ERJP03J1R1V Panasonic Resistor (Resistor Chip) In Stock
The ERJP03J1R1V is a low-value thick-film chip resistor from Panasonic with 1.1 Ω resistance and ±5% tolerance, rated for 0.2 W continuous power dissipation in a compact 0603 surface-mount package measuring 1.6 mm × 0.45 mm height. This current-sensing and power distribution resistor features a temperature coefficient range of -150 to +400 ppm/°C and RoHS-compliant lead-free construction for automotive and industrial applications. Worldwide distributors stock this component with competitive bulk pricing and fast shipping options for production volumes.
- Manufacturer
- Panasonic
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP03J1R1V Datasheet PDF
- Category
- Resistor
- Price
- From $0.0200(MOQ 50)
- 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 ERJP03J1R1V?
- Ultra-low 1.1 Ω resistance in compact 0603 package ideal for current-sense and power rail drop measurements with minimal power dissipation
- 0.2 W power rating supports up to 427 mA continuous current at rated conditions for automotive battery management and LED driver applications
- RoHS compliant lead-free finish with AEC-Q200 qualification ensures reliable performance in automotive power distribution networks from -55°C to +155°C
What is ERJP03J1R1V used for?
The ERJP03J1R1V functions as a precision current-sense resistor in automotive battery management systems, high-current LED drivers, and power distribution modules requiring 1.1 Ω sensing across switching circuits operating up to 400 mA. Its low temperature coefficient and compact size make it ideal for portable battery chargers, solar charge controllers, and motor speed controllers demanding accurate current monitoring with minimal thermal impact.
What are the specifications of ERJP03J1R1V?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 12 |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.45mm |
| Package Length | 1.6mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 0.8mm |
| Packing Method | TR, PUNCHED, 7 INCH |
| Rated Power Dissipation (P) | 0.2W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 1.1Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 0603 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | -150,400 ppm/°C |
| Terminal Finish | TIN |
| Terminal Shape | WRAPAROUND |
| Tolerance | 5% |
| Working Voltage | 150V |
| Package | Resistor Chip |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
| Country of Origin | Japan, Mainland China |
Where can I find the ERJP03J1R1V datasheet?
ERJP03J1R1V Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP03J1R1V?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum continuous current rating for the ERJP03J1R1V 1.1 Ω resistor in battery management circuits?
The ERJP03J1R1V is rated for 0.2 W continuous power dissipation, allowing maximum continuous current of approximately 427 mA at full power rating across 1.1 Ω. This 427 mA threshold accommodates USB power delivery applications operating at 5 V with integrated sense resistors. For automotive battery systems, typical current sensing operates at 100-200 mA ranges where resistive drop remains below 50 mV.
How much voltage drop occurs across the ERJP03J1R1V when sensing 300 mA in automotive 12 V battery circuits?
The ERJP03J1R1V produces voltage drop of approximately 330 mV when carrying 300 mA continuous current across 1.1 Ω resistance. This 330 mV drop remains well below 5% budget in automotive 12 V systems and provides excellent current resolution for battery management controllers with 100 mV reference comparators. Power dissipation at 300 mA reaches 99 mW, within the 0.2 W rating with margin.
Can the ERJP03J1R1V replace a 2.2 Ω power resistor in LED driver current-limiting networks?
Direct substitution of 1.1 Ω for 2.2 Ω doubles LED current and requires circuit recalculation with revised limiting resistor values. However, for applications designed around 1.1 Ω current sensing, the ERJP03J1R1V provides superior precision compared to larger footprint 1206 resistors. The compact 0603 form factor saves 60% PCB area while maintaining 0.2 W power capability for 300-400 mA LED driver networks.
What are the temperature coefficient range and AEC-Q200 qualification details for the ERJP03J1R1V current-sense resistor?
The ERJP03J1R1V exhibits -150 to +400 ppm/°C temperature coefficient across -55°C to +155°C, introducing maximum 6.6% resistance variation at temperature extremes. This wider temperature band compared to precision resistors reflects the ±5% tolerance optimization for current sensing applications. It carries AEC-Q200 Grade 1 automotive qualification with RoHS 2.0 lead-free compliance rated for 260°C reflow soldering.
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About Panasonic
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 50+ | $0.0200 | $1.00 |
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