Overview
The datasheet provides detailed specifications for the State of the Art, Inc. SASSSATION 51 0402 Thick Film Chip Resistor. Aimed at standard grade applications, it comes with wraparound terminations over a 96% alumina chip.
Performance Characteristics
The resistor is offered in a resistance range from 10 ohms to 4 megaohms. Various tolerances are available, including 1%, 2%, 5%, and 10%. This product has a thermal coefficient of resistance (TCR) of ±100, ±200, or ±300 ppm/°C, ensuring stability over a range of temperatures. It can dissipate up to 50 milliwatts of power and handle a maximum voltage of 30 volts. Specific current noise figures and power dissipation ratings are also provided for different mounting substrates—fiber epoxy board and ceramic board. Detailed mechanical indications such as size in inches and millimeters, minimum recommended mounting pads, and approximate weight are also included.
Environmental Performance
Thermal shock, low-temperature operation, and exposure to high-temperature or moisture are resistance-related variables tested in various environmental conditions, adhering to typical resistance change criteria per MIL-PRF-55342. The components exhibit strong performance in life tests with power derating curve information against ambient temperature, confirming the resistor’s reliability over time and under stress.
Part Numbering System
The part numbering system for the SASSSATION 51 0402 includes codes for packaging, temperature characteristic, tolerance, resistance value, termination finish, product designation, and termination type. For example:
– Packaging can be Tape/Reel (TR) or Wafer Carrier (W), with bulk as the default.
– Temperature characteristic codes represent the TCR values (+100, +200, +300 ppm).
– Tolerance is indicated by the letters (F, G, J, K, M) for the various percentages (1%, 2%, 5%, 10%, 20%).
– Resistance values are in a four or three-digit format with an additional letter if necessary to represent the decimal.
– Termination finishes are available in various materials like Sn80 over Nickel and Gold over Nickel, with some options compliant with RoHS standards.
– Product designations include Thick film on alumina (P) and Untrimmed alumina (U) for certain tolerance levels.
– Termination type ‘C’ represents wraparound termination.
Physical Dimensions
Exact measurements for the chip are specified in both inches and millimeters, covering length, width, thickness, and terminations. The document also provides recommended dimensions for mounting pads suited for the resistors’ installation.
Contact and Additional Information
The datasheet lists the address, phone, fax, and toll-free numbers of State of the Art, Inc., along with a website for further information. It also states that specifications are subject to change without notice. This indicates the necessity for the users to check for the latest datasheet version, dated in this case as of February 8, 2008.
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