Leadless Surface Mount Series 752
Technical
Data
Features
•
•
•
•
•
•
•
•
•
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High Density Packaging
Low profile
Inputs/Outputs Available:
Single Row Terminations (SRT) – 8, 9, 10, 12
Dual Row Terminations (DRT) – 16, 18, 20, 24
Nickel Barrier Solder-Coated Pads
Designed For Visual Inspection of Solder Joints
Designed For Board Cleaning
Tape & Reel Packaging
Application Specific Circuits Are Available
Compatible With Reflow Solder Process
RoHS Compliant Version Available
Resistance Tolerance:
Standard: ±2% or 0.5Ω (whichever is greater)
Special: ±1% or 0.3Ω (whichever is greater)
Resistance Range:
Standard: 10Ω to 1 MegΩ
Temperature Coefficient:
Standard: ±200PPM/°C
Special: ±100PPM/°C
(33Ω to 1 MegΩ)
Maximum Operating Voltage:
25V not to exceed rated power
Operating Temperature Range:
-55°C to + 125°C
Dielectric Strength:
1
00 VAC
Power Rating (Total Network Power):
Number of inputs/outputs (watts)
SRT
DRT
@25°C
@70°C
8
1.2
0.8
9
1.3
0.85
10
1.4
0.9
12
1.7
1.1
16
1.4
0.9
18
1.5
0.95
20
1.6
1
24
2
1.3
Maximum Resistor Power:
(Not to Exceed Total Network Power)
Bussed & Dual
Terminator Schematic
0.12w
0.08w
Isolated
Schematic
0.24w
0.16w
November 2006
@25°C
@70°C
1 of 6
CTS Electronic Components
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Input/Outputs "A" Dim.
SRT
mm
in.
8 11.81 ±0.12 0.465 ±0.005
9 13.08 ±0.12 0.515 ±0.005
10 14.35 ±0.12 0.565 ±0.005
12 16.89 ±0.12 0.665 ±0.005
0.075 +/-0.05
0.003 +/-0.002
Input/Outputs "A" Dim.
DRT
mm
in.
16 11.81 ±0.12 0.465 ±0.005
18 13.08 ±0.12 0.515 ±0.005
20 14.35 ±0.12 0.565 ±0.005
24 16.89 ±0.12 0.665 ±0.005
Page 2 of 6
November 2006
CTS Electronic Components
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Types of Circuits
Bussed SRT Schematic 1
Bussed DRT Schematic 1
Isolated SRT Schematic 3
(Not Available in 9 Pad)
Isolated DRT Schematic 3
(Not Available in 18 Pad)
Dual Terminator SRT Schematic 5
(Not Available in DRT)
Dual Terminator Overview
Standard CTS Dual Terminator products contain (2N-2) resistors of two different values with each resistor
value connected to a common buss. The 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 chart.
R
eq
=R
1
R
2
/(R
1
+ R
2
)
Examples:
752095131A
752095191A
752095131C
R1=220 Ohms
R1=330 Ohms
R1=180 Ohms
R2=330 Ohms
R2=470 Ohms
R2=470 Ohms
Req=132 Ohms
Req=194 Ohms
Req=130 Ohms
Pin #1 is common to R2 and Pin N is common to R.
Page 3 of 6
November 2006
CTS Electronic Components
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Dual Terminator Resistor Values
R1
Ohms
25
30
30
33
36
43
68
75
80
81
81
100
100
100
106
110
118
120
120
120
150
160
160
160
162
180
180
180
180
180
200
220
220
220
240
240
250
270
50
50
620
4.7K
620
620
189
620
220
130
2.2K
200
430
150
169
220
178
200
180
120
150
260
240
270
260
300
470
390
270
220
1.5K
330
270
220
170
620
250
470
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
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
176 ohm
132 ohm
121 ohm
110 ohm
100 ohm
173 ohm
125 ohm
171 ohm
CTS
Code
150A
190A
290A
330A
340A
400A
500B
670A
590A
500A
780A
670B
810A
600A
650A
730A
710A
750B
720A
600B
750A
990A
960A
101D
101B
111B
131C
121A
111A
101A
171D
131A
121B
111D
101C
171C
131B
171A
R1
Ohms
270
271
330
330
330
330
330
360
360
390
470
470
470
500
560
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
180
131
470
680
390
220
330
720
600
620
1K
680
940
500
910
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
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
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
111C
880A
191A
221A
181A
131D
171B
241B
231A
241A
321A
281A
311A
251A
351A
361A
401A
381A
571A
771A
671A
731A
601A
751A
102A
102B
162A
152A
132A
202A
122A
192A
182A
392A
252A
522A
842A
333A
1.
All tolerances +/-2%.
2. Other values available on request.
3. Suffix letter has no significance - assigned in sequential order.
Page 4 of 6
November 2006
CTS Electronic Components
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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
2.2K
2.7K
3.3K
Code
471
511
561
681
821
102
122
152
182
222
272
332
Ohms
3.9K
4.7K
5.1K
5.6K
6.8K
8.2K
10K
12K
15K
18K
22K
27K
Code
392
472
512
562
682
822
103
123
153
183
223
273
Ohms
33K
39K
47K
51K
56K
68K
82K
100K
120K
150K
180K
220K
Code
333
393
473
513
563
683
823
104
124
154
184
224
Ohms
270K
330K
390K
470K
510K
560K
680K
820K
1M
Code
274
334
394
474
514
564
684
824
105
How to Order
752
Part Number Series
Input/Outputs
SRT
08
09
10
12
DRT
16
18
20
24
Schematic
1
3
5
Bussed
Isolated
Dual Terminator
09
1
103
G
P
TR13
Packaging
“Blank” = Bulk Pack
(250 pcs.)
“TR7” = 7” Reel
“TR13” = 13” Reel
Resistor Code
Tolerance
RoHS Compliant
Insert “P”; otherwise
leave blank. Plated
“matte” Sn over Ni on
Ag thick film.
Refer to the EIA Code
Schematics
1 & 3: Page 5
5: Page 4
Schematic
1&3
J = ±5%
G = ±2% (Standard)
F = ±1%
D = ±1/2%
Schematic
5
Tolerance is 2%
standard. It is not
necessary to add the
tolerance letter.
NOTE: No dashes or spaces to appear in part number.
Example: 752091103GPTR13
Packaging
Tape & Reel
Reel Diameter
7"
13"
Tape Width
24mm
Tape Pitch
4mm
# of Parts/Reel
1000 5000
Page 5 of 6
November 2006
CTS Electronic Components
www.ctscorp.com
DIY/Open Source Hardware
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