The PTWB-7-AT-100R0F - GB from Epak Electronics is a Space Qualified Resistor with Resistance 2 Ohms to 1 Kohms, Power Rating 250 mW to 2 W, Voltage 100 V, Tolerance ±0.5%, ±1%, ±2%, ±5%, ±10%, Operating Temperature -55 to 150 Degree C. Tags: Chip. More details for PTWB-7-AT-100R0F - GB can be seen below.