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Home Products Resistors Chip Resistor - Surface Mount~~RN73H2BTTD6983C50~~

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RN73H2BTTD6983C50 - KOA Speer Electronics, Inc.

Manufacturer Part Number: RN73H2BTTD6983C50

Manufacturer: KOA Speer Electronics, Inc.

Allelco Part Number: 98D-RN73H2BTTD6983C50

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 49,883 pcs available, New & Original

Parts Description: RES 698K OHM 0.25% 1/4W 1206

Package: 1206

Data sheet: RN73H2BTTD6983C.pdf

Datasheets
RN73H Type Datasheet.pdf

HTML Datasheet
RN73H Type Datasheet.pdf

RoHs Status: ROHS3 Compliant

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Specifications

RN73H2BTTD6983C50 Tech Specifications
KOA Speer Electronics, Inc. - RN73H2BTTD6983C50 technical specifications, attributes, parameters and parts with similar specifications to KOA Speer Electronics, Inc. - RN73H2BTTD6983C50

Product Attribute	Attribute Value
Manufacturer	KOA Speer Electronics, Inc.
Tolerance	±0.25%
Temperature Coefficient	±50ppm/°C
Supplier Device Package	1206
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)
Series	RN73H
Resistance	698 kOhms
Ratings	AEC-Q200
Power (Watts)	0.25W, 1/4W

Product Attribute	Attribute Value
Package / Case	1206 (3216 Metric)
Package	Tape & Reel (TR)
Operating Temperature	-55°C ~ 155°C
Number of Terminations	2
Height - Seated (Max)	0.028" (0.70mm)
Features	Automotive AEC-Q200, Moisture Resistant
Failure Rate	-
Composition	Metal Film
Base Product Number	RN73H2B

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8533.21.0030

Frequently Asked Questions(FAQ)

What makes the RN73H2BTTD6983C50 suitable for automotive applications compared to standard metal film resistors?: The RN73H2BTTD6983C50 is qualified to AEC-Q200 automotive standards, which requires extensive testing for temperature cycling, humidity resistance, and long-term stability under thermal stress. Beyond the AEC-Q200 qualification, this 698 kOhm resistor incorporates moisture-resistant construction and achieves MSL 1 rating, meaning it can be stored indefinitely without desiccant protection—a practical advantage in automotive manufacturing environments where supply chain logistics demand extended shelf life without controlled humidity.

How does the ±0.25% tolerance of the RN73H2BTTD6983C50 impact analog circuit design, particularly in precision measurement applications?: The ±0.25% tolerance on the RN73H2BTTD6983C50 698 kOhm resistor directly influences analog front-end accuracy. In transimpedance amplifier circuits, precision photodiode readouts, or low-drift signal conditioning, tolerance stack becomes a primary error source. For a 698 kOhm value, ±0.25% tolerance yields a worst-case variation of ±1.75 kOhms, which can degrade gain accuracy by approximately 0.25% in op-amp feedback networks without additional trimming. This tolerance class is suitable for applications requiring <0.5% overall system accuracy without laser-trimmed calibration, making the RN73H2BTTD6983C50 a practical choice for mid-range precision designs where cost and performance balance is critical.

Can the RN73H2BTTD6983C50 be used in high-temperature automotive modules, and what thermal considerations apply?: The RN73H2BTTD6983C50 operates across -55°C to 155°C, covering extended automotive temperature ranges including underhood and battery management system environments. The ±50ppm/°C temperature coefficient means resistance drift over a 100°C swing is approximately ±0.5%, or ±3.5 kOhms on the 698 kOhm value. In precision current-limiting or voltage-divider circuits, this drift can cause measurable output variation. System designers using the RN73H2BTTD6983C50 should model worst-case performance at 155°C when tolerance and temperature coefficient combine, and consider active trimming or ratiometric circuit topologies if drift-sensitive feedback is required.

What is the practical difference between the RN73H2BTTD6983C50 and a standard 0.1% tolerance resistor for automotive sensor signal conditioning?: Moving from the RN73H2BTTD6983C50's ±0.25% tolerance to ±0.1% tolerance reduces initial accuracy error by 60%, but introduces cost increases of 30–50% and extended lead times due to lower production volume. For automotive sensor conditioning, the RN73H2BTTD6983C50 is sufficient when sensor nonlinearity already dominates the error budget or when the application uses ratiometric output (e.g., sensor-to-ADC ratios). However, if absolute reference accuracy or precision threshold detection drives specifications, the incremental cost of tighter tolerance may justify selection of 0.1% alternatives. The 698 kOhm RN73H2BTTD6983C50 strikes a practical middle ground for designs requiring <1% absolute accuracy without premium component cost.

How does the 1206 package size of the RN73H2BTTD6983C50 affect thermal management in high-power density boards?: The RN73H2BTTD6983C50 in 1206 package (3.20mm × 1.60mm) dissipates 0.25W maximum, which on a standard FR-4 board generates localized heating around 50–80°C above ambient under sustained full power. The physical footprint provides minimal heat spreading via PCB copper area alone, requiring thermal design consideration in densely populated automotive modules. For applications near the 0.25W limit—such as high-impedance pull-up networks in noisy environments—the RN73H2BTTD6983C50 benefits from placement near thermal vias or ground planes to distribute heat. In most automotive signal conditioning circuits, actual power dissipation is 10–50mW (well below rating), so thermal management is not a constraint; however, in precision transimpedance or logarithmic amplifier stages where high impedance generates significant noise, operating the RN73H2BTTD6983C50 near rated power warrants thermal simulation.

Is the RN73H2BTTD6983C50 compatible with lead-free reflow processes, and what soldering profiles are recommended?: The RN73H2BTTD6983C50 is RoHS3 compliant and suitable for lead-free reflow at standard automotive temperatures (peak 245–260°C). The metal film construction and 1206 package exhibit excellent thermal shock resistance across typical reflow cycles (3–5 minutes above 200°C). The moisture-resistant design and MSL 1 rating mean the RN73H2BTTD6983C50 does not require bake-out before assembly, reducing manufacturing cycle time. For automotive applications, validation against IPC-J-STD-001 Class 3 standards is typical; the RN73H2BTTD6983C50 exhibits consistent solder joint quality and minimal resistance shift after thermal cycling, making it reliable across multiple assembly and field temperature cycling events.

What noise characteristics does the RN73H2BTTD6983C50 exhibit in low-signal audio or precision measurement circuits?: Metal film resistors like the RN73H2BTTD6983C50 generate Johnson noise proportional to absolute temperature and resistance value. At 698 kOhms, the RN73H2BTTD6983C50 generates approximately 29 nanovolts per square root Hertz of noise density at 25°C. In bandwidth-limited circuits (e.g., 10 kHz measurement window), this translates to roughly 3 microvolts RMS noise floor. For audio preconditioning or precision instrumentation below 100µV signal levels, the RN73H2BTTD6983C50 introduces measurable noise contribution requiring low-noise op-amp stages and filtering. For typical automotive sensor signal conditioning (millivolt-range signals), Johnson noise from the RN73H2BTTD6983C50 is negligible; however, in precision analog-to-digital conversion chains or medical-grade signal acquisition, system designers should account for this noise source.

How does long-term aging affect the RN73H2BTTD6983C50's resistance stability in critical automotive diagnostic circuits?: The RN73H2BTTD6983C50, manufactured with metal film technology and AEC-Q200 qualification, exhibits aging rates <0.1% per decade of time under normal automotive conditions (25°C, 0.125W dissipation). Over a 10-year automotive service life at moderate stress levels, total resistance drift from aging is typically <0.2%, well within the component's ±0.25% tolerance. In onboard diagnostic (OBD) circuits, where the RN73H2BTTD6983C50 might serve as a precision reference divider or fault-detection threshold, this stability is sufficient without periodic calibration. However, in long-lived battery management systems or precision current measurement, design margins should account for aging combined with temperature coefficient effects; selecting a 698 kOhm RN73H2BTTD6983C50 with initial 0.1% tolerance selection over the component's life provides additional confidence.

Why is the RN73H2BTTD6983C50 preferred over thick-film resistors for precision automotive fuel pump or pressure sensor signal conditioning?: The RN73H2BTTD6983C50's metal film construction offers three advantages over thick-film alternatives: (1) superior tolerance (±0.25% vs. typical ±1% for thick-film), enabling more accurate signal scaling without additional tuning; (2) lower temperature coefficient (±50ppm/°C vs. ±100–200ppm/°C for thick-film), reducing calibration drift across -55°C to 155°C automotive range; (3) predictable long-term aging and lower noise for precision transduction. In fuel pressure feedback networks, the RN73H2BTTD6983C50 ensures repeatable ADC conversion and fault detection thresholds across production variations and thermal cycling, reducing false diagnostics. Thick-film alternatives are suitable for simple pull-ups or bias networks, but the RN73H2BTTD6983C50 justifies selection when measurement accuracy or long-term reliability directly impacts vehicle emissions compliance or safety diagnostics.

Can the RN73H2BTTD6983C50 be paralleled or serially combined with other resistors without degrading the AEC-Q200 rating?: The RN73H2BTTD6983C50 AEC-Q200 qualification applies to the individual component as manufactured; combining multiple resistors in series or parallel creates a composite element not covered by the original qualification. Paralleling two RN73H2BTTD6983C50 units (698 kOhm each) yields 349 kOhms at doubled power dissipation (0.5W total), exceeding individual component ratings and potentially introducing current-sharing imbalances due to tolerance variation. Serially connecting the RN73H2BTTD6983C50 to achieve higher resistance values is acceptable for non-critical applications, but tolerance stacking becomes significant: two units in series yield 1.396 MOhms with ±0.5% combined tolerance. For automotive designs requiring non-standard resistance values, selecting a single precision resistor—if available—or using resistor networks with matched temperature coefficients is preferable to maintain traceability to AEC-Q200 standards.

How does the RN73H2BTTD6983C50 perform in high-frequency impedance matching or signal termination applications?: The RN73H2BTTD6983C50 is optimized for DC and low-frequency applications; at RF frequencies above 10 MHz, parasitic inductance becomes significant relative to the 698 kOhm resistance. For CAN bus termination networks or precision analog signal paths up to 100 kHz, the RN73H2BTTD6983C50 operates without notable frequency-dependent effects. However, in high-speed automotive Ethernet or board-level impedance-controlled circuits, the RN73H2BTTD6983C50's parasitic inductance (~0.5–1 nH typical for 1206 package) introduces phase shift and bandwidth limitations. Signal reflection or ringing in transmission lines terminated with the RN73H2BTTD6983C50 becomes visible above 1 MHz, favoring thin-film or wire-wound precision components when high-frequency termination is required.

What supply chain or sourcing advantages does the RN73H2BTTD6983C50 offer compared to custom or application-specific resistor networks?: The RN73H2BTTD6983C50 is a standard catalog part from KOA Speer Electronics with established distributor availability, second-source alternatives (e.g., Vishay, Panasonic equivalents), and predictable long-term production continuity. Custom resistor networks or laser-trimmed precision modules require engineering qualification and impose minimum order quantities, extending time-to-market by 8–16 weeks. For automotive platforms where design cycles are 18–24 months and production volumes exceed 10,000 units annually, the RN73H2BTTD6983C50 provides supply stability, REACH and RoHS3 compliance verification, and AEC-Q200 traceability at no additional engineering cost. In single-use or ultra-low-volume applications, custom networks may be cost-justified; however, the RN73H2BTTD6983C50's combination of catalog availability, proven reliability data, and cost efficiency makes it the practical choice for mainstream automotive sensor and diagnostic circuits.

Parts with Similar Specifications

The three parts on the right have similar specifications to KOA Speer Electronics, Inc. RN73H2BTTD6983C50

Product Attribute
Part Number	RN73H2BTTD6983B50	RN73H2BTTD6983D50	RN73H2BTTD6983C10	RN73H2BTTD6983C25
Manufacturer	KOA Speer Electronics, Inc.	KOA Speer Electronics, Inc.	KOA Speer Electronics, Inc.	KOA Speer Electronics, Inc.
Number of Terminations	-	-	-	-
Failure Rate	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Temperature Coefficient	-	-	-	-
Height - Seated (Max)	-	-	-	-
Power (Watts)	-	-	-	-
Tolerance	-	-	-	-
Resistance	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Series	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Size / Dimension	-	-	-	-
Composition	-	-	-	-
Ratings	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad

RN73H2BTTD6983C50 Datasheet PDF

Download RN73H2BTTD6983C50 pdf datasheets and KOA Speer Electronics, Inc. documentation for RN73H2BTTD6983C50 - KOA Speer Electronics, Inc..

Datasheets: RN73H Type Datasheet.pdf
HTML Datasheet: RN73H Type Datasheet.pdf

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