GSR Vishay Angstrohm Metal Film Resistors, Hermetically-Sealed, Precision, Industrial FEATURES * Hermetic glass enclosure is impervious to harmful environments * Inert gas filled * Low noise (- 40 dB) * Low TCR (down to 15 ppm/C) MECHANICAL SPECIFICATIONS Termination: Vishay Angstrohm GSR resistors use goldplated nickel leads, which are both solderable and weldable (hot solder dip is available as an option). STANDARD ELECTRICAL SPECIFICATIONS POWER RATING P125 C W MAXIMUM WORKING VOLTAGE (1) V TEMPERATURE COEFFICIENT ppm/C TOLERANCE % RESISTANCE RANGE 0.125 0.10 200 15, 25, 50 0.05, 0.1, 0.5, 1 10 to 2.5M 0.25 0.125 250 15, 25, 50 0.05, 0.1, 0.5, 1 10 to 1M GSR60 0.25 0.125 250 15, 25, 50 0.05, 0.1, 0.5, 1 10 to 3M GSR65 0.50 0.25 300 15, 25, 50 0.05, 0.1, 0.5, 1 10 to 10M GSR70 0.75 0.50 350 15, 25, 50 0.05, 0.1, 0.5, 1 10 to 10M GSR75 2.0 1.0 750 15, 25, 50 0.05, 0.1, 0.5, 1 10 to 5M MODEL P70 C W GSR55 GSR57 Note (1) Continuous working voltage shall be P x R or maximum working voltage, whichever is less. GLOBAL PART NUMBER INFORMATION New Global Part Numbering: GSR55E49R900BMR (preferred part number format) G S R 5 5 E 4 9 R 9 0 0 B M R GLOBAL MODEL TEMPERATURE COEFFICIENT RESISTANCE VALUE TOLERANCE CODE PACKAGING SPECIAL (see Standard Electrical Specifications table) X = 15 ppm E = 25 ppm H = 50 ppm R= K = k M = M 10R000 = 10 49R900 = 49.9 680K00 = 680 k 1M0000 = 1.0 M A = 0.05 % B = 0.1 % D = 0.5 % F = 1.0 % MR = Foil bag (55, 57, 60, 65, 70) MS = Foil bag (75 only) CS = Reel (55, 57, 60) CT = Reel (65, 70, 75) Blank = Standard (Dash Number) (up to 3 digits) From 1 to 999 as applicable Historical Part Numbering: GSR55E49R9B (will continue to be accepted) GSR55 E 49R9 B HISTORICAL MODEL TEMPERATURE COEFFICIENT RESISTANCE VALUE TOLERANCE CODE www.vishay.com 42 For technical questions, contact: ff2aresistors@vishay.com Document Number: 66004 Revision: 11-Mar-10 GSR Metal Film Resistors, Hermetically-Sealed, Precision, Industrial Vishay Angstrohm DIMENSIONS in inches (millimeters) E C A B D MODEL A LENGTH B DIAMETER C CL TO CL (MAX.) D LENGTH 0.125 ( 3.18) E DIAMETER 0.002 ( 0.051) D APPROX. WEIGHT (g) GSR55 0.280 0.020 (7.11 0.51) 0.110 0.020 (2.79 0.51) 0.379 (9.63) 1.50 (38.10) 0.025 (0.635) 0.337 GSR57 0.310 0.025 (7.87 0.64) 0.150 0.020 (3.81 0.51) 0.467 (11.86) 1.50 (38.10) 0.025 (0.635) 0.405 GSR60 0.425 0.030 (10.80 0.76) 0.150 0.020 (3.81 0.51) 0.530 (13.46) 1.50 (38.10) 0.025 (0.635) 0.450 GSR65 0.640 0.040 (16.26 1.02) 0.240 0.025 (6.10 0.64) 0.780 (19.81) 1.50 (38.10) 0.025 (0.635) 1.300 GSR70 0.640 0.040 (16.26 1.02) 0.240 0.025 (6.10 0.64) 0.780 (19.81) 1.50 (38.10) 0.032 (0.813) 1.440 GSR75 1.062 0.062 (26.98 1.58) 0.250 0.025 (6.35 0.64) 1.186 (30.12) 1.50 (38.10) 0.032 (0.813) 2.500 RATED POWER IN % POWER DERATING MARKING 120 125 C 100 - Style and size 80 - Value 60 40 - Tolerance and RTC 20 0 - Date code 25 50 75 100 125 AMBIENT TEMPERATURE C Document Number: 66004 Revision: 11-Mar-10 150 175 For technical questions, contact: ff2aresistors@vishay.com www.vishay.com 43 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1