CR Series General Purpose Thick Film Resistors
Product Overview
The Venkel CR Series General Purpose Thick Film Resistors are designed for a wide range of applications, offering stable performance over temperature and good power dissipation capabilities. These resistors feature a robust construction with an alumina substrate, a resistive layer, and a tin plating over nickel termination for excellent solderability. Available in various sizes from 01005 to 2512, they offer TCR as low as 100ppm and are suitable for standard soldering applications, with some values available for conductive epoxy use, making them ideal for demanding environments like MRI applications.
Product Attributes
- Brand: Venkel
- Series: CR Series
- Construction: Thick Film
- Substrate Material: Alumina
- Termination Finish: 100% matte Tin (Sn) over Nickel
- Optional Termination: Palladium Silver (PdAg)
Technical Specifications
| Specification | Details | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Available Sizes | 01005 to 2512 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCR (Temperature Coefficient of Resistance) | As low as 100ppm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Power Dissipation | Good capabilities (conservatively rated) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solderability | Excellent due to 100% matte Tin over Nickel with wrap-around termination | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Conductive Epoxy Application | Available for some values (suitable for MRI applications) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Operating Temperature Range | -55C to +125C (01005, 0201) / -55C to +155C (0402 to 2512) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Marking | Standard 3-digit (J tol.) or 4-digit (D & F tol.) codes. Specific marking rules apply for different sizes and tolerances (refer to document for details). 01005, 0201, 0402 cannot be marked. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Packaging | Tape & Reel available (standard reel size or 13" reel optional) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Environmental Characteristics (Test Method: JIS-C-5201-1 / IEC-60115-1) | Short Time Overload: (1.0%+0.05) / (2.0%+0.05) Insulation Resistance: 10G Endurance: (1.0%+0.10) / (2.0%+0.10) Damp Heat with Load: (1.0%+0.10) / (2.0%+0.10) Dry Heat: (1.0%+0.05) / (1.5%+0.10) Bending Strength: (1.0%+0.05) Solderability: 95% min. coverage Resistance to Soldering Heat: (0.5%+0.05) / (1.0%+0.05) Voltage Proof: No breakdown or flashover Leaching: Individual leaching area 5%, Total leaching area 10% Rapid Change of Temperature: (0.5%+0.05) / (1.0%+0.05) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dimensions (Unit: inches (mm)) |
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| Electrical Specifications by Size |
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| Resistance Range & Tolerance |
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Derating Curve
A derating curve is provided, illustrating the reduction in rated power based on ambient temperature for different size ranges.
Marking Code Information
Details on marking codes for resistance values, including 3-digit and 4-digit systems, E24, E96, and E192 values, are available. Specific alphanumeric codes are used for 0603, 1% resistors.
2404121004_Venkel-CR2512-1W-103JT_C4294039.pdf
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