MCR03EZPFX5100 ROHM Semiconductor Resistor (Resistor Chip) In Stock
ROHM MCR03EZPFX5100 is a 510 ohm thick-film surface-mount resistor in a 0603 (1.6 x 0.8 mm) package with 1% tolerance, 0.1 W power rating, and ±100 ppm/°C temperature coefficient. Provides stable resistance over a wide temperature range suitable for precision signal conditioning and biasing circuits. Available from authorized distributors with worldwide shipping.
- Manufacturer
- ROHM Semiconductor
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- MCR03EZPFX5100 Datasheet PDF
- Category
- Resistor
- Temp Range
- -55.0°C to 155.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1% tight tolerance in a 0603 footprint ensures accurate resistor values for precision voltage dividers and current-sense circuits
- ±100 ppm/°C temperature coefficient provides stable resistance drift performance across -55 degrees C to +155 degrees C operating range
- 0.1 W power rating in the compact 1.6 x 0.45 mm 0603 package supports high-density SMT PCB layouts
- RoHS-compliant thick-film construction meets REACH and JESD-609 environmental standards for global market distribution
Applications
The MCR03EZPFX5100 is used in precision analog signal conditioning, voltage divider networks, and pull-up/pull-down biasing circuits in consumer electronics, industrial sensor modules, and communication equipment. Its 1% tolerance and ±100 ppm/°C TCR make it suitable for feedback networks in op-amp circuits and ADC reference voltage dividers where resistor drift directly affects measurement accuracy. The 0603 package is compatible with standard automated SMT reflow assembly on fine-pitch PCB layouts.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 9 |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.45mm |
| Package Length | 1.6mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 0.8mm |
| Packing Method | TR, PAPER, 7 INCH |
| Rated Power Dissipation (P) | 0.1W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200; IATF 16949 |
| Resistance | 510Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 0603 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 100ppm/°C |
| Terminal Finish | Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 50V |
| Package | Resistor Chip |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
| Country of Origin | Philippines, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resistance value and tolerance does the MCR03EZPFX5100 carry, and what circuit roles benefit most from this accuracy?
The MCR03EZPFX5100 has a resistance value of 510 ohm with a 1% tolerance, meaning the actual resistance falls between 504.9 ohm and 515.1 ohm. This accuracy is well suited for voltage divider networks feeding ADC inputs, I2C pull-up resistors, and LED current-limiting applications where a 5% resistor would introduce unacceptable variation in operating current or threshold voltage.
How does the ±100 ppm/°C temperature coefficient of the MCR03EZPFX5100 affect circuit performance across temperature extremes?
A ±100 ppm/°C TCR means the 510 ohm resistance changes by at most 0.51 ohm per 10 degree C temperature shift. Over a 100-degree C operating range from -40 degrees C to 60 degrees C, the maximum resistance drift is approximately 5.1 ohm, which keeps the resistance within about 1% of nominal even under full thermal excursion, preserving the accuracy of precision analog front ends.
What is the 0603 package size of the MCR03EZPFX5100, and how does it compare to 0402 or 0805 in PCB design?
The 0603 package measures 1.6 mm long by 0.8 mm wide with a height of 0.45 mm. This is larger than 0402 (1.0 x 0.5 mm), making it easier to hand-solder and rework, while smaller than 0805 (2.0 x 1.25 mm), saving board area in dense SMT designs. The 0603 footprint remains the most common choice for 0.1 W resistors in industrial and consumer PCB designs worldwide.
When would a designer choose the MCR03EZPFX5100 at 510 ohm over a 470 ohm or 560 ohm standard value?
A designer selects 510 ohm when the E96 series value provides a more accurate result for a specific voltage divider ratio or current-limiting target. For example, powering an LED at 3 V from a 5 V rail requires (5 V - 3 V) / 20 mA = 100 ohm in series, but a 510 ohm resistor at the same supply targets approximately 3.9 mA, which is a common choice for indicator LEDs that need lower current than the datasheet maximum to extend diode lifetime.
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