Overview
The ROHM MCR18 3.3 kΩ is a high-reliability thick film chip resistor designed for general-purpose applications in automotive, industrial, and consumer electronics. This 1206 (3216 metric) package component delivers precise resistance control with a tolerance of ±5% and operates across a wide temperature range. ROHM’s metal-glaze thick film construction ensures stable performance and long-term reliability in demanding environments.
Key Features
- Thick film metal-glaze construction for high reliability and stability
- 1206 (3216) SMD package for automated assembly and space efficiency
- ±5% resistance tolerance (J grade) with 3.3 kΩ nominal value
- Operating temperature range: -55°C to +155°C
- AEC-Q200 automotive-grade qualification
- RoHS compliant with 10-year product longevity guarantee
Technical Specifications
- Rated Power: 0.25 W
- Resistance Value: 3.3 kΩ ±5%
- Package Size: 3216 (1206 inch)
- Temperature Coefficient: ±400 ppm/°C (typical)
- Max Operating Temperature: +155°C
- Min Operating Temperature: -55°C
- Rated Voltage: 50 V
- Packaging: Tape and reel (5000 pcs per reel)
Typical Applications
- Automotive electronics and infotainment systems
- Industrial control circuits and PLC modules
- Consumer electronics and power supplies
- Current limiting and pull-up/pull-down networks
- Analog signal conditioning and biasing circuits
- LED driver circuits and lighting applications
Compatibility & Replacements
Compatible With
- All 1206 (3216 metric) footprint PCBs
- Standard pick-and-place SMD assembly equipment
- Automotive grade systems requiring AEC-Q200 certification
- RoHS-compliant manufacturing processes
- JEITA standard strap and reel packaging (EIAJ ET-7200B)
Replaces / Drop-In Replacement For
- MCR18EZHJ3K3 (alternative ROHM part numbering)
- Other 3.3 kΩ 1206 thick film chip resistors from competing manufacturers (verify pinout and tolerance requirements)
Works With
- Surface mount assembly (SMT) processes
- Standard reflow soldering profiles (245°C ±5°C)
- Automated test equipment for resistance verification
- All electronics design software and CAD tools supporting standard SMD footprints
