RNF14FTD20K0 Stackpole Electronics Inc. Resistor (Resistors, Axial Diameter Horizontal Mounting) In Stock
Stackpole RNF14FTD20K0 is a metal film through-hole axial resistor with 20K ohm resistance, 1/4W power rating, 1% tolerance, and 100ppm/°C temperature coefficient. It features flame-proof construction and precision accuracy, making it ideal for instrumentation, industrial controls, and precision analog circuits.
- Manufacturer
- Stackpole Electronics Inc.
- Package
- Resistors, Axial Diameter Horizontal Mounting
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- RNF14FTD20K0 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
Key Features
- 20K ohm precision resistance with 1% tolerance for accurate analog signal conditioning
- 100ppm/°C temperature coefficient ensuring stable resistance across wide temperature ranges
- 1/4W (0.25W) power rating in compact axial through-hole package (2.35mm diameter)
- Flame-proof metal film construction meeting safety standards for industrial and medical applications
- RoHS and REACH compliant with lead-free JESD-609 e3 rating for environmental compliance
- Tubular axial form factor compatible with standard radial and axial through-hole PCB assembly
Applications
The RNF14FTD20K0 is widely used in precision analog circuits, voltage dividers, feedback networks, and instrumentation equipment where tight resistance tolerance and low temperature drift are critical. Its flame-proof construction makes it suitable for industrial control systems, medical devices, and safety-critical applications requiring compliance with flammability standards. The axial through-hole form factor is also favored in audio electronics and legacy product repairs where SMT alternatives cannot be accommodated.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 21Weeks |
| YTEOL | 9 |
| Additional Feature | FLAME PROOF, PRECISION |
| Construction | Tubular |
| JESD-609 Code | e3 |
| Lead Diameter | 0.56mm |
| Mounting Feature | THROUGH HOLE MOUNT |
| Package Diameter | 2.35mm |
| Package Length | 6.35mm |
| Package Shape | TUBULAR PACKAGE |
| Package Style | Axial |
| Packing Method | TR, 12 INCH |
| Rated Power Dissipation (P) | 0.25W |
| Rated Temperature | 70°C |
| Resistance | 20000Ω |
| Resistor Type | FIXED RESISTOR |
| Surface Mount | NO |
| Technology | METAL FILM |
| Temperature Coefficient | 100ppm/°C |
| Terminal Finish | MATTE TIN |
| Terminal Shape | WIRE |
| Tolerance | 1% |
| Working Voltage | 250V |
| Package | Resistors, Axial Diameter Horizontal Mounting |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.90 |
| Country of Origin | Mainland China, Japan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 100ppm/°C temperature coefficient of RNF14FTD20K0 affect precision measurement designs across temperature?
The RNF14FTD20K0 has a 100ppm/°C temperature coefficient, meaning its 20K ohm resistance changes by approximately 2 ohms for every 1°C shift. Over a typical industrial temperature range of -40°C to 85°C, the total resistance drift is within ±2.5K ohms from nominal, which is acceptable for most analog signal conditioning and voltage divider applications but may require compensation in ultra-precision references requiring drift below 25ppm/°C.
What makes the flame-proof construction of RNF14FTD20K0 important for industrial and safety-critical designs?
The flame-proof construction of RNF14FTD20K0 means the resistor body is designed to contain any internal ignition and prevent flame propagation if the component fails due to overload. This is required in applications subject to IEC 60065, UL, or similar safety standards, including medical power supplies, industrial control panels, and consumer appliance circuits where resistor failure under fault current must not initiate a fire hazard in the surrounding assembly.
How does the 1% tolerance of RNF14FTD20K0 compare to 5% carbon film resistors for precision voltage dividers?
The RNF14FTD20K0 offers 1% tolerance on its 20K ohm resistance, meaning the actual value stays within 19.8K to 20.2K ohms. Carbon film resistors with 5% tolerance would span 19K to 21K ohms, creating up to 5% error in a voltage divider ratio. For precision analog references and feedback networks where accuracy better than 2% is needed, the 1% metal film RNF14FTD20K0 is the correct choice over lower-cost 5% alternatives.
What lead time and compliance documentation should buyers expect when ordering RNF14FTD20K0 in production quantities?
The RNF14FTD20K0 typically carries a factory lead time of 21 weeks from Stackpole Electronics through authorized distributors. Buyers should request RoHS and REACH compliance certificates, which are supported per the JESD-609 e3 code, and confirm the estimated 9-year time-to-end-of-life (YTEOL) rating when building long-production-life programs. For urgent requirements, distributor stock at quantities under 10,000 units is generally available at shorter lead times.
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About Stackpole Electronics Inc.
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