VPR220S, VPR221S Vishay Foil Resistors FEATURES * Leads preformed for surface mounting * Power: 8 watts - chassis mounted (per MIL-R-39009) * Load Life Stability: 0.05% maximum R at rated power and temperature for 2,000 hours Product may not be to scale * Temperature Coefficient of Resistance: to 5ppm/C * Resistance Range: 0.5 to 10K * Tolerance: To 0.01% Models VPR220S AND VPR221S, made from Vishay Bulk Metal(R) Foil, offer low TCR, high stability, tight tolerance and fast response time in a small, molded resistor. Model VPR220S is a 2 lead device. Model VPR221S is a 4 lead Kelvin connected device. The 4 leaded version is highly recommended for precision applications requiring ohmic values of 100R or less. * Low Thermal EMF: 0.15V/C maximum (lead effect) * Non-Inductive Construction * Heat sink is isolated * Tin/Lead (Sn 60% Pb 40%) coated termination standard. Lead free (100% Sn) option available TABLE 1 - SPECIFICATIONS Load Life Stability at 2,000 hrs 0.05% max R under full rated power @ + 25C Shelf Life Stability 0.0025% R/year Power Rating @ + 25C 8 watts or 3 amps2 on heat sink3 1.5 watts or 3 amps2 in free air Further derating not necesary. Current Noise < 0.010V (rms)/volt of applied voltage (- 40dB) High Frequency Operation Rise/Decay Time Inductance4 (L) Capacitance (C) 0.2ns @ 1 0.1H maximum: 0.03H typical1 1.0pF maximum: 0.5pF typical1 Voltage Coefficient5 < 0.1ppm/V Operating Temperature Range - 55C to + 150C Maximum Working Voltage 300 V. Not to exceed power rating. 6 Thermal EMF 0.15V/C maximum (lead effect) TABLE 2 - VPR220S RESISTANCE RANGE () TABLE 3 - VPR221S TIGHTEST RESISTANCE TOLERANCE TCR* 50 to 10K 0.01% 5ppm/C 25 to < 50 0.02% 7ppm/C 10 to < 25 0.05% 10ppm/C 5 to < 10 0.1% 13ppm/C Weight = 1 gram Maximum *Maximum specifications. Lower values available but not recommended due to high TCR. VISHAY FOIL * FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31 * GERMANY +49.9287.710 FAX: +49 9287.70435 * ISRAEL +972.3.557.0945 FAX: +972.3.558.9121 Document Number: 63050 Revision 20-Jul-04 NOTES: 1. Maximum is 1.0% A.Q.L. standard for all specifications except TCR. Typical is a designers reference which represents that 85% of the units supplied, over a long period of time, will be at least the figure shown or better. 2. Whichever is lower. 3. Heat sink chassis dimensions and requirements per MIL-R-39009/1B: DIMENSION Inches mm L 6.00 152.4 W 4.00 101.6 H 2.00 50.8 T 0.04 1.0 4. Inductance (L) due mainly to the leads. 5. The resolution limit of existing test equipment (within the measurement capability of the equipment, "essentially zero"). 6. V/C relates to EMF due to lead temperature difference. RESISTANCE RANGE () TIGHTEST RESISTANCE TOLERANCE TCR* 0.5 to < 1 0.05% 5ppm/C 1 to < 10 0.02% 5ppm/C 10 to 500 0.01% 5ppm/C Weight = 1.2 grams Maximum *Maximum specifications. Contact Applications Engineering for other available values. * ITALY + 39.2.300.11919 FAX: +39.2.300.11999 * JAPAN +81.42.729.0661 FAX: +81.42.729.3400 * SINGAPORE +65.788.6668 FAX: +65.788.0988 * SWEDEN +46.8.594.70590 FAX: +46.8.594.70581 * UK +44 191 514 8237 FAX: +44 1953 457 722 * USA +1 610 407-4800 FAX: +1 610 640-9081 www.vishay.com 33 SURFACE MOUNT Bulk Metal(R) Foil Technology Precision Foil Surface Mount Power Resistors in TO-220 Configuration VPR220S, VPR221S Bulk Metal(R) Foil Technology Precision Foil Surface Mount Power Resistors in TO-220 Configuration FIGURE 1 - POWER DERATING CURVE FIGURE 2 - VPR220S, VPR221S FORMING DIMENSIONS in inches (millimeters) 0.365 (9.271) Reference 0.015 0.002 (0.381 0.05) +100 Percent of Rated Power SURFACE MOUNT Vishay Foil Resistors 0.050 0.005 (1.27 0.13) +75 0.150 0.008 (3.81 0.2) 0.078 0.005 (1.98 0.13) Before Forming +50 0.695 0.010 (17.65 0.25) +25 0.110 (2.794) Reference 0.090 (2.286) Reference 0 +25 +50 +75 +100 +125 +150 0.090 0.010 (2.286 0.25) Ambient Temperature (C) Heat Sink FIGURE 3 - VPR220S DIMENSIONS in inches (millimeters) FIGURE 4 - VPR221S DIMENSIONS in inches (millimeters) 0.400 0.010 (10.16 0.25) 0.400 0.010 (10.16 0.25) 0.115 0.005 (2.92 0.13) 0.245 0.010 (6.22 0.25) VISHAY VPR220S 1K0 1% 0101 0.115 0.005 (2.92 0.13) 0.245 0.010 (6.22 0.25) VISHAY VPR221S 1R0 1% 0101 0.141 0.005 Diameter (3.58 0.13) 0.200 0.030 (5.08 0.76) Flush with Heat Sink Within 0.002 (0.051) After Forming 0.141 0.005 Diameter (3.58 0.13) 0.200 0.030 (5.08 0.76) 0.050 0.005 (1.27 0.13) 0.050 0.005 (1.27 0.13) 0.030 0.002 (0.76 0.05) 0.030 0.002 (0.76 0.05) I1 E1 E2 I2 0.200 0.005 (5.08 0.13) 0.100 0.005 (2.54 0.13) TABLE 4 - ORDERING INFORMATION Specify Vishay VPR220S or VPR221S for surface mount resistors as follows: Example: VPR221S (none) = 60/40Tin/Lead T = 100% Tin 5R0000 1.0% (none) = Bulk Pack T = Tape and Reel MODEL NO. TERMINATION RESISTANCE VALUE TOLERANCE PACKAGING Resistance value, in ohms, is expressed by a series of 6 characters, 5 of which represent significant digits while the 6th is a dual purpose letter that designates both the multiplier and the location of the comma or decimal. RESISTANCE RANGE 0.5 to < 1K 1K to 10K LETTER DESIGNATOR R K VISHAY FOIL * FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31 * GERMANY +49.9287.710 FAX: +49 9287.70435 * ISRAEL +972.3.557.0945 FAX: +972.3.558.9121 www.vishay.com 34 MULTIPLIER FACTOR x1 x103 * ITALY + 39.2.300.11919 FAX: +39.2.300.11999 * JAPAN +81.42.729.0661 FAX: +81.42.729.3400 * SINGAPORE +65.788.6668 FAX: +65.788.0988 EXAMPLE 100R01 = 100.01 5K2310 = 5,231 * SWEDEN +46.8.594.70590 FAX: +46.8.594.70581 * UK +44 191 514 8237 FAX: +44 1953 457 722 * USA +1 610 407-4800 FAX: +1 610 640-9081 Document Number: 63050 Revision 20-Jul-04 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1