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.

ACTIVEResistorVerified Jun 2026
Package / Visual Reference
ERJT14J22RUOther
Quick Facts
Manufacturer
Panasonic
Package
Other
Pin Count
2
Lifecycle
ACTIVE
Category
Resistor
Price
From $0.0870(MOQ 5)
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of ERJT14J22RU?

  • 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

What is ERJT14J22RU used for?

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 StatusCompliant
Lead-FreeYes (Pb-Free)

Where can I find the ERJT14J22RU datasheet?

ERJT14J22RU Datasheet Download

Official datasheet from Panasonic

What are equivalent replacements for ERJT14J22RU?

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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AvailabilityIn Stock
Reference Price (USD)
From $0.0870
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
5+$0.1000$0.50
25+$0.0920$2.30
50+$0.0870$4.35
pcs
Unit price: $0.1000 · Total: $0.50

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

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James Wright
Supply Chain Director, CircuitPro Ltd, UK