ERJT14J30RU Panasonic Resistor (Other) In Stock
ERJT14J30RU is a Panasonic ERJT14 series thick-film surface-mount resistor in the 1210 case with 30 Ω resistance, ±5% tolerance, and 0.5 W power rating. Temperature coefficient is ±200 ppm/°C. RoHS-compliant and available from stock worldwide with fast shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJT14J30RU Datasheet PDF
- Category
- Resistor
- Price
- From $0.1000(MOQ 5)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJT14J30RU?
- 30 Ω thick-film chip resistor in 1210 SMD case (3.2 mm × 2.5 mm) for moderate power applications
- 0.5 W power rating enabling continuous currents up to approximately 129 mA
- ±5% tolerance for general-purpose current-limiting and termination circuits
- ±200 ppm/°C temperature coefficient providing stable resistance across -55°C to +155°C
- ERJT14 series construction with REACH compliance and Pb-free Panasonic quality
What is ERJT14J30RU used for?
The ERJT14J30RU is suitable for current-limiting resistors in LED arrays, speaker impedance-matching networks, and snubber circuits in switching power supplies where 30 Ω and 0.5 W are required. Its 1210 package provides better heat dissipation than smaller 0402 or 0603 footprints, making it practical for applications with sustained moderate current draw. The component fits seamlessly in automated SMT assembly for consumer electronics and industrial power boards.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ERJT14J30RU datasheet?
ERJT14J30RU Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJT14J30RU?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum continuous current can safely flow through the ERJT14J30RU without exceeding its power rating?
At 30 Ω and a 0.5 W power rating, the ERJT14J30RU can handle a maximum continuous current of approximately 129 mA (I = sqrt(P/R) = sqrt(0.5/30)). This makes it suitable for moderate current-limiting in LED driver stages and snubber networks operating at 3.3 V to 5 V supply rails.
How does the ERJT14J30RU 1210 package compare to 0805 alternatives for thermal management?
The 1210 package (3.2 mm × 2.5 mm) of the ERJT14J30RU offers a larger pad area than 0805 (2.0 mm × 1.25 mm), improving heat transfer to the PCB copper. This allows the ERJT14J30RU to handle 0.5 W continuously, whereas typical 0805 resistors are limited to 0.125 W, making the 1210 choice critical for the higher power dissipation demand.
When would a designer select the ERJT14J30RU 30 Ω resistor for an audio or speaker application?
A 30 Ω series resistor is sometimes used for impedance bridging between an amplifier output and an 8 Ω or 4 Ω speaker load to limit peak current and protect the driver stage. The ERJT14J30RU's 0.5 W rating can sustain small-signal audio levels, though higher-power speaker circuits would require a wirewound or power resistor rated at several watts.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
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 |
|---|---|---|
| 5+ | $0.1100 | $0.55 |
| 25+ | $0.1050 | $2.63 |
| 50+ | $0.1000 | $5.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”
You May Also Like
NC20J00682JBA
AVX
Resistor
PR02000201001JR500
Vishay
Resistor
CRCW060322K6FKEA
Vishay
Resistor
MC01W0805122K6
MULTICOMP
Resistor
MC0125W1206130K1
MULTICOMP
Resistor
CPF0603B22K6E1
TE Connectivity
Resistor
CRCW1206133RFKEAHP
Vishay
Resistor
MC1206S4F1330T5E
MULTICOMP
Resistor
MC0125W12061133R
MULTICOMP
Resistor
CRCW1206133RFKEB
Vishay
Resistor
CRCW1206133RFKEA
Vishay
Resistor
CRCW0805133RFKEAHP
Vishay
Resistor
RC0805FR-1010KL
YAGEO (PHYCOMP)
Resistor
CRCW0805270RJNEA
Vishay
Resistor
CRCW080512K0JNEA
Vishay
Resistor
CRCW08051K80JNEA
Vishay
Resistor
RN73C2A2K21BTDF
TE Connectivity
Resistor
RN73C2A100RBTDF
TE Connectivity
Resistor
RN73C2A30K1BTDF
TE Connectivity
Resistor
RL0402FR-070R05L
YAGEO (PHYCOMP)
Resistor
RC0805JR-0712KL
YAGEO (PHYCOMP)
Resistor
PCF0805R-2K43BI
WELWYN
Resistor
PCF0805-R-2K49BT1
WELWYN
Resistor
CF12JT360R
Stackpole Electronics Inc.
Resistor