ERJ3BWFR100V Panasonic Resistor (Resistor Chip) In Stock
Panasonic ERJ3BWFR100V is a high-precision thick film chip resistor in 0603 package with 0.1 Ω resistance, ±1% tolerance, and 250 mW power rating. It offers RoHS-compliant surface mount construction for current sensing and power management applications. Available worldwide with competitive pricing and reliable Panasonic quality.
- Manufacturer
- Panasonic
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJ3BWFR100V Datasheet PDF
- Category
- Resistor
- Temp Range
- -55.0°C to 155.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Low 0.1 Ω resistance value optimized for current sensing and power monitoring circuits
- High-precision ±1% tolerance with stable rectangular thick film construction for accurate measurements
- 250 mW power rating in compact 0603 (1.6 × 0.8 mm) surface mount package
- RoHS-compliant e3 JESD-609 solder coating with lead-free construction for green electronics compliance
Applications
ERJ3BWFR100V low-value chip resistors are widely used in current sensing and monitoring circuits for battery management systems, DC-DC converters, and motor drive circuits where accurate measurement of currents up to several amperes is needed. The 0.1 Ω resistance and ±1% tolerance enable precise voltage drop measurements across the shunt for overcurrent protection and power metering. These resistors are also found in LED driver current regulation, industrial power supplies, and portable device charging circuits.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 27 Weeks, 5 Days |
| YTEOL | 12 |
| Additional Feature | HIGH PRECISION |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.55mm |
| 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) | 0.33W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 0.1Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 0603 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 0,150 ppm/°C |
| Terminal Finish | TIN |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 0.1817V |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resistance value and tolerance does ERJ3BWFR100V provide for current sensing designs?
ERJ3BWFR100V provides a 0.1 Ω resistance value with ±1% tolerance, making it well suited for precision current sensing applications where accurate voltage drop measurement across the shunt resistor is required in battery management, motor control, and DC-DC converter circuits up to 250 mW dissipation.
How much power can the ERJ3BWFR100V handle in a 0603 package, and how does that affect current sense range?
ERJ3BWFR100V is rated for 250 mW power dissipation in the 0603 package (1.6 × 0.8 mm). With 0.1 Ω resistance and P = I²R, this allows continuous sensing of currents up to approximately 1.58 A before reaching the power limit, suitable for portable device charging and LED driver current regulation.
When should a designer choose ERJ3BWFR100V over a higher-resistance 0603 resistor for a shunt application?
ERJ3BWFR100V is the better choice when the design requires minimal circuit loading and low power loss in the current path, since its 0.1 Ω shunt value produces only 10 mV drop per 100 mA, reducing measurement offset errors. Higher resistance shunts would waste more power and affect the operating voltage in tight 3.3 V or 5 V power rails.
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