ERJ2GEJ1R1X Panasonic Resistor (Other) In Stock
Panasonic ERJ2GEJ1R1X is a thick film surface mount resistor in 0402 package with 1.1Ω resistance, ±5% tolerance, and 0.1W power rating. Designed for current sensing and low-resistance circuit applications. Available from stock worldwide with fast shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJ2GEJ1R1X Datasheet PDF
- Category
- Resistor
- Price
- From $0.0036(MOQ 250)
- 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 ERJ2GEJ1R1X?
- 1.1Ω low resistance value with ±5% tolerance for current sensing and load applications
- Ultra-compact 0402 package (1.0mm × 0.5mm) enabling high-density PCB layouts
- 0.1W power rating with rectangular thick film construction for reliable SMD assembly
- RoHS compliant with e3 JESD-609 lead-free soldering code
- Panasonic ERJ series quality with consistent resistance across production lots
What is ERJ2GEJ1R1X used for?
The ERJ2GEJ1R1X is commonly used in current sensing networks, pull-down resistor arrays, and termination circuits in consumer electronics and mobile devices where board space is minimal. Its 1.1Ω value and 0402 package suit LED current-limiting circuits, battery protection modules, and motor driver feedback networks in wearables and IoT devices. The 0.1W rating accommodates typical signal-level currents up to 300mA at 1.1Ω, covering most low-power portable design requirements.
What are the specifications of ERJ2GEJ1R1X?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 20Weeks |
| YTEOL | 13 |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.35mm |
| Package Length | 1mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 0.5mm |
| Packing Method | TR, PUNCHED PAPER, 7 INCH |
| Rated Power Dissipation (P) | 0.1W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 1.1Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 0402 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | -100,600 ppm/°C |
| Terminal Finish | MATTE TIN OVER NICKEL |
| Terminal Shape | WRAPAROUND |
| Tolerance | 5% |
| Working Voltage | 50V |
| Package | Other |
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 ERJ2GEJ1R1X datasheet?
ERJ2GEJ1R1X Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJ2GEJ1R1X?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much current can the ERJ2GEJ1R1X handle continuously before exceeding its 0.1W power rating at 1.1Ω?
The ERJ2GEJ1R1X is rated for 0.1W maximum power dissipation. Using P = I²R, the maximum continuous current is √(0.1W / 1.1Ω) ≈ 301mA. In practice, engineers derate to 70% of rated power, limiting continuous current to about 213mA to extend component lifetime and ensure reliable operation across the full -55°C to +125°C temperature range specified for the ERJ2GE series.
For a smartphone battery protection circuit requiring current sensing at 200mA, how does ERJ2GEJ1R1X perform as a sense resistor?
At 200mA load current, the ERJ2GEJ1R1X develops a sense voltage of 200mA × 1.1Ω = 220mV across the resistor terminals. Power dissipation is 200mA² × 1.1Ω = 44mW, well within the 0.1W rating and providing comfortable thermal headroom. The ±5% tolerance means actual sense voltage varies between 209mV and 231mV, which is manageable for protection circuits using comparators with adjustable threshold voltages, but tight-tolerance 1% alternatives should be considered for precision current measurement.
What is the package size of ERJ2GEJ1R1X and how does it compare to a 0603-packaged resistor for automated assembly?
The ERJ2GEJ1R1X is housed in a 0402 package measuring 1.0mm × 0.5mm × 0.35mm height. A standard 0603 resistor measures 1.6mm × 0.8mm, occupying approximately 2.5× more board area. While 0402 requires pick-and-place machines with finer placement accuracy of ±0.05mm versus ±0.1mm for 0603, modern SMT lines handle 0402 as a standard component. Designers working with space-constrained wearable or implantable device PCBs prefer 0402 to maximize component density.
When should a designer choose ERJ2GEJ1R1X over an ERJ2RKF1R1X for precision voltage reference dividers?
The ERJ2GEJ1R1X carries ±5% tolerance on its 1.1Ω resistance, whereas the ERJ2RKF1R1X provides a tighter ±1% tolerance in the same 0402 package. For voltage reference divider networks requiring output accuracy better than ±2.5%, the ±1% ERJ2RKF1R1X is the appropriate choice. At ±5%, worst-case divider output error can reach ±10% when two ±5% resistors are combined, making ERJ2GEJ1R1X suitable only for non-precision applications such as current limiting, termination, or impedance matching where ±5% variation is acceptable.
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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 |
|---|---|---|
| 250+ | $0.0190 | $4.75 |
| 500+ | $0.0140 | $7.00 |
| 1000+ | $0.0120 | $12.00 |
| 30000+ | $0.0063 | $189.90 |
| 50000+ | $0.0036 | $178.00 |
In Stock · 24h Response · Worldwide Shipping
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