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WSK0612L5000FEA
Vishay Dale
RES CURR SENSE 0.0005 OHM 1% E3
19042 Pcs New Original In Stock
0.5 mOhms ±1% 1W Chip Resistor Wide 1206 (3216 Metric), 0612 Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant, Pulse Withstanding Metal Element
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5.0 / 5.0
- (228 Ratings)
WSK0612L5000FEA
Product Overview
9846748
DiGi Electronics Part Number
WSK0612L5000FEA-DGManufacturer
Vishay Dale
WSK0612L5000FEA
Description
RES CURR SENSE 0.0005 OHM 1% E3Inventory
19042 Pcs New Original In Stock
0.5 mOhms ±1% 1W Chip Resistor Wide 1206 (3216 Metric), 0612 Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant, Pulse Withstanding Metal Element
Quantity
Minimum 1
Minimum 1
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WSK0612L5000FEA Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Cut Tape (CT) & Digi-Reel®
Series
WSK
Product Status
Obsolete
Resistance
0.5 mOhms
Tolerance
±1%
Power (Watts)
1W
Composition
Metal Element
Features
Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant, Pulse Withstanding
Temperature Coefficient
0/ -600ppm/°C
Operating Temperature
-65°C ~ 170°C
Package / Case
Wide 1206 (3216 Metric), 0612
Supplier Device Package
0612
Ratings
-
Size / Dimension
0.059" L x 0.120" W (1.50mm x 3.05mm)
Height - Seated (Max)
0.025" (0.64mm)
Number of Terminations
4
Failure Rate
-
Datasheet & Documents
Part Numbering Guide
Wirewound Resistors Part Numbering Manual
HTML Datasheet
WSK0612L5000FEA-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8533.21.0030
Additional Information
Other Names
541-WSK0612L5000FEADKR
541-WSK0612L5000FEATR
541-WSK0612L5000FEACT
Standard Package
4,000
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)
Dec 02, 2025
他們的物流流程標準化，確保每次配送都高效準時，大大提升合作效率。
Dec 02, 2025
Excellent packaging design made unboxing a pleasant experience, and the product feels solid.
Dec 02, 2025
I receive my orders precisely on time, which helps me meet my project milestones.
Dec 02, 2025
DiGi Electronics maintains a high standard of consistency that keeps me coming back.
Dec 02, 2025
Choosing DiGi means choosing a greener future with affordable options.
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Frequently Asked Questions (FAQ)
Can the WSK0612L5000FEA be used as a direct replacement for the CST0612-FC-R0005-E in a high-vibration automotive current-sensing application, and what design risks should I evaluate before making the switch?
While both the WSK0612L5000FEA and CST0612-FC-R0005-E offer 0.5 mΩ resistance with 1% tolerance and AEC-Q200 qualification, the WSK0612L5000FEA features a metal element construction with anti-sulfur and pulse-withstanding capabilities that may provide better long-term reliability in harsh environments. However, the CST0612-FC-R0005-E uses a different substrate and termination design, which could affect solder joint integrity under extreme vibration. Before substitution, validate mechanical robustness through thermal cycling and vibration testing, and confirm that the WSK0612L5000FEA’s lower profile (0.64mm max height) doesn’t compromise PCB strain relief in your layout.
What are the key reliability concerns when using the WSK0612L5000FEA in a 48V mild-hybrid vehicle system where load dump pulses exceed 100V, and how does its pulse-withstanding feature mitigate these risks?
In 48V systems, transient events like load dumps can generate high-energy pulses that threaten current-sense resistors. The WSK0612L5000FEA is designed with pulse-withstanding capability, allowing it to absorb short-duration overvoltage events without catastrophic failure—critical for protecting downstream circuitry. However, its 1W continuous power rating limits safe operation during sustained overloads. To ensure reliability, pair the WSK0612L5000FEA with a properly rated TVS diode and validate pulse energy handling using I²t calculations based on expected transient profiles. Also, maintain adequate creepage distance due to the wide 0612 footprint in high-voltage layouts.
Is the WSK0612L5000FEA suitable for high-altitude industrial motor drives where ambient temperatures reach 150°C, and what derating strategy should be applied given its -65°C to 170°C operating range?
The WSK0612L5000FEA’s specified operating range extends to 170°C, but continuous operation near this limit requires careful derating. At 150°C ambient, the resistor’s internal temperature may exceed safe metallurgical stability thresholds, accelerating drift in resistance value. Apply a conservative derating curve—reduce power dissipation to ≤30% of the 1W rating above 125°C—and ensure sufficient copper area for heat spreading. Additionally, verify that the PCB’s glass transition temperature (Tg) and solder alloy can withstand repeated thermal excursions, as the WSK0612L5000FEA’s anti-sulfur coating does not protect against thermal fatigue at terminations.
How does the WSK0612L5000FEA compare to the newer WSKW0612L5000FEA in terms of long-term drift and sulfur resistance for use in offshore wind turbine power converters exposed to H₂S-rich environments?
Both the WSK0612L5000FEA and WSKW0612L5000FEA share the same 0.5 mΩ value, 1% tolerance, and AEC-Q200 compliance, but the WSKW variant includes enhanced anti-sulfur protection optimized for industrial and marine atmospheres. In H₂S-rich environments like offshore turbines, the standard WSK0612L5000FEA may experience increased contact resistance over time due to sulfide formation on terminations, leading to measurement drift. If your application demands >10-year field life, consider migrating to the WSKW version despite its obsolescence status; otherwise, implement conformal coating and periodic calibration checks when using the WSK0612L5000FEA.
What layout and grounding practices are critical when integrating the WSK0612L5000FEA into a high-precision battery management system to avoid measurement errors from thermoelectric voltages or ground loops?
The WSK0612L5000FEA’s ultra-low resistance makes it highly susceptible to thermoelectric EMF and parasitic ground impedance. Use a 4-terminal (Kelvin) connection with separate force and sense traces routed differentially back to the ADC, avoiding shared return paths. Place the sense traces symmetrically and away from heat sources to minimize thermal gradients across the resistor body. Ensure the PCB has a solid ground plane beneath but isolate the sense node with a moat if necessary. Also, match copper weights on both sides of the WSK0612L5000FEA to prevent warpage-induced stress, which can alter resistance over time—especially critical in multi-cell BMS designs where µV-level accuracy impacts state-of-charge estimation.
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WSK0612L5000FEA CAD Models
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