Accurate current detection alloy resistor JIERR RE2512F3R040 with small electrode design and low TCR

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Product Description

Alloy Resistor - Patch Resistor

High-power alloy current sense resistors designed for accurate current detection. Featuring SMD surface mount technology, high power handling up to 3W, and ultra-low resistance values (down to 0.0R). Ideal for applications requiring precise current monitoring in automotive electronics, power supplies, and consumer devices.

Product Attributes

Product Type: Alloy Resistor, Patch Resistor
Material: MnCu, CuNi, Kama
Certifications: RoHS, REACH, AEC-Q200

Technical Specifications

Size	Type	Rated Power (W)	Resistance Tolerance	Resistance Range (m)	Material	TCR (ppm/)	Operating Temperature Range	Insulation Resistance
2512 (Large Electrode)	2W/3W		F:1%, G:2%, J:5%	R0005RR004	MnCu	350	-55~+170	100M
2512 (Small Electrode)	3W/4W	R001RR020	F:1%, G:2%, J:5%	R001RR020	MnCu	50	-55~+170
2512 (Small Electrode)	2W/3W	R001RR220	F:1%, G:2%, J:5%	R001RR220	MnCu	50	-55~+170
2512 (Small Electrode)	2W	R220RR500	F:1%, G:2%, J:5%	R220RR500	MnCu	50	-55~+170
2512 (Large Electrode)	2W/3W		F:1%, G:2%, J:5%	0.5mR	MnCu	350	-55~+170	100M
2512 (Small Electrode)	3W/4W	R001RR020	F:1%, G:2%, J:5%	1mR1.5m	MnCu	350	-55~+170	100M
2512 (Small Electrode)	2W/3W	R001RR220	F:1%, G:2%, J:5%	2mR20m	MnCu	50	-55~+170	100M
2512 (Small Electrode)	2W/3W	R220RR500	F:1%, G:2%, J:5%	20mR150m	MnCu	50	-55~+170	100M
2512 (Small Electrode)	2W	R220RR500	F:1%, G:2%, J:5%	150mR220m	CuNi	50	-55~+170	100M
2512 (Small Electrode)	2W	R220RR500	F:1%, G:2%, J:5%	220mR400m	CuNi	50	-55~+170	100M
2512 (Small Electrode)	2W	R220RR500	F:1%, G:2%, J:5%	400mR500m	Kama	50	-55~+170	100M

Product Dimensions

Size	Type	Length L(mm)	Width W(mm)	Thickness T(mm)	Electrode Width E(mm)
2512	Large Electrode	6.40.2	3.20.2	0.80.08	2.20.2
2512	Small Electrode	6.40.2	3.20.2	0.80.08	1.00.2

Part Numbering Example

RE2512F3R010(L) = RE Series, 2512 Size, 3W, 1% Tolerance, 10m Resistance

RE: Series
2512: Size
F: Tolerance (F:1%, G:2%, J:5%)
3: Rated Power (A=1/2W, B=3/4W, 1=1W, 2=2W, 3=3W)
R010: Resistance Value (R50m=0.5m, R002=2m, R010=10m, 1R5m=1.5m)
L: Optional suffix

Marking Code Examples

0.5m: R50m
1m: R001
1.5m: 1R5m
2m: R002
5m: R005
10m: R010
15m: R015
20m: R020
25m: R025
30m: R030
35m: R035
40m: R040
50m: R050
57m: R057
60m: R060
68m: R068
75m: R075
80m: R080
90m: R090
100m: R100
120m: R120
130m: R130
140m: R140
150m: R150
160m: R160
180m: R180
200m: R200
220m: R220
250m: R250
270m: R270
300m: R300
330m: R330
360m: R360
400m: R400
500m: R500

Applications

Automotive electronics
Current sensor
Power supplies
Battery chargers
Mobile phones
Computers
Consumer electronics

Performance Reliability Test Methods

Item	Test Method	Conditions	Specification
Short Time Overload	IEC60115-1 4.13	Applied 5.0 times of rated power for 5 seconds.	R% 1%
Temperature Coefficient	IEC60115-1 4.8	Refer to Spec.	Refer to Spec.
Temperature Cycling	JESD22 Method JA-104	1000 Cycles (-55 to +125)	R% 1%
High Temperature Exposure	MIL-STD-202 Method 108	1000 hrs. @ T=125	R% 1%
Low Temperature Operation	IEC60115-1 4.23.4	45 min. @ T=-55	R% 1%
Biased Humidity	MIL-STD-202 METHOD 103	1000 hours 85/85%RH (10% operating power)	R% 1%
Solderability	J-STD-002B test B	245 5 for 2~3 sec.	Min 95% coverage
Operational Life	MIL-STD-202 METHOD 108	702, rated current (1.5H on, 0.5H off) for 1000 hours	R% 1%
Resistance to Vibration	MIL-STD-202 METHOD 204	5g's for 20min, 12 cycles, 10-2000Hz	R% 1%
Resistance to Solder Heat	IEC60115-1 4.18	260 5 for 101 sec.	R% 1%, No visible damage
Terminal Bending	AEC-Q200-005	Min 2mm deflection, 60 sec.	R% 1%
Mechanical Shock	MIL-STD-202 METHOD 213	100g's, 6ms, half sine shock pulse	R% 1%
Terminal Strength	AEC-Q200-006	17.7N (1.8Kg) for 601 seconds	R% 1%
Thermal Shock	MIL-STD-202 METHOD 107	-55/+125, 300 cycles, 15 min dwell time	R% 1%
Flammability	UL-94	V-0 or V-1	Acceptable
ESD Test	AEC-Q200-002	2KV, 2 times/1s	R% 1%