ERJT14J22RU Panasonic Resistor (Other) In Stock
Panasonic ERJT14 anti-pulse thick film SMD resistor in 1210 case rated 22Ω ±5% and 0.5W, with ±200ppm/°C TCR and RoHS-compliant Pb-free termination. Engineered for repetitive surge loads in power and motor-drive circuits. From $0.05 in stock with worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJT14J22RU Datasheet PDF
- Category
- Resistor
- Price
- From $0.0870(MOQ 5)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Anti-pulse thick film structure absorbs repetitive surge energy without permanent resistance drift
- 1210 case (3.2 mm × 1.6 mm × 0.6 mm) provides 0.5W continuous power rating with large thermal mass
- 22Ω ±5% value suited for gate-drive series resistors and inrush-current limiters
- ±200ppm/°C TCR maintains resistance stability across -55°C to +155°C operating range
- RoHS-compliant Pb-free termination per JESD-609 e3 for automotive and industrial assemblies
Applications
The ERJT14J22RU is commonly used as a gate-drive series resistor on power MOSFETs and IGBTs in half-bridge inverters and DC-DC converters, where the 22Ω value balances switching speed against EMI at a 0.5W dissipation limit. It also serves as an inrush-current limiting element in capacitor-input power supplies and relay coil drive circuits, where the anti-pulse thick film construction tolerates repetitive high-energy transients. Automotive ECU boards and industrial motor controllers rely on this part for its surge robustness and RoHS-compliant Pb-free build.
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
For a 15V gate driver, how does the 22Ω ERJT14J22RU affect peak gate current and switching transition time?
With a 15V gate driver and the 22Ω ERJT14J22RU in series, peak gate current is limited to approximately 682 mA (15V / 22Ω). This slows the MOSFET turn-on transition from sub-10 ns toward 50 ns to 150 ns depending on gate capacitance, reducing dv/dt-induced EMI while keeping switching loss manageable. The anti-pulse construction tolerates thousands of such gate-charge pulses without resistance drift that would change switching speed over the product lifetime.
What happens to ERJT14J22RU's resistance accuracy over a -40°C to +125°C automotive temperature range?
The ±200ppm/°C TCR specification means across the 165°C span from -40°C to +125°C, resistance can drift by at most ±3.3% from nominal. Combined with the ±5% initial tolerance, worst-case total resistance error is ±8.3%, which is acceptable for gate-drive and current-limiting applications where exact resistance is less critical than surge robustness and consistent switching behaviour in automotive ECU environments.
Can ERJT14J22RU replace a standard 1210 22Ω resistor in an existing power-supply layout without changing the PCB?
Yes. The ERJT14J22RU shares the 1210 footprint (3.2 mm × 1.6 mm × 0.6 mm) with standard 1210 thick film resistors and is electrically specified at the same 22Ω ±5% with 0.5W rating. The only change is improved surge tolerance from the anti-pulse construction, so it is a pin-compatible drop-in upgrade for any existing 1210 land pattern without any board re-spin or additional qualification testing.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $0.1000 | $0.50 |
| 25+ | $0.0920 | $2.30 |
| 50+ | $0.0870 | $4.35 |
In Stock · 24h Response · Worldwide Shipping
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