SRT Resistor Technology Power Chip Resistors Type: CRW Sizes: 1210, 1216, 2010, 2040, 2512, 4020 Features: • • • • Chip Resistors in Thickfilm Contact areas Nickel-barrier/ tinned RF – versions with air-abrasive trimming Improved pulse power rating untrimmed Dimensions: Sizes L B +0.2/-0.05 0.8 ±0.2 3.2 1216 3.2 +0.2/-0.05 4.1 +0.2/-0.05 0.5 +0.2/-0.1 0.8 ±0.2 2010 5.1 +0.2/-0.05 2.5 +0.2/-0.05 0.6 +0.2/-0.1 1.2 ±0.2 2040 5.1 +0.2/-0.05 10.2 +0.2/-0.05 0.6 +0.2/-0.1 1.2 ±0.2 2512 6.3 +0.2/-0.05 3.50 +0.2/-0.05 0.6 +0.2/-0.1 0.9 ±0.2 5.1 +0.2 0.6 +0.2/-0.1 0.9 ±0.2 10.2 +0.2 0.5 C +0.2/-0.1 1210 4020 2.5 D +0.2/-0.05 B D L C L = Length. B = Width. D = Thickness. C = Width of wrap around (in mm) Packaging: Bulk in plastic bags or tubes – minimum quantity 100 pieces per value Blistertape acc. to IEC 60286-3 – minimum 1000 pieces per value Reel diameter 180 mm or 330 mm Ordering Data: Type – value – tolerance – TCR – packaging Example: CRW 1216 100 R ± 1 % TK50 Tape 180 mm If no requirements for TCR and taping are given, the standard value (highest value in table) will be supplied and packaging is bulk Issue 09/04 SRT Resistor Technology GmbH Fon: ++49 / 09103 / 79520 31Ltd. Shawlands Court, Newchapel Road, Fax:Lingfield,++49 / 09103 5128United Kingdom WillowOstlandstr. Technologies Surrey, RH7 /6BL, D-90556 Cadolzburg Mail to: [email protected] Tel . + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-Mail. [email protected] Web. www.willow.co.uk Internet: www.srt-restech. SRT Resistor Technology Power Chip Resistors Type: CRW Sizes: 1210, 1216, 2010, 2040, 2512, 4020 Technical data – depending on size: Size 1210 1216 2010 2040 2512 (M) 4020 (M) 0.5 0.5 0.9 0.6 0.9 200 600 250 900 250 900 300 (1000) 500 (4000) 1200 (2000) 1500 (6000) 1) Power rating P70 (W) 0.35 (P155 = 0 W) Working voltage U_. Ueff (V) trimmed 200 untrimmed (Tol. > 5%) 600 Ranges / Tolerances / TCR2) / VCR OR1 – 1R TC250 5/10/20% TC250 5/10/20% TC250 5/10/20% TC250 5/10/20% TC250 5/10/20% TC250 5/10/20% 1R – < 100R TC100/250 1/…/20% TC100/250 1/…/20% TC100/250 1/…/20% TC100/250 1/…/20% TC100/250 1/…/20% TC100/250 1/…/20% 100R – 100M TC50/100 1/.../20% TC50/100 1/.../20% TC50/100 1/.../20% TC50/100 1/.../20% TC50/100 0.5/.../20% TC50/100 0.5/.../20% 1) Load acc. To DIN 45921 on PCB. limited by temperature of solder area (competitor data often too high) With suitable heat dissipation higher power rating is possible. Diagrams for over temperatures available on request. 2) TC/50: Temperature range + 25°C...+ 125°C Zero-Ohm-Jumper: :< 50 mOhm. TCR max. + 4000 M at 2512/4020: Meander structure with higher working voltage in bracket. Higher power dissipation, other sizes and specifications on request. Technical data – general: Temperature range Climatic category acc. to IEC 60068 Solderability acc IEC 60068 T2-20. Ta Meth. 1 Max. soldering temperature acc. IEC 60068 T2-20 Tb M. 1A -55°C ... +155°C 55/155/56 235°C 2 s 260°C 10 s Long term stability 10R – 100M <10R Storage 125°C/1000h <0.5% <1% Storage 155°C/1000h <1% <2% Load P70/70°C/1000h <1% <2% Short term overload <0.25% <0.5% Damp heat (56d/40°C/96%) <0.5% <1% Data not specified according CECC 40401-802 IssueIssue 09/0409/04 SRT Resistor Technology GmbH Fon: ++49 / 09103 / 79520 Ostlandstr. 31 Fax: ++49 / 09103 / 5128 WillowD-90556 Technologies Ltd. Shawlands Court, Newchapel Road, Surrey, RH7 6BL, United Kingdom Cadolzburg MailLingfield, to: [email protected] Tel . + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-Mail. [email protected] Web. www.willow.co.uk Internet: www.srt-restech.de