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Home > Products > Resistors > Chip Resistor - Surface Mount > TRR18EZPJ122
Rohm Semiconductor
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TRR18EZPJ122

In Stock 628816 pcs Reference Price(In US Dollars)
1+
$0.0972
200+
$0.0388
500+
$0.0375
1000+
$0.0369
Manufacturer Part Number:
TRR18EZPJ122
Manufacturer / Brand
Rohm Semiconductor
Part of Description:
RES SMD 1.2K OHM 5% 1/4W 1206
Datasheets:
TRR18EZPJ122.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 628816 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number TRR18EZPJ122
Manufacturer / Brand Rohm Semiconductor
Stock Quantity 628816 pcs Stock
Category Resistors > Chip Resistor - Surface Mount
Description RES SMD 1.2K OHM 5% 1/4W 1206
Lead Free Status / RoHS Status: ROHS3 Compliant
Tolerance ±5%
Temperature Coefficient ±200ppm/°C
Supplier Device Package 1206
Size / Dimension 0.126" L x 0.063" W (3.20mm x 1.60mm)
Series TRR
Resistance 1.2 kOhms
Power (Watts) 0.25W, 1/4W
Package / Case 1206 (3216 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 155°C
Number of Terminations 2
Height - Seated (Max) 0.026" (0.65mm)
Features Anti-Sulfur
Failure Rate -
Composition Thick Film

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

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Company Name : IC COMPONENTS LTD
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Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can TRR18EZPJ122 be used as a pull-up or pull-down resistor on a 3.3V or 5V signal line?
Yes, TRR18EZPJ122 can be used for biasing or pull-up/pull-down functions, but the 1.2 kOhm value creates a relatively strong bias. At 5V, the steady current is about 4.2 mA; at 3.3V, about 2.8 mA. That works well for open-drain outputs, reset lines, or LED limiting, but it can be too low a resistance for ultra-low-power nodes or buses that need weaker pull-ups. Check sink current, rise time, and any clamp or protection paths on the connected device.
Is TRR18EZPJ122 suitable for sulfur-prone industrial environments or equipment with rubber materials nearby?
TRR18EZPJ122 uses anti-sulfur thick-film construction, which helps reduce resistance drift and open failures caused by sulfur contamination. That makes TRR18EZPJ122 a practical option for industrial controls, automotive subassemblies, and sealed products that may be exposed to sulfur-bearing atmospheres. The board-level environment still matters, so enclosure materials, conformal coating, and temperature rise should also be reviewed for long-term stability.
Can TRR18EZPJ122 handle continuous power dissipation in a compact 1206 footprint?
TRR18EZPJ122 is rated for 0.25W under standard conditions, but the real usable dissipation depends on PCB copper area, airflow, and nearby heat sources. In dense layouts, the part should usually be derated below its nominal rating to keep its body temperature and resistance drift under control. For steady-state use, calculate worst-case power from actual voltage or current, then leave margin for ambient temperature, tolerance, and self-heating.
What should I verify before using TRR18EZPJ122 in a precision analog circuit?
TRR18EZPJ122 has a ±5% tolerance and ±200 ppm/°C temperature coefficient, so it is better suited to biasing, general analog support, and non-critical setpoints than to tight gain or reference networks. If the circuit depends on accurate thresholds, matched ratios, or long-term calibration, verify the resulting error budget across tolerance, temperature, and aging. TRR18EZPJ122 can still be used in analog designs when the system trims or tolerates several percent variation.
Can TRR18EZPJ122 be a drop-in replacement for another 1.2 kOhm 1206 resistor?
TRR18EZPJ122 can often replace another 1.2 kOhm 1206 resistor if the footprint matches and the circuit does not depend on tighter electrical limits. Before approving a swap, compare tolerance, temperature coefficient, pulse load capability, and environmental features such as anti-sulfur behavior. If the original part was metal film or thin film, TRR18EZPJ122 may behave differently in noise, drift, and precision applications even when the nominal resistance is the same.
Is TRR18EZPJ122 a good choice for LED current limiting or input protection?
TRR18EZPJ122 can be used for LED current limiting or simple input protection when the expected current and power stay within the resistor’s thermal limits. With a 1.2 kOhm value, the current may be modest on 3.3V or 5V rails, so the LED brightness or clamp behavior should be checked against the application target. For repetitive surge or fault events, also verify pulse energy, because TRR18EZPJ122 is specified primarily as a general-purpose thick-film chip resistor rather than a dedicated surge resistor.
How does TRR18EZPJ122 behave in high-temperature assemblies or outdoor equipment?
TRR18EZPJ122 is specified for operation from -55°C to 155°C, which makes it suitable for equipment that sees elevated ambient temperature or enclosure heat buildup. Even so, its resistance will still shift with temperature according to its tempco, and self-heating can add additional error if the part runs near its power limit. For outdoor or sealed products, review condensation risk, contamination, and board hot spots in addition to the ambient temperature range.
What alternative parts should I compare if I need tighter tolerance than TRR18EZPJ122?
If TRR18EZPJ122 is too loose for the circuit, compare 1% or 0.1% alternatives in the same 1206 footprint, especially thin-film parts when accuracy, noise, or matching matters. The trade-off is usually between precision and environmental robustness, so check not only resistance tolerance but also temperature coefficient, pulse handling, and sulfur resistance. For bias networks or general load resistors, TRR18EZPJ122 is often sufficient; for gain-setting or reference networks, a tighter part is usually easier to calibrate and keep stable.

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TRR18EZPJ122

TRR18EZPJ122

Rohm Semiconductor

RES SMD 1.2K OHM 5% 1/4W 1206

In Stock: 628816

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