RK73H1JTTD2R2F: Premium 2.2 Ohm Surface Mount Chip Resistor for Demanding Applications

The RK73H1JTTD2R2F from KOA Speer Electronics represents the gold standard in surface mount chip resistors, combining precision engineering with robust construction. This 2.2 Ohm thick film resistor delivers exceptional performance in critical applications ranging from automotive systems to industrial automation and telecommunications infrastructure.

Unmatched Quality from KOA Speer Electronics

As a global leader in passive component manufacturing, KOA Speer Electronics has built a reputation for producing reliable, high-performance resistors that meet the most stringent industry requirements. The RK73H1JTTD2R2F exemplifies this commitment to excellence, featuring:

• AEC-Q200 qualification for automotive applications
• ISO 9001 and IATF 16949 certified manufacturing
• RoHS compliance for environmental safety
• 100% automated optical inspection for quality assurance

Detailed Technical Specifications

Precision Resistance Characteristics

• Resistance Value: 2.2 1% (EIA value D2R2)
• Tolerance: 1% (F grade)
• Temperature Coefficient: 200 ppm/ C
• Resistance Material: Ruthenium oxide-based thick film

The tight 1% tolerance ensures precise current control in voltage divider networks, current sensing applications, and impedance matching circuits. The stable temperature coefficient maintains consistent performance across the entire operating range.

Robust Power Handling

• Rated Power: 0.125W (1/8W) at 70 C
• Maximum Overload Voltage: 100V
• Derating Curve: Linear derating to 0W at 155 C

Engineers can trust this component to handle typical power requirements in compact designs while maintaining long-term reliability. The thick film construction provides excellent pulse handling capability for transient conditions.

Environmental Durability

• Operating Temperature Range: -55 C to +155 C
• Moisture Resistance: Passes 85 C/85% RH testing
• Termination Stability: Excellent resistance to sulfurization
• Flame Retardancy: UL94 V-0 compliant

These characteristics make the RK73H1JTTD2R2F particularly suitable for under-hood automotive applications, outdoor electronics, and industrial control systems exposed to harsh environments.

Physical Dimensions and Mounting

• Package Type: 0603 (1608 metric)
• Dimensions: 1.6mm 0.8mm 0.45mm (L W H)
• Termination: Matte tin-plated copper with nickel barrier
• Mounting: Compatible with standard SMT processes including reflow soldering

The compact 0603 footprint allows for high-density PCB layouts while maintaining excellent solderability. The robust termination ensures reliable connections even under mechanical stress and thermal cycling.

Comprehensive Applications

The RK73H1JTTD2R2F serves critical functions across multiple industries:

Automotive Electronics

• Engine control units (ECUs)
• LED lighting drivers
• Sensor interface circuits
• Infotainment systems

Industrial Equipment

• PLC input/output modules
• Motor drive circuits
• Power supply feedback networks
• Process control instrumentation

Consumer Electronics

• Smartphone power management
• IoT device circuitry
• Audio/video equipment
• Gaming console components

Competitive Advantages

1. Automotive-Grade Reliability: AEC-Q200 qualification ensures performance in mission-critical vehicle systems
2. Precision Performance: 1% tolerance meets the needs of sensitive analog circuits
3. Space Efficiency: 0603 package saves valuable PCB real estate
4. Environmental Resilience: Withstands temperature extremes, humidity, and vibration
5. Manufacturing Consistency: Tight process controls guarantee uniform quality

Technical Support and Resources

KOA Speer provides comprehensive support for design engineers working with the RK73H1JTTD2R2F:

• Detailed datasheets with performance curves
• SPICE models for circuit simulation
• Application notes for optimal PCB layout
• Reliability test reports
• Custom tape and reel packaging options

Conclusion

The RK73H1JTTD2R2F stands out as a premium choice for designers requiring a reliable, precise 2.2 Ohm resistor in compact SMT packaging. Its combination of automotive qualification, tight tolerance, and robust construction makes it particularly valuable for applications where failure is not an option. Whether you're designing advanced driver assistance systems (ADAS), industrial automation controls, or next-generation consumer electronics, this component delivers the performance and reliability your design demands.

For volume pricing, samples, or technical assistance with the RK73H1JTTD2R2F, contact KOA Speer Electronics or visit their official website today. Partner with a component manufacturer that understands the critical nature of your resistor requirements.