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Test Clips - Grabbers, Hooks

Image Part Number Description / PDF Quantity Rfq
XL1 RED

XL1 RED

E-Z-Hook

MINI-HOOK RED SOLDER 0.093"

44
XM25BRN

XM25BRN

E-Z-Hook

MICRO-HOOK BROWN 0.025" SQ PIN

0
XMBLU

XMBLU

E-Z-Hook

MICRO-HOOK BLUE SOLDER 0.093"

0
XR25RED

XR25RED

E-Z-Hook

MINI-HOOK RED 0.025" SQ PIN

0
X100W-NM

X100W-NM

E-Z-Hook

MINI-HOOK RED SOLDER 0.093"

0
8102GRN

8102GRN

E-Z-Hook

TERMINAL CLIP GREEN BANANA PLUG

0
XKMVLT

XKMVLT

E-Z-Hook

MICRO-HOOK VIOLET 0.025" SQ PINS

0
XRWTE

XRWTE

E-Z-Hook

MINI-HOOK WHITE SOLDER 0.093"

0
X2015WTE

X2015WTE

E-Z-Hook

MICRO-PINCER WHITE 0.030" PIN

0
XR25WTE

XR25WTE

E-Z-Hook

MINI-HOOK WHITE 0.025" SQ PIN

0
XKMORN

XKMORN

E-Z-Hook

MICRO-HOOK ORANGE 0.025" SQ PINS

0
XR25VLT

XR25VLT

E-Z-Hook

MINI-HOOK VIOLET 0.025" SQ PIN

0
XM25GRN

XM25GRN

E-Z-Hook

MICRO-HOOK GREEN 0.025" SQ PIN

0
XMBRN

XMBRN

E-Z-Hook

MICRO-HOOK BROWN SOLDER 0.093"

0
XRVLT

XRVLT

E-Z-Hook

MINI-HOOK VIOLET SOLDER 0.093"

0
XKMBRN

XKMBRN

E-Z-Hook

MICRO-HOOK BROWN 0.025" SQ PINS

0
XMGRN

XMGRN

E-Z-Hook

MICRO-HOOK GREEN SOLDER 0.093"

0
XM25VLT

XM25VLT

E-Z-Hook

MICRO-HOOK VIOLET 0.025" SQ PIN

0
X2015ORN

X2015ORN

E-Z-Hook

MICRO-PINCER ORANGE 0.030" PIN

0
XM25GRY

XM25GRY

E-Z-Hook

MICRO-HOOK GRAY 0.025" SQ PIN

0

Test Clips - Grabbers, Hooks

1. Overview

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.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Alligator ClipsSpring-loaded jaws with serrated edges for secure gripBattery testing, automotive diagnostics
Hook ClipsOpen-hook design for easy attachment to terminalsPCB testing, relay circuit analysis
Mini GrabbersCompact jaws with fine contact pointsSMT component testing, aerospace electronics
High-Current ClipsLarge contact area with reinforced structurePower supply testing, industrial machinery diagnostics
Insulated Test Hooks360 rotating head with color-coded insulationTelecom equipment maintenance, semiconductor testing

3. Structure and Components

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)

4. Key Technical Specifications

ParameterValue RangeImportance
Current Rating1-20AEnsures safe high-power measurements
Voltage Isolation300-1000VPrevents electrical hazards
Contact Resistance1-10m Maintains signal accuracy
Operating Temperature-40 C to +150 CGuarantees performance stability
Dielectric Strength2-10kVProtects against insulation breakdown
Clamping Force0.5-5NPrevents accidental disconnection

5. Application Fields

  • Electronics Manufacturing: PCB assembly verification, component testing
  • Power Systems: Transformer diagnostics, switchgear maintenance
  • Telecommunications: Fiber optic equipment testing, RF circuit analysis
  • Automotive: ECU testing, battery management system validation
  • Research & Education: Lab experiments, prototype verification

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Feature
Fluke CorporationT81031 Hook ClipRotating head with 600V isolation
Keysight TechnologiesN287xA Series Grabber1GHz bandwidth capability
TE Connectivity314512-8 Test HookGold-plated beryllium copper contact
Pomona Electronics6503 Alligator ClipErgonomic dual-molded insulation
Hirose ElectricHR25 Series High-Current Clip15A rating with anti-sparking design

7. Selection Guidelines

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.

8. Industry Trends

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

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