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HomeProductsResistorsThrough Hole ResistorsRNC55H3163FSRE7
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RNC55H3163FSRE7 - Vishay Dale

Manufacturer Part Number
RNC55H3163FSRE7
Manufacturer
Dale / Vishay
Allelco Part Number
98D-RNC55H3163FSRE7
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
34,796 pcs available, New & Original
Parts Description
RES 316K OHM 1% 1/8W AXIAL
Package
Axial
Data sheet
-
RoHs Status
 
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Our certification
In stock: 34796
  • Unit Price: $0.838
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.838 $0.84
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

RNC55H3163FSRE7 Tech Specifications
Vishay Dale - RNC55H3163FSRE7 technical specifications, attributes, parameters and parts with similar specifications to Vishay Dale - RNC55H3163FSRE7

Product Attribute Attribute Value
Manufacturer Dale / Vishay
Tolerance ±1%
Temperature Coefficient ±50ppm/°C
Supplier Device Package Axial
Size / Dimension 0.094" Dia x 0.250" L (2.39mm x 6.35mm)
Series Military, MIL-PRF-55182/01, RNC55
Resistance 316 kOhms
Power (Watts) 0.125W, 1/8W
Package / Case Axial
Product Attribute Attribute Value
Package Tape & Reel (TR)
Operating Temperature -65°C ~ 175°C
Number of Terminations 2
Height - Seated (Max) -
Features Military, Moisture Resistant, Weldable
Failure Rate S (0.001%)
Composition Metal Film
Base Product Number RNC55

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) Not Applicable
ECCN EAR99
HTSUS 8533.21.0090

Frequently Asked Questions(FAQ)

What makes the RNC55H3163FSRE7 suitable for military and aerospace applications compared to standard commercial resistors?
The RNC55H3163FSRE7 is manufactured to MIL-PRF-55182/01 military specification, which mandates tighter quality controls, extended temperature rating (-65°C to 175°C), and moisture-resistant construction. The metal film composition combined with weldable leads ensures reliability in harsh environments where temperature cycling and humidity exposure are frequent. The extremely low failure rate of 0.001% (S-grade) reflects screening protocols absent in commercial equivalents, making the RNC55H3163FSRE7 the appropriate choice when component replacement becomes logistically or economically prohibitive.
How does the ±1% tolerance of the RNC55H3163FSRE7 affect filter cutoff frequency and gain accuracy in precision analog circuits?
In RC filter applications, the RNC55H3163FSRE7's ±1% tolerance directly propagates to cutoff frequency variation. For a 100 kHz low-pass filter using the RNC55H3163FSRE7 with a 50 nF capacitor, tolerance stack produces a ±1% frequency deviation (approximately ±1 kHz). In transimpedance amplifier gain networks, a ±1% tolerance on the 316 kOhms feedback resistor yields ±1% gain uncertainty. For applications requiring tighter control, parallel or series combinations of multiple RNC55H3163FSRE7 units can reduce effective tolerance through statistical averaging, though cost and PCB space trade-offs must be evaluated against precision requirements.
What thermal derating curve should be applied to the RNC55H3163FSRE7's 0.125W power rating above 70°C?
MIL-PRF-55182/01 specifies linear derating for the RNC55H3163FSRE7 above 70°C at approximately 0.9 mW/°C. At 125°C, the usable power rating drops to approximately 90 mW; at 175°C (maximum rated temperature), the resistor approaches zero rated dissipation. Practical design practice for the RNC55H3163FSRE7 restricts continuous power to 60–70 mW in environments exceeding 100°C to maintain long-term stability and prevent premature creep. Designers must account for PCB thermal coupling, ambient temperature cycling, and self-heating effects when calculating actual junction temperature and validating margin against the derating curve.
How does the ±50 ppm/°C temperature coefficient of the RNC55H3163FSRE7 compare to precision resistor alternatives in long-term circuit stability?
The RNC55H3163FSRE7 exhibits a temperature coefficient of ±50 ppm/°C, typical of military-grade metal film resistors but notably higher than precision thin-film resistors (5–25 ppm/°C). Over a 100°C temperature swing (-25°C to +75°C), the RNC55H3163FSRE7 experiences 0.5% resistance drift, acceptable for general analog signal conditioning but problematic in precision bridge circuits or precision logarithmic converters where 0.1% stability is required. If the full military temperature range (-65°C to 175°C) is encountered, the RNC55H3163FSRE7 exhibits up to 1.2% drift, necessitating either temperature compensation or acceptance of calibration uncertainty.
What is the voltage derating requirement for the RNC55H3163FSRE7 when used in 500V signal conditioning circuits?
The RNC55H3163FSRE7 datasheet does not explicitly state maximum working voltage; however, industry practice for axial metal film resistors typically limits voltage to 350–400V RMS continuous and 600V peak transient. For a 500V continuous application using the RNC55H3163FSRE7, the electric field stress (500V ÷ 6.35 mm lead length) approaches 78 V/mm, exceeding safe margins for long-term moisture ingress and corona formation in high-altitude environments. High-voltage applications require either series-stacking of multiple RNC55H3163FSRE7 units or substitution with high-voltage thin-film resistors rated for >1 kV.
Why does the RNC55H3163FSRE7 require moisture-resistant construction, and how does MSL classification differ from RoHS status?
The RNC55H3163FSRE7 incorporates moisture-resistant coating to prevent electrolytic corrosion of the metal film element in high-humidity and salt-spray environments typical of naval and aerospace applications. Note that the RNC55H3163FSRE7 is RoHS non-compliant, indicating it may contain lead or other restricted substances by design to maintain military specification performance. MSL (Moisture Sensitivity Level) is Not Applicable for the RNC55H3163FSRE7 because axial leaded components are substantially less susceptible to moisture absorption than surface-mount packages. RoHS non-compliance and MSL classification address different risk domains: RoHS targets environmental contamination, while MSL predicts reflow soldering risk, neither directly constraining the RNC55H3163FSRE7's operational performance in unpressurized or high-moisture fields.
How does the 0.094" diameter and 0.250" length of the RNC55H3163FSRE7 affect PCB layout density and thermal dissipation in confined spaces?
The RNC55H3163FSRE7's compact axial form factor (2.39 mm diameter × 6.35 mm length) permits integration into through-hole layouts with minimal PCB real estate consumption. However, the narrow cylindrical geometry concentrates heat dissipation within a small surface area; thermal coupling depends critically on lead-to-pad separation and via placement directly beneath the resistor body. In densely populated boards with limited air circulation, the RNC55H3163FSRE7 may require forced-air cooling or thermal potting compound to maintain derating compliance. Contrast with surface-mount film resistors (0603 or 0805 packages), which offer superior thermal coupling but incompatibility with legacy through-hole assembly lines.
What soldering process considerations apply to the RNC55H3163FSRE7's weldable leads in mixed analog-digital PCBs?
The RNC55H3163FSRE7 features weldable leads, enabling automated wave soldering and selective soldering compatibility without lead leaching or cold-joint formation. The metal film element itself is insensitive to thermal shock below 250°C peak, permitting standard lead-free solder profiles (245°C, 10 seconds dwell). However, the RNC55H3163FSRE7's axial orientation and lead stiffness require careful consideration of solder fillet geometry; inadequate fillet coverage may create mechanical stress concentrations during thermal cycling. Recommendation: use solder wave parameters optimized for axial components and validate solder joint integrity via X-ray inspection in safety-critical applications.
How should the RNC55H3163FSRE7 be selected in voltage divider networks where input impedance must remain stable across -65°C to 175°C?
For a voltage divider using two RNC55H3163FSRE7 units, the output voltage shifts due to mismatched temperature coefficients between the upper and lower resistors. If both resistors exhibit +50 ppm/°C drift, the ratio remains theoretically constant; however, real components typically exhibit asymmetric temperature coefficients (e.g., ±50 ppm/°C). Over 240°C swing, ratio error accumulates to approximately ±0.12% per °C of mismatch, yielding up to 0.3% output voltage error across the military temperature range. For precision dividers, select RNC55H3163FSRE7 units from the same manufacturing date code to minimize coefficient divergence, or use thick-film networks specifically designed for low TCR matching.
What is the expected long-term drift and creep behavior of the RNC55H3163FSRE7 under continuous rated power for 10,000+ operating hours?
Military-grade metal film resistors like the RNC55H3163FSRE7 exhibit creep (permanent resistance change) of approximately 0.5–1% over 10,000 hours at rated power and maximum temperature. At 125°C continuous operation near the RNC55H3163FSRE7's derated power limit (≈90 mW), creep typically stabilizes within 500–1000 hours. After initial stabilization, the RNC55H3163FSRE7 resistance change rate slows to <0.1% per thousand hours. For applications demanding <0.25% accuracy over system lifetime, periodic recalibration or use of low-drift precision resistors is recommended. The RNC55H3163FSRE7's predictable creep characteristic (versus non-military film resistors' erratic drift) makes it suitable for designs tolerating calibration drift if service intervals are structured.
How does the RNC55H3163FSRE7 perform in precision photodiode transimpedance amplifier designs requiring sub-1 nV/√Hz input-referred noise?
The RNC55H3163FSRE7's metal film composition exhibits thermal noise of approximately 130 nV/√Hz at 316 kOhms and 25°C. In a transimpedance amplifier using the RNC55H3163FSRE7 as feedback, the input-referred noise is (Thermal Noise of RNC55H3163FSRE7) ÷ (Transimpedance Gain). For a 1 MV/A gain (316 kOhms feedback), input-referred noise is approximately 0.13 nV/√Hz, meeting sub-1 nV/√Hz requirements. However, the RNC55H3163FSRE7's 1% tolerance and ±50 ppm/°C coefficient introduce gain uncertainty (±1.3%) and temperature-dependent noise floor shifts. High-performance designs often parallel multiple RNC55H3163FSRE7 units to reduce noise (3 dB per halving of resistance) or substitute precision thin-film resistors with lower noise spectral density.
What supply voltage range and bypass capacitor strategy should be used with the RNC55H3163FSRE7 in high-impedance analog sensing circuits prone to EMI?
The RNC55H3163FSRE7's 316 kOhm value creates a time constant of 3.16 µs with a 10 nF parasitic capacitance, establishing a high-impedance node vulnerable to RF interference (MHz range). Designers should pair the RNC55H3163FSRE7 with 0.1–1 µF ceramic bypass capacitors placed within 10 mm of the node, reducing RF gain at frequencies above 500 kHz. In mixed-signal boards, route the RNC55H3163FSRE7's PCB traces away from high-speed digital signals and use ground planes to minimize coupling. Ferrite beads (100–600 Ω at 100 MHz) inserted inline with the RNC55H3163FSRE7 further attenuate EMI ingress without modifying DC circuit behavior.
Can the RNC55H3163FSRE7 be reliably used in 175°C environments without requiring circuit topology modifications or additional margin analysis?
Operation at the RNC55H3163FSRE7's upper temperature limit (175°C) requires margin verification across all performance parameters. At 175°C, the RNC55H3163FSRE7's resistance increases by approximately 0.6% relative to 25°C (±50 ppm/°C × 150°C). Power derating reaches near-zero (~10 mW maximum), requiring designs to operate at <5% of nominal power rating. The RNC55H3163FSRE7's 1% tolerance, combined with 175°C drift, yields worst-case resistance of 324.6 kOhms (327.9 kOhm nominal + 0.6% + 1% tolerance), a ±2.7% band accounting for both temperature and manufacturing variation. Circuits must include +3% to +5% margin in gain, filter frequency, or bias point calculations to guarantee functionality across the full -65°C to 175°C range.
How does the RNC55H3163FSRE7's MIL-PRF-55182/01 qualification compare to typical commercial film resistor grading in terms of failure prediction and reliability modeling?
The RNC55H3163FSRE7 achieves an S-grade failure rate (0.001% per 1,000 hours) through MIL-PRF-55182/01 validation, involving 100% electrical testing, temperature cycling (-65°C to 175°C, 10 cycles minimum), and bias-humidity-temperature stress. Equivalent commercial resistors (0.1% tolerance, industrial grade) typically assume failure rates of 0.01–0.1% per 1,000 hours, ten times higher. For reliability prediction using MIL-HDBK-217F, the RNC55H3163FSRE7's low failure rate translates to extended system MTBF calculations; a circuit with 100 RNC55H3163FSRE7 units yields predicted MTBF exceeding 100,000 hours. This qualification premium justifies RNC55H3163FSRE7 cost in aerospace, medical, and nuclear applications where component replacement or system downtime carries extreme cost.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay Dale RNC55H3163FSRE7

Product Attribute RNC55H3163FSRE765 RNC55H3163FSRE565 RNC55H3163FSRE865 RNC55H3163FSRE5
Part Number RNC55H3163FSRE765 RNC55H3163FSRE565 RNC55H3163FSRE865 RNC55H3163FSRE5
Manufacturer Vishay Dale Vishay Dale Vishay Dale Vishay Dale
Tolerance - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Temperature Coefficient - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Base Product Number - DAC34H84 MAX500 ADS62P42
Series - - - -
Height - Seated (Max) - - - -
Power (Watts) - - - -
Failure Rate - - - -
Features - - - Simultaneous Sampling
Number of Terminations - - - -
Composition - - - -
Resistance - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Size / Dimension - - - -

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RNC55H3163FSRE7 Image

RNC55H3163FSRE7

Vishay Dale
98D-RNC55H3163FSRE7

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