ERJP14F3303U Panasonic Resistor (Other) In Stock
Panasonic ERJP14F3303U is a thick film surface mount resistor in 1210 package with 330kΩ resistance, ±1% tolerance, 0.5W power rating, and ±100ppm/°C temperature coefficient. Suited for high-impedance sensing and voltage divider circuits. Available from stock worldwide with fast shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP14F3303U Datasheet PDF
- Category
- Resistor
- Price
- From $0.1350(MOQ 5)
- Temp Range
- -55.0°C to 155.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJP14F3303U?
- 330kΩ high-value precision resistance with ±1% tolerance for accurate high-impedance voltage divider designs
- 0.5W power rating in 1210 package (3.2mm × 1.6mm) with only 0.6mm mounting height
- ±100ppm/°C temperature coefficient maintains resistance stability across -55°C to +155°C
- Thick film construction with AEC-Q200 compliance for automotive and industrial reliability
- RoHS compliant with REACH compliance and e3 JESD-609 lead-free solder code
What is ERJP14F3303U used for?
The ERJP14F3303U is commonly used in high-impedance voltage divider networks for analog front-ends, input protection circuits for high-voltage ADC channels, and sensor biasing networks in industrial measurement systems. Its 330kΩ value limits leakage current in capacitive sensing circuits and provides appropriate gate bias resistance for MOSFET drain-gate feedback amplifiers operating from 12V to 48V supplies. Automotive ECUs and building automation controllers use this resistor in voltage monitoring circuits where 330kΩ minimizes quiescent current draw on battery-backed power rails.
What are the specifications of ERJP14F3303U?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 22Weeks |
| YTEOL | 12 |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.6mm |
| Package Length | 3.2mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 2.5mm |
| Packing Method | TR, EMBOSSED, 7 INCH |
| Rated Power Dissipation (P) | 0.5W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 330000Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1210 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 100ppm/°C |
| Terminal Finish | Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 200V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
| Country of Origin | Japan |
Where can I find the ERJP14F3303U datasheet?
ERJP14F3303U Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP14F3303U?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
In a 48V automotive system, how much quiescent current does ERJP14F3303U draw in a voltage sense divider?
With 330kΩ in the voltage divider path connected to a 48V rail, quiescent current is approximately 48V / 330kΩ ≈ 145µA per resistor. This low standby current is critical for battery-backed systems requiring minimal parasitic drain during key-off periods. Power dissipated in the ERJP14F3303U is 48V² / 330kΩ ≈ 7mW, well within the 0.5W rating and providing over 70× safety margin even at the full 48V rail without derating.
How does the ±1% tolerance of ERJP14F3303U enable accurate 10:1 voltage division for a 100V industrial sensor front-end?
For a 10:1 voltage divider from 100V using ERJP14F3303U as the upper 330kΩ resistor paired with a 36.7kΩ lower resistor, output is 100V × 36.7kΩ / (330kΩ + 36.7kΩ) ≈ 10.01V. The ±1% tolerance on both resistors contributes a worst-case divider output error of approximately ±2%, resulting in an output range of 9.8V to 10.2V. This accuracy is sufficient for 12-bit ADC measurement applications where ±0.5% total error is acceptable after calibration, making the ERJP14F3303U suitable for precision industrial voltage monitoring at 12V to 100V input levels.
What is the self-heating voltage at maximum rated power for ERJP14F3303U, and does it matter for circuit design?
At the 0.5W maximum rating, voltage across the ERJP14F3303U is V = √(P × R) = √(0.5W × 330kΩ) ≈ 406V. This greatly exceeds any practical circuit supply voltage, meaning the 0.5W rating is never the binding constraint for the 330kΩ value — the working voltage rating of the 1210 package, typically 200V for Panasonic ERJP14 series, is the actual design limit. Designers working near the 200V working voltage limit should verify the maximum allowable voltage in the datasheet and apply appropriate derating of 80% to 160V in sustained high-voltage environments.
For a PCB layout with ERJP14F3303U, what soldering profile and pad dimensions are recommended for reliable reflow assembly?
The ERJP14F3303U in 1210 package requires standard IPC-7351 1210 land pattern with pad dimensions of approximately 1.7mm × 2.0mm per pad with 2.0mm pad-to-pad gap. Reflow soldering with lead-free SAC305 solder paste follows a profile peaking at 260°C for under 10 seconds, consistent with the e3 JESD-609 code rating. The 0.6mm package height and rectangular construction are compatible with standard 1210 tape-and-reel pick-and-place assembly. Panasonic recommends a 150°C to 180°C preheat zone for 60 to 120 seconds before peak reflow to minimize thermal shock to the thick film resistive element.
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About Panasonic
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $0.1500 | $0.75 |
| 25+ | $0.1420 | $3.55 |
| 50+ | $0.1350 | $6.75 |
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