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Home Products Resistors Through Hole Resistors~~RNC50J2662BSRE5~~

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RNC50J2662BSRE5 - Vishay Dale

Manufacturer Part Number: RNC50J2662BSRE5

Manufacturer: Dale / Vishay

Allelco Part Number: 98D-RNC50J2662BSRE5

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 33,582 pcs available, New & Original

Parts Description: RES 26.6K OHM 0.1% 1/10W AXIAL

Package: Axial

Data sheet: RNC50J2662BSRE5.pdf

Datasheets
ERC (Military RNC/RNR) Series.pdf

RoHs Status

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Unit Price: $4.243
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Specifications

RNC50J2662BSRE5 Tech Specifications
Vishay Dale - RNC50J2662BSRE5 technical specifications, attributes, parameters and parts with similar specifications to Vishay Dale - RNC50J2662BSRE5

Product Attribute	Attribute Value
Manufacturer	Dale / Vishay
Tolerance	±0.1%
Temperature Coefficient	±25ppm/°C
Supplier Device Package	Axial
Size / Dimension	0.070" Dia x 0.150" L (1.78mm x 3.81mm)
Series	Military, MIL-PRF-55182/07, RNC50
Resistance	26.6 kOhms
Power (Watts)	0.1W, 1/10W
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	RNC50

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 RNC50J2662BSRE5 suitable for precision analog circuits where 0.1% tolerance is required?: The RNC50J2662BSRE5 achieves its ±0.1% tolerance through metal film construction, which provides superior stability compared to carbon film or wirewound alternatives. At 26.6 kOhms, this tolerance translates to a worst-case deviation of ±26.6 ohms, enabling predictable circuit behavior in precision measurement, signal conditioning, and feedback network applications. The metal film substrate resists aging drift and maintains tolerance across the full -65°C to 175°C operating range, with a temperature coefficient of ±25 ppm/°C that allows designers to calculate thermal compensation requirements.

How does the RNC50J2662BSRE5 compare to standard 1% tolerance resistors in terms of design margin and long-term reliability?: Standard 1% resistors at 26.6 kOhms permit ±266 ohms variation, creating 10× wider tolerance bands than the RNC50J2662BSRE5. This broader tolerance forces designers either to accept reduced circuit accuracy or to implement trimming networks. The RNC50J2662BSRE5 eliminates trimming in most precision applications, reducing component count and assembly cost. For long-term reliability, the military-grade RNC50J2662BSRE5 specification (MIL-PRF-55182/07) includes stringent aging and environmental testing protocols that reduce field failures below 1% annually, compared to 5–10% failure rates typical of commercial-grade 0.1% resistors.

Why is the RNC50J2662BSRE5 classified as weldable, and what design scenarios require this feature?: Weldability in the RNC50J2662BSRE5 refers to termination metallurgy that permits direct thermocompression bonding or resistance welding without delamination or contact degradation. This feature is essential in military avionics, deep-space instrumentation, and nuclear environments where solder reflow cycles may be restricted or where vibration-induced solder fatigue creates unacceptable failure risk. The weldable termination on the RNC50J2662BSRE5 integrates directly into hybrid microcircuits and thick-film substrates, enabling hermetic packaging that maintains the 0.1% tolerance specification under extreme thermal cycling and mechanical stress.

What is the practical current-handling capacity of the RNC50J2662BSRE5, and how does this relate to self-heating and measurement accuracy?: The RNC50J2662BSRE5 is rated at 0.1W continuous dissipation, which at 26.6 kOhms permits a maximum RMS current of approximately 1.94 mA (√(0.1W / 26600Ω)). Operating at or near this limit introduces self-heating that shifts resistance by roughly ±25 ppm per °C increase, potentially degrading the ±0.1% tolerance specification by 0.5–1% under thermal stress. In precision applications, designers typically operate the RNC50J2662BSRE5 well below rated power—often at 10–50% dissipation—to preserve tolerance margins and ensure measurement repeatability.

How does moisture resistance on the RNC50J2662BSRE5 affect long-term performance in sealed versus open environments?: The RNC50J2662BSRE5 moisture-resistant coating prevents ionic contamination and corrosion on the metal film substrate in humid or salt-spray environments. In sealed military enclosures, this feature extends operational life beyond 20 years with negligible resistance shift. In open or partially sealed environments, the coating delays moisture ingress but does not eliminate it entirely; the RNC50J2662BSRE5 should be combined with conformal coatings or potting compounds if long-term accuracy near ±0.1% tolerance limits is required. The moisture resistance also reduces susceptibility to atmospheric corrosion during storage, allowing the RNC50J2662BSRE5 to maintain tolerance specifications for extended shelf life without hermetic packaging.

What are the key differences between the RNC50J2662BSRE5 and lower-tolerance wirewound resistors in high-frequency filtering applications?: Wirewound resistors typically exhibit parasitic inductance in the 50–200 nH range, which dominates impedance at frequencies above 1 MHz and introduces phase shift that degrades filter performance. The RNC50J2662BSRE5 metal film construction minimizes parasitic inductance to <5 nH, preserving the ±0.1% tolerance specification and maintaining predictable impedance across RF and measurement frequencies. For multi-pole filter networks where the RNC50J2662BSRE5 serves as a precision reference element, wirewound alternatives would require empirical tuning and frequency compensation, whereas the RNC50J2662BSRE5 enables predictable filter response without post-design adjustment.

Can the RNC50J2662BSRE5 be used in applications requiring hermetic feedthrough or is additional sealing required?: The RNC50J2662BSRE5 itself is not hermetically sealed; it is an axial through-hole component with exposed metal film. For hermetic aerospace or medical device applications, the RNC50J2662BSRE5 must be installed on a substrate that is subsequently encapsulated or potted. The weldable termination allows the RNC50J2662BSRE5 to be integrated into hybrid assemblies before hermetic sealing, ensuring the component is protected while maintaining accessibility for testing. The RNC50J2662BSRE5 military specification supports this workflow, as testing protocols verify that tolerance and reliability are maintained post-sealing.

What thermal design considerations apply when the RNC50J2662BSRE5 is operated at the upper end of its -65°C to 175°C range?: At 175°C ambient, the RNC50J2662BSRE5 experiences maximum thermal drift at ±25 ppm/°C, resulting in cumulative resistance shift of approximately ±2500 ppm (±0.25%) over the full operating range—exceeding the initial ±0.1% tolerance. To preserve tight tolerance in high-temperature circuits, designers should derate dissipation on the RNC50J2662BSRE5 to maintain junction temperature below 140°C, or implement thermal compensation networks that null out the predictable temperature coefficient. Alternatively, the RNC50J2662BSRE5 can be located in a thermally buffered zone of the PCB, away from high-dissipation components, to reduce temperature gradients and associated tolerance drift.

How does the RNC50J2662BSRE5 failure rate classification compare to commercial-grade alternatives, and what does this mean for mission-critical applications?: The RNC50J2662BSRE5 carries a military failure rate of S (0.001% per 1000 hours), equivalent to an annual failure rate of approximately 0.0876% under continuous operation. This translates to a mean time between failures (MTBF) exceeding 1 million hours, compared to 10,000–50,000 hours typical for commercial 0.1% resistors. For mission-critical applications such as spacecraft attitude control or flight-critical avionics, the RNC50J2662BSRE5 redundancy requirement is reduced, lowering total system cost and complexity. The failure rate classification on the RNC50J2662BSRE5 is validated through accelerated life testing under MIL-PRF-55182/07, ensuring data-backed reliability predictions.

What soldering and thermal profiling guidance applies to the RNC50J2662BSRE5 to avoid termination degradation?: The RNC50J2662BSRE5 axial termination accommodates standard lead-free and tin-lead reflow profiles, with a recommended peak temperature ceiling of 260°C to avoid solder joint embrittlement. Rapid thermal cycling—such as repeated rework or thermal shock—can induce micro-cracking in the solder fillet, gradually increasing contact resistance and introducing intermittent failures. Soldering profiles for the RNC50J2662BSRE5 should include gradual preheat (2–3 minutes at 180°C) to minimize thermal stress on the termination interface. Wave soldering or selective soldering of the RNC50J2662BSRE5 is also acceptable and often preferred in military applications to reduce rework exposure and maintain termination integrity.

Is the RNC50J2662BSRE5 suitable for passive integrator or RC time-constant circuits where tolerance stability is critical?: Yes, the RNC50J2662BSRE5 is well-suited for integrator circuits where the RC time constant (τ = R × C) directly determines signal processing accuracy. The ±0.1% tolerance on the RNC50J2662BSRE5 ensures time-constant repeatability across production lots, reducing calibration overhead. When paired with a comparable 0.1% tolerance capacitor, the combined RC tolerance on the RNC50J2662BSRE5 circuit remains below ±0.2%, enabling integrators and logarithmic amplifiers to meet ±0.5% accuracy requirements without analog trimming. The metal film construction and low temperature coefficient of the RNC50J2662BSRE5 also minimize long-term drift in integrator offset voltage.

What procurement and lead-time considerations apply to the RNC50J2662BSRE5 given its military-grade specification and tape-and-reel packaging?: The RNC50J2662BSRE5 military specification and specialized manufacturing increase production lead time to 12–24 weeks compared to 4–8 weeks for commercial alternatives. Tape-and-reel packaging reduces manual handling and supports automated assembly, but requires compatible pick-and-place equipment with vision capability for axial component orientation. The RNC50J2662BSRE5 is typically stocked only by authorized military distributors or direct from Vishay Dale, with minimum order quantities (MOQs) of 500–1000 units. For low-volume prototyping, designers should plan procurement early and consider stock-and-hold agreements to mitigate supply disruption.

How does the RNC50J2662BSRE5 contribute to circuit noise performance compared to active feedback networks or digital potentiometer alternatives?: The RNC50J2662BSRE5 is a passive component with thermal noise floor of approximately -165 dBV/√Hz, contributing negligible noise to precision measurement circuits. Active feedback networks using operational amplifiers introduce noise floor around -150 dBV/√Hz, degrading signal-to-noise ratio in low-level sensing applications by 15 dB. Digital potentiometer alternatives to the RNC50J2662BSRE5 add quantization noise and switching artifacts, particularly problematic in analog signal path applications. The RNC50J2662BSRE5 therefore remains the preferred choice for low-noise precision filtering, biasing networks, and impedance matching where signal purity and long-term stability are prioritized over configurability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay Dale RNC50J2662BSRE5

Product Attribute
Part Number	RNC50J2662BSRE7	RNC50J2662BSRE8	RNC50J2662BSRE6	RNC50J2670BSRE5
Manufacturer	Vishay Dale	Vishay Dale	Vishay Dale	Vishay Dale
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Temperature Coefficient	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Height - Seated (Max)	-	-	-	-
Resistance	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Composition	-	-	-	-
Failure Rate	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Series	-	-	-	-
Tolerance	-	-	-	-
Power (Watts)	-	-	-	-
Number of Terminations	-	-	-	-
Size / Dimension	-	-	-	-

RNC50J2662BSRE5 Datasheet PDF

Download RNC50J2662BSRE5 pdf datasheets and Vishay Dale documentation for RNC50J2662BSRE5 - Vishay Dale.

Datasheets: ERC (Military RNC/RNR) Series.pdf

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America	United States	5
America	Brazil	7
Europe	Germany	5
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	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
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Middle East	Israel	6

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1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

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