ERJP14J122U Panasonic Resistor (Other) In Stock
Panasonic ERJP14J122U is a thick-film surface-mount resistor in 1210 case with 1.2 kΩ resistance, ±5% tolerance, 0.5 W power rating, and ±200 ppm/°C temperature coefficient. The Pb-free 3.2 mm × 1.6 mm × 0.6 mm SMD package is REACH-compliant for general-purpose industrial applications. Available for worldwide shipping with competitive pricing.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP14J122U Datasheet PDF
- Category
- Resistor
- Price
- From $0.0344(MOQ 10)
- 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 ERJP14J122U?
- 1.2 kΩ resistance in 1210 SMD package (3.2 mm × 1.6 mm) with 0.5 W power rating for general-purpose current limiting
- ±5% tolerance and ±200 ppm/°C TCR provide a cost-effective option for non-precision resistor applications
- Pb-free REACH-compliant construction compatible with RoHS-mandated manufacturing processes
What is ERJP14J122U used for?
The ERJP14J122U is suitable for general-purpose current-limiting, pull-up, and decoupling applications in consumer electronics, LED driver circuits, and industrial control boards. Its 0.5 W power rating in the 1210 package allows use in higher-current paths where 0805 or 0603 resistors would overheat. The ±5% tolerance makes it cost-effective for non-critical resistor positions such as discharge networks and blocking resistors in power management designs.
What are the specifications of ERJP14J122U?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 22Weeks |
| YTEOL | 12 |
| 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) | 0.5W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 1200Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1210 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 200ppm/°C |
| Terminal Finish | MATTE TIN OVER NICKEL |
| Terminal Shape | WRAPAROUND |
| Tolerance | 5% |
| 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 ERJP14J122U datasheet?
ERJP14J122U Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP14J122U?
Compatible alternatives and drop-in replacements for ERJP14J122U:
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Frequently Asked Questions
How does the ±5% tolerance of the ERJP14J122U compare to ±1% variants for LED current-limiting applications?
For an LED current-limiting application, the ±5% tolerance of the ERJP14J122U means the actual resistance can range from 1.14 kΩ to 1.26 kΩ. This translates to a ±5% variation in forward current, which is generally acceptable for indicator LEDs where exact brightness consistency is not critical. Designs requiring tighter luminosity matching across multiple LEDs should use ±1% tolerance alternatives such as the ERJP14F series to keep current variation within ±1%.
What continuous current can safely flow through the ERJP14J122U at room temperature?
With a 0.5 W power rating and nominal 1.2 kΩ resistance, the ERJP14J122U safely handles a maximum continuous current of approximately 20.4 mA, calculated as I = √(P/R) = √(0.5/1200). At this current level, the voltage drop across the resistor is about 24.5 V. Designers should derate the current at temperatures above 70°C to prevent exceeding the power rating and ensure long-term reliability.
When is the ERJP14J122U a suitable alternative to a wire-wound resistor for 1.2 kΩ applications?
The ERJP14J122U is a suitable replacement for wire-wound resistors in applications where the frequency content is below a few MHz, the power dissipation is at or below 0.5 W, and tight inductance control is unnecessary. Thick-film SMD resistors like the ERJP14J122U have lower parasitic inductance than wire-wound parts, making them preferable for switching circuits and pulse applications up to several MHz. They also support automated SMD assembly, reducing board assembly costs compared to axial wire-wound parts.
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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 |
|---|---|---|
| 10+ | $0.0880 | $0.88 |
| 5000+ | $0.0373 | $186.50 |
| 10000+ | $0.0353 | $353.00 |
| 15000+ | $0.0344 | $516.00 |
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