ERJP14F3900U Panasonic Resistor (Other) In Stock
Panasonic ERJP14F3900U is a thick film surface mount resistor in 1210 case with 390Ω resistance, ±1% precision tolerance, 0.5W power rating, and ±100ppm/°C temperature coefficient. Available in stock with worldwide shipping for precision industrial and telecommunications applications.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP14F3900U Datasheet PDF
- Category
- Resistor
- Price
- From $0.0532(MOQ 5000)
- 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 ERJP14F3900U?
- 390Ω resistance with ±1% precision tolerance for accurate analog circuit design
- 0.5W power rating in 1210 package enabling higher current handling than smaller SMT resistors
- ±100ppm/°C low temperature coefficient maintaining resistance stability over wide temperature ranges
- RoHS compliant Pb-free construction with REACH certification for global market compliance
What is ERJP14F3900U used for?
The ERJP14F3900U is ideal for precision voltage dividers, current limiting, and feedback network components in industrial control systems and power management circuits. Its 0.5W rating and 1210 package provide adequate thermal headroom for designs where 390Ω resistors must handle elevated currents in DC-DC converter feedback loops. The ±1% tolerance makes it appropriate for signal conditioning in test and measurement equipment requiring consistent reference resistances.
What are the specifications of ERJP14F3900U?
| 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 | 390Ω |
| 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 ERJP14F3900U datasheet?
ERJP14F3900U Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP14F3900U?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much current can the ERJP14F3900U safely carry at its full 0.5W rating?
At 0.5W power dissipation with 390Ω resistance, the ERJP14F3900U can carry approximately 35.8mA of continuous current using P=I²R. This current handling capability makes it suitable for feedback dividers and current-sense applications in DC-DC converters, where the 1210 package size of 3.2mm length provides adequate thermal dissipation without requiring heat sink solutions.
For which precision measurement or calibration circuits is the ±1% tolerance of ERJP14F3900U appropriate?
The ±1% tolerance means the 390Ω resistance stays within ±3.9Ω of nominal, supporting voltage reference dividers, bridge circuits, and instrumentation amplifier gain-setting networks where component matching drives measurement accuracy. Combined with ±100ppm/°C temperature stability, the ERJP14F3900U maintains consistent ratios across industrial operating temperatures from -55°C to +155°C.
What lead time should procurement teams plan for when ordering ERJP14F3900U in volume?
The ERJP14F3900U has a factory lead time of 22 weeks, requiring early procurement planning for volume production schedules. Engineers designing 390Ω precision resistors into new products should qualify this part early and establish safety stock of at least 3 months to buffer against supply chain variability and prevent production stoppages.
How does ERJP14F3900U compare to 0805 resistors when selecting between 1210 and smaller packages?
The ERJP14F3900U in 1210 package offers 0.5W power dissipation versus 0.125W for typical 0603 or 0.25W for 0805 packages at the same 390Ω value. The larger 3.2mm footprint provides better heat spreading on PCB copper pour, making the ERJP14F3900U preferable when thermal performance outweighs board space constraints in power conversion and motor drive designs.
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 |
|---|---|---|
| 5000+ | $0.0620 | $310.00 |
| 10000+ | $0.0557 | $557.00 |
| 15000+ | $0.0532 | $798.00 |
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