CHANZON Single Row Female Pin Header Instruction Manual

1. Introduction

This manual provides essential information for the safe and effective use of CHANZON Single Row Female Pin Headers. These connectors are designed for various electronic projects, including Arduino, Raspberry Pi, and general circuit board applications. Please read this manual thoroughly before installation and operation.

2. Safety Warnings

WARNING: Failure to comply with these provisions may result in poor pin contact, loss of conductivity, circuit short circuits, equipment damage, or electric shock.

• Never exceed the rated current or voltage. Overcurrent/overvoltage can cause overheating, plating delamination, excessive contact resistance, or circuit breakage.
• Do not store or use in high-humidity (>85%), strong corrosive atmospheres (sulfides, chlorides), high-dust, or salt fog environments, as this can cause oxidation and housing aging.
• Always disconnect power before installation, soldering, or mating to prevent short circuits, arc burns, or other hazards.
• Do not disassemble, grind, or manually bend pin cores. Forceful bending may deform pins and impair elasticity.
• During soldering, never use heating equipment exceeding the housing's temperature rating. Avoid prolonged contact of high-temperature soldering irons with the housing.
• When mating headers, ensure precise alignment. Do not force-mate or skew-insert.
• Store headers out of reach of children and pets to prevent injuries.
• Wear anti-static finger cots during handling to prevent electrostatic dust adhesion.
• Discarded headers are electronic waste; dispose of them at designated e-waste recycling facilities.
• Do not place sharp metal parts within 5 mm of the header to prevent metal debris from falling into pin gaps and causing short circuits.

3. Product Overview

CHANZON Female Pin Headers are essential components for creating reliable electrical connections on printed circuit boards (PCBs) and breadboards. They feature a standard 2.54mm pitch, gold-plated contacts for enhanced conductivity and corrosion resistance, and are constructed from high-temperature resistant plastic.

Figure 3.1: Various CHANZON Female Pin Headers (2-pin to 40-pin)

Key Features:

• Standard Pitch: 2.54mm (0.1 inch) for broad compatibility.
• Gold Plated Contacts: 1µ" gold plating ensures better contact, anti-corrosion properties, and longevity without oxidation.
• High-Quality Plastic: Made from PA6T+30%G.F material, providing high temperature resistance and sturdy construction, preventing melting or burning.
• Sturdy Pins: Designed to be robust, preventing breakage and detachment.
• RoHS Compliant: Environmentally friendly materials.
• Versatile Pin Counts: Available in 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, and 40-pin configurations.

Figure 3.2: Key Features and Advantages

Figure 3.3: Detailed View of Gold Plating, Plastic, and Pins

Applications:

These pin headers are ideal for a wide range of electronic projects, including:

• Arduino boards
• Raspberry Pi projects
• General electronic circuits
• Electrical instruments
• DIY electronic prototyping

Figure 3.4: Typical Applications

4. Specifications

General Specifications:

• Brand: CHANZON
• Model Number: 2.54 pins headers
• Pitch: 2.54mm (0.1 inch)
• Contact Type: Female
• Number of Rows: Single Row
• Degrees: 180° (Straight)
• Contact Plating: Gold Plated (1µ")
• Insulator Material: PA6T+30%G.F (High Temperature Resistant Plastic)
• RoHS Compliant: Yes
• Origin: Mainland China

Dimensional Specifications:

All dimensions are approximate and in millimeters (inches).

Figure 4.1: Dimensions for 2-pin to 8-pin Headers

Figure 4.2: Dimensions for 10-pin to 40-pin Headers and Pin Structure

5. Setup and Installation

Through-Hole Pin Header Soldering Guidelines:

These guidelines apply to Pin-in-Paste, Wave Soldering, or Manual Soldering methods.

Manual Soldering:

• Tools: Temperature-controlled, anti-static soldering iron (approx. 30W).
• Temperature: Set to 350°C ± 20°C (for PA66 housing) or 380°C ± 20°C (for high-temp housing).
• Requirements: Single-solder duration should be less than 3 seconds per pin. The soldering iron tip must contact only the PCB pad and pin root, never the plastic housing. Solder volume should fully cover the pin root and pad, avoiding excess solder bridging.

Wave Soldering:

• Temperature: Solder pot temperature 260°C ± 5°C.
• Board Dwell Time: Less than 5 seconds.
• Protection: PA66-housing headers require high-temperature protection (e.g., heat-resistant sleeves) to prevent housing melting. Allow natural cooling post-soldering; forced air cooling is prohibited.

General Installation:

• The header housing must sit flush against the PCB surface, with no looseness or tilt. Pin perpendicularity deviation should be less than 0.5 mm.
• When installing multiple headers side-by-side, maintain at least 5 mm spacing for adequate soldering heat dissipation and subsequent mating clearance.
• After soldering, inspect pin gaps and promptly remove excess solder or solder slag to prevent short circuits.

Surface-Mount (SMD) Pin Header Mounting Guidelines (Reflow Soldering Compatible):

• Pre-Mounting: After opening, allow headers to acclimate for 2 hours under ambient temperature/humidity. Ensure PCB pads are clean and free of oil or oxidation. Ground the pick-and-place machine for ESD protection.
• Mounting Parameters: Vacuum nozzle size must match header housing dimensions. Mounting pressure: 5-10 N. Center alignment offset between header and pad should be less than 0.1 mm. Housing must lie flat against the PCB without warping.
• Reflow Soldering: Peak temperature 260°C ± 5°C, peak dwell time 10 seconds. Preheat zone (150-180°C) soak time: 60-90 seconds. Multiple reflow passes are prohibited (max 2 total) to prevent plating delamination and housing aging.
• Post-Processing: Allow natural cooling after reflow. Verify insulation integrity between adjacent pins using a multimeter – no short circuits permitted before use.

6. Operating Requirements

Mating and Operational Requirements:

• Compatible Pairing: Headers must be mated exclusively with matching-pitch, same-row-count, and same-pin-count female headers/shrouded headers/crimp terminals. Mismatched mating may deform pins or cause incomplete engagement.
• Precise Mating: Align with locating slots/guide pins and mate/unmate vertically with uniform force. A distinct "click" or tactile snap confirms full engagement and ensures optimal pin-to-mate contact.
• Anti-Loosening Fixation: In vibration-prone applications (e.g., automotive, industrial control), reinforce the header housing with hot-melt adhesive or mounting brackets to prevent long-term loosening or intermittent contact due to vibration.
• Current Distribution: For high-current circuits, use parallel-pinning configurations (e.g., two pins in parallel for 3A load) to avoid overloading individual pins.
• Protective Measures: When used outdoors or in harsh environments, install waterproof/dustproof protective boots at the mating interface; apply rust- and oxidation-inhibiting grease to exposed pin surfaces (except for gold-plated versions).

7. Maintenance

Storage Requirements:

• Unopened products must be sealed and stored in ambient temperature (25°C ± 5°C), ambient humidity (relative humidity 40%-70%), non-corrosive, non-sunlit, and low-magnetic-field environments – away from heat sources, water, and dust.
• Shelf Life: Under sealed, ESD-safe packaging, tin-plated versions have a 2-year shelf life and gold-plated versions a 3-year shelf life (from manufacturing date). Expired units must undergo inspection of pin plating integrity and insulation resistance prior to use.
• Opened products must be used within 72 hours. Remaining units must be resealed in ESD vacuum bags containing desiccant and anti-static agents to prevent pin oxidation and moisture absorption.
• Tube- or reel-packaged headers must not be squeezed or dropped, as this may bend pins or deform housings. Reels must be stored upright to prevent header fallout.

Routine Maintenance and Inspection:

• Before powering up equipment, inspect header appearance: housing must show no cracks or deformation; pins must be straight, unoxidized, and securely retained; pin gaps must be free of solder slag or dust. Use a multimeter to test insulation resistance between adjacent pins (≥ 1000 MΩ is acceptable).
• During equipment operation, periodically verify header mating status: no looseness or misalignment; no abnormal heating at mating interfaces (heating indicates poor contact); in vibration environments, inspect fixation monthly.
• For frequently mated headers (>10 times/month), clean pin surfaces every 3 months using lint-free alcohol swabs to remove oxidation layers and dust accumulated through contact – improving conductivity.

8. Troubleshooting

Immediately discontinue use and replace with identical-specification new units upon observing any of the following:

• Bent, deformed, or detached pins preventing normal mating.
• Plating delamination, blackening, or oxidation on pins, resulting in excessive contact resistance.
• Housing cracking, melting, or deformation causing short circuits across pin gaps.
• Intermittent connectivity (on/off) after mating, indicating poor contact.

9. User Tips

• Soldering Quality: Users have noted good quality and tin adhesion. Ensure proper soldering techniques (as outlined in Section 5) for optimal electrical and mechanical connections.
• Product Verification: Always double-check the pin count and dimensions of the headers against your project requirements before installation to ensure an exact fit.

10. Frequently Asked Questions (FAQ)

Q: What is the pitch of these connectors?

A: The pitch of these CHANZON Female Pin Headers is 2.54mm (0.1 inch), making them compatible with standard breadboards and PCBs.

Q: Are these suitable for high-temperature applications?

A: Yes, these pin headers are made from PA6T+30%G.F plastic, which provides high temperature resistance, making them suitable for applications where heat may be a factor.

Q: Can these be used with male headers?

A: Yes, these female pin headers are designed to mate with corresponding 2.54mm pitch male headers for secure and reliable connections.

11. Warranty and Support

For any questions, technical support, or warranty inquiries, please contact your retailer or the manufacturer directly. Please have your product model and purchase information ready when contacting support.