ERJB1BF1R0U Panasonic Resistor (Other) In Stock
Panasonic ERJB1BF1R0U is a high-power thick-film chip resistor rated for 1W dissipation with 1 ohm nominal value and ±1% tolerance in a 2010 surface-mount package. This robust component features ±100 ppm/°C temperature stability and is RoHS-compliant for demanding current-sensing and load-balancing applications. Widely available in stock with global distribution ensuring immediate availability for high-volume PCB manufacturing.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJB1BF1R0U Datasheet PDF
- Category
- Resistor
- Price
- From $0.1630(MOQ 5000)
- 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 ERJB1BF1R0U?
- 1W power rating enables high-current applications exceeding 500 mA at low resistance values
- Low 1Ω resistance provides precision current sensing with minimal voltage drop across distribution networks
- 2010 package (5.0×2.5 mm) balances power dissipation and board density for compact designs
What is ERJB1BF1R0U used for?
The ERJB1BF1R0U excels as a current-sense resistor in power management ICs, battery charging circuits, and motor drive applications where accurate current monitoring is critical. Its 1W dissipation and 1Ω value make it ideal for low-voltage, high-current paths in 12V/24V industrial supplies and electric vehicle power distribution systems. The robust 2010 footprint withstands thermal cycling and vibration in automotive and industrial environments operating from -55°C to 155°C.
What are the specifications of ERJB1BF1R0U?
| Reach Compliance Code | Compliant |
| Factory Lead Time | 18Weeks |
| YTEOL | 12 |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.55mm |
| Package Length | 2.5mm |
| Package Style | SMT |
| Package Width | 5mm |
| Packing Method | TR, Embossed, 7 Inch |
| Rated Power Dissipation (P) | 2W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200 |
| Resistance | 1Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1020 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 100ppm/°C |
| Terminal Finish | TIN |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 200V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
| Country of Origin | Japan |
Where can I find the ERJB1BF1R0U datasheet?
ERJB1BF1R0U Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJB1BF1R0U?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum continuous current can the ERJB1BF1R0U safely handle at its 1W power rating?
At 1W dissipation with 1Ω resistance, the ERJB1BF1R0U safely handles 1 ampere continuous DC current, generating approximately 1V drop across the resistor. This current capacity makes it ideal for monitoring charging currents in 12V lead-acid battery systems or 24V industrial power supplies where a precision 1Ω shunt provides both current limiting and real-time measurement feedback. The ±100 ppm/°C temperature coefficient maintains accurate 1V/1A scaling across -55°C to 155°C automotive temperature ranges without requiring external compensation.
How does the 2010 package compare to smaller form factors in high-current designs?
The ERJB1BF1R0U's 2010 package (5.0×2.5 mm footprint) provides 4-5 times more surface area than 0603 resistors, enabling superior thermal transfer to the PCB copper layer and substrate. A single 2010 resistor can dissipate 1W continuously while 0603 resistors are limited to 0.2W, meaning designs requiring 1A current sensing need one 2010 versus five parallel 0603 units. This consolidation saves board space, reduces assembly complexity, and improves current distribution uniformity in automotive battery management and industrial motor-control applications.
When should I choose ERJB1BF1R0U over ERJP series resistors for my current-monitoring circuit?
Select ERJB1BF1R0U when your circuit requires 0.5A to 1A continuous current sensing or load balancing; ERJP series resistors typically max out at 0.1-0.2W, limiting continuous current to 300-400 mA. The ERJB1 design with 1W/1Ω rating provides 3-5x better power handling while maintaining ±1% precision and ±100 ppm/°C stability. Applications like 12V automotive power distribution, industrial 24V control circuits, and EV charging systems mandate ERJB1 performance where high reliability and thermal margin justify the slightly larger 2010 footprint investment.
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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 |
|---|---|---|
| 5000+ | $0.4000 | $2000.00 |
| 20000+ | $0.1730 | $3460.00 |
| 25000+ | $0.1660 | $4150.00 |
| 30000+ | $0.1630 | $4890.00 |
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