ERJT14J12RU Panasonic Resistor (Other) In Stock
Panasonic ERJT14J12RU is a thick film SMD resistor in 1210 case with 12 Ω resistance, ±5% tolerance, 0.5 W power rating, and ±200 ppm/°C temperature coefficient. Lead-free, RoHS compliant, and available worldwide.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJT14J12RU Datasheet PDF
- Category
- Resistor
- Price
- From $0.0850(MOQ 100)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJT14J12RU?
- 12 Ω low-value resistance in 1210 SMD package supporting up to 204 mA continuous current at 0.5 W
- 0.5 W power rating — higher than 0402, 0603, and 0805 equivalents — for robust load handling
- ±5% tolerance suitable for current limiting, biasing, and termination networks
- ±200 ppm/°C temperature coefficient ensuring stable performance across -55°C to +155°C
- Thick film rectangular construction with excellent solderability and long-term reliability
- RoHS compliant for use in environmentally regulated markets worldwide
What is ERJT14J12RU used for?
The ERJT14J12RU is used in inrush current limiting, power-on reset networks, and low-value series termination in power supply outputs and motor control boards where 12 Ω at 0.5 W is needed. Its 1210 package dissipates heat effectively, enabling reliable operation in industrial equipment subject to continuous high-current pulses. The ±200 ppm/°C coefficient maintains consistent resistance from sub-zero field conditions to elevated enclosure temperatures.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ERJT14J12RU datasheet?
ERJT14J12RU Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJT14J12RU?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum continuous current does ERJT14J12RU support within its power rating?
At 12 Ω and a 0.5 W rating, the maximum continuous RMS current is approximately 204 mA. Applying the standard 70% derating guideline, the practical design limit is around 143 mA to maintain long-term reliability across the component's lifetime.
How does ERJT14J12RU perform as an inrush current limiter in a 12 V DC power supply?
In a 12 V supply input, a 12 Ω series resistor limits initial inrush to 1 A peak from a fully discharged bulk capacitor, protecting downstream components. At steady state with a 100 mA load, the ERJT14J12RU dissipates only 120 mW — well within its 0.5 W continuous rating.
Can ERJT14J12RU replace a 1206 resistor of the same value, and what tradeoffs should be expected?
The 1210 package of ERJT14J12RU is wider (2.5 mm) than a 1206 (1.6 mm), so the PCB footprint must be updated. The tradeoff is the 0.5 W rating of the 1210 versus 0.33 W for a typical 1206, making ERJT14J12RU the preferred choice when higher power dissipation at 12 Ω is required.
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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 |
|---|---|---|
| 100+ | $0.1090 | $10.90 |
| 500+ | $0.0970 | $48.50 |
| 1000+ | $0.0850 | $85.00 |
In Stock · 24h Response · Worldwide Shipping
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