Chip Current Sensing Precision Resistor (TCS)

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Chip Current Sensing Precision Resistor (TCS)

DeMint's TCS (thin film current sensing chip resistor) makes sense of current.

The trend towards smaller handheld and portable electronics equipment has also increased the need for ultra small current sensing resistor. Devices from the DeMint Electronics' TCS series use a thin film construction that enables them to achieve precision resistance tolerances, low noise and long-term stability.

The DeMint TCS Series precision resistors are nichrome thin film chip resistors with a temperature coefficient of resistance of just ±50PPM/°C and tolerances of ±0.5%.

They offer excellent stability at high frequencies and are suitable for operating high voltages with more options in the smaller form sizes of 0402, 0603, 0402, 0805, 1206, 2010, and 2512.

The full range of values is from 50mΩ to 1Ω. This low ohmic devices are particularly suited to car engine management units to act as current shunt resistors.

The TCS current sense series is fully RoHS compliant and is supplied in tape and reel packaging ready for use with automated assembly processes.
Downloads Complete Specification PDF (416KB) Surface Mount Current Sensing Precision Resistor.
Contact us with your specific needs.

Features :

Thin Film Process.
Resistance Values from 50mΩ to 1Ω.
Very Tight Tolerance from ±1% to ±0.5%.
Extremely Low TCR from ±200 PPM/°C to ±50PPM/°C.
High Purity Alumina Substrate for High Power Dissipation.
RoHS Requirments with Pb-free Terminations.

Applications :

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

Standard Electrical Specifications Thin Film (TCS)
Type	Power Rating at 70°C	Resistance Tolerance	Resistance	TCR	Operating Temp. Range
TCS02 (0402)	1/16W	±0.5%, ±1.0%	500mΩ~1000mΩ	±100PPM/°C ±50PPM/°C	-55 ~ +155°C
TCS03 (0603)	1/10W	±0.5%, ±1.0%	200mΩ~300mΩ 301mΩ~1000mΩ	±100PPM/°C ±50PPM/°C
TCS05 (0805)	1/8W
TCS06 (1206)	1/4W	±1.0%	50mΩ~100mΩ	±200PPM/°C ±100PPM/°C ±50PPM/°C
		±0.5%,±1.0%	101mΩ~300mΩ 301mΩ~1000mΩ
TCS10 (2010)	3/4W	±0.5%,±1.0%	50mΩ~100mΩ 101mΩ~300mΩ 301mΩ~1000mΩ	±200PPM/°C ±100PPM/°C ±50PPM/°C
TCS12 (2512)	1W

High Power Rating Electrical Specifications Thin Film (TCS)
Type	Power Rating at 70°C	Resistance Tolerance	Resistance	TCR	Operating Temp. Range
TCS12 (2512)	3W	±0.5%, ±1.0%	100mΩ~1000mΩ	±100PPM/°C	-55 ~ +155°C

DeMint has the ability to manufacture following options based on customer's requirement.

Power Derating Curve (TCS)

Power Derating Curve (TCS) Series

Recommend Land Pattern (TCS)

Recommend Land Pattern

Type

A (mm)

B (mm)

C (mm)

TCS02

0.50

0.60±0.2

TCS03

0.80

1.00

0.90±0.2

TCS05

1.00

1.35±0.2

TCS06

2.00

1.15

1.70±0.2

TCS10

3.60

1.40

2.50±0.2

TCS12

4.90

1.60

3.10±0.2

Environmental Characteristics (TCS)
Item	Specification	Test Method
TCR (TCR)	As Spec	MIL-STD-202F Method 304 +25/-55/+25/+125/+25°C。
Temperature Coefficient of Resistance	As Spec	MIL-STD-202F Method 304 +25/-55/+25/+125/+25°C
Short Time Overload	±1%	JIS-C-5202-5.5 RCWV*2.5 or Max. overload voltage whichever is lower for 5 seconds
Dielectric Withstand Voltage	by Type	MIL-STD-202F Method 301 Apply Max Overload Voltage for l minute
Insulation Resistance	>1000MΩ	MIL-STD-202F Method 302 Apply 100V_DC for 1 minute
Thermal Shock	±0.5%	MIL-STD-202F Method 107G -55°C~150°C, 100cycles
Load Life (Endurance)	±1%	MIL-STD-202F Method 108A 70±2°C, RCWV for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF”
Humidity (Damp Heat with Load)	±0.5%	MIL-STD-202F Method 103B 40°C, 90~95%RH, RCWV 1.5 hours ON, 0.5 hours OFF, total 1000 hours
Low Temperature Operation	±0.5%	JIS-C-5202-7.1 1hour, -65°C followed by 45minutes of RCWV
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±1 seconds

Rated continuous Working Voltage (RCWV) = √ Power Rating × Resistance Value (Ω) or Max. Operating voltage whichever is lower.Storage Temperature: 15~28°C, Humidity < 80%RH

Reflow soldering (TCS)

Reflow Soldering

Packaging Quantity & Reel Specifications (TCS)

Packaging Reel Specifications

Type

ΦA

ΦB

ΦC

Paper Tape (EA)

Emboss Plastic Tape (EA)

TCS02

178.0±1.0

60.0±1.0

13.5±0.7

9.5±1.0

11.5±1.0

10,000Pcs

TCS03

178.0±1.0

60.0±1.0

13.5±0.7

9.5±1.0

11.5±1.0

5,000Pcs

TCS05

178.0±1.0

60.0±1.0

13.5±0.7

9.5±1.0

11.5±1.0

5,000Pcs

TCS06

178.0±1.0

60.0±1.0

13.5±0.7

9.5±1.0

11.5±1.0

5,000Pcs

TCS10

178.0±1.0

60.0±1.0

13.5±0.7

13.5±1.0

15.5±1.0

4,000Pcs

TCS12

178.0±1.0

60.0±1.0

13.5±0.7

13.5±1.0

15.5±1.0

4,000Pcs

Paper Tape Specifications (TCS)

纸带Type

Peel – off force

Type

ΦD0

TCS02

0.70±0.05

1.16±0.05

8.00±0.10

1.75±0.05

3.50±0.05

4.00±0.10

2.00±0.10

2.00±0.05

1.55±0.05

0.40±0.03

TCS03

1.10±0.05

1.90±0.05

8.00±0.10

1.75±0.05

3.50±0.05

4.00±0.10

2.00±0.05

1.55±0.05

0.60±0.03

TCS05

1.60±0.05

2.37±0.05

8.00±0.10

1.75±0.05

3.50±0.05

4.00±0.10

2.00±0.05

1.55±0.05

0.75±0.05

TCS06

2.00±0.05

3.55±0.05

8.00±0.10

1.75±0.05

3.50±0.05

4.00±0.10

2.00±0.05

1.55±0.05

0.75±0.05

Peel force of top cover tape
The peel speed shall be about 300mm/min5±5%
The peel force of top cover tape shall be between 10 to 100g

Emboss Plastic Tape Specifications (TCS)

Emboss Plastic Tape Specifications (TCS)

Type

ΦD0

TCS10

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

TCS12

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

Construction & Dimensions (Unit: mm) (TCS)
Thin Film Chip Construction	１	Alumina Substrate	④	Edge Electrode	⑦	Resistor Layer
	②	Bottom Electrode	⑤	Barrier Layer	⑧	Overcoat
	③	Top Electrode	⑥	External Electrode	⑨	Marking

Type	L (Unit: mm)	W (Unit: mm)	T (Unit: mm)	D1 (Unit: mm)	D2 (Unit: mm)	Weight(g)/1000pcs
TCS02 (0402)	1.00±0.05	0.50±0.05	0.32±0.10	0.25±0.10	0.20±0.10	0.56
TCS03 (0603)	1.60±0.10	0.80±0.10	0.45±0.10	0.30±0.20	0.30±0.20	3.1
TCS05 (0805)	2.00±0.15	1.25±0.15	0.55±0.10	0.30±0.20	0.40±0.25	5.6
TCS06 (1206)	3.05±0.15	1.55±0.15	0.55±0.10	0.50±0.30	0.40±0.25	12.3
TCS10 (2010)	5.00±0.20	2.45±0.15	0.60±0.15	0.60±0.30	0.50±0.25	26.7
TCS12 (2512)	6.35±0.20	3.15±0.15	0.60±0.10	0.60±0.30	0.55±0.25	49.6

3 Digit Marking (0603) (TCS)
Resistance	1Ω	0.1Ω	0.15Ω	0.01Ω	0.101Ω	0.035Ω
Codes	1R0	R10	R15	R01	101	035

4 Digit Marking (0805~2512) (TCS)
Resistance	1Ω	0.1Ω	0.05Ω	0.015Ω	0.01Ω	0.39Ω
Codes	1R00	R100	R050	R015	R010	R390