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RN731JTTD1102B25
KOA Speer Electronics, Inc.
RES 11K OHM 0.1% 1/16W 0603
5139 Pcs New Original In Stock
11 kOhms ±0.1% 0.063W, 1/16W Chip Resistor 0603 (1608 Metric) Moisture Resistant Thin Film
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5.0 / 5.0
- (325 Ratings)
RN731JTTD1102B25
Product Overview
814801
DiGi Electronics Part Number
RN731JTTD1102B25-DGManufacturer
KOA Speer Electronics, Inc.
RN731JTTD1102B25
Description
RES 11K OHM 0.1% 1/16W 0603Inventory
5139 Pcs New Original In Stock
11 kOhms ±0.1% 0.063W, 1/16W Chip Resistor 0603 (1608 Metric) Moisture Resistant Thin Film
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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RN731JTTD1102B25 Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
-
Series
RN73
Product Status
Obsolete
Resistance
11 kOhms
Tolerance
±0.1%
Power (Watts)
0.063W, 1/16W
Composition
Thin Film
Features
Moisture Resistant
Temperature Coefficient
±25ppm/°C
Operating Temperature
-55°C ~ 155°C
Package / Case
0603 (1608 Metric)
Supplier Device Package
0603
Size / Dimension
0.063" L x 0.031" W (1.60mm x 0.80mm)
Height - Seated (Max)
0.022" (0.55mm)
Number of Terminations
2
Base Product Number
RN731J
Datasheet & Documents
HTML Datasheet
RN731JTTD1102B25-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8533.21.0030
Additional Information
Other Names
2019-RN731JTTD1102B25TR
Standard Package
5,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Service d’expédition efficace, réception en un temps record. Les composants sont solides et conçus pour durer, je suis très satisfait.
de desembre 02, 2025
DiGi Electronics is my go-to brand for reliable and well-made products.
de desembre 02, 2025
The professionalism and knowledge of their team are truly commendable.
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Frequently Asked Questions (FAQ)
Can the RN731JTTD1102B25 be safely used in a high-humidity industrial sensor circuit without additional conformal coating, given its moisture-resistant thin film construction?
Yes, the RN731JTTD1102B25 is designed with moisture-resistant thin film technology and carries an MSL 1 rating (unlimited floor life), making it suitable for high-humidity environments without requiring conformal coating—provided the PCB assembly follows proper cleaning and handling protocols. However, in extreme condensing environments (>85% RH with thermal cycling), supplemental protection is still recommended to prevent long-term electrochemical migration, especially on densely populated 0603 placements.
What are the key reliability risks when replacing the obsolete RN731JTTD1102B25 with the TNPW060311K0BEEA in a precision analog front-end design?
When substituting the RN731JTTD1102B25 with the Vishay TNPW060311K0BEEA, ensure compatibility in both electrical and environmental performance: while both offer ±0.1% tolerance and ±25ppm/°C tempco, the TNPW series has a slightly higher typical noise figure and different long-term stability characteristics. In low-level signal paths, this could introduce drift over time. Additionally, verify solder joint reliability under thermal cycling—Vishay’s construction may exhibit different crack propagation behavior in harsh thermal environments compared to KOA’s RN73 platform.
Is the RN731JTTD1102B25 suitable for use in a 150°C automotive under-hood application, and what derating practices should be applied?
The RN731JTTD1102B25 is rated for operation up to 155°C, but continuous use near this limit requires strict power derating. At 150°C, the resistor should be operated at less than 20% of its nominal 1/16W (0.063W) rating—ideally below 0.012W—to avoid accelerated aging and resistance drift. Also, confirm that the PCB substrate and solder joints can withstand repeated thermal excursions, as thin-film resistors like the RN731JTTD1102B25 are sensitive to thermomechanical stress at temperature extremes, which can lead to open-circuit failures over time.
How does the RN731JTTD1102B25 compare to the RNCF0603BTE11K0 in terms of long-term stability and suitability for calibration reference circuits?
The RN731JTTD1102B25 (thin film, ±25ppm/°C) generally offers better long-term stability and lower current noise than the carbon composition-based RNCF0603BTE11K0, making it far more suitable for calibration references or precision dividers. Carbon composition resistors like the RNCF series exhibit higher aging drift (often >500ppm after 1,000 hours) and are more susceptible to humidity-induced resistance shifts. For stable gain-setting networks or voltage references, the RN731JTTD1102B25 is the superior choice despite its obsolescence status.
What layout and grounding considerations are critical when using the RN731JTTD1102B25 in a high-impedance measurement circuit to avoid leakage and noise issues?
In high-impedance circuits (e.g., pH sensors or electrometer inputs), the RN731JTTD1102B25’s 11kΩ value helps limit bias current errors, but PCB layout is critical: maintain wide clearance (≥2mm) around the resistor to prevent surface leakage, use guard rings tied to a clean analog ground or driven shield, and avoid routing high-voltage or digital traces beneath it. Even with MSL 1 moisture resistance, ionic contamination from flux residues can create parasitic conduction paths—always perform thorough plasma cleaning or use no-clean, low-residue solder paste to preserve insulation resistance above 10^12Ω.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
RN731JTTD1102B25 CAD Models
KOA Speer Electronics, Inc. RN731JTTD1102B25 PCB symbols & footprints
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