ERJP14J9R1V Panasonic Resistor (Other) In Stock
Panasonic ERJP14J9R1V is a 9.1Ω ±5% 0.5W thick film surface mount resistor in a 1210 case with -100 to +600ppm/°C temperature coefficient. RoHS compliant, in stock worldwide with global shipping available.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP14J9R1V Datasheet PDF
- Category
- Resistor
- Price
- From $0.0850(MOQ 125)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 9.1Ω resistance at ±5% tolerance suitable for current-limiting and impedance-matching circuits
- 0.5W power rating in 1210 SMD package (3.2mm × 1.6mm) for high-density board assembly
- Wide TCR range of -100 to +600ppm/°C for general-purpose resistor applications
- Thick film construction from Panasonic ERJP14 anti-surge series ensures long-term stability
Applications
The ERJP14J9R1V 9.1Ω resistor is commonly used in current-limiting networks for LED driver circuits, termination resistors in signal lines, and power supply snubber networks. Its 0.5W rating at the 1210 footprint supports motor control gate drive circuits and speaker amplifier protection loads dissipating up to 0.5W continuously. The thick film construction makes it reliable in consumer electronics, industrial controllers, and audio amplifier boards operating across the -55°C to +125°C range.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much current can the ERJP14J9R1V carry continuously at its 9.1Ω resistance without exceeding its 0.5W rating?
At 9.1Ω with a 0.5W power limit, the maximum continuous current is approximately 234mA (I = √(P/R) = √(0.5/9.1) ≈ 0.234A). This current handling makes the ERJP14J9R1V suitable for LED current-limiting applications at supply voltages up to 3.3V where moderate current control is needed in the milliamp range.
For LED drive limiting in 5V logic circuits, does the 9.1Ω ERJP14J9R1V offer any advantage over a 10Ω standard value?
The 9.1Ω value from the E96 series allows slightly higher LED current than a 10Ω resistor at the same 5V supply, which translates to approximately 10% more luminous flux in indicator LED designs. The ±5% tolerance of ERJP14J9R1V means the effective resistance range is 8.6Ω to 9.6Ω, suitable for non-precision drive circuits where exact brightness is not critical.
What operating temperature range does the ERJP14J9R1V support in industrial enclosures?
The ERJP14J9R1V operates from -55°C to +125°C, covering the full industrial and extended automotive temperature range. The TCR of -100 to +600ppm/°C means resistance can shift by up to ±11% across the 180°C operating span, which is acceptable for current-limiting and general-purpose resistor applications but not for precision measurement circuits requiring tighter drift.
Can the ERJP14J9R1V be used as a snubber resistor in switching power supply designs?
Yes, the 9.1Ω value at 0.5W and the 1210 thick film construction make the ERJP14J9R1V usable in RC snubber networks for switching frequencies below 500kHz. Typical snubber applications pair this resistor with a ceramic capacitor in the 100pF to 1nF range to damp ringing at MOSFET drain nodes switching 12V to 48V rails, provided peak pulse energy stays within the anti-surge ERJP14 series ratings.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 125+ | $0.1090 | $13.63 |
| 250+ | $0.0970 | $24.25 |
| 500+ | $0.0850 | $42.50 |
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