Customizable Ultra-Low TCR Four-Terminal Shunt Resistors

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Customizable Ultra-Low TCR Four-Terminal Shunt Resistors

Feature	Details
Tolerance	±5%, ±2%, ±1%, and ±0.5%
Operating Temperature Range	-65°C to 170°C
Structure	Electron beam welding
Pulse Application	Ideal for pulse application
Inductance	<3 nH
Temperature Coefficient (TCR)	Down to ±20 ppm/°C
Compliance	RoHS Compliant, AEC-Q200 qualified
Customization	Special specifications can be customized
Applications	Battery component volume system, Instrument power supply and power test system, Battery internal resistance detection equipment, Power systems requiring precision sampling

Size	W (mm)	A (mm)	C (mm)	X (mm)	T (mm)	H (mm)	Tolerance (mΩ)
In	6.9±0.3	2.5±0.2	6.6±0.3	4.8	0.9±0.1	3±0.5	0.2-5
Out	6.9±0.3	2.5±0.2	6.6±0.3	4.8	0.9±0.1	3±0.5	0.2-5

Solder Pad Type	a	c	e	f	g
In	2.9	2	0.9	0.8	5.6
Out	4	5.5	0.9	0.8	5.6

Size	Element Material	Resistance (mΩ)	D±0.1 (mm)	TCR (ppm/°C)	P70°C (M)
In	S	0.2	0.40	12
		0.3	0.40	11
		0.5	0.67	9
	M	0.6	0.57	±40	8
		0.75	0.45	7
		0.9	0.37	7
		1	0.33	7
		1	0.40	7
		2	0.51	6
	K	3	0.34	±20	5
		4	0.40	4
		5	0.40	3

Size	Element Material	Resistance (mΩ)	D±0.1 (mm)	TCR (ppm/°C)	P70°C (W)
Out	S	0.2	0.40	12
		0.3	0.40	11
		0.5	0.67	9
		0.6	0.57	±40	8
	M	0.75	0.45	7
		0.9	0.37	7
		1	0.33	7
		1	0.40	7
		2	0.47	6
	K	3	0.34	±20	5
		4	0.40	4
		5	0.40	3

Endurance Test	Additional Requirements	Reference	Limits
Temperature Cycling	1000 Cycles (-55°C to +125°C)	JESD22 Method JA-104	±0.5%
High Temperature Exposure	100 hrs @ T=170°C, Unpowered	MIL-STD-202 Method 108	±0.5%
Biased Humidity	1000 hrs @ 85°C/85% RH, 10% of operating power	MIL-STD-202 Method 103	±0.5%
Operational Life	Condition D Steady State TA=125°C at rated power	MIL-STD-202 Method 108	±0.5%
Solderability	245°C ±5°C, 5s ±0.5s, 95% Coverage Minimum	J-STD-002C
Resistance to Soldering Heat	260°C ±5°C, 10s ±1s	MIL-STD-202 Method 210	±0.5%
Short Time Overload	5x Rated power for 5s	MIL-STD-202 Method 301	±0.5%

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In addition to Customizable Ultra-Low TCR Four-Terminal Shunt Resistors, we also focus on the following resistors:

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