PRODUCT BULLETIN CRF-SERIES Thick Film Fractional Ohm Resistors STANDARD INDUSTRY CASE SIZES 0603 0805 1206 1210 2010 2512 POWER RATINGS 1/10W, 1/8W, 1/4W, 1/3W, 1/2W, 3/4W & 1W TCR ± 100, ± 300, & ± 600 PPM/°C TOLERANCE 1%, 2% & 5% LOW INDUCTANCE WRAP AROUND TERMINATION TERMINATION BARRIER FOR INNER ELECTRODE PROTECTION STABLE CURRENT DETECTING RESISTOR AVAILABLE IN E24 VALUES WILLOW TECHNOLOGIES LTD. SHAWLANDS COURT, NEWCHAPEL ROAD LINGFIELD, SURREY, RH7 6BL, ENGLAND Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-mail [email protected] Website http://www.willow.co.uk INCHES MILLIMETERS Dimensions TYPE CRF 0603 CRF 0805 CRF 1206 CRF 1210 CRF 2010 CRF 2512 L W H P 0.063 ±0.004 0.031 ±0.004 0.020 ±0.004 0.008 ±0.004 (1.60±0.10) (0.08±0.10) (0.50±0.10) (0.20±0.10) 0.079 ±0.006 0.049 ±0.006 0.020 ±0.006 0.016 ±0.010 (2.00±0.15) (1.25±0.15) (0.50±0.15) (0.40±0.25) 0.126 ±0.006 0.063 ±0.006 0.024 ±0.006 0.020 ±0.010 (3.20±0.15) (1.60±0.15) (0.60±0.15) (0.50±0.25) 0.126 ±0.006 0.098 ±0.006 0.022 ±0.006 0.020 ±0.010 (3.20±0.15) (2.50±0.15) (0.56±0.15) (0.50±0.25) 0.200 ±0.006 0.100 ±0.006 0.022 ±0.006 0.024 ±0.010 (5.00±0.15) (2.50±0.15) (0.56±0.15) (0.60±0.25) 0.250 ±0.006 0.126 ±0.006 0.022 ±0.006 0.024 ±0.010 (6.30±0.15) (3.20±0.15) (0.56±0.15) (0.60±0.25) Operating Temperature Range is -55°C to +125°C L P Electrical Characteristics W PRP TYPE CRF 0603 CRF 0805 CRF 1206 CRF 1210 CRF 2010 CRF 2512 Power Rating at 70°C H 1/10W 1/8W Derated to 0 Load at Termination (Barrier) Termination (Inner) Protective Coating Resistive Element Alumina Substrate Temperature Coefficient 1/3W * 3/4W 1W + 125°C (E24 Values) ** Resistance Range Termination (Outer) 1/4W ±100 PPM/°C ±200 PPM/°C ±300 PPM/°C ±600 PPM/°C ** ±1% ±2% ±5% ** Resistance Tolerance * Available in 1/2W Power Rating ** Consult factory for available options How to Order Specifying the nominal resistance shall be as in EXAMPLE 1. If the resistance value is under 0.1 nominal resistance shall be as specified in EXAMPLE 2. EXAMPLE 1 EXAMPLE 2 Sample Part Number CRF 0805 T200 0.47R = 0.1R = 0.47R = 0.05R = 0.075R ±1% Resistance Tolerance Resistance Value Temperature Coefficient Case Size Type DEDICATION TO EXCELLENCE Data subject to change without notice Continued on reverse side REV O 1/14/00