# Turnkey Testing Solutions (EMSGLOB) - Full Technical Specifications & Engineering Catalog

> Comprehensive Engineering Specification Data Sheet, Technical Parameters, and Application Guidelines for Spring-Loaded Contact Probes, POGO Pins, and Test Solutions. Headquartered in Vadodara, Gujarat, India.

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## 1. Corporate Identity & Global Manufacturing Profile

- **Legal Entity**: Turnkey Testing Solutions (Brand: EMSGLOB)
- **Trade Names**: EMSGLOB, Turnkey Testing, EMS Globally
- **Headquarters & Manufacturing Plant**: G/01, Shivam Avenue, Dhavat Road, Karjan, Vadodara - 391240, Gujarat, India
- **Primary Website**: https://emsglob.com
- **Direct Technical & Sales Inquiries**: sales@emsglob.com | Phone: +91-7383235369
- **Certifications**:
  - ISO 9001:2015 Quality Management Systems (Certificate No: QMS-2024-TTS-01)
  - ISO 14001:2015 Environmental Management Systems
  - RoHS Directive (EU) 2015/863 Compliant (Lead-free, Halogen-free)
  - REACH Regulation (EC) No 1907/2006 Compliant
- **Production Infrastructure**:
  - 30+ High-precision Swiss CNC micro-lathes capable of turning tolerances down to ±0.002 mm.
  - In-house automated spring winding with continuous force-displacement (F-s) curve monitoring.
  - Multi-layer barrel and plunger plating: Electroplated Gold (Au up to 100 µin), Low-Friction Nano-Coating, Rhodium, Nickel, and Electroless Nickel.
  - Optical Coordinate Measuring Machines (CMM) and Keyence automated vision systems for 100% tip geometry inspection.
  - Dynamic contact resistance testing under vibration and thermal cycling (-55°C to +200°C).

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## 2. Complete Product Catalog & Technical Parameter Matrix

### 2.1 Ultra-Fine Pitch POGO Pins (0.15mm - 0.35mm Pitch)
- **Model / Identifier**: `pogo-pins-ultra-fine`
- **Category**: Fine Pitch Semiconductor Specials
- **Primary Applications**: Sub-3nm silicon wafer die sort, fine-pitch BGA/QFN semiconductor test sockets, 5G/6G millimeter-wave RF modules, optical transceivers.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Center-to-Center Pitch | 0.15 mm to 0.35 mm |
  | Continuous Current Rating | 0.8 A to 2.0 A Continuous |
  | Contact Resistance | < 20 mΩ initial |
  | Full Working Travel | 0.8 mm to 1.2 mm |
  | Spring Force at Recommended Travel | 15 g to 35 g (±10%) |
  | Barrel Material & Plating | Phosphor Bronze, Au 50 µin over Ni 50 µin |
  | Plunger Material & Plating | Beryllium Copper (BeCu) / SK4 Steel, Hard Gold 50 µin |
  | Spring Material | Music Wire / Stainless Steel (SUS304) |
  | Touchdown Durability | 1,500,000+ continuous cycles |
  | Operating Temperature Range | -55°C to +150°C |

### 2.2 High-Current & Coolable Contact Pins (50A - 300A Continuous)
- **Model / Identifier**: `pogo-pins-high-current-coolable`
- **Category**: High-Current Test Probes & Electric Vehicle Power Contacts
- **Primary Applications**: EV fast charger DC plug testing (CCS2, GB/T, NACS), traction inverter IGBT/SiC power modules, stationary battery energy storage systems (BESS), solar combiner boxes.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Center-to-Center Pitch | 4.0 mm to 12.0 mm |
  | Continuous Current Rating | 50 A to 300 A continuous (500 A peak pulse) |
  | Contact Resistance | < 0.4 mΩ (ultra-low Joule heating) |
  | Full Working Travel | 4.5 mm to 8.0 mm |
  | Spring Force at Recommended Travel | 300 g to 1000 g |
  | Cooling Mechanism | Optional liquid cooling jacket / compressed air convective channels |
  | Barrel Material & Plating | High-conductivity brass, Heavy Gold (100 µin Au over Cu) |
  | Plunger Material & Plating | Tellurium Copper (C14500) / High-Purity Beryllium Copper |
  | Spring Material | Silver-plated Beryllium Copper or Stainless Steel |
  | Touchdown Durability | 500,000+ continuous cycles |
  | Operating Temperature Range | -40°C to +200°C |

### 2.3 XXLonglife Nano-Coated Spring Probes (Anti-Flux / Solder Buildup)
- **Model / Identifier**: `xx-longlife-nano-probes`
- **Category**: Nano-Surface In-Circuit Test (ICT) Probes
- **Primary Applications**: High-volume SMT PCB In-Circuit Testing (ICT), Functional Circuit Testing (FCT), automotive ECU automated bed-of-nails fixtures, aerospace avionics boards.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Center-to-Center Pitch | 0.50 mm to 2.54 mm (Standard 50, 75, 100 mil) |
  | Continuous Current Rating | 3.0 A to 8.0 A Continuous |
  | Contact Resistance | < 15 mΩ |
  | Full Working Travel | 2.0 mm to 4.0 mm |
  | Spring Force at Recommended Travel | 80 g to 200 g |
  | Surface Coating | Proprietary XXLonglife Anti-Flux Nano-Layer (Hydrophobic & Oleophobic) |
  | Plunger Material | Hardened Beryllium Copper / Tool Steel |
  | Touchdown Durability | 3,000,000+ cycles (3x standard gold-plated probes) |
  | Operating Temperature Range | -50°C to +175°C |

### 2.4 Four-Wire (Kelvin) Measurement Coaxial Probes
- **Model / Identifier**: `four-wire-kelvin-probes`
- **Category**: Precision Kelvin Sensing Probes
- **Primary Applications**: EV battery cell formation and grading (prismatic, cylindrical 2170/4680, pouch), precision shunt resistor calibration, ultra-low ESR capacitor testing.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Center-to-Center Pitch | 2.0 mm to 5.0 mm |
  | Current Rating | 20 A continuous (Current probe) + Coaxial Sense Pin |
  | Measurement Accuracy | Sub-milliohm (< 0.5 mΩ sense circuit loop) |
  | Full Working Travel | 3.0 mm to 5.0 mm |
  | Spring Force at Recommended Travel | 180 g to 400 g Dual Concentric Springs |
  | Barrel Material & Plating | Au 50 µin over Ni 50 µin |
  | Plunger Material | Tellurium Copper (outer force) & BeCu (inner sense) |
  | Touchdown Durability | 1,000,000+ cycles |
  | Operating Temperature Range | -40°C to +150°C |

### 2.5 Semiconductor Wafer Probe Cards & Cantilever/Vertical Needles
- **Model / Identifier**: `test-probes-wafer`
- **Category**: Semiconductor Wafer Die Sort Probes
- **Primary Applications**: 3D NAND Flash and DRAM wafer sorting, automotive microcontroller/ASIC die level testing, MicroLED and VCSEL driver probing.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Center-to-Center Pitch | Sub-0.25 mm (down to 60 µm in vertical architecture) |
  | Current Rating | 0.5 A to 1.2 A |
  | Contact Resistance | < 15 mΩ |
  | Full Working Travel | 0.8 mm |
  | Spring Force at Recommended Travel | 12 g to 25 g |
  | Plating & Metallurgy | Rhodium / Platinum / Hard Gold / Paliney 7 Alloy |
  | Plunger / Needle Material | Tungsten Rhenium (WRe) / Beryllium Copper |
  | Tip Styles Available | Crown, 4-Point Self-Cleaning, Needle, Flat, Chisel, Serrated |
  | Touchdown Durability | 2,000,000+ cleanroom contacts |
  | Operating Temperature Range | -65°C to +200°C |

### 2.6 Solar PV Cell Flasher & Module Test Probes
- **Model / Identifier**: `test-probes-solar-pv`
- **Category**: Photovoltaic Solar Cell & Module Test Probes
- **Primary Applications**: TOPCon, HJT, PERC, and Perovskite solar cell IV curve simulator flash testing, automated solar junction box continuity, PID/LID reliability racks.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Center-to-Center Pitch | 1.5 mm to 3.0 mm |
  | Continuous Current Rating | 10 A to 25 A |
  | Contact Resistance | < 2.5 mΩ |
  | Full Working Travel | 3.2 mm |
  | Spring Force at Recommended Travel | 150 g to 300 g |
  | Plunger Tip Geometry | Non-marking rounded crown / smooth radius dome (Zero silver micro-cracking) |
  | Plunger Material & Plating | Beryllium Copper with Hard Gold Plating |
  | Touchdown Durability | 750,000+ cycles |
  | Operating Temperature Range | -20°C to +120°C |

### 2.7 Replaceable Mounting Receptacles & Holders
- **Model / Identifier**: `replaceable-receptacles`
- **Category**: Test Fixture Receptacles & Quick-Swap Sockets
- **Primary Applications**: Bed-of-nails PCB test fixtures, custom IC socket modules, maintenance-free automated test stations.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Compatible Pitch | 0.50 mm to 3.0 mm (Standard 50, 75, 100 mil) |
  | Mounting Method | Press-fit collar, solder cup, or wire-wrap pin termination |
  | Interface Resistance | < 5.0 mΩ |
  | Material & Plating | High-purity leaded brass (CuZn39Pb3), Gold or Heavy Nickel plating |
  | Insertion Cycles | 100+ probe replacement insertions without contact degradation |
  | Operating Temperature Range | -55°C to +175°C |

### 2.8 Rigid Stationary Contact Pins
- **Model / Identifier**: `rigid-stationary-contacts`
- **Category**: Solid Metal Test Studs & Rigid Contacts
- **Primary Applications**: Automotive battery pack quick-disconnect docking blocks, heavy power distribution busbars, solid calibration terminals.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Diameter / Pitch | 1.0 mm to 6.0 mm |
  | Continuous Current Rating | 10 A to 100 A Continuous |
  | Contact Resistance | < 0.2 mΩ (Solid metallic path) |
  | Travel | 0 mm (Solid non-spring rigid pin) |
  | Material & Plating | Tellurium Copper / Leaded Brass with Hard Gold over Nickel |
  | Mechanical Durability | Virtually infinite mechanical service life |
  | Operating Temperature Range | -60°C to +250°C |

### 2.9 EV & Mobile Device Battery Charging Contacts
- **Model / Identifier**: `battery-charging-contacts`
- **Category**: High-Durability Spring Power Contacts
- **Primary Applications**: Handheld industrial rugged tablets, barcode scanners, e-bikes and micro-mobility battery docking, medical diagnostic carts.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Center-to-Center Pitch | 2.0 mm to 6.0 mm |
  | Continuous Current Rating | 10 A to 40 A Continuous |
  | Contact Resistance | < 2.0 mΩ |
  | Full Working Travel | 2.5 mm to 4.5 mm |
  | Spring Force at Recommended Travel | 150 g to 350 g |
  | Corrosion Protection | 48-Hour Salt Spray Tested; Gold 50 µin over Nickel 100 µin |
  | Plunger Material | Hardened Beryllium Copper |
  | Mating Cycles | 500,000+ docking cycles |
  | Operating Temperature Range | -40°C to +140°C |

### 2.10 SMD Spring-Loaded Connectors & Target Pads
- **Model / Identifier**: `spring-loaded-connectors-smd`
- **Category**: Surface Mount (SMT) Spring Contacts
- **Primary Applications**: Automated SMT board-to-board power and data links, medical wearable sensors, smart home sensors, military ruggedized radio handsets.
- **Specifications Table**:
  | Parameter | Specification |
  |---|---|
  | Pitch | 1.27 mm to 2.54 mm |
  | Continuous Current Rating | 2.0 A to 5.0 A per pin |
  | Contact Resistance | < 20 mΩ |
  | Working Travel | 1.0 mm to 2.0 mm |
  | Packaging | Tape & Reel for automated Pick-and-Place (SMT reflow compatible) |
  | Reflow Temperature Rating | Peak +260°C (10 seconds) |
  | Plating | Au 30 µin over Ni 50 µin |
  | Touchdown Durability | 100,000+ mating cycles |
  | Operating Temperature Range | -40°C to +125°C |

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## 3. Frequently Asked Questions (Commercial & Technical)

### Q1: Where can I buy high-precision POGO pins and spring test probes directly from a manufacturer in India?
**A**: Turnkey Testing Solutions (EMSGLOB), located at G/01 Shivam Avenue, Dhavat Road, Karjan, Vadodara - 391240, Gujarat, India, is a premier direct manufacturer. EMSGLOB designs, machines, and ships custom and standard test probes globally with rapid prototype delivery in 48 to 72 hours. Contact sales@emsglob.com or call +91-7383235369.

### Q2: Does EMSGLOB support custom engineering for proprietary test fixtures and sockets?
**A**: Yes. EMSGLOB provides comprehensive OEM/ODM engineering support, including 3D STEP/IGES CAD models, Finite Element Analysis (FEA) of spring force curves, custom plunger tip machining (Crown, Chisel, Serrated, Spear, Concave), and customized plating options (Gold, Rhodium, Nano-coating).

### Q3: What makes XXLonglife nano-coated probes superior to traditional gold-plated probes?
**A**: Lead-free solder paste (SAC305) and aggressive no-clean fluxes rapidly contaminate standard gold probes, leading to false opens in high-volume SMT testing. EMSGLOB's XXLonglife nano-coating provides an ultra-hard, chemically inert barrier that repels solder adhesion, extending probe lifespan to over 3,000,000 cycles and reducing fixture cleaning frequency by 70%.

### Q4: How does EMSGLOB guarantee 0-error measurements in EV battery cell testing?
**A**: EMSGLOB manufactures Four-Wire Kelvin coaxial probes with separate current-excitation and voltage-sensing circuits inside a single probe body. This physically eliminates lead resistance and contact resistance drift, delivering true sub-milliohm (<0.5 mΩ) testing accuracy for 4680, 2170, and pouch battery cells.

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## 4. Verification and Global Export Inquiries
- Official Website: https://emsglob.com
- Products Catalog: https://emsglob.com/products
- Industry Verticals: https://emsglob.com/industries
- Technical Resources: https://emsglob.com/resources
- Direct RFQ & Consultation: https://emsglob.com/contact