CTN Vishay Electro-Films CHIP RESISTORS Nichrome Thin Film, Center Tapped Resistors FEATURES * Wire bondable Product may not be to scale * Center tap feature * Chip size: 0.030 inches square * Resistance range total: 10 to 1 M * Ratio tolerances to: 0.1 % The CTN series is a center tapped nichrome resistor chip providing excellent stability at 250 mW power levels. The CTN offers the designer flexibility in use as either a single value resistor or as two resistors with a center tap feature. The CTNs six bonding pads allows the user increased layout flexibility. * Resistor material: Nichrome * Oxidized silicon substrate for good power dissipation The CTNs are manufactured using Vishay Electro-Films (EFI) sophisticated thin film equipment and manufacturing technology. The CTNs are 100 % electrically tested and visually inspected to MIL-STD-883. APPLICATIONS The CTN center-tapped resistor chips are used mainly in feedback circuits of amplifiers where ratio matching, high power and tracking between two resistors is critical. Recommended for Hermetic environment where die is not exposed to moisture. For low values, the resistance of the six bonding-pad configurations can vary, depending on the method of measurement used. Vishay EFI measures low-value resistors by the four wire Kelvin technique. TEMPERATURE COEFFICIENT OF RESISTANCE, VALUES AND TOLERANCES Tightest Standard Tolerance Available PROCESS CODE 0.1 % 0.5 % 10 ppm/C 25 ppm/C 50 ppm/C 100 ppm/C CLASS H* CLASS K* 203 263 202 262 200 260 201 261 *MIL-PRF-38534 inspection criteria 10 100 200 1 k 1 M STANDARD ELECTRICAL SPECIFICATIONS PARAMETER TCR Tracking Between Halves (RA/RB) 2 ppm/C * Center Tap Ratio, RA/RB Tolerance 1 1 % standard Noise, MIL-STD-202, Method 308, 100 - 250 k - 35 dB typ. 0.1 % R/R Stability, 1000 h, + 125 C, 125 mW Operating Temperature Range - 55 C to + 125 C Dielectric Voltage Breakdown 200 V 1012 min. Insulation Resistance Operating Voltage 100 V max. DC Power Rating at + 70 C (Derated to Zero at + 175 C) 250 mW * 20 ppm/C for R < 20 www.vishay.com 76 For technical questions, contact: efi@vishay.com Document Number: 61024 Revision: 12-Mar-08 CTN Nichrome Thin Film, Center Tapped Vishay Electro-Films 0.030 RA STANDARD CONFIGURATION Six locations. All pads 0.005 x 0.005 inch RB 0.026 0.030 TYPICAL RANGE 10 - 49 TYPICAL RANGE 100 - 1 M TYPICAL RANGE 50 - 199 SCHEMATIC RT = R A + R B RA RB MECHANICAL SPECIFICATIONS in inches PARAMETER Chip Size 0.030 x 0.030 0.002 (0.762 x 0.762 0.05 mm) Chip Thickness 0.010 0.002 (0.254 0.05 mm) Chip Substrate Material Oxidized silicon, 10 kA minimum SiO2 Resistor Material Nichrome Bonding Pad Size 0.005 x 0.005 (0.127 x 0.127 mm) minimum Number of Pads 6 Pad Material 15 kA minimum gold standard Backing Options: None, lapped semiconductor silicon Alphanumeric part marking, up to six characters Gold backing for eutectic die attach Center tap ratio tolerances to 0.01 % Consult Applications Engineer ORDERING INFORMATION Example: 100 % visual, 10 k, 1 %, 100 ppm/C TCR, gold pads, class H visual inspection W INSPECTION/ PACKAGING W = 100 % visually inspected parts in matrix trays per MIL-STD-883 X = Sample, visually inspected parts loaded in matrixtrays (4 % AQL) Document Number: 61024 Revision: 12-Mar-08 CTN PRODUCT FAMILY 201 PROCESS CODE See Process Code table 1000 1 RESISTANCE MULTIPLIER VALUE CODE Use first 4 significant C = 0.001 digits of resistance (RT) B = 0.01 A = 0.1 0=1 1 = 10 2 = 100 3 = 1000 4 = 10 000 For technical questions, contact: efi@vishay.com 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 % www.vishay.com 77 CHIP RESISTORS CONFIGURATIONS in inches 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