RN731JTTD1450D25 KOA Speer Resistor (Resistor Chip) In Stock
KOA Speer RN731JTTD1450D25 is a thin-film SMD resistor in an 0603 package with 145 Ohms resistance, 0.5% tolerance, and a 25 PPM/°C temperature coefficient. It is RoHS-compliant and designed for precision analog and signal-conditioning circuits. Available from stock with worldwide shipping.
- Manufacturer
- KOA Speer
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- OBSOLETE
- Datasheet
- RN731JTTD1450D25 Datasheet PDF
- Category
- Resistor
- Temp Range
- -55.0°C to 155.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of RN731JTTD1450D25?
- 145 Ohm thin-film resistor with tight 0.5% tolerance for precision analog circuit applications
- Ultra-low 25 PPM/°C temperature coefficient ensures stable resistance across wide temperature ranges
- Compact 0603 (1.6 mm x 0.8 mm) SMD package suitable for high-density PCB layouts
- RoHS-compliant (Pb-free) construction meeting JESD-609 e3 environmental standards
What is RN731JTTD1450D25 used for?
The RN731JTTD1450D25 is ideal for precision analog signal conditioning, feedback networks, and voltage divider circuits in industrial instrumentation, medical devices, and telecommunications equipment where stable 145 Ohm resistance with low temperature drift is required. Its 0603 thin-film construction and 25 PPM/°C coefficient make it an excellent choice for high-accuracy measurement and calibration circuits that must maintain performance from -55°C to +155°C.
What are the specifications of RN731JTTD1450D25?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 0 |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.45mm |
| Package Length | 1.6mm |
| Package Style | SMT |
| Package Width | 0.8mm |
| Packing Method | TR, PUNCHED PAPER, 7 INCH |
| Rated Power Dissipation (P) | 0.063W |
| Rated Temperature | 70°C |
| Resistance | 145Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 0603 |
| Surface Mount | YES |
| Technology | THIN FILM |
| Temperature Coefficient | 25ppm/°C |
| Terminal Finish | MATTE TIN OVER NICKEL |
| Terminal Shape | WRAPAROUND |
| Tolerance | 0.5% |
| Working Voltage | 75V |
| Package | Resistor Chip |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
| Country of Origin | Japan |
Where can I find the RN731JTTD1450D25 datasheet?
RN731JTTD1450D25 Datasheet DownloadOfficial datasheet from KOA Speer
What are equivalent replacements for RN731JTTD1450D25?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resistance value and tolerance does the RN731JTTD1450D25 offer for precision circuit design?
The RN731JTTD1450D25 provides a 145 Ohm resistance value with a tight 0.5% tolerance, ensuring accurate and repeatable performance in precision analog signal-conditioning and feedback network applications where component matching is critical.
How does the temperature coefficient of the RN731JTTD1450D25 affect performance in varying thermal environments?
With a temperature coefficient of 25 PPM/°C, the RN731JTTD1450D25 maintains highly stable resistance across temperature variations. Over a 100°C span, resistance drifts by only 0.25%, making it well suited for instrumentation and industrial applications requiring reliable performance from -55°C to +155°C.
Is the RN731JTTD1450D25 a suitable drop-in replacement for 1% tolerance 0603 resistors in precision designs?
For precision designs requiring better accuracy, the RN731JTTD1450D25's 0.5% tolerance offers a direct upgrade path over standard 1% 0603 resistors. Its 25 PPM/°C coefficient and thin-film construction also provide lower noise and improved long-term stability compared to thick-film alternatives, with no package size change in the 0603 (1.6 mm x 0.8 mm) footprint.
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About KOA Speer
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