The RK73H2ATTD3902F is a surface mount chip resistor from Win Source Electronics, designed for automotive applications and compliant with AEC-Q200 standards. It features a resistance value of 39 kOhms, a power rating of 0.25W (1/4W), and a tolerance of ¬±1%. The resistor operates effectively within a temperature range of -55¬8C to +155¬8C and has a temperature coefficient of ¬±100ppm/¬8C. It is constructed using thick film technology and is moisture resistant, making it suitable for various environmental conditions. The component is packaged in a standard 0805 (2012 metric) size, with dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm). The resistor is supplied on tape and reel, with a standard package quantity of 5,000 units.
Win Source Part Number: 1237241-RK73H2ATTD39
Category: Resistors>Chip Resistor - Surface Mount
Series: RK73H
Features: Automotive AEC-Q200, Moisture Resistant
Package: Tape & Reel
Height - Seated (Max): 0.024" (0.60mm)
Standard Package: 5,000
Tolerance: ±1%
Temperature Coefficient: ±100ppm/°C
Ratings: AEC-Q200
Power (Watts): 0.25W, 1/4W
Composition: Thick Film
Number of Terminations: 2
Resistance: 39 kOhms
Package / Case: 0805 (2012 Metric)
Supplier Device Package: 0805
Temperature Range - Operating: -55°C ~ 155°C
Dimension: 0.079" L x 0.049" W (2.00mm x 1.25mm)
ECCN: EAR99
Fake Threat In the Open Market: 64 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8533.21.0030
Mfr: KOA Speer Electronics, Inc.
Other Names: 2019-RK73H2ATTD3902F
Base Product Number: RK73H2A
39 kOhms ±1% 0.25W, 1/4W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200, Moisture Resistant Thick Film
39 kOhms ±1% 0.25W, 1/4W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200, Moisture Resistant Thick Film
39 kOhms ±1% 0.25W, 1/4W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200, Moisture Resistant Thick Film
RES 39K OHM 1% 1/4W 0805 Product overview: RK73H2ATTD3902F from KOA Speer Electronics, Inc. is a Resistor for current limiting, voltage division, biasing, sensing, termination, and precision electronic circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 4W. Search-friendly keywords include resistor, SMD, current sense, precision, termination, 4W, Chip Resistor(SMD). This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 52-RK73H2ATTD3902F can be used for catalog matching and distributor lookup.
| Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | |
|---|---|---|---|
| Product Category | Resistors | Resistors | Resistors |
| Product Number | 1237241-RK73H2ATTD3902F | 2019-RK73H2ATTD3902FDKR-ND | 52-RK73H2ATTD3902F |
| Product Name | Resistors - Chip Resistor - Surface Mount | Chip Resistor - Surface Mount | 4W Resistor |
| Technology / Construction | MetalFilm; Thick Film (Chip) | Thick Film (Chip) | Thick Film |
| Resistance Range | 39000 ohms | 39000 ohms | |
| Tolerance | 1 +/- % | 1 +/- % | |
| Temperature Coefficient | 100 ±ppm/°C | 100 ±ppm/°C | |
| Power Rating | 0.2500 watts | 0.2500 watts | 0.2500 watts |
