1、 REVISIONS LT DESCRIPTION DATE APPROVED A Revise to present DoD policy requirements. Editorial changes throughout. 12 Jul 2000 Kendall A. Cottongim B Inactivation of resistance temperature curves “K”, “Y”, and “Z” for new design. Editorial changes throughout. 12 Mar 2007 M. Radecki CURRENT DESIGN AC
2、TIVITY CAGE CODE 037Z3 DEFENSE LOGISTICS AGENCY DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO 43218-3990 Resistance temperature curve “K”, “Y”, and “Z” of DSCC drawing 93074 are inactive for new design as of 12 March 2007. Use resistance ratio “D”, “A”, and “B”, respectively, of MIL-PRF-32192/5 for
3、 all new design and replacement purposes. Prepared in accordance with ASME Y14.100 Selected item drawing REV STATUS OF PAGES REV B B B B B B B B PAGES 1 2 3 4 5 6 7 8 PMIC N/A PREPARED BY DENNIS CROSS DESIGN ACTIVITY: DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO 45444-5000 Original date of drawing
4、CHECKED BY ANDREW ERNST TITLE THERMISTOR, (THERMALLY SENSITIVE RESISTOR), 28 July 1993 APPROVED BY DAVID E. MOORE NTC, CHIP, STYLE 1206 SIZE A CODE IDENT. NO. 14933 DWG NO. 93074 REV B PAGE 1 OF 8 AMSC N/A 5905-E607 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
5、 from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 93074 REV B PAGE 2 1. SCOPE 1.1 Scope. This drawing describes the requirements for a thermally sensitive 0.120 x 0.060 chip resistor. 1.2 Part or Identifying Number (PIN). The complete PIN is as follows:
6、93074 - S 5102 J Drawing number Curve (see table I) Resistance value (see 3.3.1 and table l) Resistance tolerance (see 3.3.3) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this d
7、ocument to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-32192 - Resistors, Chip, Thermal (Thermistor), General Specification for. DEPARTMENT OF DEFENSE STANDARDS MI
8、L-STD-202 - Test Methods for Electronic and Electrical Component Parts. (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or http:/assist.daps.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094
9、.) 2.2 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIR
10、EMENTS 3.1 Item requirements. The individual item requirements shall be in accordance with MIL-PRF-32192 and as specified herein. 3.2 Interface and physical dimensions. The interface and physical dimensions shall be as specified in MIL-PRF-32192 and herein (see figure 1). 3.3 Electrical characterist
11、ics. 3.3.1 Resistance. The resistance measured at 25C and expressed in ohms shall be as specified in table I and is identified by a four-digit number. The first three digits represent significant figures, and the last digit specifies the number of zeros to follow. The standard resistance values for
12、every decade shall be as specified in table II. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 93074 REV B PAGE 3 NOTES: 1. Dimensions are in millimeters. 2. Inch-poun
13、d equivalents are given for general information. FIGURE 1. Resistor, thermally sensitive (style 1206). 3.3.2 Resistance at temperatures other than 25C. Resistance at temperatures other than 25C shall be as specified in table III. TABLE I. Minimum and maximum resistance values and curves. Resistance
14、values in ohms, kilohms, or Megohms at 25C Resistance temperature curve 47 to 250 K 1/ 470 to 1.5k A 2k to 4.7k T 5k to 20k Y 1/ 47k to 100k Z 1/ 100k to 200k S 240k to 510k W 200k to 510k M 750k to 2M V 47M to 10M P 1/ Inactive for new design. mm Inches 0.127 0.203 0.508 1.499 1.524 3.200 .005 .008
15、 .020 .059 .060 .126 1.524.203Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 93074 REV B PAGE 4 TABLE II. Standard resistance values for the 10 to 100 decade by tolera
16、nce. Tolerance (+%) Tolerance (+%) Tolerance (+%) 1 (F) 2 (G) 5 (J) 10 (K) 1 (F)2 (G) 5 (J)10 (K) 1 (F) 2 (G) 5 (J) 10 (K) 1.00 2.15 4.64 1.02 1.00 2.21 2.15 4.75 4.64 1.05 2.26 4.87 1.07 1.05 1.0 2.32 2.26 2.2 4.99 4.87 4.7 1.10 2.37 5.11 1.13 1.10 2.43 2.37 5.23 5.11 1.15 2.49 5.36 1.18 1.15 1.1 1
17、.0 2.55 2.49 2.4 2.2 5.49 5.36 5.1 4.7 1.21 2.61 5.62 1.24 1.21 2.67 2.61 5.76 5.62 1.27 2.74 5.90 1.30 1.27 1.2 2.80 2.74 2.7 6.04 5.90 5.6 1.33 2.87 6.19 1.37 1.33 2.94 2.87 6.34 6.19 1.40 3.01 6.49 1.43 1.40 1.3 1.2 3.09 3.01 3.0 2.7 6.65 6.49 6.2 5.6 1.47 3.16 6.81 1.50 1.47 3.24 3.16 6.98 6.81
18、1.54 3.32 7.15 1.58 1.54 1.5 3.40 3.32 3.3 7.32 7.15 6.8 1.62 3.48 7.50 1.65 1.62 3.57 3.48 7.68 7.50 1.69 3.65 7.87 1.74 1.69 1.6 1.5 3.74 3.65 3.6 3.3 8.06 7.87 7.5 6.8 1.78 3.83 8.25 1.82 1.78 3.92 3.83 8.45 8.25 1.87 4.02 8.66 1.91 1.87 1.8 4.12 4.02 3.9 8.87 8.66 8.2 1.96 4.22 9.09 2.00 1.96 4.
19、32 4.22 9.31 9.09 2.05 4.42 9.53 2.10 2.05 2.0 1.8 4.53 4.42 4.3 3.9 9.76 9.53 9.1 8.2 3.3.3 Resistance tolerance. The thermistor specified herein is available in resistance tolerances F (1 percent), G (2 percent), J (5 percent), and K (10 percent) plus the resistance deviation at specified temperat
20、ure as specified in table III. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 93074 REV B PAGE 5 TABLE III. Resistance temperature coefficient. See footnote at end of
21、table. Temperature CURVE K 1/ CURVE M CURVE P CURVE S CURVE T C F RT/R25 Max NTC Dev RT/R25 Max NTC Dev RT/R25 Max NTC Dev RT/R25 Max NTC Dev RT/R25 Max NTC Dev -60 -76 -55 -67 -50 -58 -40 -40 -30 -22 -20 -4 -15 5 -10 14 - 5 23 0 32 5 41 10 50 15 59 20 68 25 77 30 86 35 95 40 104 45 113 50 122 55 13
22、1 60 140 65 149 70 158 75 167 80 176 85 185 90 194 95 203 100 212 105 221 110 230 115 239 120 248 125 257 130 266 140 284 150 302 - - - - - - 9.59 23.0 4.0 6.71 19.0 3.75 4.78 17.0 3.50 3.47 15.0 3.25 2.95 15.0 3.15 2.57 13.0 3.05 2.22 13.0 2.96 1.96 9.0 2.87 1.68 9.0 2.79 1.47 8.0 2.70 1.29 8.0 2.6
23、3 1.13 3.0 2.56 1.0 0 2.49 .884 4.0 2.42 .784 4.0 2.35 .698 8.0 2.28 .623 8.0 2.22 .558 10.0 2.15 .500 10.0 2.09 .451 12.0 2.04 .407 12.0 1.98 .368 13.0 1.93 .333 13.0 1.88 .302 15.0 1.83 .275 15.0 1.79 .250 16.0 1.75 .229 16.0 1.70 .211 18.0 1.65 .195 18.0 1.61 .182 21.0 1.55 .170 21.0 1.51 .157 21
24、.0 1.48 .140 25.0 1.47 - - - - - - - - - - - - - - - 56.49 3.5 6.9 29.49 3.0 6.3 16.03 2.4 5.9 9.04 1.9 5.6 6.873 - - 5.267 1.4 5.2 4.070 - - 3.166 1.0 4.9 2.461 - - 1.958 0.5 4.7 1.556 - - 1.243 0.1 4.4 1.0 - 4.2 .809 0.2 4.0 .658 - - .538 0.6 3.7 .443 - - .366 1.0 3.6 .304 - - .253 1.2 3.4 .212 -
25、- .179 1.6 3.2 .151 - - .128 1.9 3.1 .109 - - .093 2.1 2.9 .080 - - .069 2.4 2.8 .060 - - .052 2.6 2.7 .045 - - .039 2.9 2.7 .034 3.0 2.6 .030 3.1 2.5 .023 3.4 2.4 .018 3.5 2.3 - - - 159.0 - - 110.1 - - 55.5 - - 28.4 - - 14.65 13.7 6.8 10.51 - - 7.61 11.7 6.4 5.56 - - 4.09 9.9 6.0 3.04 - - 2.28 8.2
26、5.7 1.72 - - 1.31 6.6 5.4 1.0 - - .77 5.2 5.1 .60 - - .47 3.7 4.9 .37 - - .29 2.4 4.6 .23 - - .19 1.1 4.4 .15 - - .12 - 4.2 .10 - - .08 1.0 4.0 .066 - - .054 2.1 3.8 .045 - - .037 3.1 3.6 .031 - - .026 4.0 3.5 .022 - - .019 4.9 3.3 .016 5.3 3.2 .013 5.8 3.2 .01 6.6 3.1 .007 7.3 2.9 84.59 6.0 6.7 60.
27、78 5.0 6.5 44.13 3.9 6.0 23.98 3.3 5.9 13.52 2.6 5.6 7.891 2.1 5.2 6.102 1.8 5.1 4.754 1.5 4.9 3.731 1.3 4.8 2.949 1.1 4.6 2.346 0.9 4.5 1.879 0.6 4.4 1.513 0.4 4.3 1.226 0.1 4.2 1.0 - 4.0 .819 0.2 3.9 .675 0.4 3.8 .559 0.7 3.7 .466 0.9 3.6 .389 1.1 3.5 .327 1.2 3.5 .278 1.3 3.4 .234 1.5 3.3 .199 1.
28、8 3.2 .170 2.0 3.1 .146 2.1 3.1 .126 2.2 3.0 .108 2.3 2.9 .094 2.5 2.8 .082 2.6 2.8 .071 2.7 2.7 .062 2.8 2.6 .055 3.0 2.6 .048 3.2 2.5 .043 3.3 2.5 .038 3.4 2.4 .03 3.7 2.3 .024 4.0 2.0 49.1 - - 36.6 - - 27.5 18.5 5.5 16.1 15.4 5.3 9.70 12.5 4.9 6.05 9.9 4.5 4.84 - - 3.89 7.4 4.2 3.15 - - 2.57 5.0
29、4.0 2.10 - - 1.73 2.7 3.6 1.43 - - 1.19 0.5 3.6 1.0 - 3.5 .841 1.4 3.4 .711 - - .604 3.2 3.2 .515 - - .442 5.0 3.1 .380 - - .328 6.7 2.9 .285 - - .248 8.2 2.8 .216 - - .189 9.8 2.6 .167 - - .15 11.2 2.5 .130 - - .12 12.6 - - - - - - - - - - - - - - - - - - - - - - - - - Provided by IHSNot for Resale
30、No reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 93074 REV B PAGE 6 TABLE III. Resistance temperature coefficient - Continued. 1/ Inactive for new design 3.3.4 Resistance ratio. The resistance ratio
31、 (Rt/R25) is the resistance at an arbitrary temperature (T) divided by the resistance of the device at a reference temperature of 25C. 3.3.5 Power rating. The thermistor shall be capable of dissipating a maximum power of 0.125 watts at 25C. 3.3.6 Time constant. The thermal time constant shall be 8 s
32、econds maximum in still air. Temperature CURVE V CURVE W CURVE A CURVE Y 1/ CURVE Z 1/ C F RT/R25 Max NTC Dev RT/R25 Max NTC Dev RT/R25 Max NTC Dev RT/R25 Max NTC Dev RT/R25 Max NTC Dev -60 -76 -55 -67 -50 -58 -40 -40 -30 -22 -20 -4 -15 5 -10 14 -5 23 0 32 5 41 10 50 15 59 20 68 25 77 30 86 35 95 40
33、 104 45 113 50 122 55 131 60 140 65 149 70 158 75 167 80 176 85 185 90 194 95 203 100 212 105 221 110 230 115 239 120 248 125 257 130 266 140 284 150 302 - - - - - - 90.06 5.0 7.2 44.03 4.2 7.0 22.35 2.9 6.6 11.80 2.7 6.2 8.691 - - 6.453 2.1 5.9 4.830 - - 3.643 1.4 5.5 2.774 - - 2.128 0.8 5.2 1.644
34、- - 1.278 0.2 5.0 1.0 - 4.9 .787 0.4 4.7 .623 - - .497 0.9 4.5 .398 - - .321 1.5 4.3 .26 - - .212 1.9 4.1 .173 - - .143 2.4 3.9 .118 - - .098 2.7 3.7 .081 - - .068 3.2 3.5 .057 - - .048 3.6 3.4 .041 - - .035 4.0 3.2 .03 - - .025 4.4 3.1 .022 4.5 3.0 .019 4.7 3.0 .014 5.0 2.9 .011 5.4 2.8 - - - - - -
35、 - - - 40.16 3.0 - 20.64 2.4 6.5 11.03 1.9 5.1 8.175 - - 6.119 1.4 5.7 4.615 - - 3.510 1.0 5.4 2.690 - - 2.078 0.5 5.1 1.617 - - 1.267 0.1 4.8 1.0 - 4.7 .794 0.2 4.6 .635 - - .511 0.6 4.3 .413 - - .336 1.0 4.1 .275 - - .23 1.2 3.9 .167 - - .155 1.6 3.7 .129 - - .108 1.9 3.5 .091 - - .077 2.1 3.3 .06
36、5 - - .057 2.4 3.2 .048 - - .041 2.6 3.0 .035 - - .030 2.9 2.9 .026 - - .023 3.1 2.8 .017 3.4 2.7 .013 3.5 - 43.0 - - 31.9 - - 24.3 18.3 5.6 14.4 15.4 4.9 8.93 12.5 4.5 5.69 9.9 4.4 4.56 - - 3.68 7.4 4.3 2.99 - - 2.45 5.0 3.9 2.02 - - 1.68 2.7 3.8 1.42 - - 1.18 0.5 3.4 1.0 - 3.1 .854 1.4 3.0 .732 -
37、- .628 3.2 2.9 .537 - - .484 5.0 2.8 .403 - - .350 6.7 2.7 .305 - - .267 8.2 2.6 .238 - - .208 9.8 2.5 .183 - - .163 11.2 2.4 .145 - - .130 12.6 2.3 .117 - - .105 - - .094 13.5 2.2 .085 - - .075 15.0 2.1 - - - - - - - - - 75.69 9.7 - 54.78 - - 40.06 8.2 6.1 22.05 6.8 5.8 12.56 5.6 5.4 7.422 4.4 5.1
38、5.777 - - 4.527 3.3 4.8 3.58 - - 2.848 2.3 4.5 2.282 - - 1.838 1.2 4.2 1.492 - - 1.216 0.3 4.0 1.0 - 3.9 .826 0.6 3.8 .686 - - .573 1.4 3.6 .480 - - .405 2.2 3.4 .343 - - .291 3.0 3.2 .249 - - .214 3.6 3.0 .184 - - .159 4.3 2.8 .138 - - .120 4.9 2.7 .105 - - .092 5.5 2.5 .081 - - .072 6.1 2.4 .064 -
39、 - .059 6.7 2.3 .050 6.9 - - - - - - - - - - 140.58 4.1 - 96.40 - - 67.06 3.5 7.2 33.66 3.0 6.7 17.10 2.4 6.2 9.712 1.9 5.8 7.296 - - 5.534 1.4 5.5 4.234 - - 3.266 1.0 5.1 2.540 - - 1.99 0.5 4.6 1.571 - - 1.249 0.1 4.5 1.0 - 4.4 .806 0.2 4.3 .653 - - .533 0.6 4.0 .437 - - .36 1.0 3.8 .299 - - .249 1
40、.2 3.6 .208 - - .175 1.6 3.4 .148 - - .126 1.8 3.3 .107 - - .092 2.1 3.1 .079 - - .068 2.4 2.9 .059 - - .061 2.6 2.8 .045 - - .039 2.9 2.7 .034 3.0 2.6 .030 3.1 2.5 .024 3.4 2.4 .019 3.5 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECT
41、RONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 93074 REV B PAGE 7 3.3.7 Dissipation constant. The dissipation constant shall be 2 mW/C in still air. 3.3.8 Resistance temperature coefficient. The resistance temperature coefficient shall be as specified in table Ill. 3.3.9 Operat
42、ing temperature range. The operating temperature range shall be -65C to +150C. 3.4 Terminals. 3.4.1 End band material. Units shall be capable of meeting the solderability requirements of MIL-PRF-32192. 3.4.2 Termination finish. The termination finish shall be solder coated leach guard termination. 3
43、.5 Pure tin. The use of pure tin, as an underplate or final finish is prohibited both internally and externally. Tin content of resistor components and solder shall not exceed 97 percent, by mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.3). 3.6 Thermal shock. When resistors are tested as specified in 4.3, resistors shall show no evidence of mechanical damage. The change in zero-power resistance shall not exceed 2 percent. 3.7 Marking. Marking of individual chip thermistors is not required but is permitted; h
