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AC0402FR-7W22RL
YAGEO
RES 22 OHM 1% 1/8W 0402
80406 Pcs New Original In Stock
22 Ohms ±1% 0.125W, 1/8W Chip Resistor 0402 (1005 Metric) Automotive AEC-Q200, Moisture Resistant Thick Film
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5.0 / 5.0
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AC0402FR-7W22RL
Product Overview
10861681
DiGi Electronics Part Number
AC0402FR-7W22RL-DGManufacturer
YAGEO
AC0402FR-7W22RL
Description
RES 22 OHM 1% 1/8W 0402Inventory
80406 Pcs New Original In Stock
22 Ohms ±1% 0.125W, 1/8W Chip Resistor 0402 (1005 Metric) Automotive AEC-Q200, Moisture Resistant Thick Film
Quantity
Minimum 1
Minimum 1
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AC0402FR-7W22RL Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Tape & Reel (TR)
Series
AC
Product Status
Active
Resistance
22 Ohms
Tolerance
±1%
Power (Watts)
0.125W, 1/8W
Composition
Thick Film
Features
Automotive AEC-Q200, Moisture Resistant
Temperature Coefficient
±100ppm/°C
Operating Temperature
-55°C ~ 155°C
Package / Case
0402 (1005 Metric)
Supplier Device Package
0402
Ratings
AEC-Q200
Size / Dimension
0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)
0.015" (0.37mm)
Number of Terminations
2
Failure Rate
-
Datasheet & Documents
HTML Datasheet
AC0402FR-7W22RL-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8533.21.0030
Additional Information
Other Names
13-AC0402FR-7W22RLTR
13-AC0402FR-7W22RL-DG
13-AC0402FR-7W22RL
Standard Package
10,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
They consistently deliver products swiftly thanks to their excellent logistics network.
Dec 02, 2025
Their products are designed with precision and built to last.
Dec 02, 2025
Their quick order processing ensures we receive supplies exactly when needed, minimizing disruptions.
Dec 02, 2025
The fast shipping and safe packaging made this purchase very satisfying.
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Frequently Asked Questions (FAQ)
Can the AC0402FR-7W22RL resistor be safely used in an automotive engine control unit (ECU) exposed to high humidity and temperature cycling, and how does its AEC-Q200 qualification mitigate long-term reliability risks?
Yes, the AC0402FR-7W22RL is specifically designed for harsh automotive environments. Its AEC-Q200 qualification ensures it has passed rigorous stress tests including temperature cycling (-55°C to +155°C), humidity bias, and biased humidity testing, making it suitable for under-hood ECUs. The moisture-resistant thick film construction further reduces the risk of electrochemical migration and resistance drift in high-humidity conditions. For mission-critical applications, combine this with proper PCB conformal coating and avoid placement near condensation-prone zones to maximize field life.
What are the key risks when replacing a legacy 0402 thick film resistor like the RC0402FR-0722RL (Yageo) with the AC0402FR-7W22RL in a high-vibration automotive sensor circuit?
While both resistors share the same 0402 footprint and 22Ω ±1% value, the AC0402FR-7W22RL offers superior mechanical robustness due to its AEC-Q200-rated construction and enhanced adhesion layers, which reduce the risk of solder joint cracking under sustained vibration. The RC0402FR-0722RL lacks automotive-grade validation and may exhibit higher failure rates in engine-mounted sensors. Always validate solder profile compatibility and perform vibration testing per ISO 16750-3 if retrofitting into safety-critical systems.
How does the ±100ppm/°C temperature coefficient of the AC0402FR-7W22RL impact signal accuracy in a precision current-sense application across the full -40°C to +125°C automotive operating range?
Over the -40°C to +125°C range, the AC0402FR-7W22RL can drift by up to ±1.65% (1650ppm total), which may exceed tolerance in high-precision current sensing. For example, a 22Ω resistor could vary from 21.63Ω to 22.37Ω, potentially skewing measurement accuracy in battery management or motor control systems. If tighter stability is required, consider a metal foil resistor like the Vishay TNPU040222R0AZEN (±10ppm/°C), though at higher cost and without AEC-Q200 unless specifically rated.
Is the AC0402FR-7W22RL suitable for use in a 12V automotive lighting circuit where inrush currents may briefly exceed 100mA, and what derating practices should be applied to avoid premature failure?
The AC0402FR-7W22RL is rated for 0.125W continuous power, meaning it can safely handle ~75mA at 22Ω under steady-state conditions. However, repetitive inrush pulses above 100mA—common during LED startup—can cause localized heating and accelerate thick film degradation. To mitigate risk, apply a 50% power derating (i.e., limit average dissipation to ≤62.5mW) and ensure adequate copper pour for thermal relief. For high-inrush scenarios, consider a pulse-rated alternative like the Panasonic ERJ-2RKF22R0X or add a series PTC for current limiting.
Can the AC0402FR-7W22RL be directly substituted for a competing AEC-Q200 0402 resistor such as the Vishay CRCW040222R0FKED in a telematics module, and what layout or reliability factors should be re-evaluated?
Mechanically and electrically, the AC0402FR-7W22RL is a viable drop-in replacement for the Vishay CRCW040222R0FKED, as both are 0402, 22Ω ±1%, AEC-Q200 qualified, and rated for 1/8W. However, the Yageo part uses a different thick film material system, which may exhibit slightly different TCR behavior under transient thermal loads. Re-evaluate solder joint reliability using your specific reflow profile, and confirm moisture sensitivity compatibility—though both are MSL 1, board-level handling procedures should still follow J-STD-033. Always conduct HAST or THB testing if the application involves extended high-humidity operation.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
AC0402FR-7W22RL CAD Models
YAGEO AC0402FR-7W22RL PCB symbols & footprints
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