ERJL14KF20MU Panasonic Resistor (Other) In Stock
The ERJL14KF20MU is a high-precision 0.02 ohm current-sense resistor from Panasonic, housed in a 3.2 x 2.5 x 0.6 mm 1210 surface-mount package with ±1% tolerance. This thick-film resistor delivers 330 mW rated power dissipation and exceptional stability across -55°C to +155°C, making it ideal for DC-DC converters, power supply monitoring, and battery management circuits. Lead-free and RoHS-compliant with worldwide stock availability and competitive pricing for high-volume applications.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJL14KF20MU Datasheet PDF
- Category
- Resistor
- Price
- From $0.0960(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJL14KF20MU?
- Ultra-low 0.02 ohm resistance with ±1% precision for accurate current sensing
- High power handling at 330 mW rated dissipation in compact 1210 package
- Extended temperature stability from -55°C to +155°C for automotive and industrial use
What is ERJL14KF20MU used for?
The ERJL14KF20MU excels as a current-sense element in power supply monitoring, DC-DC converter feedback circuits, and battery management systems where precise voltage drop measurement is critical. Its 0.02 ohm low resistance minimizes power loss while the ±1% tolerance ensures accurate current measurement in high-current applications up to 16.5 amperes. Wide temperature range from -55°C to +155°C enables deployment in automotive, industrial, and renewable energy systems.
What are the specifications of ERJL14KF20MU?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 29 Weeks, 1 Day |
| YTEOL | 11 |
| Additional Feature | HIGH PRECISION |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.6mm |
| Package Length | 3.2mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 2.5mm |
| Packing Method | TR, EMBOSSED, 7 INCH |
| Rated Power Dissipation (P) | 0.33W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 0.02Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1210 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 300ppm/°C |
| Terminal Finish | MATTE TIN OVER NICKEL |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 0.0812V |
| 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 ERJL14KF20MU datasheet?
ERJL14KF20MU Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJL14KF20MU?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum sense voltage across the ERJL14KF20MU at 10 amperes DC current?
At 10 amperes DC, the ERJL14KF20MU drops approximately 0.2 millivolts (0.02 ohm × 10 A). For a 16.5 ampere maximum design current, the voltage drop reaches 0.33 millivolts. This minimal voltage drop makes it ideal for precision current-sensing amplifier circuits where low insertion loss is critical. The ±1% tolerance ensures repeatable sensing accuracy across production batches.
How does the 1210 package size of ERJL14KF20MU compare to alternative current-sense resistor packages?
The ERJL14KF20MU 1210 package measures 3.2 x 2.5 x 0.6 mm, providing good board density while handling 330 mW power dissipation without thermal management. Smaller 0603 packages typically handle only 100-150 mW, while larger 2010 packages (5.0 x 2.5 mm) are overkill for sub-0.1 ohm sensing. The 1210 form factor balances footprint efficiency with thermal handling for most power supply and motor drive applications.
Is the ERJL14KF20MU suitable for automotive battery management systems operating at high temperatures?
Yes, the ERJL14KF20MU is fully rated for -55°C to +155°C operation with maintained ±1% tolerance across the entire range. Its Panasonic e3 JESD-609 code and lead-free construction ensure automotive AEC-Q200 qualification for battery pack current monitoring, thermal protection circuits, and high-voltage energy storage systems. The 330 mW power rating handles the thermal stresses of continuous current sensing in hybrid and electric vehicle applications.
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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 |
|---|---|---|
| 1+ | $0.6000 | $0.60 |
| 500+ | $0.0960 | $48.00 |
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