOR CLIP AGF2 RED 4MM SOCK

45

930126103

930126103

Altech Corporation

ALLIGATOR CLIP AK 10 YEL 4MM SOC

0

Test Clips - Alligator, Crocodile, Heavy Duty

1. Overview

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.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Alligator ClipsLightweight, spring-loaded jaws with serrated edges for low-current (up to 1A) connectionsPCB testing, battery terminal connections, signal tracing
Crocodile ClipsMedium-duty design with wider jaws (2-10A capacity) and insulation sleevesAutomotive wiring diagnostics, power supply testing, electrochemistry
Heavy Duty ClipsHigh-current (10-100A) rated with reinforced jaws and heat-resistant materialsIndustrial motor testing, battery bank analysis, high-power electronics

3. Structure and Components

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

4. Key Technical Specifications

ParameterTypical RangeImportance
Current Rating0.5A - 100ADetermines power handling capability
Voltage Rating30V - 1000VEnsures dielectric strength and safety
Wire Size CompatibilityAWG 10-28Affects connection reliability
Contact Resistance<5m Minimizes measurement errors
Operating Temperature-20 C to +125 CDefines environmental suitability

5. Application Fields

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

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Keysight TechnologiesN285xA High-Current Clips150A rating with thermal protection
Fluke CorporationT80 Series Test LeadsCat IV 600V safety rating
TE ConnectivityMicroCrocodile Clips0.1A precision for medical device testing
Pomona Electronics6520A Heavy Duty ClipsCorrosion-resistant marine-grade plating

7. Selection Guidelines

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.

8. Industry Trends

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

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