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| KOA SPEER ELECTRONICS, INC. SS-252 R2 AHA 6/01/06 Positive Tempco Thermistor Type PT72 1. Features I I I I CERTIFIED CERTIFIED Reduced size, light weight and small mounting area Quick thermal response Curie temperature: 70C, 80C, 100C Marking: Black coating for 70C Curie temperature Brown coating for 80C Curie temperature Blue coating for 100C Curie temperature 2. Dimensions L W Solder Plating d Protective Coating Resistive Body Inner Electrode Ni Plating Table 1 Type Dimensions - inches (mm) L W t .049.008 (1.250.2) .063.008 (1.60.2) .039.008 (1.00.2) .039.008 (1.00.2) d .016.008 (0.40.2) .020.012 (0.50.3) .079.008 2A (0805) (2.00.2) .126.008 2B (1206) (3.20.2) t 3. Type Designation Type designation shall be as the following form. PT72 Type 2A Size Code 2A: 0805 2B: 1206 T Termination Material T: Sn (Other termination styles available, contact factory for options) 70C Curie Temperature 70C 80C 100C TE Packaging TE: 7" Embossed Plastic (3,000 pieces/reel) 471 Nominal Resistance 2 Significant figures + 1 multiplier PAGE 1 OF 4 Bolivar Drive I P.O. Box 547 I Bradford, PA 16701 I USA I 814-362-5536 I Fax 814-362-8883 I www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA SPEER ELECTRONICS, INC. SS-252 R2 4. Typical Circuit Schematic PT72 R2 R1 5. Applications and Ratings Part Designation Curie Temperature Resistance @ 25C Resistance Tolerance Temperature @ R25 x 7 85C 10C 470 50% 70C PT722B 80C 100C 120, 470, 1k 50, 470, 1k 470, 1k 85C 10C 95C 10C 115C 10C 95C 10C 115C 10C 16V -55C to +125C Absolute Maximum Working Voltage Operating Temperature Range 70C PT722A 80C 100C 6. Environmental Applications 6.1 Temperature Characteristics 1000 CT 70C CT 80C CT 100C Resistance (k) 100 10 1 0.1 -20 0 20 40 60 80 100 Temperature (C) 120 140 160 PAGE 2 OF 4 Bolivar Drive I P.O. Box 547 I Bradford, PA 16701 I USA I 814-362-5536 I Fax 814-362-8883 I www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA SPEER ELECTRONICS, INC. SS-252 R2 6.2 Performance Characteristics Requirement R Parameter Resistance to Solder Heat Rapid Change of Temperature Resistance Humidity Resistance Load Life Limit 20.0% 20.0% 50.0% 20.0% 5.0% Typical 4.0% 4.0% 35.0% 4.0% 4.0% Test Method 260C 5C, 10 seconds 1 second -55C (30 minutes), +125C (30 minutes), 5 cycles 25C 40C 2C, 90 - 95% RH, 1000 hours 25C 2C, 1000 hours, rated voltage 7. Packaging Specifications 7.1 Dimensions of Plastic Tape J t A D B C E K L F G H Direction of feed Dimensions in inches (mm) Series 2A 2B A 0.057 0.004 (1.45 0.1) 0.075 0.004 (1.9 0.1) B 0.089 0.004 (2.25 0.1) 0.138 0.004 (3.5 0.1) C 0.315 0.008 (8.0 0.2) 0.315 0.008 (8.0 0.2) D 0.138 0.002 (3.5 0.05) 0.138 0.002 (3.5 0.05) E 0.069 0.004 (1.75 0.1) 0.069 0.004 (1.75 0.1) F 0.157 0.004 (4.0 0.1) 0.157 0.004 (4.0 0.1) Series 2A 2B G 0.079 0.002 (2.0 0.05) 0.079 0.002 (2.0 0.05) H 0.157 0.004 (4.0 0.1) 0.157 0.004 (4.0 0.1) J 0.059 0.004 . 0 (1.5 0.1 ) 0 0.059 0.004 0. (1.5 0.1 ) 0 K 0.039 0.008 0. (1.0 0.2 ) 0 0.039 0.008 0. (1.0 0.2 ) 0 L 0.049 0.004 (1.25 0.1) 0.049 0.004 (1.25 0.1) t 0.01 0.002 (0.25 0.05) 0.01 0.002 (0.25 0.05) PAGE 3 OF 4 Bolivar Drive I P.O. Box 547 I Bradford, PA 16701 I USA I 814-362-5536 I Fax 814-362-8883 I www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA SPEER ELECTRONICS, INC. SS-252 R2 7. Packaging Specifications (Continued) 7.2 Leader and End Tape 19.69 (500 20 ) 0 19.69 (500 20 ) 0 5.91(150 20 ) 0 Top tape (Empty) End Tape 3000 pcs. (Chip Mounting Space) (Empty) (Leader Space) Leader Tape Tape running direction 7.3 Reel specifications for taping Marking B A C D Dimensions in inches (mm) Series PT72 A 7.01 0.079 (178 2) B C D Material Plastic 2.36 0.079 0.512 0.020 0.354 0.059 (60 2) (13 0.5) (9 1.5) PAGE 4 OF 4 Bolivar Drive I P.O. Box 547 I Bradford, PA 16701 I USA I 814-362-5536 I Fax 814-362-8883 I www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. |
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