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PCF0603 Datasheet(PDF) 5 Page - TT Electronics. |
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PCF0603 Datasheet(HTML) 5 Page - TT Electronics. |
5 / 6 page Precision Thin Film Nichrome Chip Resistors PCF Series Make Possible 11.15 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. © TT Electronics plc www.ttelectronicsresistors.com Wrap-around terminations provide good leach properties and ensure reliable contact. Due to the robust construction, the PCF can be immersed in the solder bath for 30 seconds at 260 C. This enables the resistor to be mounted on one side of a printed circuit board and wire-leaded components applied on the other side. PCF resistors themselves can operate at a maximum temperature of 125 C (see performance above) (155 C for High Power grades). For soldered resistors, the joint temperature should not exceed 110 C. This condition is met when the stated power levels at 70 C are used. Precision Surface Mount Resistors 03.11 © Welwyn Components Limited Bedlington Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com PCF Series Solderability The terminations have an electroplated nickel barrier and tin coating. This ensures excellent 'leach' resistance properties and solderability. Packaging PCF Resistors are supplied taped and reeled as as per IEC 286-3. Sizes 2010 and 2512 are in embossed plastic tape. Application Notes PCF resistors are ideally suited for handling by automatic methods due to their rectangular shape and the small dimensional tolerances. Electrical connection to a ceramic substrate or to a printed circuit board can be made by reflow or wave soldering of wrap-around terminations. Derating Curve Smaller sizes are in paper tape. Precision Surface Mount Resistors 03.11 © Welwyn Components Limited Bedlington Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com PCF Series >0.05% tolerance 0603 to 2512 0.25% 0.3% 0.5% 0.25% 0.1% 0.2% Load life Humidity Short term overload High temperature operation Temperature cycle Resistance to solder heat Solderability Maximum change (+0.05R) Chip size 0201, 0402 0.5% 0.3% 0.5% 0.25% 0.1% 0.2% ≤0.05% tolerance 0603 to 2512 0.05% 0.05% 0.05% 0.25% 0.05% 0.05% Conditions Test Parameters 1000 hours rated load @ 70°C 1000 hours @ 40°C, 90 - 95%RH 6.25 x rated Power , or 2 x LEV, for 5 sec 1000 hours at 125°C 5 cycles -55 C, 125°C 270°C, 10 sec 235°C, 2 sec 95% minimum coverage 0.5% 0.5% 0.5% 0.5% 0.25% 0.2% 95% minimum coverage Load life Humidity Short term overload High temperature operation Temperature cycle Resistance to solder heat Solderability Maximum change (+0.05R) Conditions Test Parameters 1000 hours rated load @ 70°C 1000hrs @ 40°C, 90 - 95%RH 6.25 x rated Power, or 2 x LEV, for 5 sec 1000 hours at 155°C 5 cycles -55°C, 150°C 270°C, 10 sec 235°C, 2 sec 0603 to 2512 0.05% 0.05% 0.02% 0.05% 0.02% 0.02% Load life Humidity Short term overload High temperature operation Temperature cycle Resistance to solder heat Solderability Maximum change (+0.05R) Conditions Test Parameters 1000 hours rated load @ 70°C 1000hrs @ 40°C, 90 - 95%RH 6.25 x rated Power, or 2 x LEV, for 5 sec 1000 hours at 125°C 5 cycles -55 C, 125°C 270°C, 10 sec 235°C, 2 sec 95% minimum coverage 0402 0.25% 0.5% 0.1% 0.5% 0.1% 0.1% Performance Data - Standard Range Performance Data - High Power Range/Extended High Power Range Performance Data - Passivated Range Construction A thin-film material is selectively deposited on a 96% alumina substrate together with metallic contacts at each end of the resistor. The unadjusted resistors are heat treated to give the required TCR and stability, then a precisely controlled laser trim process adjusts the resistance value. Epoxy protection is applied and wrap-around terminations are added and plated with Nickel then Tin. Each resistor is measured immediately before packing into tape. Terminations The standard termination is 100% Sn matte plated wrap-around suitable for soldering. SnPb plated option is available for standard range PCF over the restricted range below. Physical Data Dimensions (mm) and Weight (mg) L W T max A C Wt 0201 0.58 0.05 0.29 0.05 0.26 0.15 0.05 0.12 0.05 1 0402 1.0 0.05 0.5 0.05 0.55 0.2 0.1 0.2 0.1 3 0603 1.6 0.2 0.8 0.2 0.65 0.3 0.2 0.3 0.2 6 0805 2.0 0.2 1.25 0.2 0.65 0.4 0.25 0.3 0.2 9 1206 3.05 0.15 1.55 0.15 0.65 0.35 0.25 0.42 0.2 20 1210 3.10 0.15 2.4 0.15 0.65 0.55 0.25 0.4 0.2 25 2010 4.9 0.2 2.4 0.2 0.65 0.5 0.25 0.6 0.3 36 2512 6.3 0.2 3.1 0.2 0.65 0.5 0.25 0.6 0.3 55 T W A A L Wrap-around terminations (3 faces) C 0 100% 100% 70 100% 100% 125 35% 0% 155 0% 0% 20% 40% 60% 80% 100% 0 50 100 150 Ambient Temperature (°C) Temperature Derating High Power Ranges Standard & Passivated Derating Curve |
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