Silicon Chip Resistors Silicon Chip Resistors are offered only conjunctively to purchase order of further IXYS chips Part Type Resistance ¬ Chips per Wafer Wafer Diameter mm Rth Chip Dimension W mm mils IXWW 13-AL 1 2.0x2.88x0.43 79x113x17 1184 100 2.5 3 IXWW 14-AL 1 2.4x2.4x0.43 94x94x17 1184 100 2.5 3 IXWW 11-AL 3 1.4x1.4x0.43 55x55x17 3400 100 7.4 3 Notes K/W IXWW 22-AL 2x2 2.0x4.8x0.44 79x189x17 752 100 2x3.0 4 IXWW 25-AL 2x2.5 2.0x4.0x0.44 79x189x17 908 100 2x3.6 4 IXWW 27-AL 3 1.91x1.91x0.44 75x75x17 2034 100 4 3 IXWW 34-AG 5 2.4x2.4x0.48 94x94x17 1184 100 2.5 3 IXWW 34-AL 5 2.4x2.4x0.48 94x94x17 1184 100 2.5 3 IXWW 44-AG 10 2.4x2.4x0.50 94x94x20 1184 100 2.5 3 IXWW 44-AL 10 2.4x2.4x0.50 94x94x20 1184 100 2.5 3 Notes: 1. 2. 3. 4. 5. 6. 25 °C values; resistance tolerance ±30 %; resistor temperature coefficient 1.02 %/ °C. Chip resistor thermal resistance when soft-soldered in TO-247 case; One resistor per chip; Two resistors with one common connection per chip. Max. operating chip temperature is 175 °C; Use this value when calculating chip maximum power dissipation High precision chip resistors, lateral version, 2 and 4 OHM, 2.3 x 2.3 mm, on request Die Outline Nomenclature Metal: 4mm Al or 1mm Al/Ti/Ni/Ag W - IXWW13 - AL T - unsawed wafers W - sawed wafer on foil Metal: 1mm Al/Ti/Ni/Ag Part type AL: AG: R top side 4 mm Al bottom side 1 mm Al/Ti/Ni/Ag both sides 1 mm Al/Ti/Ni/Ag R Separtion groove on dual resistor chips. (See note 4 above) IXYS reserves the right to change limits, test conditions and dimensions. © 2000 IXYS All rights reserved 96522D (12/97) 1-1