752091101JB Просмотр технического описания (PDF) - CTS Corporation
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752091101JB Datasheet PDF : 6 Pages
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Dual Terminator
CTS Dual Terminator Schematics
Standard CTS Dual Terminator products contain (2N-2) resistors
of two different values with each resistor value connected to a
common buss. CTS assigns the resistance value portion of the
standard part numbers of the dual terminator network in two
different methods.
N
N/2 +1
R2 R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 R1
R2 R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 R1
1
N/2
The Series 770 part number includes the actual values of the
resistors in the dual terminator. For example:
770105180/470 R1=180Ω R2=470Ω
The Series 752, 766, 767 and 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 which equal the same equivalent resistance.
Reference chart.
Req = R1R2
(R1 + R2)
Examples:
766165131A R1=220Ω R2=330Ω
Req=132Ω
767145191A R1=330Ω R2=470Ω
Req=194Ω
768205131C R1=180Ω R2=470Ω
Req=130Ω
Pin N/2 is common to R2 and Pin #N is common to R1 on
CTS Series 766, 767 and 768 .
Pin #1 is common to R2 and Pin N is common to R1 on all
CTS Series 752, 753 and 770 dual terminator schematics.
1. All tolerances ±2%.
2. Other values available on request.
3. Suffix letter has no significance–assigned in sequential order.
Dual Terminator Resistor Values & Codes
R1 R2 Thevenin CTS
Ohms Equivalent Code
25 50
30 50
30 620
33 4.7K
36 620
43 620
68 189
75 620
80 220
81 130
81 2.2K
100 200
100 430
100 150
106 169
110 220
118 178
120 200
120 180
120 120
150 150
160 260
160 240
160 270
162 260
180 300
180 470
180 390
180 270
180 220
200 1.5K
220 330
220 270
220 220
240 170
240 620
250 250
270 470
15 ohm 150A
19 ohm 190A
29 ohm 290A
33 ohm 330A
34 ohm 340A
40 ohm 400A
50 ohm 500B
67 ohm 670A
59 ohm 590A
50 ohm 500A
78 ohm 780A
67 ohm 670B
81 ohm 810A
60 ohm 600A
65 ohm 650A
73 ohm 730A
71 ohm 710A
75 ohm 750B
72 ohm 720A
60 ohm 600B
75 ohm 750A
99 ohm 990A
96 ohm 960A
100 ohm 101D
100 ohm 101B
113 ohm 111B
130 ohm 131C
123 ohm 121A
108 ohm 111A
99 ohm 101A
176 ohm 171D
132 ohm 131A
121 ohm 121B
110 ohm 111D
100 ohm 101C
173 ohm 171C
125 ohm 131B
171 ohm 171A
R1 R2 Thevenin CTS
Ohms Equivalent Code
270 180
271 131
330 470
330 680
330 390
330 220
330 330
360 720
360 600
390 620
470 1K
470 680
470 940
500 500
560 910
560 1K
680 1K
750 750
750 2.3K
1K 3.3K
1K 2K
1.1K 2.2K
1.2K 1.2K
1.5K 1.5K
1.5K 3.3K
2K 2K
2.2K 5.6K
2.2K 4.4K
2.2K 3.3K
3K 6.2K
3K 2K
3.3K 4.7K
3.9K 3.3K
4.7K 22K
5K 5K
6.8K 22K
10K 51K
50K 100K
108 ohm 111C
88 ohm 880A
194 ohm 191A
222 ohm 221A
179 ohm 181A
132 ohm 131D
165 ohm 171B
240 ohm 241B
225 ohm 231A
239 ohm 241A
320 ohm 321A
278 ohm 281A
313 ohm 311A
250 ohm 251A
347 ohm 351A
359 ohm 361A
405 ohm 401A
375 ohm 381A
566 ohm 571A
767 ohm 771A
667 ohm 671A
733 ohm 731A
600 ohm 601A
750 ohm 751A
1031 ohm 102A
1000 ohm 102B
1579 ohm 162A
1467 ohm 152A
1320 ohm 132A
2022 ohm 202A
1200 ohm 122A
1939 ohm 192A
1788 ohm 182A
3873 ohm 392A
2500 ohm 252A
5194 ohm 522A
8361 ohm 842A
33,333 ohm 333A
Power Derating Curve for Resistor Networks
160%
140%
120%
100%
80%
60%
40%
20%
0%
0
Part Marking
10 20 30 40 50 60 70 80 90 100 110 120
Degrees Centigrade
The following chart indicates the characters marked on parts with standard marking.
Part
742, 743, 744
745, 746
752
12 & 24 pad
10 & 20 pad
9 & 18 pad
8 & 16 pad
753
12 & 24 pad
10 & 20 pad
9 & 18 pad
8 & 16 pad
766, 767, 768
770
Series
No. of
Pins/Pads
Schematic
R
Resistor Value
or Code
Tolerance
Date Code
YRWK
3-digit
3-digit
3-digit
3-digit
2-digit
2-digit
4-digit
4-digit
CTS Resistor/Electrocomponents s 406 Parr Road s Berne, IN s 46711 s fax: (219) 589-3243 s www.ctscorp.com s DTCB
32
CTS Resistor/Electrocomponents s 406 Parr Road s Berne, IN s 46711 s fax: (219) 589-3243 s www.ctscorp.com s PDC/PMC
33
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