RTA Series Thick Film Array Chip Resistors

The RTA series thick film array chip resistors are lead-free and halogen-free, compliant with RoHS directives. These resistors are designed for general electronic applications.

Product Attributes

• Brand: RALEC
• Certifications: RoHS compliant, Lead-free, Halogen-free

Technical Specifications

Operating Temperature Range: -55 ~ +155

Type Name Example: RTA 02 - 4 D 100 J TH

• Type: Thick Film Array Chip Resistor
• Size: 02 (0402), 03 (0603)
• Number of Circuits: 2 (2 circuits), 4 (4 circuits), 8 (8 circuits)
• Electrode Structure: D (Convex electrode), C (Concave electrode)
• Resistance Value: 3-digit (e.g., 10=100), 4-digit (e.g., 10.2=10R2)
• Tolerance: D (0.5%), F (1%), J (5%)
• Packaging Type: TH (2mm Pitch Carrier Tape, 10000 pcs), H2 (2mm Pitch Carrier Tape, 20000 pcs), H3 (2mm Pitch Carrier Tape, 30000 pcs), H4 (2mm Pitch Carrier Tape, 40000 pcs), 5H (2mm Pitch Carrier Tape, 50000 pcs), TP (4mm Pitch Carrier Tape, 5000 pcs), P2 (4mm Pitch Carrier Tape, 10000 pcs), P3 (4mm Pitch Carrier Tape, 15000 pcs), P4 (4mm Pitch Carrier Tape, 20000 pcs)

Structure Diagram: Provided for D (Convex) and C (Concave) types, illustrating ceramic substrate, electrodes, resistive layer, protective coatings, and plating.

Reliability Test Items: Includes Electrical Performance Tests (Temperature Coefficient, Short Time Overload, Insulation Resistance, Dielectric Withstand Voltage, Intermittent Overload), Mechanical Performance Tests (Resistance to Solvent, Solderability, Resistance to Soldering Heat, Joint Strength of Solder), and Environmental Tests (Resistance to Dry Heat, Thermal Shock, Loading Life in Moisture, Load Life).

Plating Thickness: Nickel layer (Ni) 2m, Pure Tin layer (Sn) 3m (matte tin).

Technical Application Notes: Recommended soldering conditions (Lead Free IR-Reflow, Soldering Iron) and Land Pattern Design for Reflow Soldering are provided. Notes on usage environment, transient overload, handling, and storage are also included.

Storage and Handling Conditions: Recommended storage environment (255, 6015% RH) for two years. Avoid corrosive environments, direct sunlight, and condensation. Ensure correct box orientation and prevent dropping or squeezing.

Labeling: Outer box will be labeled with Electronic Information Product Pollution Control Mark and Packaging Recycling Mark for export to mainland China.

Legal Disclaimer: RALEC disclaims liability for errors or incompleteness in product information and reserves the right to make changes without notice. RALEC does not warrant suitability for special purposes or continuous production. The product is defined for general electronic use and not for automotive, medical life support, or applications where failure could cause injury or death. Technical advice is provided free of charge, and the buyer assumes all risks associated with its use.