ERJP14F3903U Panasonic Resistor (Other) In Stock
Panasonic ERJP14F3903U is a precision thick-film SMD resistor in a 1210 package with 390 kΩ resistance, ±1% tolerance, 0.5 W power rating, and ±100 ppm/°C temperature coefficient. Available in stock worldwide with competitive pricing and global shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP14F3903U Datasheet PDF
- Category
- Resistor
- Price
- From $0.0800(MOQ 50)
- 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 ERJP14F3903U?
- 390 kΩ resistance with tight ±1% tolerance for precision analog and voltage divider applications
- 0.5 W power rating in a 1210 SMD package (3.2 mm × 2.5 mm) supports moderate-power circuit designs
- ±100 ppm/°C temperature coefficient delivers stable resistance across -55°C to +155°C operating range
- RoHS compliant Pb-free construction meets global environmental regulations for lead-free assembly
What is ERJP14F3903U used for?
The ERJP14F3903U is designed for precision voltage dividers, feedback networks in op-amp circuits, and high-impedance input biasing in analog instrumentation and measurement equipment. Its ±1% tolerance and ±100 ppm/°C TCR make it suitable for signal conditioning circuits in industrial sensors, data acquisition systems, and medical devices requiring stable 390 kΩ reference values. The 0.5 W 1210 package allows safe operation at elevated ambient temperatures without requiring a heatsink.
What are the specifications of ERJP14F3903U?
| 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 | 390000Ω |
| 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 ERJP14F3903U datasheet?
ERJP14F3903U Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP14F3903U?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How accurate is the ERJP14F3903U in precision voltage divider applications at elevated temperatures?
The ERJP14F3903U offers ±1% resistance tolerance and ±100 ppm/°C temperature coefficient, so across a 100°C temperature swing the resistance drift is approximately 1% additional variation. For a 390 kΩ resistor in a precision voltage divider powered by a 5 V reference, this results in output voltage shifts under a few millivolts, meeting accuracy requirements in many industrial analog measurement applications.
Can the ERJP14F3903U handle 0.5 W continuous dissipation in high-impedance feedback networks?
Yes, the ERJP14F3903U is rated at 0.5 W continuous power dissipation in its 1210 SMD package, which measures 3.2 mm × 2.5 mm. For a 390 kΩ resistor, 0.5 W corresponds to approximately 442 V maximum voltage, far exceeding typical 12 V to 48 V circuit supply voltages, so power dissipation is rarely a limiting factor in standard feedback or biasing applications.
What distinguishes ERJP14F3903U from the ±5% tolerance variant for analog circuit design?
The ERJP14F3903U features ±1% tolerance versus ±5% for the J-suffix variants, providing four times tighter initial accuracy for the 390 kΩ value. This precision is critical in op-amp gain-setting feedback networks, ADC input scaling dividers, and instrumentation amplifier references where a ±5% resistor mismatch would introduce unacceptable offset errors, particularly in 16-bit or higher resolution measurement systems.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
Why Buy from FindMyChip
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 |
|---|---|---|
| 50+ | $0.0900 | $4.50 |
| 1000+ | $0.0820 | $82.00 |
| 2500+ | $0.0800 | $200.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”
You May Also Like
NC20J00682JBA
AVX
Resistor
PR02000201001JR500
Vishay
Resistor
CRCW060322K6FKEA
Vishay
Resistor
MC01W0805122K6
MULTICOMP
Resistor
MC0125W1206130K1
MULTICOMP
Resistor
CPF0603B22K6E1
TE Connectivity
Resistor
CRCW1206133RFKEAHP
Vishay
Resistor
MC1206S4F1330T5E
MULTICOMP
Resistor
MC0125W12061133R
MULTICOMP
Resistor
CRCW1206133RFKEB
Vishay
Resistor
CRCW1206133RFKEA
Vishay
Resistor
CRCW0805133RFKEAHP
Vishay
Resistor
RC0805FR-1010KL
YAGEO (PHYCOMP)
Resistor
CRCW0805270RJNEA
Vishay
Resistor
CRCW080512K0JNEA
Vishay
Resistor
CRCW08051K80JNEA
Vishay
Resistor
RN73C2A2K21BTDF
TE Connectivity
Resistor
RN73C2A100RBTDF
TE Connectivity
Resistor
RN73C2A30K1BTDF
TE Connectivity
Resistor
RL0402FR-070R05L
YAGEO (PHYCOMP)
Resistor
RC0805JR-0712KL
YAGEO (PHYCOMP)
Resistor
PCF0805R-2K43BI
WELWYN
Resistor
PCF0805-R-2K49BT1
WELWYN
Resistor
CF12JT360R
Stackpole Electronics Inc.
Resistor