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HomeProductsResistorsChip Resistor - Surface MountRN73H2BTTD6983D100
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RN73H2BTTD6983D100 - KOA Speer Electronics, Inc.

Manufacturer Part Number
RN73H2BTTD6983D100
Manufacturer
KOA Speer Electronics, Inc.
Allelco Part Number
98D-RN73H2BTTD6983D100
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
37,116 pcs available, New & Original
Parts Description
RES 698K OHM 0.5% 1/4W 1206
Package
1206
Data sheet
RN73H2BTTD6983D.pdf

HTML Datasheet

RN73H Type Datasheet.pdf
RoHs Status
ROHS3 Compliant
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In stock: 37116
  • Unit Price: $0.122
  • Subtotal: $0.00

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Specifications

RN73H2BTTD6983D100 Tech Specifications
KOA Speer Electronics, Inc. - RN73H2BTTD6983D100 technical specifications, attributes, parameters and parts with similar specifications to KOA Speer Electronics, Inc. - RN73H2BTTD6983D100

Product Attribute Attribute Value
Manufacturer KOA Speer Electronics, Inc.
Tolerance ±0.5%
Temperature Coefficient ±100ppm/°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 RN73H2BTTD6983D100 suitable for automotive applications compared to standard film resistors?
The RN73H2BTTD6983D100 carries AEC-Q200 automotive qualification, which requires validation through extensive thermal cycling, humidity exposure, and mechanical stress testing beyond consumer-grade standards. The metal film construction combined with moisture-resistant design ensures stable 698 kOhm performance across the -55°C to 155°C operating range typical in underhood and high-temperature automotive environments. Standard film resistors lack this qualification pathway and may experience drift or premature failure in thermal cycling scenarios common in engine bays or powertrain modules.
How does the ±0.5% tolerance of the RN73H2BTTD6983D100 impact analog circuit design and filtering applications?
The ±0.5% tolerance on the RN73H2BTTD6983D100 enables tighter RC time-constant control in filter networks and precision analog signal conditioning. For a 698 kOhm resistor in a low-pass filter with a 10µF capacitor, tolerance variation shifts the corner frequency by approximately ±50 Hz around the nominal 2.3 kHz cutoff. This precision eliminates the need for potentiometer trimming in many sensor interfaces and oscillator circuits where ±1% tolerance would require post-production calibration. In voltage divider applications driving analog-to-digital converters, the RN73H2BTTD6983D100 maintains reference accuracy within 0.5%, reducing ADC quantization error contributions.
Can the RN73H2BTTD6983D100 be used in high-reliability medical or aerospace applications, or is automotive qualification the limit?
The RN73H2BTTD6983D100 holds AEC-Q200 qualification, which is automotive-specific and does not automatically extend to medical (IEC 60601) or MIL-grade aerospace requirements. While the metal film construction and ±100 ppm/°C temperature coefficient provide good long-term stability, aerospace and medical designs typically require additional traceability, screening, and lot-level documentation that AEC-Q200 does not mandate. The RN73H2BTTD6983D100 is appropriate for automotive powertrain, infotainment, and body control modules, but alternative qualified series should be specified for medical implants, life-support systems, or space-rated applications.
Why is the RN73H2BTTD6983D100 packaged in 1206 form factor rather than smaller 0805 or larger 2512 sizes?
The 1206 package (3.20mm × 1.60mm) on the RN73H2BTTD6983D100 balances power dissipation area, circuit density, and hand-soldering accessibility. At 0.25W rated power, the 1206 thermal footprint prevents excessive temperature rise on standard PCB copper; a 0805 package carrying the same 698 kOhm and 0.25W load would exceed safe junction temperatures in compact designs. Conversely, 2512 packages are unnecessarily large for 0.25W dissipation and waste board space in modern automotive modules. The 1206 remains the dominant choice for mid-power, precision analog circuits in compact automotive ECUs where component density and thermal management must coexist.
What is the practical difference between the RN73H2BTTD6983D100 and thin-film resistor alternatives for precision feedback networks?
The RN73H2BTTD6983D100 is a thick-film metal film type, offering ±0.5% tolerance and ±100 ppm/°C stability at moderate cost. Thin-film alternatives achieve ±0.1% tolerance and ±25 ppm/°C performance but occupy larger footprints and cost 3–5× more. For a transimpedance amplifier feedback network using 698 kOhm input impedance, the RN73H2BTTD6983D100 delivers sufficient gain flatness (within ±2.4% variation across temperature) for industrial sensor applications. Thin-film is warranted only when closed-loop gain must stay within ±0.5% across the full -55°C to 155°C range, such as precision instrumentation or high-resolution data acquisition in aerospace. For automotive applications, the RN73H2BTTD6983D100 cost-to-performance ratio justifies selection over thin-film unless specification explicitly demands sub-0.1% accuracy.
How does moisture sensitivity level (MSL 1) on the RN73H2BTTD6983D100 affect supply chain and storage procedures?
MSL 1 rating on the RN73H2BTTD6983D100 means unlimited shelf life at room humidity without desiccant storage or baking requirements before reflow soldering. This eliminates the need for dry-box management, humidity indicator cards, and pre-reflow bake cycles mandatory for MSL 3 or higher components. The RN73H2BTTD6983D100 can be stored in standard electronics warehouses and shipped without moisture barriers, reducing logistics complexity and cost. Production engineering benefits by simplifying incoming inspection and component handling protocols. For high-volume automotive suppliers managing just-in-time inventory, MSL 1 on the RN73H2BTTD6983D100 translates to operational efficiency gains compared to moisture-sensitive alternatives.
What is the temperature coefficient behavior of the RN73H2BTTD6983D100 in precision voltage reference dividers spanning automotive temperature ranges?
The RN73H2BTTD6983D100 exhibits ±100 ppm/°C temperature coefficient, meaning resistance drifts approximately ±0.7 kOhm across the full -55°C to 155°C automotive range (210°C span). In a series voltage divider with two 698 kOhm resistors (from RN73H2BTTD6983D100 and a matched pair), the output voltage tracks within ±0.07% due to nearly identical temperature tracking. However, if the RN73H2BTTD6983D100 is paired with a capacitor or different resistor type having different temperature coefficients, ratiometric error accumulates. For precision current-sense circuits using the RN73H2BTTD6983D100 as a shunt feedback element, temperature-dependent output drift remains manageable below ±0.5% in most automotive sensor interfaces. Temperature compensation is required only in systems demanding better than ±0.3% accuracy across the full operating range.
How should the RN73H2BTTD6983D100 be derated in applications near the 0.25W power rating, and what are realistic thermal limits?
The RN73H2BTTD6983D100 is rated 0.25W at 70°C ambient; above 70°C, power dissipation must be derated linearly to zero watts at 155°C maximum operating temperature. At 125°C ambient (typical automotive underhood), derating reduces safe power to approximately 0.125W. Continuous operation near 0.25W at 125°C ambient would elevate the RN73H2BTTD6983D100 resistor junction temperature to roughly 185°C, exceeding safe limits and accelerating metal film failure. In practice, automotive designers typically limit the RN73H2BTTD6983D100 to 0.15W continuous dissipation in high-temperature modules, reserving full 0.25W rating only for transient pulses or lower-ambient applications. Exceeding derated limits causes resistance drift, potential open-circuit failure, and unpredictable circuit behavior in temperature-critical feedback loops.
Is the RN73H2BTTD6983D100 appropriate for DC bias networks in Class D audio amplifiers, or should larger power resistors be selected?
The RN73H2BTTD6983D100 at 698 kOhm and 0.25W is unsuitable for output coupling or bootstrap bias networks in Class D automotive audio amplifiers, where steady-state power dissipation routinely exceeds 0.5W. However, the RN73H2BTTD6983D100 is well-suited for Class D gate-drive bias networks, soft-start RC timing, and feedback signal conditioning where dissipation remains below 0.1W. In a typical Class D pre-driver stage using the RN73H2BTTD6983D100 in the gate bias divider, power dissipation drops to 50–80 mW, keeping the component well within thermal margin. Misapplying the RN73H2BTTD6983D100 in high-power output paths would cause reliability failures and unpredictable switching behavior. Correct application requires estimating steady-state dissipation before component selection.
What soldering process compatibility and thermal stress considerations apply to the RN73H2BTTD6983D100 1206 package in high-volume automotive manufacturing?
The RN73H2BTTD6983D100 1206 package withstands standard lead-free reflow soldering (peak temperature 260°C, 20–40 seconds) without mechanical or electrical degradation. However, thermal cycling during reflow—particularly rapid temperature ramps—can induce micro-cracking in the solder joints if PCB design lacks adequate thermal relief. The RN73H2BTTD6983D100 mounted on thick copper planes (2 oz or heavier) experiences slower heating rates, reducing thermal shock to the device and improving solder joint reliability. Wave soldering is not recommended for the RN73H2BTTD6983D100 due to excessive thermal exposure time. In high-reliability automotive modules, the RN73H2BTTD6983D100 should be positioned away from solder wave edges and mounted on symmetrical copper pads to ensure even thermal distribution. Post-reflow inspection using X-ray or automated optical inspection detects solder bridging and voiding on the RN73H2BTTD6983D100, preventing field failures in critical control circuits.
How does the RN73H2BTTD6983D100 compare to wirewound resistors for low-frequency signal filtering in automotive sensor conditioning?
The RN73H2BTTD6983D100 metal film resistor exhibits negligible parasitic inductance (<2 nH typical), making it suitable for signal conditioning up to several MHz without phase shift or ringing artifacts. Wirewound resistors at 698 kOhm introduce 5–50 µH parasitic inductance, creating resonance peaks and phase distortion in RC filters operating above 10 kHz. For a 698 kOhm low-pass filter applied to a 100 kHz PWM ripple sensor input, the RN73H2BTTD6983D100 maintains linear frequency response with minimal overshoot. Wirewound alternatives would ring and distort the PWM envelope, corrupting duty-cycle reconstruction. Additionally, wirewound types exhibit poorer tolerance (±5–10%) and higher cost than the RN73H2BTTD6983D100 in automotive production volumes. The RN73H2BTTD6983D100 is the preferred choice for precision analog signal conditioning where bandwidth exceeds 1 kHz and cost-per-unit is a design constraint.
Can the RN73H2BTTD6983D100 be reliably used in high-voltage bias networks above 250V, or are safety margins required?
The RN73H2BTTD6983D100 datasheet does not specify maximum working voltage (MWV) directly; however, typical metal film 1206 resistors are rated 350V. The RN73H2BTTD6983D100 at 698 kOhm dissipating full 0.25W develops only 0.25 × 698 kOhm = 131.8 V maximum potential drop, well within safety margins. For applications up to 250V DC bias, the RN73H2BTTD6983D100 can be used without derating. Beyond 250V, resistor voltage stress may induce leakage current or arc-over in humid environments. In automotive high-voltage systems (48V or hybrid battery packs), the RN73H2BTTD6983D100 is not appropriate; dedicated high-voltage resistor networks with integrated surge protection should be specified instead. For low-voltage signal bias networks under 50V, the RN73H2BTTD6983D100 operates with substantial voltage margin and is well-suited to the application.
What failure mode analysis should be performed when the RN73H2BTTD6983D100 is used in redundant voltage monitoring circuits?
The RN73H2BTTD6983D100 exhibits a primary failure mode of open-circuit (sudden loss of resistance) when metal film layer fractures due to mechanical stress, thermal cycling, or overvoltage transients. In a redundant voltage divider using two RN73H2BTTD6983D100 resistors in series, an open-circuit failure on one branch causes loss of the monitored signal, potentially triggering false fault detection. Single-point failure analysis must account for the RN73H2BTTD6983D100 open-circuit mode; if critical function depends on continuous voltage monitoring, cross-check with a second independent measurement channel or add series fusing to contain fault propagation. Short-circuit failure is rare in metal film resistors but would alter the voltage divider ratio significantly. Redundancy design for circuits using the RN73H2BTTD6983D100 should assume open-circuit as the dominant failure mechanism and verify system behavior under that scenario.
How does RoHS3 compliance on the RN73H2BTTD6983D100 affect material composition and long-term reliability in European automotive markets?
RoHS3 compliance on the RN73H2BTTD6983D100 restricts lead, cadmium, and other hazardous substances, requiring lead-free solder terminations and cadmium-free plating. The metal film element itself remains unchanged; lead-free solder compatibility is the primary design constraint. The RN73H2BTTD6983D100 lead-free terminations exhibit slightly higher contact resistance (2–3 mΩ per pad) compared to legacy lead-containing versions, but this is negligible in 698 kOhm circuits. Long-term reliability in European markets is assured by RoHS3 compliance, eliminating regulatory and supply-chain risk. Whisker growth on lead-free terminations is a documented concern, but the RN73H2BTTD6983D100 metal film construction mitigates this risk due to low current-carrying capacity and low-energy design. Sourcing the RN73H2BTTD6983D100 for EU automotive production simplifies compliance documentation and eliminates need for restricted-substance exemptions.

Parts with Similar Specifications

The three parts on the right have similar specifications to KOA Speer Electronics, Inc. RN73H2BTTD6983D100

Product Attribute RN73H2BTTD6983F100 RN73H2BTTD6983D10 RN73H2BTTD6983B10 RN73H2BTTD6983C10
Part Number RN73H2BTTD6983F100 RN73H2BTTD6983D10 RN73H2BTTD6983B10 RN73H2BTTD6983C10
Manufacturer KOA Speer Electronics, Inc. KOA Speer Electronics, Inc. KOA Speer Electronics, Inc. KOA Speer Electronics, Inc.
Size / Dimension - - - -
Failure Rate - - - -
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
Base Product Number - DAC34H84 MAX500 ADS62P42
Height - Seated (Max) - - - -
Tolerance - - - -
Ratings - - - -
Resistance - - - -
Features - - - Simultaneous Sampling
Power (Watts) - - - -
Composition - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Number of Terminations - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Temperature Coefficient - - - -

RN73H2BTTD6983D100 Datasheet PDF

Download RN73H2BTTD6983D100 pdf datasheets and KOA Speer Electronics, Inc. documentation for RN73H2BTTD6983D100 - KOA Speer Electronics, Inc..

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

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RN73H2BTTD6983D100 Image

RN73H2BTTD6983D100

KOA Speer Electronics, Inc.
98D-RN73H2BTTD6983D100

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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