The TFAN43 from Viking Tech America is a Resistor with Resistance 24.9 Ohms to 100 kOhms, Power Rating 62.5 mW, Temperature Coefficient (TCR) ±25 ppm/Degree C, ±50 ppm/Degree C, Tolerance ±0.1%, ±0.25%, ±0.5%, ±1%, Voltage Rating 50 V. Tags: Surface Mount, Chip. More details for TFAN43 can be seen below.