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SMM02040D5603DB300
Vishay Beyschlag/Draloric/BC Components
SMM0204 25 560K 0.5% B3
29203 Pcs New Original In Stock
Chip Resistor
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Minimum 1
5.0 / 5.0
- (435 Ratings)
SMM02040D5603DB300
Product Overview
2085659
DiGi Electronics Part Number
SMM02040D5603DB300-DGManufacturer
Vishay Beyschlag/Draloric/BC Components
SMM02040D5603DB300
Description
SMM0204 25 560K 0.5% B3Inventory
29203 Pcs New Original In Stock
Chip Resistor
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
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SMM02040D5603DB300 Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Tape & Reel (TR)
Series
*
Product Status
Active
Datasheet & Documents
HTML Datasheet
SMM02040D5603DB300-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8533.21.0040
Additional Information
Other Names
749-SMM02040D5603DB300TR
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
제품 포장이 섬세하고 튼튼해서 걱정 없었고, 배송 추적도 아주 편리하게 사용했습니다.
Dec 02, 2025
Bei DiGi Electronics fühlt man sich durch die sorgfältige Verpackung gut aufgehoben. Ich hatte noch nie Probleme.
Dec 02, 2025
Ich kann die schnelle Versandabwicklung nur loben, sie ist wirklich vorbildlich.
Dec 02, 2025
Whenever I had questions post-purchase, their support team responded quickly and professionally.
Dec 02, 2025
Shopping here feels safe and straightforward, thanks to the well-structured website.
Dec 02, 2025
Their attentive after-sales service reassures us of their reliability.
Dec 02, 2025
DiGi Electronics' commitment to excellence is evident in their offerings.
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Frequently Asked Questions (FAQ)
Can I replace the SMM02040D5603DB300 with a standard thick-film resistor like the Yageo RC0204JR-07560KL in a precision voltage divider for a 4–20 mA loop transmitter without introducing significant error?
No, direct replacement is not recommended. The SMM02040D5603DB300 is a thin-film metal strip resistor with 0.5% tolerance and ultra-low TCR (±25 ppm/°C typical), while the Yageo RC0204JR-07560KL is a thick-film resistor with ±5% tolerance and ±200 ppm/°C TCR. In precision current-loop applications, even small resistance drift due to temperature or self-heating can introduce measurable output error. Using the thick-film alternative may exceed system accuracy budgets, especially under thermal cycling or high ambient temperatures. For reliable performance, stick to thin-film or metal foil types with matched TCR and low thermal EMF.
What are the key reliability risks when using the SMM02040D5603DB300 in a high-humidity industrial environment, and how does its MSL 1 rating influence board-level design decisions?
Although the SMM02040D5603DB300 has an MSL 1 (unlimited floor life) rating—meaning it’s not moisture-sensitive and doesn’t require dry packing or baking—its long-term reliability in high-humidity environments still depends on PCB layout and conformal coating. The component itself is robust, but adjacent traces or insufficient solder mask clearance can lead to electrochemical migration under sustained humidity. Always maintain adequate creepage distances (>0.5 mm for basic insulation at <30 V) and consider applying a hydrophobic conformal coating if the end product operates in condensing environments. The SMM02040D5603DB300’s hermetic-like thin-film construction minimizes internal corrosion risk, but system-level protection remains critical.
How does the power rating and thermal derating of the SMM02040D5603DB300 compare to similar-sized resistors like the Panasonic ERJ-120AR5603, and what implications does this have for thermal management in compact sensor modules?
The SMM02040D5603DB300 is rated for 0.4 W at +70°C with derating starting above that temperature, whereas the Panasonic ERJ-120AR5603 (also 0805 size) is rated for 0.25 W. This higher power handling gives the SMM02040D5603DB300 better thermal headroom in space-constrained designs like sensor signal conditioning circuits. However, its metal film construction has lower thermal conductivity than some thick-film alternatives, so localized hot spots can occur if mounted over narrow copper pours. To maximize reliability, use a solid ground plane or thermal via array beneath the resistor and avoid placing it near other heat-generating components. Always verify actual operating temperature with IR imaging or thermocouples under worst-case load.
Is the SMM02040D5603DB300 suitable for use in a 12-bit ADC reference divider where long-term stability matters more than initial tolerance, and how does its aging characteristic compare to Vishay’s own MMBT series?
Yes, but with caveats. The SMM02040D5603DB300 offers excellent long-term stability due to its passivated thin-film construction and low current noise, making it a strong candidate for 12-bit ADC references. However, Vishay’s MMBT series (e.g., MMBT5603) provides even better drift performance (<30 ppm over 10,000 hours at 70°C) due to enhanced stabilization processes. If your design prioritizes minimal gain drift over years of operation—such as in calibration-critical instrumentation—consider upgrading to the MMBT variant. For most industrial 12-bit systems, the SMM02040D5603DB300 is sufficient, but validate aging effects through accelerated life testing if field accuracy drift is a failure mode.
Can I safely parallel two SMM02040D5603DB300 resistors to achieve a lower effective resistance and higher power handling in a current-sense application, and what layout pitfalls should I avoid?
Paralleling two SMM02040D5603DB300 resistors (each 560 kΩ) will yield ~280 kΩ, but this approach is impractical for current sensing due to the extremely high resistance value—current-sense resistors are typically <1 Ω. Assuming you meant a lower-value variant of the same series (e.g., SMM02040C1000DB300 for 100 mΩ), paralleling is possible but introduces risks: unequal current sharing due to TCR mismatch, thermal coupling causing positive feedback, and increased parasitic inductance. To mitigate this, place the resistors symmetrically with identical trace lengths, use a Kelvin connection for sensing, and ensure adequate spacing to prevent thermal interaction. Better yet, select a single resistor rated for the required power (e.g., Vishay WSL series for high-power current sensing) rather than paralleling precision types not optimized for that role.
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.
SMM02040D5603DB300 CAD Models
Vishay Beyschlag/Draloric/BC Components SMM02040D5603DB300 PCB symbols & footprints
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