ERJT14J221U Panasonic Resistor (Other) In Stock
Panasonic ERJT14J221U is a 220 Ω ±5% thick film anti-pulse SMD resistor in a 1210 package rated 0.5 W with ±200 ppm/°C TCR. RoHS and REACH compliant with JESD-609 e3 halogen-free rating. Available from $0.10 with worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJT14J221U Datasheet PDF
- Category
- Resistor
- Price
- From $0.0960(MOQ 1)
- 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 ERJT14J221U?
- Anti-pulse thick film construction rated for repetitive high-energy voltage transients without resistance degradation
- 220 Ω ±5% in 1210 SMD package (3.2 mm x 2.5 mm) with 0.6 mm height for robust surface-mount integration
- 0.5 W power rating with ±200 ppm/°C TCR providing stable operation across wide industrial temperature ranges
- RoHS-compliant, REACH-compliant, and JESD-609 e3 halogen-free rated for international market access
- 12-year estimated end-of-life availability with 22-week lead time supporting long-term design-in programs
What is ERJT14J221U used for?
The ERJT14J221U is used in current-limiting resistor positions for LED drivers, inrush current limiters, and gate resistor applications in power electronics requiring 220 Ω at 0.5 W with anti-pulse capability. Its 1210 SMT footprint handles higher power dissipation than 0805 or 0603 alternatives, making it suitable for automotive lighting control modules and industrial power supply circuits. The anti-pulse construction ensures reliable long-term performance in motor drive and relay switching circuits where repetitive transient voltage events are common.
What are the specifications of ERJT14J221U?
| 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 | 220Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1210 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 200ppm/°C |
| Terminal Finish | TIN |
| 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 ERJT14J221U datasheet?
ERJT14J221U Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJT14J221U?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 0.5 W power rating of the ERJT14J221U compare to 0805 resistors for high-current LED limiting applications?
The ERJT14J221U in 1210 package supports 0.5 W continuous dissipation, which is double the 0.25 W rating of a typical 0805 resistor. For an LED current-limiting application at 220 Ω, this allows safe operation at up to approximately 47.7 mA through the resistor without exceeding its thermal limits, whereas an 0805 alternative would be restricted to around 33.7 mA. The larger 1210 body also provides better thermal spreading, reducing hotspot temperatures in compact PCB layouts.
What is the resistance shift of the ERJT14J221U across an automotive -40°C to +125°C temperature range, and does it matter for gate resistor applications?
With a ±200 ppm/°C TCR, the 220 Ω nominal value of the ERJT14J221U shifts by up to ±7.26 Ω across the full -40°C to +125°C automotive temperature range of 165°C, a variation of roughly ±3.3%. For gate resistor applications in MOSFET or IGBT drivers, this drift has a small but measurable effect on switching speed and EMI characteristics, typically within acceptable design margins. Gate resistors in high-frequency switching converters above 200 kHz may need a ±100 ppm/°C alternative for tighter switching time control.
When is the ERJT14J221U a better fit than a standard ERJP14 precision resistor at the same 220 Ω, 1210 value?
The ERJT14J221U should be chosen over a precision ERJP14 series resistor when the circuit is exposed to repetitive pulse loads such as relay switching, motor inrush, or capacitor charging events. The anti-pulse construction of the ERJT14 series reinforces the 220 Ω resistive element to survive these 0.5 W transient events without drift, whereas precision thin film resistors are optimized for accuracy rather than pulse robustness and may degrade faster in high-energy pulse environments.
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About Panasonic
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.2720 | $0.27 |
| 5+ | $0.1300 | $0.65 |
| 25+ | $0.1250 | $3.13 |
| 47+ | $0.1224 | $5.75 |
| 50+ | $0.1180 | $5.90 |
| 64+ | $0.0960 | $6.14 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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