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CRCW121033R2FKEAHP
Vishay Dale
RES SMD 33.2 OHM 1% 3/4W 1210
75115 Pcs New Original In Stock
33.2 Ohms ±1% 0.75W, 3/4W Chip Resistor 1210 (3225 Metric) Automotive AEC-Q200, Pulse Withstanding Thick Film
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5.0 / 5.0
- (216 Ratings)
CRCW121033R2FKEAHP
Product Overview
1162240
DiGi Electronics Part Number
CRCW121033R2FKEAHP-DGManufacturer
Vishay Dale
CRCW121033R2FKEAHP
Description
RES SMD 33.2 OHM 1% 3/4W 1210Inventory
75115 Pcs New Original In Stock
33.2 Ohms ±1% 0.75W, 3/4W Chip Resistor 1210 (3225 Metric) Automotive AEC-Q200, Pulse Withstanding Thick Film
Quantity
Minimum 1
Minimum 1
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CRCW121033R2FKEAHP Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Tape & Reel (TR)
Series
CRCW-HP
Product Status
Active
Resistance
33.2 Ohms
Tolerance
±1%
Power (Watts)
0.75W, 3/4W
Composition
Thick Film
Features
Automotive AEC-Q200, Pulse Withstanding
Temperature Coefficient
±100ppm/°C
Operating Temperature
-55°C ~ 155°C
Package / Case
1210 (3225 Metric)
Supplier Device Package
1210
Ratings
AEC-Q200
Size / Dimension
0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max)
0.028" (0.70mm)
Number of Terminations
2
Failure Rate
-
Base Product Number
CRCW1210
Datasheet & Documents
HTML Datasheet
CRCW121033R2FKEAHP-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8533.21.0030
Additional Information
Other Names
541-33.2DCT
541-33.2DTR
541-33.2DDKR
Standard Package
5,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
빠른 배송과 안전한 포장, 모두 만족스럽네요.
Dec 02, 2025
Customer care after sales is a top priority, reflected in their quick response times.
Dec 02, 2025
The packaging was so well-made that I repurposed it creatively after opening.
Dec 02, 2025
Their large inventory means I always find what I need without waiting.
Dec 02, 2025
Thanks to their strong support system, I feel valued as a customer.
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Frequently Asked Questions (FAQ)
Can I use the CRCW121033R2FKEAHP resistor as a direct replacement for a 33Ω 1% 0.5W 1210 resistor in a high-vibration automotive power module, and what risks should I consider?
Yes, the CRCW121033R2FKEAHP can replace a standard 0.5W 1210 resistor due to its higher 0.75W power rating and AEC-Q200 automotive qualification, which ensures reliability under mechanical stress and thermal cycling. However, verify that your application doesn’t expose the resistor to voltage transients exceeding its pulse-withstanding capability—while it’s designed for surge resilience, sustained overvoltage or repetitive high-energy pulses could still cause premature failure. Also confirm PCB pad layout compatibility, as minor dimensional variances between manufacturers may affect solder joint integrity in high-vibration environments.
How does the CRCW121033R2FKEAHP compare to the Yageo RC1210FK-0733R2L in terms of long-term stability and pulse handling for motor drive current sensing?
The CRCW121033R2FKEAHP offers superior pulse-withstanding performance and is AEC-Q200 qualified, making it better suited for harsh automotive motor drive applications than the Yageo RC1210FK-0733R2L, which lacks explicit pulse ratings and automotive certification. While both are 1% thick-film resistors, Vishay’s HP series is engineered for high-power surges common in inductive load switching. For current sensing near motors, the CRCW121033R2FKEAHP provides more predictable drift over temperature and time, reducing calibration drift risks in safety-critical systems.
What derating guidelines should I follow when using the CRCW121033R2FKEAHP in a sealed automotive under-hood enclosure where ambient temperatures reach 125°C?
Even though the CRCW121033R2FKEAHP is rated for operation up to 155°C, you must apply power derating above 70°C per the typical thick-film resistor curve—typically linear derating to 0% load at 155°C. At 125°C ambient, limit power dissipation to approximately 30–40% of the 0.75W rating (i.e., ≤0.25W). Additionally, ensure adequate copper pour for heat spreading, as localized hot spots can degrade the thick-film element faster than bulk temperature suggests. Failure to derate properly risks resistance drift or open-circuit failure due to thermal runaway in confined spaces.
Is the CRCW121033R2FKEAHP suitable for use in a 48V mild-hybrid system’s pre-charge circuit, where it may experience repetitive 100V transient spikes during switching?
The CRCW121033R2FKEAHP is pulse-withstanding but not specifically rated for 100V transients; its maximum working voltage is ~200V DC, so voltage magnitude alone isn’t the issue. The critical factor is energy per pulse—verify that each transient’s I²t value stays within the safe operating area defined in Vishay’s pulse charts for the CRCW-HP series. In pre-charge circuits with inductive kickback, consider adding TVS diodes or snubbers to clamp energy. Relying solely on the resistor’s surge capability without system-level protection may lead to cumulative damage and latent failures over mission life.
Can I parallel two CRCW121033R2FKEAHP resistors to achieve 16.6Ω at 1.5W in a space-constrained EV battery management system, and what layout pitfalls should I avoid?
Paralleling two CRCW121033R2FKEAHP resistors yields 16.6Ω with combined 1.5W capability, but uneven current sharing due to ±1% tolerance (±0.33Ω mismatch) can cause one resistor to carry up to 55–60% of total current, creating localized heating. To mitigate this, use a symmetrical layout with equal trace lengths and thermal vias under each component to balance temperature. Avoid placing them near heat sources or in stagnant air pockets. Also, ensure the PCB material (e.g., FR4 vs. metal-core) supports the required thermal dissipation—otherwise, derating may still be necessary despite the theoretical power advantage.
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.
CRCW121033R2FKEAHP CAD Models
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