AXIAL LEAD PRECISION WIREWOUND RESISTORS – HR, VA, SP 7000, 8000 SERIES MIL-R-93 (RB) & MIL-R-39005 (RBR) & COMMERCIAL STYLES

Category: Electronics, Resistors, TT Electronics PLC

The datasheet offers detailed information about Axial Lead Precision Wirewound Resistors, specifically the HR, VA, SP 7000, 8000 Series, which conform to MIL-R-93 (RB) and MIL-R-39005 (RBR) military standards as well as commercial styles. These resistors are designed for applications that demand high precision and stability. They are suitable for both commercial and military use and demonstrate state-of-the-art precision.

Key Features:

Resistance Range: The resistors cover a wide range from 0.1 ohm up to 12 megohms.
Power Rating: They are rated from 0.1 to 1.0 watts.
Tolerance: The tolerances available are tight, reaching as precise as +0.01%.
Temperature Coefficient (TC): They offer TCs from +2 ppm/°C to +6000 ppm/°C, implying stable performance over temperature variations.
Temperature Range: These resistors can operate over a wide temperature range from -65°C to +145°C.
Encapsulation: The encasing process includes the use of moisture-resistant epoxy or a unique dry air chamber epoxy shell for top reliability parts.

Quality and Production:

Construction: Though there may be slight differences in construction features between commercial and military styles, they are both manufactured under strict quality control.
Performance: The resistors are stress-tested to ensure accuracy and resistance stability, with the military parts undergoing 100 hours of burn-in at 125°C as part of group A testing.
Documentation and Testing: Specialized documentation and testing are available on request to meet unique customer requirements.

Manufacturing Excellence:

All parts, whether commercial or military, are monitored throughout assembly, winding, coating, and stabilization procedures. This ensures that all products meet high quality standards, even when specific parameters are non-critical. The resistors employ stress-relieved windings on specially designed bobbins and welded terminations to minimize contact noise and thermal EMF.

Contact Information:

The datasheet concludes with contact details for WIRE AND FILM TECHNOLOGIES, including their address in Boone, North Carolina, along with telephone and fax numbers.