ERJT14J18RU Panasonic Resistor (Other) In Stock
Panasonic ERJT14J18RU is a thick-film surface-mount resistor in a 1210 package with 18 Ω resistance, ±5% tolerance, 0.5 W power rating, and ±200 ppm/°C temperature coefficient. Higher power rating than standard 0805 and 1206 sizes suits power-handling applications. Available in stock from global distributors with worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJT14J18RU Datasheet PDF
- Category
- Resistor
- Price
- From $0.0850(MOQ 100)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJT14J18RU?
- 18 Ω low resistance value suited for gate resistor, damping, and current limiting roles in power circuits
- 0.5 W power rating — double that of standard 0805 resistors — for elevated power dissipation applications
- 1210 SMD package provides a larger thermal footprint for improved heat spreading compared to 0805 and 1206
- ±5% tolerance covers general-purpose applications where tight resistance accuracy is not required
- ±200 ppm/°C temperature coefficient maintains adequate resistance stability across standard operating ranges
- Thick-film rectangular SMD construction compatible with automated reflow soldering and high-volume PCB assembly
What is ERJT14J18RU used for?
The ERJT14J18RU 18 Ω resistor is used as a gate damping resistor for MOSFET and IGBT drive circuits, as a series inrush limiting resistor, and in snubber networks within switching power supplies and motor control boards where 0.5 W dissipation in a compact SMD footprint is required. Its relatively low 18 Ω value is also suitable for current sensing reference networks and LED driver ballast resistors operating from 5 V to 24 V rails. The larger 1210 package offers better power handling and reliability compared to 0805 or 1206 parts at similar power levels.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ERJT14J18RU datasheet?
ERJT14J18RU Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJT14J18RU?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum continuous power the ERJT14J18RU can dissipate, and what current does that allow?
The ERJT14J18RU is rated at 0.5 W continuous power dissipation. For its 18 Ω resistance, this corresponds to a maximum continuous current of approximately 167 mA (I = sqrt(P/R) = sqrt(0.5/18)). This rating is suitable for gate drive resistors, LED current limiters, and other applications requiring moderate current handling in an SMD package.
Why use the 1210 package of the ERJT14J18RU instead of an 0805 or 1206 resistor for 18 Ω applications?
The 1210 package of the ERJT14J18RU offers a 0.5 W power rating, compared to 0.125 W for 0805 and 0.25 W for typical 1206 resistors. The larger 1210 body (approximately 3.2 mm x 2.5 mm) provides greater pad area for heat spreading. When circuit dissipation requirements exceed 0.25 W at 18 Ω — such as in gate resistor or snubber roles — the ERJT14J18RU is the natural upgrade path.
How does an 18 Ω gate resistor like the ERJT14J18RU affect MOSFET switching speed?
Placing an 18 Ω series resistor at the MOSFET gate slows the gate voltage rise and fall times by limiting the peak gate charge current. For a gate capacitance of 10 nF driven from a 10 V gate drive voltage, the RC time constant is approximately 180 ns (tau = R x C = 18 Ω x 10 nF), which dampens ringing and reduces conducted and radiated EMI while increasing switching transition time.
Can the ERJT14J18RU be used in RoHS-compliant designs, and what is its lead status?
The ERJT14J18RU belongs to Panasonic's ERJT14 series which is manufactured with Pb-free termination material, making it compatible with lead-free RoHS-compliant assembly processes. It can be soldered with SAC305 or similar lead-free solder alloys at peak reflow temperatures up to 260°C, meeting the requirements for products exported to the EU and other markets under RoHS directives.
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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 |
|---|---|---|
| 100+ | $0.1090 | $10.90 |
| 500+ | $0.0970 | $48.50 |
| 1000+ | $0.0850 | $85.00 |
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