1、 REVISIONS LTR DESCRIPTION DATE APPROVED A Changes to figure 1. Editorial changes throughout. 21 May 1997 David E. Moore B Table I, column I, delete “47 to 220” and substitute “47 to 250”; 3.3, revise to include termination; 3.4, new termination added; DoD policy changes. 6 Dec 2001 Kendall A. Cotto
2、ngim C Max value for curve T revised to 4.7k and Min value for curve Y revised to 5k. Update to present DoD policy requirements. 7 Nov 2003 Kendall A. Cottongim D Inactivation of resistance temperature curves “K”, “Y”, and “Z” for new design. Editorial changes throughout. 12 Mar 2007 M. Radecki CURR
3、ENT DESIGN ACTIVITY CAGE CODE 037Z3 DEFENSE LOGISTICS AGENCY DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO 43218-3990 Resistance temperature curve “K”, “Y”, and “Z” of DSCC drawing 93073 are inactive for new design as of 12 March 2007. Use resistance ratio “D”, “A”, and “B”, respectively, of MIL-PR
4、F-32192/4 for all new design and replacement purposes. Prepared in accordance with ASME Y14.100 Selected item drawing REV D D D D D D D D REV STATUS OF PAGES PAGES 1 2 3 4 5 6 7 8 PMIC N/A PREPARED BY DENNIS CROSS DESIGN ACTIVITY: DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OH CHECKED BY ANDREW ERNST A
5、PPROVED BY DAVID E. MOORE TITLE RESISTOR, THERMAL, CHIP, NTC, STYLE 0805 SIZE A CODE IDENT. NO. 14933 DWG NO. 93073 Original date of drawing 28 July 1993 REV D PAGE 1 OF 8 AMSC N/A 5905-E636 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELE
6、CTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO: 93073 REV D PAGE 2 1. SCOPE 1.1 Scope. This drawing describes the requirements for a 0.080 X 0.050, thermally sensitive, chip resistor. 1.2 Part or Identifying Number (PIN). The complete PIN is as follows: 93073- S 5102 J | | | |
7、 | | | | Drawing number Curve Resistance value Resistance tolerance (see table I) (see 3.3.1 and table l) & termination (see 3.3.3 & 3.4) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a pa
8、rt of this document 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. (Copies of these docum
9、ents 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.) 2.2 Order of precedence. In the event of a conflict between the text of this document and t
10、he 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. REQUIREMENTS 3.1 Item requirements. The individual item requirements shall be in accordance with MIL
11、-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 as specified herein (see figure 1). 3.3 Electrical characteristics. 3.3.1 Resistance. The resistance measured at 25C and expressed in ohms shall
12、 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 every decade shall be as specified in table II. Provided by IHSNot for ResaleNo r
13、eproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO: 93073 REV D PAGE 3 NOTES: 1. Dimensions are in millimeters. 2. Inch-pound equivalents are given for general information. 3. This dimension is 1.500 mm /.
14、060 inches for devices with resistance values (at 25C) of less than 100. 4. This dimension is 1.750 mm /.070 inches for devices with resistance values (at 25C) of less than 100. FIGURE 1. Resistor, thermally sensitive (style 0805). 3.3.2 Resistance at temperatures other than 25C. Resistance at tempe
15、ratures other than 25C shall be as specified in table III. TABLE I. Minimum / maximum resistance value and curve. Resistance values in ohms 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
16、to 2M V 4.7M to 10M P 1/ Inactive for new design. mm inches 0.127 0.203 0.508 1.245 1.397 1.981 .005 .008 .020 .049(see note 3) .055(see note 4) .078 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A
17、 CODE IDENT NO. 14933 DWG NO: 93073 REV D PAGE 4 TABLE II. Standard resistance values for the 10 to 100 decade by tolerance. 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.
18、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 1.0 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
19、 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 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
20、 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 4.32 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 and termination designator. The thermistor specified herein is ava
21、ilable in resistance tolerances F(1 percent), G(2 percent), J(5 percent), and K(10 percent) for tin/lead solderable termination and B(1 percent), C(2 percent), D(5 percent), and E(10 percent) for gold termination plus the resistance deviation at specified temperature as specified in table III. Provi
22、ded 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: 93073 REV D PAGE 5 TABLE III. Resistance temperature coefficient. CURVE K 1/ CURVE M CURVE P CURVE S CURVE T C F RT/25 Max De
23、v NTC RT/25 Max Dev NTC RT/25 Max Dev NTC RT/25 Max Dev NTC RT/25 Max Dev NTC -60 -76 - - - - - - - - - 84.59 6.0 6.7 49.1 - - -55 -67 - - - - - - 159.0 - - 60.78 5.0 6.5 36.6 - - -50 -58 9.59 23.0 4.0 56.49 3.5 6.9 110.1 - - 44.13 3.9 6.0 27.5 18.5 5.5 -40 -40 6.71 19.0 3.75 29.49 3.0 6.3 55.5 - -
24、23.98 3.3 5.9 16.1 15.4 5.3 -30 -22 4.78 17.0 3.50 16.03 2.4 5.9 28.4 - - 13.52 2.6 5.6 9.70 12.5 4.9 -20 -4 3.47 15.0 3.25 9.04 1.9 5.6 14.65 13.7 6.8 7.891 2.1 5.2 6.05 9.9 4.5 -15 5 2.95 15.0 3.15 6.873 - - 10.51 - - 6.102 1.8 5.1 4.84 - - -10 14 2.57 13.0 3.05 5.267 1.4 5.2 7.61 11.7 6.4 4.754 1
25、.5 4.9 3.89 7.4 4.2 -5 23 2.22 13.0 2.96 4.070 - - 5.56 - - 3.731 1.3 4.8 3.15 - - 0 32 1.96 9.0 2.87 3.166 1.0 4.9 4.09 9.9 6.0 2.949 1.1 4.6 2.57 5.0 4.0 5 41 1.68 9.0 2.79 2.461 - - 3.04 - - 2.346 0.9 4.5 2.10 - - 10 50 1.47 8.0 2.70 1.958 0.5 4.7 2.28 8.2 5.7 1.879 0.6 4.4 1.73 2.7 3.6 15 59 1.2
26、9 8.0 2.63 1.556 - - 1.72 - - 1.513 0.4 4.3 1.43 - - 20 68 1.13 3.0 2.56 1.243 0.1 4.4 1.31 6.6 5.4 1.226 0.1 4.2 1.19 0.5 3.6 25 77 1.0 0 2.49 1.0 - 4.2 1.0 - - 1.0 - 4.0 1.0 - 3.5 30 86 0.884 4.0 2.42 0.809 0.2 4.0 0.77 5.2 5.1 0.819 0.2 3.9 0.841 1.4 3.4 35 95 0.784 4.0 2.35 0.658 - - 0.60 - - 0.
27、675 0.4 3.8 0.711 - - 40 104 0.698 8.0 2.28 0.538 0.6 3.7 0.47 3.7 4.9 0.559 0.7 3.7 0.604 3.2 3.2 45 113 0.623 8.0 2.22 0.443 - - 0.37 - - 0.466 0.9 3.6 0.515 - - 50 122 0.558 10.0 2.15 0.366 1.0 3.6 0.29 2.4 4.6 0.389 1.1 3.5 0.442 5.0 3.1 55 131 0.500 10.0 2.09 0.304 - - 0.23 - - 0.327 1.2 3.5 0.
28、380 - - 60 140 0.451 12.0 2.04 0.253 1.2 3.4 0.19 1.1 4.4 0.278 1.3 3.4 0.328 6.7 2.9 65 149 0.407 12.0 1.98 0.212 - - 0.15 - - 0.234 1.5 3.3 0.285 - - 70 158 0.368 13.0 1.93 0.179 1.6 3.2 0.12 - 4.2 0.199 1.8 3.2 0.248 8.2 2.8 75 167 0.333 13.0 1.88 0.151 - - 0.10 - - 0.170 2.0 3.1 0.216 - - 80 176
29、 0.302 15.0 1.83 0.128 1.9 3.1 0.08 1.0 4.0 0.146 2.1 3.1 0.189 9.8 2.6 85 185 0.275 15.0 1.79 0.109 - - 0.066 - - 0.126 2.2 3.0 0.167 - - 90 194 0.250 16.0 1.75 0.093 2.1 2.9 0.054 2.1 3.8 0.108 2.3 2.9 0.15 11.2 2.5 95 203 0.229 16.0 1.70 0.080 - - 0.045 - - 0.094 2.5 2.8 0.130 - - 100 212 0.211 1
30、8.0 1.65 0.069 2.4 2.8 0.037 3.1 3.6 0.082 2.6 2.8 0.12 12.6 - 105 221 0.195 18.0 1.61 0.060 - - 0.031 - - 0.071 2.7 2.7 - - - 110 230 0.182 21.0 1.55 0.052 2.6 2.7 0.026 4.0 3.5 0.062 2.8 2.6 - - - 115 239 0.170 21.0 1.51 0.045 - - 0.022 - - 0.055 3.0 2.6 - - - 120 248 0.157 21.0 1.48 0.039 2.9 2.7
31、 0.019 4.9 3.3 0.048 3.2 2.5 - - - 125 257 0.140 25.0 1.47 0.034 3.0 2.6 0.016 5.3 3.2 0.043 3.3 2.5 - - - 130 266 - - - 0.030 3.1 2.5 0.013 5.8 3.2 0.038 3.4 2.4 - - - 140 284 - - - 0.023 3.4 2.4 0.01 6.6 3.1 0.03 3.7 2.3 - - - 150 302 - - - 0.018 3.5 2.3 0.007 7.3 2.9 0.024 4.0 2.0 - - - See footn
32、ote at end of table. 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: 93073 REV D PAGE 6 TABLE III. Resistance temperature coefficient - Continued. CURVE V CURVE W CURVE
33、 A CURVE Y 1/ CURVE Z 1/ C F RT/25 Max Dev NTC RT/25 Max Dev NTC RT/25 Max Dev NTC RT/25 Max Dev NTC RT/25 Max Dev NTC -60 -76 - - - - - - 43.0 - - 75.69 9.7 - 140.58 4.1 - -55 -67 - - - - - - 31.9 - - 54.78 - - 96.40 - - -50 -58 90.06 5.0 7.2 - - - 24.3 18.3 5.6 40.06 8.2 6.1 67.06 3.5 7.2 -40 -40
34、44.03 4.2 7.0 40.16 3.0 - 14.4 15.4 4.9 22.05 6.8 5.8 33.66 3.0 6.7 -30 -22 22.35 2.9 6.6 20.64 2.4 6.5 8.93 12.5 4.5 12.56 5.6 5.4 17.10 2.4 6.2 -20 -4 11.80 2.7 6.2 11.03 1.9 5.1 5.69 9.9 4.4 7.422 4.4 5.1 9.712 1.9 5.8 -15 5 8.691 - - 8.175 - - 4.56 - - 5.777 - - 7.296 - - -10 14 6.453 2.1 5.9 6.
35、119 1.4 5.7 3.68 7.4 4.3 4.527 3.3 4.8 5.534 1.4 5.5 -5 23 4.830 - - 4.615 - - 2.99 - - 3.58 - - 4.234 - - 0 32 3.643 1.4 5.5 3.510 1.0 5.4 2.45 5.0 3.9 2.848 2.3 4.5 3.266 1.0 5.1 5 41 2.774 - - 2.690 - - 2.02 - - 2.282 - - 2.540 - - 10 50 2.128 0.8 5.2 2.078 0.5 5.1 1.68 2.7 3.8 1.838 1.2 4.2 1.99
36、 0.5 4.6 15 59 1.644 - - 1.617 - - 1.42 - - 1.492 - - 1.571 - - 20 68 1.278 0.2 5.0 1.267 0.1 4.8 1.18 0.5 3.4 1.216 0.3 4.0 1.249 0.1 4.5 25 77 1.0 - 4.9 1.0 - 4.7 1.0 - 3.1 1.0 - 3.9 1.0 - 4.4 30 86 0.787 0.4 4.7 0.794 0.2 4.6 0.854 1.4 3.0 0.826 0.6 3.8 0.806 0.2 4.3 35 95 0.623 - - 0.635 - - 0.7
37、32 - - 0.686 - - 0.653 - - 40 104 0.497 0.9 4.5 0.511 0.6 4.3 0.628 3.2 2.9 0.573 1.4 3.6 0.533 0.6 4.0 45 113 0.398 - - 0.413 - - 0.537 - - 0.480 - - 0.437 - - 50 122 0.321 1.5 4.3 0.336 1.0 4.1 0.484 5.0 2.8 0.405 2.2 3.4 0.36 1.0 3.8 55 131 0.26 - - 0.275 - - 0.403 - - 0.343 - - 0.299 - - 60 140
38、0.212 1.9 4.1 0.23 1.2 3.9 0.350 6.7 2.7 0.291 3.0 3.2 0.249 1.2 3.6 65 149 0.173 - - 0.167 - - 0.305 - - 0.249 - - 0.208 - - 70 158 0.143 2.4 3.9 0.155 1.6 3.7 0.267 8.2 2.6 0.214 3.6 3.0 0.175 1.6 3.4 75 167 0.118 - - 0.129 - - 0.238 - - 0.184 - - 0.148 - - 80 176 0.198 2.7 3.7 0.108 1.9 3.5 0.208
39、 9.8 2.5 0.159 4.3 2.8 0.126 1.8 3.3 85 185 0.081 - - 0.091 - - 0.183 - - 0.138 - - 0.107 - - 90 194 0.068 3.2 3.5 0.077 2.1 3.3 0.163 11.2 2.4 0.120 4.9 2.7 0.092 2.1 3.1 95 203 0.057 - - 0.065 - - 0.145 - - 0.105 - - 0.079 - - 100 212 0.048 3.6 3.4 0.057 2.4 3.2 0.130 12.6 2.3 0.092 5.5 2.5 0.068
40、2.4 2.9 105 221 0.041 - - 0.048 - - 0.117 - - 0.081 - - 0.059 - - 110 230 0.035 4.0 3.2 0.041 2.6 3.0 0.105 - - 0.072 6.1 2.4 0.061 2.6 2.8 115 239 0.03 - - 0.035 - - 0.094 13.5 2.2 0.064 - - 0.045 - - 120 248 0.025 4.4 3.1 0.030 2.9 2.9 0.085 - - 0.059 6.7 2.3 0.039 2.9 2.7 125 257 0.022 4.5 3.0 0.
41、026 - - 0.075 15.0 2.1 0.050 6.9 - 0.034 3.0 2.6 130 266 0.019 4.7 3.0 0.023 3.1 2.8 - - - - - - 0.030 3.1 2.5 140 284 0.014 5.0 2.9 0.017 3.4 2.7 - - - - - - 0.024 3.4 2.4 150 302 0.011 5.4 2.8 0.013 3.5 - - - - - - - 0.019 3.5 - 1/ Inactive for new design. 3.3.4 Resistance ratio. The resistance ra
42、tio (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
43、8 seconds maximum in still air. 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 ll. 3.3.9 Operating temperature range. The operating temperature range sh
44、all be -65C to +150C. 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: 93073 REV D PAGE 7 3.4 Terminals. 3.4.1 Termination finish. The termination finish shall be tin/le
45、ad solderable “Leach Guard” or gold plated (see 3.3.3). 3.4.2 Solderability (applicable to tin/lead only). Units shall be capable of meeting the solderability requirements of MIL-PRF-32192. 3.4.3 Gold termination. Gold termination finish shall be compatible with microelectronic assembly processes. G
46、old terminations are not intended to be used for solder applications. 3.5 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 mini
47、mum of 3 percent lead, by mass (see 6.3). 3.6 Marking. Marking of individual chip thermistors is not required but is permitted. Each unit package shall be marked with the PIN assigned herein (see 1.2), with the manufacturers identification code (CAGE), date, and lot code. 3.7 Recycled, recovered, or environmentally prefe
