ERJP08F3903V Panasonic Resistor (Other) In Stock
Panasonic ERJP08F3903V is a precision thick film surface mount resistor in a 1206 package with 390kΩ resistance, ±1% tolerance, and 0.66W power rating. Its ±100 ppm/°C TCR delivers stable high-impedance performance across industrial temperature ranges. RoHS and REACH compliant, available globally through authorized distributors with a 22-week factory lead time.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP08F3903V Datasheet PDF
- Category
- Resistor
- Price
- From $0.0375(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 ERJP08F3903V?
- 390kΩ high-impedance resistance with ±1% precision tolerance in 1206 package for accurate voltage dividers and high-impedance feedback networks
- 0.66W power rating with ±100 ppm/°C TCR enabling reliable operation from -55°C to +155°C in industrial and precision measurement applications
- RoHS and REACH compliant with JESD-609 e3 lead-free code, compatible with standard Pb-free reflow solder processes at up to 260°C peak
What is ERJP08F3903V used for?
The ERJP08F3903V is ideal for high-impedance voltage divider networks, op-amp feedback paths, and ADC input attenuation stages in precision instrumentation and industrial sensor interfaces. Its 390kΩ value at ±1% tolerance also suits bias resistor configurations in oscilloscope input circuits, battery voltage monitoring dividers, and reference voltage scaling networks operating from 12V to 48V rails.
What are the specifications of ERJP08F3903V?
| 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 | 1.6mm |
| Packing Method | TR, PUNCHED, 7 INCH |
| Rated Power Dissipation (P) | 0.66W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 390000Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1206 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 100ppm/°C |
| Terminal Finish | MATTE TIN OVER NICKEL |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 500V |
| 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 ERJP08F3903V datasheet?
ERJP08F3903V Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP08F3903V?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What continuous voltage can be safely applied across the ERJP08F3903V at its rated power?
With a 390kΩ resistance and 0.66W power rating, the ERJP08F3903V can support a maximum continuous voltage of approximately 507V (calculated as the square root of 0.66W × 390kΩ). In practice, designers typically derate to 70%, limiting continuous working voltage to around 355V, which covers 48V bus voltage dividers and medium-voltage industrial monitoring circuits comfortably.
How does the ±100 ppm/°C TCR of ERJP08F3903V affect ratio accuracy in a 2-resistor voltage divider over temperature?
In a two-resistor divider where both resistors share the same ±100 ppm/°C TCR, the ratio error cancels almost entirely because both resistors track together over temperature. If mismatched TCR resistors are used, however, a 100°C temperature rise can shift the 390kΩ resistor by up to 39kΩ — an error of 10% — underscoring the importance of using matched TCR values in precision divider pairs for 12-bit or better measurement accuracy.
For which precision measurement scenarios is the ERJP08F3903V a better fit than a 1MΩ resistor?
The ERJP08F3903V at 390kΩ is preferred over 1MΩ when lower Johnson thermal noise is required, since noise spectral density scales as the square root of resistance — 390kΩ produces about 2.5 µV/√Hz noise floor, versus 4 µV/√Hz for 1MΩ at 25°C in a 1 kHz bandwidth. This makes the 390kΩ choice better for low-noise ADC input networks, precision op-amp bias resistors, and low-level pH sensor signal conditioning circuits.
What sourcing options exist for the ERJP08F3903V at production volumes?
The ERJP08F3903V is available through the global Panasonic authorized distributor network in standard tape-and-reel packaging at 3,000 or 10,000 piece quantities, with a factory lead time of 22 weeks for freshly manufactured stock. Spot inventory at stocking distributors often covers smaller order quantities for immediate prototype delivery, and the part's RoHS and REACH compliance clears it for European CE marking and international export requirements.
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About Panasonic
Panasonic is a leading electronic component manufacturer. FindMyChip sources Panasonic ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $0.1200 | $0.60 |
| 25+ | $0.1130 | $2.83 |
| 50+ | $0.1070 | $5.35 |
| 5000+ | $0.0375 | $187.50 |
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