ERJP14J1R2V Panasonic Resistor (Other) In Stock
Panasonic ERJP14J1R2V is a thick film surface mount resistor with 1.2 Ω resistance, ±5% tolerance, and 0.5 W power rating in a 1210 package. It features a -100 to +600 ppm/°C temperature coefficient and robust construction suited for current sensing and low-resistance power applications. Available worldwide with global shipping from authorized distributors.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP14J1R2V Datasheet PDF
- Category
- Resistor
- Price
- From $0.0850(MOQ 125)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJP14J1R2V?
- 1.2 Ω low-resistance thick film resistor in a 1210 SMT package (3.2 mm × 2.5 mm) providing higher power handling than 0805 variants
- 0.5 W continuous power rating with -100 to +600 ppm/°C temperature coefficient for stable low-resistance sensing in power circuits
- ±5% tolerance construction in a large-body 1210 footprint enabling higher current capacity than smaller package equivalents at the same resistance
What is ERJP14J1R2V used for?
The ERJP14J1R2V is designed for low-side current sensing, inrush current limiting, and overcurrent protection circuits in power converters, battery chargers, and motor control boards where a 1.2 Ω sense resistor with 0.5 W dissipation handles higher continuous currents than 0805 equivalents. Its 1210 package provides improved thermal dissipation compared to smaller 0805 and 0603 resistors, making it suitable for DC-DC converter output current monitors and LED driver current sense networks. The -100 to +600 ppm/°C temperature coefficient allows operation across the full industrial range from -40°C to +155°C with predictable resistance characteristics.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ERJP14J1R2V datasheet?
ERJP14J1R2V Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP14J1R2V?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum continuous current can the ERJP14J1R2V carry at its 0.5 W power rating?
At the 0.5 W rated power with 1.2 Ω resistance, the maximum continuous RMS current is √(0.5 W / 1.2 Ω) ≈ 645 mA. This makes the ERJP14J1R2V suitable for current sensing in circuits up to approximately 600 mA, with the 1210 package providing better thermal performance than a 0805-packaged equivalent for the same dissipation.
How does choosing the 1210 package of ERJP14J1R2V over a 0805 version affect PCB thermal design?
The 1210 package (3.2 mm × 2.5 mm) has a larger solder pad area than 0805 (2.0 mm × 1.25 mm), which improves thermal coupling to the PCB copper planes. At 0.5 W dissipation, this larger footprint reduces resistor junction temperature rise by distributing heat over a wider area, allowing the ERJP14J1R2V to operate at higher continuous current without exceeding the component's maximum rated temperature of +155°C.
For a 3.3 V powered IoT sensor circuit, how accurately does the ERJP14J1R2V measure current compared to a precision 1% resistor?
The ±5% tolerance of the ERJP14J1R2V means the actual resistance may be between 1.14 Ω and 1.26 Ω, introducing up to ±5% current measurement error. For a 3.3 V circuit with a 645 mA full-scale reading, this represents ±32 mA uncertainty at full scale. Applications requiring better than ±2% current accuracy should use a ±1% or ±0.5% tolerance alternative in the same 1210 footprint.
Which alternative Panasonic 1210 resistors provide tighter tolerance for precision current sensing compared to the ERJP14J1R2V?
Within the Panasonic ERJP14 series in the 1210 package, variants with the F suffix (e.g., ERJP14F1R2V) offer ±1% tolerance compared to the ±5% of the J-suffix ERJP14J1R2V. Both share the same 3.2 mm × 2.5 mm footprint and 0.5 W power rating, allowing a direct substitution on existing PCB layouts when upgrading from general-purpose to precision current sensing.
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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 |
|---|---|---|
| 125+ | $0.1090 | $13.63 |
| 250+ | $0.0970 | $24.25 |
| 500+ | $0.0850 | $42.50 |
In Stock · 24h Response · Worldwide Shipping
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