ERJP14J1R3V Panasonic Resistor (Other) In Stock
Panasonic ERJP14J1R3V is a thick film surface mount resistor in 1210 case with ultra-low 1.3Ω resistance, ±5% tolerance, 0.5W power rating, and -100 to +600ppm/°C temperature coefficient. Available in stock with worldwide shipping for high-current and power electronics designs.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP14J1R3V 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 ERJP14J1R3V?
- Ultra-low 1.3Ω resistance enabling high-current sensing and power path applications in 1210 SMT format
- 0.5W continuous power dissipation rating supporting up to 620mA current flow through the low resistance path
- -100 to +600ppm/°C temperature coefficient accommodating general-purpose low-ohmic resistor requirements
- Thick film construction in 1210 package compatible with standard automated SMT assembly processes
What is ERJP14J1R3V used for?
The ERJP14J1R3V ultra-low resistance resistor is commonly used in overcurrent protection circuits, inrush current limiters, and motor drive current sensing networks where accurate low-impedance shunt monitoring is needed. Its 0.5W rating in the 1210 package handles the significant power dissipation inherent in high-current low-resistance applications found in battery management systems and DC-DC converters. The component also serves as a source degeneration resistor in power MOSFET circuits to improve current sharing and reduce oscillation in paralleled switch configurations.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ERJP14J1R3V datasheet?
ERJP14J1R3V Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP14J1R3V?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much current can flow continuously through ERJP14J1R3V without exceeding its power rating?
At 0.5W with 1.3Ω resistance, the ERJP14J1R3V supports approximately 620mA of continuous current calculated from I=sqrt(P/R). This high current capability in an SMT package makes the 1210 form factor suitable for motor current sensing, battery charging circuits, and power distribution paths where moderate currents and low resistance drop are design requirements.
For which battery management system designs is a 1.3Ω SMT shunt resistor most appropriate?
The ERJP14J1R3V 1.3Ω resistor suits battery management systems monitoring cell currents up to 500mA, producing a sense voltage of 650mV at full scale that is easily measured by a 12-bit ADC with a 1V reference. For higher-current applications above 1A, lower shunt resistances would be preferred to reduce power loss, but the 1210 package provides adequate thermal capacity for typical Li-ion cell monitoring up to 600mA charge or discharge rates.
How does the ±5% tolerance affect current measurement precision in a 1.3Ω shunt circuit?
With ±5% tolerance, the 1.3Ω shunt resistance varies from 1.235Ω to 1.365Ω, introducing up to ±5% error in current calculated from V/R. For applications requiring better than ±5% current accuracy, upgrading to a ±1% tolerance shunt at 1.3Ω in the same 1210 package reduces measurement uncertainty to ±1.3%, which is often sufficient for battery fuel gauge applications and motor protection circuits where tight current thresholds matter.
Why is the 1210 package preferred over 0805 for a 1.3Ω 0.5W resistor in power designs?
The 1210 package with its 3.2mm length provides greater contact area and copper thermal path for heat dissipation compared to 0805 at equivalent power. At 620mA through 1.3Ω, the ERJP14J1R3V dissipates the full 0.5W, and the larger 1210 footprint spreads that thermal energy more effectively into PCB copper planes. The 0805 package would typically be limited to 0.25W at similar resistances, making 1210 the better choice for high-current low-resistance shunts.
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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
Response within 24 hours · Worldwide shipping
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