ERJT14J39RU Panasonic Resistor (Other) In Stock
ERJT14J39RU is a Panasonic thick film SMD resistor in 1210 package with 39 Ω resistance, ±5% tolerance, and 0.5 W power rating for current-limiting and signal termination. Temperature coefficient is ±200 ppm/°C. Available from stock with worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJT14J39RU Datasheet PDF
- Category
- Resistor
- Price
- From $0.1030(MOQ 5)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJT14J39RU?
- 39 Ω low resistance in a robust 1210 package for higher-current circuit applications
- 0.5 W power rating handling up to 113 mA continuous current at 39 Ω
- ±5% tolerance providing reliable performance in LED current-setting and damping networks
- ±200 ppm/°C temperature coefficient for stable operation across commercial and industrial temperatures
- Pb-free and REACH/RoHS compliant (thick film construction) for global regulatory compliance
- 1210 SMT footprint offering 50% higher power handling than equivalent 1206 resistors
What is ERJT14J39RU used for?
The ERJT14J39RU is well-suited for LED current-limiting, CAN bus termination at 120 Ω parallel pairs, and series damping resistors in high-current switching circuits. Its 0.5 W rating at 39 Ω makes it practical for power supply output filter networks, motor driver current sensing auxiliary paths, and RF load resistor applications. The 1210 package ensures robust thermal performance and mechanical integrity under continuous high-current operation.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ERJT14J39RU datasheet?
ERJT14J39RU Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJT14J39RU?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What continuous current can the ERJT14J39RU safely handle in an LED driver circuit?
The ERJT14J39RU is rated at 0.5 W, allowing a maximum continuous current of approximately 113 mA (I = sqrt(P/R) = sqrt(0.5/39)). For a single high-brightness LED requiring 100 mA forward current, the resistor dissipates 0.39 W — within its 0.5 W limit — making it a reliable current-setting element when connected to a 5 V or higher supply rail.
How can two ERJT14J39RU resistors be combined to form a 120 Ω CAN bus termination network?
Two 39 Ω ERJT14J39RU resistors can be placed in series to give 78 Ω — not quite 120 Ω — but when paired with a decoupling capacitor in a split-termination network, they provide 120 Ω differential impedance while also filtering common-mode noise. This configuration is common in automotive CAN bus designs requiring robust EMC performance at 500 kbps or 1 Mbps data rates.
Why choose a 1210 package ERJT14J39RU over a 1206 version for high-power resistor applications?
The ERJT14J39RU in 1210 package offers 0.5 W power dissipation, compared to the typical 0.33 W of an equivalent 1206 resistor — a 52% improvement in thermal capacity. For a 39 Ω resistor in applications where current can spike to 100 mA, the extra headroom in the 1210 package reduces thermal stress and extends component lifetime at elevated ambient temperatures above 70°C.
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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+ | $0.1100 | $0.55 |
| 25+ | $0.1080 | $2.70 |
| 50+ | $0.1030 | $5.15 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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