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Leaded Surface Mount Series 768
Technical Data
Features
* * Medium Body Design Low Profile---Board to Network Clearance of 0.0075"0.0025" Solid Ceramic Construction No Internal Dendrite Growth Conforms to EIA PDP-100 SOGN-0002 Packaged in Tape & Reel or Slide Packs Application Specific Circuits Are Available Compatible With Reflow Solder Process RoHS Compliant
* * * * * * *
Resistance Tolerance:
Standard: 2% or 0.5 (whichever is greater) Special: 0.25% or 0.3 (whichever is greater)
Resistance Range:
Standard: 10 to 1 Meg
Operating Temperature Range: -55C to +125C Temperature Coefficient:
Standard: 100 to 1 Meg 100PPM/C typical 10 to 99 200PPM/C typical
Dielectric Strength: 100 VAC Maximum Operating Voltage:
50V not to exceed rated power
Power Rating (Total Network Power):
14 Pin 2.0w 1.3w 16 Pin 2.3w 1.5w 20 Pin 3.0w 2.0w
@25C @70C
Maximum Resistor Power:
(Not to Exceed Total Network Power)
Schematic @25C @70C 1 0.15w 0.10w 3 0.30w 0.20w 5 0.15w 0.10w 7 0.15w 0.10w
1 of 5
January 2008
CTS Electronic Components
Leaded Surface Mount Series 768
www.ctscorp.com
Types of Circuits
Bussed (Schematic 1) Isolated (Schematic 3) Dual Terminator (Schematic 5) R/2R Ladder (Schematic 7)
A DIM. .200 .008
+.050 -.030 +.002 -.001
No. of Pins
7.620 .300
"A" Dimension mm 9.91 0.25 11.18 0.25 13.70 0.25 Notes in. 0.390 0.010 0.440 0.010 0.540 0.010 mm 0.10 MAX in. 0.004 mm 0.25 in. 0.010
+.330 .810 -.300 .032 +.013 -.012
PART NO. DATE CODE
5.590 -.250 .220 +.005
-.010
+.130
14 16 20
0- 8 BELOW SEATING PLANE
MODULES WILL BE MARKED WITH A SQUARE AT PIN #1 (TOP MARKING)
INSULATION COATING APPLIED ON TWO SURFACES 1.350 MAX. TYP. .053 .190.060 .0075.005
1.600.200 .063.008
1. Lead COPLANARITY General Tolerances
NOTE #1 .430.050 .017.002 1.270 TYP. .050
mm & in. DIMENSIONS ARE NOT EQUIVALENT
Land Patterns
C B A
LEAD COUNT
0.63 TYP. .025
A 5.34 0.21 5.34 0.21 5.34 0.21
B 7.37 0.29 7.37 0.29 7.37 0.29
C 9.40 0.37 9.40 0.37 9.40 0.37
D 7.60 0.30 8.90 0.35 11.40 0.45
14P 16P
D
mm in. mm in. mm in.
1.27 .050 TYP. 2.03 .080 TYP.
20P
Page 2 of 5
January 2008
CTS Electronic Components
Leaded Surface Mount Series 768
www.ctscorp.com
Standard Resistor Values & EIA Code
Ohms 0 10 12 15 18 22 27 33 39 47 51 56 Code 000X 100 120 150 180 220 270 330 390 470 510 560 Ohms 68 75 82 100 110 120 150 180 220 270 330 390 Code 680 750 820 101 111 121 151 181 221 271 331 391 Ohms 470 510 560 680 820 1K 1.2K 1.5K 1.8K 2.0K 2.2K 2.7K Code 471 511 561 681 821 102 122 152 182 202 222 272 Ohms 3.3K 3.9K 4.7K 5.1K 5.6K 6.8K 8.2K 10K 12K 15K 18K 22K Code 332 392 472 512 562 682 822 103 123 153 183 223 Ohms 27K 33K 39K 47K 51K 56K 68K 82K 100K 120K 150K 180K Code 273 333 393 473 513 563 683 823 104 124 154 184 Ohms 220K 270K 330K 390K 470K 510K 560K 680K 820K 1M Code 224 274 334 394 474 514 564 684 824 105
Dual Terminator Resistor Values
The Series 768 part number includes the EIA Code value of the Thevenin equivalent resistances of R1 and R2. The Thevenin equivalent resistance is calculated in the following way: The suffix letter relates only to the sequence of variations that equal the same equivalent resistance. Reference Thevenin Equivalent Resistance Chart. .Req=R1R2/(R1 + R2)
Example: 768205131C R1=180 Ohms R2=470 Ohms Req=130 Ohms
Pin N/2 is common to R2 and Pin N is common to R1 on CTS Series 768. Thevenin Equivalent Resistance Chart
R1 Ohms
25 30 30 33 36 43 68 75 80 81 81 100 100 100 106 50 50 620 4.7K 620 620 189 620 220 130 2.2K 200 430 150 169
R2
Thevenin Equivalent
17 ohm 19 ohm 29 ohm 33 ohm 34 ohm 40 ohm 50 ohm 67 ohm 59 ohm 50 ohm 78 ohm 67 ohm 81 ohm 60 ohm 65 ohm
CTS Code
150A 190A 290A 330A 340A 400A 500B 670A 590A 500A 780A 670B 810A 600A 650A
R1 Ohms
110 118 120 120 120 150 160 160 160 162 180 180 180 180 180
R2
220 178 200 180 120 150 260 240 270 260 300 470 390 270 220
Thevenin Equivalent
73 ohm 71 ohm 75 ohm 72 ohm 60 ohm 75 ohm 99 ohm 96 ohm 100 ohm 100 ohm 113 ohm 130 ohm 123 ohm 108 ohm 99 ohm
CTS Code
730A 710A 750B 720A 600B 750A 990A 960A 101D 101B 111B 131C 121A 111A 101A (Cont.)
Page 3 of 5
January 2008
CTS Electronic Components
Leaded Surface Mount Series 768
www.ctscorp.com
(Cont.) Thevenin Equivalent Resistance Chart
R1 Ohms
200 220 220 220 240 240 250 270 270 271 330 330 330 330 330 360 360 390 470 470 470 500 560 1. All tolerances +/-2%. 1.5K 330 270 220 170 620 250 470 180 131 470 680 390 220 330 720 600 620 1K 680 940 500 910
R2
Thevenin Equivalent
176 ohm 132 ohm 121 ohm 110 ohm 100 ohm 173 ohm 125 ohm 171 ohm 108 ohm 88 ohm 194 ohm 222 ohm 179 ohm 132 ohm 165 ohm 240 ohm 225 ohm 239 ohm 320 ohm 278 ohm 313 ohm 250 ohm 347 ohm
CTS Code
171D 131A 121B 111D 101C 171C 131B 171A 111C 880A 191A 221A 181A 131D 171B 241B 231A 241A 321A 281A 311A 251A 351A
R1 Ohms
560 680 750 750 1K 1K 1.1K 1.2K 1.5K 1.5K 2K 2.2K 2.2K 2.2K 3K 3K 3.3K 3.9K 4.7K 5K 6.8K 10K 50K
R2
1K 1K 750 2.3K 3.3K 2K 2.2K 1.2K 1.5K 3.3K 2K 5.6K 4.4K 3.3K 6.2K 2K 4.7K 3.3K 22K 5K 22K 51K 100K
Thevenin Equivalent
359 ohm 405 ohm 375 ohm 566 ohm 767 ohm 667 ohm 733 ohm 600 ohm 750 ohm 1031 ohm 1000 ohm 1579 ohm 1467 ohm 1320 ohm 2022 ohm 1200 ohm 1939 ohm 1788 ohm 3873 ohm 2500 ohm 5194 ohm 8361 ohm 33,333 ohm
CTS Code
361A 401A 381A 571A 771A 671A 731A 601A 751A 102A 102B 162A 152A 132A 202A 122A 192A 182A 392A 252A 522A 842A 333A
2. Other values available on request.
3. Suffix letter has no significance - assigned in sequential order.
How to Order
768 Part Number Series Number of Pins Schematic
1 3 5 7 Bussed Isolated Dual Terminator Ladder
14
1
103
G
P
TR13 Packaging
SP = Slide Pack TR = Tape & Reel Reel Size - TR13 = 13"
RoHS Compliant Resistor Code
Refer to the EIA Code Schematics 1 & 3: Page 3 5: Pages 3 & 4 Solder dipped 96Sn/04Ag over Ni on Cu lead wire.
Tolerance
Schematic 1&3 J = 5% G = 2% (Std.) F = 1% D = 1/2% Schematic 5 Tolerance is 2% standard. Refer to dual terminator codes on pages 3&4. Not necessary to add "G" after dual terminator code. Schematic 7 F= 1LSB D= 1/2LSB (LSB=Least Significant Bit)
NOTE: No dashes or spaces to appear in part number. Example: 768141103GPTR13
Page 4 of 5
January 2008
CTS Electronic Components
Leaded Surface Mount Series 768
www.ctscorp.com
Packaging
Tape & Reel Tape width Tape pitch Reel diameter #parts/reel
14P 24mm 12mm 13" 2000
16P 24mm 12mm 13" 2000
20P 24mm 12mm 13" 2000 20" 35
Slide Packs Tube length 20" 20" #parts/slide pac 48 43
Environmental Performance Specifications
Max. % Mil. Std. Test Cond. Delta R 202 Method 0.25% 107 B 0.25% 0.5% 106 1.0% 1.0% 1.0% 108 F 0.25% 0.25% 213 I 0.25% 204 D 0.25% 0.25% 0.25% N/A Pass Pass Pass
Test Thermal Cycling Short Time Overload Moisture Resistance Load Humidity High Temp Exposure Load Life Resistance to Solder Heat Mechanical Shock Vibration Terminal Strength Low Temp Storage Low Temp Operation Flammability Non-Fungus Resistance to Solvents Solderability
Test Description 5 cycles, -65C to +125C 2 1/2 x rated voltage, 5 sec (100V Max.) 240 hours, 0.1 rated load, -10C to +65C, 90% RH 1000 hours, 0.1 rated load, 70C, 85-92% RH 240 hours, no load, @ 125C 2000 hours @ 70C rated load 30 seconds @ 218C, dwell 100g, 1 msec., 3 shocks each plane 20g, 10-2000Hz, 4 hours/plane 0.9 Kg. Pull, 30 sec., two 45 bends 24 hours @ -65C, no load 45 min @ -65C, full load 94V-0 per MIL-STD 810C Isopropyl alcohol RMA Flux, 230C, 5 seconds dip, 95% coverage
Page 5 of 5
January 2008
CTS Electronic Components
Leaded Surface Mount Series 768
www.ctscorp.com

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