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| PWA Vishay Electro-Films Thin Film Power Resistors CHIP RESISTORS FEATURES * Wire bondable Product may not be to scale * 500 mW power * Chip size: 0.030 x 0.045 inches * Resistance range 0.3 to 1 M * Oxidized silicon substrate for good power dissipation * Resistor material: Tantalum nitride, self-passivating The PWA series resistor chips offer a 500 mW power rating in a small size. These offer one of the best combinations of size and power available. The PWAs are manufactured using Vishay Electro-Films (EFI) sophisticated thin film equipment and manufacturing technology. The PWAs are 100 % electrically tested and visually inspected to MIL-STD-883. APPLICATIONS The PWA resistor chips are used mainly in higher power circuits of amplifiers where increased power loads require a more specialized resistor. TEMPERATURE COEFFICIENT OF RESISTANCE, VALUES AND TOLERANCES Tightest Standard Tolerance Available 5% 1% 0.5 % 0.1 % 25 ppm/C 50 ppm/C 100 ppm/C 150 ppm/C PROCESS CODE CLASS H* 002 001 000 009 *MIL-PRF-38534 inspection criteria CLASS K* 006 005 008 010 0.3 2 25 5 100 *600, - 100 ppm R < 2 , 250 ppm for 2 to 5 200 k 500 k 300 k 1 M STANDARD ELECTRICAL SPECIFICATIONS PARAMETER Noise, MIL-STD-202, Method 308 100 - 250 k < 100 or > 251 k Moisture Resistance, MIL-STD-202 Method 106 Stability, 1000 h, + 125 C, 250 mW Operating Temperature Range Thermal Shock, MIL-STD-202, Method 107, Test Condition F High Temperature Exposure, + 150 C, 100 h Dielectric Voltage Breakdown Insulation Resistance Operating Voltage Steady State 5 x Rated Power DC Power Rating at + 70 C (Derated to Zero at + 175 C) (Conductive Epoxy Die Attach to Alumina Substrate) 5 x Rated Power Short-Time Overload, + 25 C, 5 s - 35 dB typ. - 20 dB typ. 0.5 % max. R/R 0.5 % max. R/R - 55 C to + 125 C 0.1 % max. R/R 0.2 % max. R/R 200 V 1012 min. 100 V max. 200 V max. 500 mW 0.1 % max. R/R www.vishay.com 60 For technical questions, contact: efi@vishay.com Document Number: 61019 Revision: 12-Mar-08 PWA Thin Film Power Resistors Vishay Electro-Films DIMENSIONS in inches 0.030 0.024 0.007 0.007 0.030 0.024 0.007 CHIP RESISTORS 0.030 0.024 0.007 0.030 0.024 0.0045 0.045 0.045 0.045 0.007 TYPICAL RANGE 0.3 - 1.3 TYPICAL RANGE 1.4 - 7.4 TYPICAL RANGE 7.5 - 42 TYPICAL RANGE 43 - 1 M SCHEMATIC MECHANICAL SPECIFICATIONS in inches PARAMETER Chip Size Chip Thickness Chip Substrate Material Resistor Material Bonding Pad Size Number of Pads Pad Material Backing Options: Gold back for eutectic die attach Gold bonding pads, 15 kA minimum thickness Contact Applications Engineer 0.030 x 0.045 0.002 (0.762 x 1.143 0.5 mm) 0.010 0.002 (0.254 0.05 mm) Oxidized silicon, 10 kA minimum SiO2 Tantalum nitride, self-passivating 0.007 x 0.024 (0.1778 x 0.6096 mm) 2 10 kA minimum aluminum None, lapped semiconductor silicon ORDERING INFORMATION Example: 100 % visual, 10 k, 1 %, 100 ppm/C TCR, aluminum pads, class H visual inspection W INSPECTION/ PACKAGING W = 100 % visually inspected parts in matrix tray per MIL-STD-883 X = Sample, visually inspected parts loaded in matrix trays (4 % AQL) PWA PRODUCT FAMILY 000 PROCESS CODE See Process Code table 1000 RESISTANCE VALUE Use first 4 digits significant digits of the resistance 1 MULTIPLIER CODE D = 0.0001 C = 0.001 B = 0.01 A = 0.1 0=1 1 = 10 2 = 100 3 = 1000 F TOLERANCE CODE B = 0.1 % C = 0.2 % D = 0.5 % F = 1.0 % G = 2.0 % H = 2.5 % J = 5.0 % K = 10 % Document Number: 61019 Revision: 12-Mar-08 For technical questions, contact: efi@vishay.com www.vishay.com 61 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1 |
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