ERJ-S1DF3303U Panasonic Resistor (Other) In Stock
Panasonic ERJ-S1DF3303U is a thick film SMD resistor in 2010 package with 330 kΩ resistance and 1% tolerance, featuring anti-sulfur construction for enhanced reliability. Rated for industrial operating conditions with 3/4 W power handling. Stocked globally with fast worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJ-S1DF3303U Datasheet PDF
- Category
- Resistor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Anti-sulfur construction protects against sulfur-induced corrosion in harsh industrial and automotive environments
- 330 kΩ resistance with 1% tolerance in compact 2010 SMD package delivering precise and stable circuit performance
- 3/4 W power rating supports higher-power resistor applications in a surface-mount thick film form factor
Applications
The ERJ-S1DF3303U is suited for industrial control circuits, automotive electronics, and power supply designs where sulfur-resistant resistors are required to maintain long-term reliability. Its 330 kΩ, 1% precision makes it effective in voltage dividers, filter networks, and biasing circuits operating in environments with elevated sulfur contamination such as factory floors or engine compartments. The 2010 package supports automated SMT assembly while accommodating up to 3/4 W power dissipation.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Why is the anti-sulfur feature of ERJ-S1DF3303U important for industrial applications?
The anti-sulfur coating on the ERJ-S1DF3303U prevents silver migration and open-circuit failures caused by hydrogen sulfide (H2S) gas exposure, which is common in factory automation, oil and gas facilities, and outdoor enclosures. This protection significantly extends the operational life of 330 kΩ resistors compared to standard thick film components in sulfur-rich environments.
What power dissipation can the ERJ-S1DF3303U handle in continuous operation?
The ERJ-S1DF3303U is rated at 3/4 W (0.75 W) power dissipation in the 2010 SMD package, which is higher than comparable 0402 or 0603 resistors. This makes it suitable for applications requiring higher power handling, such as current-sense networks, pull-up resistors in high-impedance circuits, and voltage dividers operating across wide supply ranges up to several hundred volts.
How does the 1% tolerance of ERJ-S1DF3303U compare to general-purpose resistors for precision circuit design?
The 1% resistance tolerance of the ERJ-S1DF3303U ensures the 330 kΩ value stays within ±3.3 kΩ across temperature and aging, which is critical for precision voltage dividers, RC timing networks, and feedback resistors in op-amp circuits. Standard 5% resistors would allow up to ±16.5 kΩ deviation, making them unsuitable for tight gain or threshold applications that the ERJ-S1DF3303U supports.
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