CHR Series Chip Resistors, Non-Magnetic Sizes: 0402, 0504, 0603, 0805, 1206, 2010, 2512, 4020 Features: • • • • • • Chip Resistors in thick film technology Non-magnetic PtAg terminations for conductive gluing and soldering RF-versions untrimmed Suitable for high vacuum applications – no organics High temperature application possible (up to 300°C as CHR-HT) Dimensions: Size L B 0402 1.04 ±0.05 0.5 0504 1.25 0603 1.5 0805 2.0 1206 3.2 +0.15/-0.05 2010 5.10 +0.15/-0.05 6.30 +0.15/-0.05 10.20 +0.15/-0.05 2512 4020 +0.15/-0.05 ±0.05 D C 0.3 ±0.05 0.1 +0.1/-0.05 1.0 +0.15/-0.05 0.3 +0.15/-0.05 0.2 +0.2/-0.1 +0.15/-0.05 0.8 +0.15/-0.05 0.4 +0.15/-0.05 0.2 +0.2/-0.1 +0.15/-0.05 1.25 0.4 +0.15/-0.05 0.3 +0.2/-0.1 +0.15/-0.05 1.5 +0.2/-0.05 2.50 +0.2/-0.05 3.50 +0.2/-0.05 5.10 +0.2/-0.05 0.4 +0.15/-0.05 B D L 0.3 +0.2/-0.1 0.60 +0.20/-0.1 0.60 +0.15/-0.05 0.9 0.60 +0.15/-0.05 0.9 ±0.2 1.2 ±0.2 C ±0.2 L = Length, B = Width, D = Thickness, C = Width of wrap around (in mm) Packaging: Bulk in plastic bags – minimum quantity 100 pieces per value Embossed carrier tape acc. to IEC 60286-3 – minimum 500 pieces per value (CHS0402: 1000 pcs.) Reel diameter 180 mm or 330 mm Ordering Data: Type – value – tolerance – TCR – packaging Example: CHR 0805 221k ± 0,5% - TCR 100 - Tape 180 mm Untrimmed parts are indicated by the extension “NA” in the order code: Type – value – tolerance – NA – TCR - packaging Example: CHR 0805 221k ± 10% NA TCR 100 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. Specifications subject to change without notice Issue 07-2012 Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, United Kingdom. + 44 (0) 1342 717102 + 44 (0) 1342 717104 [email protected] http://www.willow.co.uk CHR Series Chip Resistors, non-magnetic Sizes: 0402, 0504, 0603, 0805, 1206, 2010, 2512, 4020 Technical data – depending on size: Size 0402 Power rating P70 (mW) (P155 = 0 mW) 0504 0603 0805 1206 2010 2512 1000 3) 4020 1500 3) 50 100 100 125 250 500 30 60 50 100 75 150 100 200 200 400 250 900 300 1200 500 1500 2) Working voltage (V) trimmed untrimmed (Tol. > 5%) Ranges / Tolerances / TCR 1) 1R – <10R 10/20% TC250 5/10/20% TC100/250 5/10/20% TC100/250 5/10/20% TC100/250 5/10/20% TC100/250 5/10/20% TC100/250 5/10/20% TC100/250 5/10/20% TC100/250 10R – <100R 5/10% TC100 2/5/10% TC50/100 2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 100R – 1M 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 0,5/…/10% TC50/100 0,5/…/10% TC50/100 0,5/…/10% TC50/100 0,5/…/10% TC50/100 0,5/…/10% TC50/100 >1M – 10M 5/10/20% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1/2/5/10% TC50/100 1) TCR: in ppm/K; +25°C...+125°C; TCR below standard TCR (highest value): +25°C...+85°C U_, U eff; Continuous operating voltage: V ≤ √(P*R) 3) Power Mode: 2W as CHR2512-HT (P70=2W, P300=0W) and 3W as CHR4020-HT (P70=3W, P300=0W) respectively. 2) Higher power rating requires an adequate heat removal (e.g. increased solder pads or Copper thicknesses). The user has to guarantee, that solder joints will not run over their load limit. The resistor must not exceed the specified operating temperature range. Zero-Ohm-Jumper: < 50 mOhm Other values of tolerance, TCR and VCR on request Technical data – general: Operating temperature range -55°C ... +155°C Climatic category acc. to EN 60068-1 55/155/56 Solderability acc. EN 60068-2-58 (lead-free and lead-containing) 4) Max. soldering temperature acc. EN 60068-2-58 250°C 3s 260°C 10s Extended temperature range up to 300°C possible- see datasheet: “High temperature chip resistors” CHR-HT Long term stability 10R – 10 M < 10R Storage 125°C/1000h < 0,5% < 1% Storage 155°C/1000h < 1% < 2% Load P70/70°C/1000 h < 0,5% < 1% Short term overload < 0,25% < 0,5% Damp heat (56d/40°C/96%) < 0,5% < 1% 4) Up to 6 months after shipment; longer at storage in Nitrogen Data not specified according to EN 140401-802 (CECC 40401-802) Specifications subject to change without notice Issue 07-2012 Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, United Kingdom. + 44 (0) 1342 717102 + 44 (0) 1342 717104 [email protected] http://www.willow.co.uk