CURRENT SENSE

Chip Precision Power Current Sense Resistor

CS

Tokenchina providing design engineers with a broader range of current sensing devices with compact chip sizes to comply with reduced printed circuit board space, the CS Series resistors are offered in a full range of package sizes, including 0201, 0402, 0603, 0805, 1206, 2010, 2512, 1225, 3720, 7520.


These economical chip resistors feature a power rated range from 1/16W to 3W, making them ideal for all 3C applications.


Tokenchina current detection resistors are available with Pb-free terminations to comply with RoHS requirements and equates IRC, KAO, Ohmite, Panasonic, Vishay current sensing devices with more competitive price.


Features Shunt Resistors, Open Air

  • Resistance Values from 1mΩ to 1 Ω, Low TCR of ±100 PPM/°C
  • Products with Pb-free Terminations Meet RoHS Requirments
  • High Purity Alumina Substrate for High Power Dissipation
  • Long size Terminations with Higher Power Rating
  • 3W Rating in 1W size, 1225 Package

Applications

  • Switching Power Supply, Disk Driver
  • Over Current Protection in Audio Application
  • DC-DC Converter, Battery Pack, Charger, Adaptor
  • Power Management Applications, Automotive Engine Control
  • Portable Devices (PDA, Cell phone), Voltage Regulation Module (VRM)

Dimensions (Unit: mm) - Power Current Sensing CS

Type L:length W:Width T:Thickness D1 D2
CS01 (0201) 0.58±0.05 0.29±0.05 0.23±0.05 0.12±0.05 0.15±0.05
CS02 (0402) 1.00±0.05 0.50±0.05 0.32±0.10 0.25±0.10 0.20±0.10
CS03 (0603) 1.60±0.10 0.80±0.10 0.45±0.10 0.30±0.20 0.30±0.20
CS05 (0805) 2.00±0.15 1.25±0.15 0.55±0.10 0.30±0.20 0.40±0.25
CS06 (1206) 3.05±0.15 1.55±0.15 0.55±0.10 0.50±0.30 0.40±0.25
CS13 (1210) 3.00±0.15 2.50±0.15 0.55±0.10 0.50±0.30 0.50±0.25
CS10 (2010) 5.00±0.20 2.45±0.15 0.60±0.15 0.60±0.30 0.50±0.25
CS12 (2512) 6.35±0.20 3.15±0.15 0.60±0.10 0.60±0.30 0.55±0.25
CS12 (2512)(2W)(10~99mΩ) 6.35±0.20 3.15±0.15 0.74±0.10 0.60±0.30 0.55±0.25
CS12 (2512)(2W)(100~1000mΩ) 6.35±0.20 3.15±0.15 0.74±0.10 0.60±0.30 2.70±0.10
CS25 (1225) 3.10±0.15 6.30±0.15 0.90±0.15 0.60±0.30 0.55±0.25
CS37 (3720) 2.00±0.20 3.75±0.20 0.60±0.10 0.40±0.20 0.40±0.20
CS75 (7520) 2.00±0.20 7.50±0.30 0.60±0.10 0.40±0.20 0.40±0.20

Specifications - Power Current Sensing CS

Type Power Rating
at 70°C		 Operating
Temp. Range		 Resistance
Tolerance		 Resistance
Range		 TCR
CS01 (0201) 1/20W -55 ~ +155°C ±1%
±2%
±5%		 100mΩ~149mΩ
150mΩ~500mΩ
501mΩ~1000mΩ		 ±1000PPM/°C
±600PPM/°C
±300PPM/°C
CS02 (0402) 1/16W 50mΩ~100mΩ
101mΩ~500mΩ
501mΩ~1000mΩ		 ±400PPM/°C
±300PPM/°C
±200PPM/°C
CS03 (0603) 1/10W 20mΩ~50mΩ
51mΩ~100mΩ
101mΩ~500mΩ
501mΩ~1000mΩ		 ±600PPM/°C
±400PPM/°C
±300PPM/°C
±200PPM/°C
CS05 (0805) 1/8W 20mΩ~50mΩ
51mΩ~100mΩ
101mΩ~500mΩ
501mΩ~1000mΩ		 ±600PPM/°C
±400PPM/°C
±300PPM/°C
±200PPM/°C
CS06 (1206) 1/4W 10mΩ~20mΩ
21mΩ~50mΩ
51mΩ~500mΩ
501mΩ~1000mΩ		 ±600PPM/°C
±400PPM/°C
±300PPM/°C
±200PPM/°C
CS13 (1210) 1/2W
CS10 (2010) 3/4W
CS12 (2512) 1W
CS25 (1225) 3W 3mΩ~5mΩ
6mΩ~20mΩ
21mΩ~30mΩ
31mΩ~250mΩ
251mΩ~8000mΩ		 ±300PPM/°C
±200PPM/°C
±150PPM/°C
±100PPM/°C
±200PPM/°C
CS37 (3720) 1W 10mΩ~19mΩ
20mΩ~500mΩ		 ±300PPM/°C
±150PPM/°C
CS75 (7520) 2W ±2%,±5% 1mΩ~4mΩ ±300PPM/°C
±1%,±2%,±5% 5mΩ~10mΩ
11mΩ~350mΩ		 ±200PPM/°C
±150PPM/°C
  • Customer's specification, custom design, or ODM are welcomed on request.

High Power Rating Electrical Specifications - CS

Type Power Rating at 70°C Operating Temp.
Range		 Resistance Tolerance Resistance Range TCR
CS03*TR*W** 1/8W -55 ~ +155°C ±1%
±2%
±5%		 51mΩ~100mΩ
101mΩ~500mΩ
501mΩ~1000mΩ		 ±400PPM/°C
±300PPM/°C
±200PPM/°C
CS05*TR*V** 1/4W
CS06*TR*U** 1/2W 10mΩ~20mΩ
21mΩ~50mΩ
51mΩ~500mΩ
501mΩ~1000mΩ		 ±600PPM/°C
±400PPM/°C
±300PPM/°C
±200PPM/°C
CS13*TR*Q** 3/4W
CS10*TR*T** 1W
CS12*TR*A** 1.5W
CS12*TR*S** 2W

Low TCR Electrical at ±100 PPM/°C Specifications - CS

Type Power Rating at 70°C Operating Temp.
Range		 Resistance Tolerance Resistance Range TCR
CS06*TRE** 1/4W -55 ~ +155°C ±1%
±2%
±5%		 100mΩ~1000mΩ ±100PPM/°C
CS13*TRE** 1/2W 100mΩ~1000mΩ ±100PPM/°C
CS10*TRE** 3/4W 100mΩ~1000mΩ ±100PPM/°C
CS12*TRE** 1W 20mΩ~1000mΩ ±100PPM/°C
CS37*TRE** 1W 100mΩ~500mΩ ±100PPM/°C
CS75*TRE** 2W 50mΩ~350mΩ ±100PPM/°C

Paper Tape Packaging Specifications (Unit: mm)

Current Sense Resistors
Type A B W E F P0 P1 P2 ΦD0 T
CS01 0.40±0.05 0.70±0.05 8.00±0.10 1.75±0.05 3.5±0.05 4.00±0.10 2.00±0.05 2.00±0.05 1.55±0.05 0.42±0.02
CS02 0.70±0.05 1.16±0.05 8.00±0.10 1.75±0.05 3.5±0.05 4.00±0.10 2.00±0.05 2.00±0.05 1.55±0.05 0.40±0.03
CS03 1.10±0.05 1.90±0.05 8.00±0.10 1.75±0.05 3.5±0.05 4.00±0.10 4.00±0.10 2.00±0.05 1.55±0.05 0.60±0.03
CS05 1.60±0.05 2.37±0.05 8.00±0.10 1.75±0.05 3.5±0.05 4.00±0.10 4.00±0.10 2.00±0.05 1.55±0.05 0.75±0.05
CS06 2.00±0.05 3.55±0.05 8.00±0.10 1.75±0.05 3.5±0.05 4.00±0.10 4.00±0.10 2.00±0.05 1.55±0.05 0.75±0.05
CS13 2.75±0.05 3.40±0.05 8.00±0.10 1.75±0.05 3.5±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.55±0.05 0.75±0.05

Emboss Plastic Tape Packaging Specifications (Unit: mm)

Type A B W E F P0 P1 P2 ΦD0 T
CS10 2.85±0.10 5.45±0.10 12.0±0.10 1.75±0.10 5.5±0.05 4.00±0.05 4.00±0.10 2.00±0.05 1.50+0.10 1.00±0.20
CS12 3.40±0.10 6.65±0.10 12.0±0.10 1.75±0.10 5.5±0.05 4.00±0.05 4.00±0.10 2.00±0.05 1.50+0.10 1.00±0.20
CS12(2W) 3.38±0.10 6.68±0.10 12.0±0.30 1.75±0.10 5.5±0.10 4.00±0.10 4.00±0.10 2.00±0.05 1.55+0.05 1.45±0.20
CS25 3.38±0.10 6.68±0.10 12.0±0.30 1.75±0.10 5.5±0.10 4.00±0.10 4.00±0.10 2.00±0.05 1.55+0.05 1.45±0.20
CS37 2.50±0.20 4.45±0.20 12.0±0.30 1.75±0.01 5.5±0.05 4.00±0.05 4.00±0.10 2.00±0.05 1.50+0.10 1.50±0.10
CS75 2.50±0.20 8.30±0.20 16.0±0.30 1.75±0.01 7.8±0.05 4.00±0.05 4.00±0.10 2.00±0.05 1.50+0.10 1.50±0.10

Marking for 0603

Marking Value
1R0 1.000Ω
R10 0.100Ω
R01 0.010Ω
101 0.101Ω
035 0.035Ω

Recommend Land Pattern (Unit: mm) - Except For CS12 High Power Rating Series

current sense resistor
Type A B C
CS01 0.25 0.30 0.40±0.2
CS02 0.50 0.50 0.60±0.2
CS03 0.80 1.00 0.90±0.2
CS05 1.00 1.00 1.35±0.2
CS06 2.00 1.15 1.70±0.2
CS13 2.00 1.15 2.50±0.2
CS10 3.60 1.40 2.50±0.2
CS12 4.90 1.60 3.10±0.2
CS25 2.00 2.00 6.40±0.2
CS37 1.00 1.80 3.90±0.2
CS75 1.00 1.80 7.60±0.2

Recommend Land Pattern (Unit: mm) - For CS12 High Power Rating Series

Type Resistance Range A B C
CS12 10~99mΩ 4.90 1.60 3.10±0.2
CS12 100~1000mΩ 1.00 3.55 3.10±0.2

Packaging Quantity & Reel Specifications (Unit: mm) - CS

Type ΦA ΦB ΦC W T Paper
Tape(EA)		 Emboss
Plastic Tape(EA)
CS01 178.0±1.0 60.0±1.0 13.5±0.7 9.5±1.0 11.5±1.0 10,000 -
CS02 178.0±1.0 60.0±1.0 13.5±0.7 9.5±1.0 11.5±1.0 10,000 -
CS03 178.0±1.0 60.0±1.0 13.5±0.7 9.5±1.0 11.5±1.0 5,000 -
CS05 178.0±1.0 60.0±1.0 13.5±0.7 9.5±1.0 11.5±1.0 5,000 -
CS06 178.0±1.0 60.0±1.0 13.5±0.7 9.5±1.0 11.5±1.0 5,000 -
CS13 178.0±1.0 60.0±1.0 13.5±0.7 9.5±1.0 11.5±1.0 5,000 -
CS10 178.0±1.0 60.0±1.0 13.5±0.7 13.5±1.0 15.5±1.0 - 4,000
CS12 178.0±1.0 60.0±1.0 13.5±0.7 13.5±1.0 15.5±1.0 - 4,000
CS12(2W) 178.0±1.0 60.0±1.0 13.5±0.7 13.5±1.0 15.5±1.0 - 2,000
CS25 178.0±1.0 60.0±1.0 13.5±0.7 13.5±1.0 15.5±1.0 - 2,000
CS37 178.0±1.0 60.0±1.0 13.5±0.7 13.5±1.0 15.5±1.0 - 2,000
CS75 178.0±1.0 60.0±1.0 13.5±0.7 17.5±1.0 19.5±1.0 - 2,000

Environmental Characteristics - Power Current Sensing CS

current sensing, current detective
Item Specification Test Method
Temperature Coefficient of Resistance (T.C.R) As Spec MIL-STD-202F Method 304
+25/-55/+25/+125/+25°C
Short Time Overload ±0.5% JIS-C-5202-5.5
RCWV*2.5 or Max Overloading Voltage 5 seconds
ΔR±1% for high power rating
Insulation Resistance >1000MΩ MIL-STD-202F Method 302
Apply 100VDC for 1 minute
Endurance ±1% 70±2°C, Max. working voltage for 1000 hrs with 1.5 hrs "ON" and 0.5 hrs "OFF"
Damp Heat with Load ±0.5% 40±2°C,90~95% R.H. Max. working voltage for 1000 hrs with 1.5 hrs "ON" and 0.5 hrs "OFF"
Dry Heat ±0.5% JIS-C-5202-7.2
at +155°C for 1000 hrs
Bending Strength As Spec JIS-C-5202-6.1.4
Bending Amplitude 3mm for 10seconds
Solderability 95%min coverage MIL-STD-202F Method 208H
245°C±5°C, 3 seconds
Resistance to Soldering Heat ±0.5% MIL-STD-202F Method 210E
260±5°C, 10 second
Dielectric Withstand Voltage By Type MIL-STD-202F Method 301
Apply Max Overload Voltage for l minute
Thermal Shock ±0.5% MIL-STD-202F Method 107G
-55°C~150°C, 100cycles
Low Temperature Operation ±0.5% JIS-C-5202-7.1
1hour, -65°C followed by 45minutes of RCWV
  • Humidity: <80%RH; Storage Temperature: 25±3°C

How to Order - Precision Power Current Sense CS

CS 03 J TR G W R220 N
Product Type
Dimensions(L×W)
01 (0201) 0.58×0.29mm
02 (0402) 1.00×0.50mm
03 (0603) 1.60×0.80mm
05 (0805) 2.00×1.25mm
06 (1206) 3.10×1.55mm
13 (1210) 3.00×2.50mm
10 (2010) 5.00×2.50mm
12 (2512) 6.30×3.10mm
25 (1225) 3.10×6.30mm
37 (3720) 3.75×2.00mm
75 (7520) 7.50×2.00mm
Resistance Tolerance
F ±1%
G ±2%
J ±5%
Packaging
TR Taping Reel
P Bulk
TCR
E ±100ppm/°C
K ±150ppm/°C
F ±200ppm/°C
G ±300ppm/°C
H ±400ppm/°C
J ±600ppm/°C
R ±1000ppm/°C
Power Rating
  Standard
S 2W
A 1.5W
T 1W
Q 3/4W
U 1/2W
V 1/4W
W 1/8W
Resistance
R010 0.010Ω
R100 0.100Ω
R220 0.220Ω
1R00 1.000Ω
Marking
  Standard
N No Marking

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CS Series - Chip Precision Power Current Sense Resistor