Precision current measurement resistor Walter Elec MSH2512N2W0R007F metal alloy two terminal sensor

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Product Description

MSH2512 Series Current Sensor Resistor

The MSH2512 series are pure metal, short electrode, two-terminal, high-power current sensing resistors designed for precise current measurement applications. They utilize a metal alloy resistive element with nickel/tin terminals and a flame-retardant epoxy coating meeting UL-94-V0 requirements.

Product Attributes

Brand: MSH
Material: Metal Alloy (Resistive element), Ni/Sn (Terminal electrode), Flame-retardant epoxy (Protective coating)
Color: Black (Protective coating)
Certifications: UL-94-V0 (Protective coating)

Technical Specifications

Part Number Series	Size	Material	Power Rating	Nominal Resistance Value	Resistance Tolerance	Dimensions (L x W x T)	Operating Temperature Range
MSH2512N2W0-series	0.25x0.12	Alloy	2W	R001~R010 (1m to 10m)	F=1%, G=2%, H=3%, J=5%	6.400.20mm x 3.200.20mm x 1.200.2mm	-55170
MSH2512N3W0-series	0.25x0.12	Alloy	3W	R001~R010 (1m to 10m)	F=1%, G=2%, H=3%, J=5%	6.400.20mm x 3.200.20mm x 1.200.2mm	-55170

Electrical Characteristics

Part Number Series	Resistance Value (m)	Power Rating (Watt)	Resistance Tolerance (%)	TCR (ppm)
MSH2512N2W0-series	1~3	2	1%(F)	100
MSH2512N2W0-series	4~10	2	1%(F)	75
MSH2512N3W0-series	1~3	3	1%(F)	100
MSH2512N3W0-series	4~10	3	1%(F)	75

Reliability Test Standard

Parameter	Conditions	Requirements	Test Method
Short Time Over Load	2W: R001:P=3Pr; R002~R010:P=5Pr; T=252C, t=5sec. 3W: P=3Pr; T=252C, t=5sec.	(1.0%+0.5m)	IEC60115-1 4.13
High Temp. Exposure	T=+1702C, t=1000h	(1.0%+0.5m)	IEC60115-1 4.25
Low Temp. Storage	T=-552C, t=1000h	(1.0%+0.5m)	IEC60115-1 4.25
Moisture Load Life	Vtest=Vmax; T=602C; RH=95%; t=90min ON, 30min OFF, 1000h	(2.0%+0.5m)	IEC60115-1 4.25
Thermal Shock	[-55C 30min. R.T. 3min. +150C 30min. R.T. 3min ], 100Cycles	(1.0%+0.5m)	IEC60115-1 4.19
Load Life at 70C	Vtest=Vmax; T=702C; t=90min ON, 30min OFF, 1000h	(2%+0.5m)	IEC60115-1 4.25
Solderability	Dip into solder at T=2455C, t=30.5sec.	The covered area >95%	IEC60115-1 4.17
Resistance to Solder Heat	Through Reflow T=2655C, t=201sec.	(1.0%+0.5m)	IEC60115-1 4.18
Mechanical Shock	a=100G, t=11ms, 5 times shock	(1.0%+0.5m)	IEC60115-1 4.21
Substrate Bending	Span:90mm; Bend Width:2mm; Test board: Glass-Epoxy, Thickness=1.6mm	(1.0%+0.5m)	IEC60115-1 4.33

Storage Conditions

Under airtight conditions at +1040 and 75% relative humidity for 2 years. Without dew at +1060 and 95% relative humidity for a maximum of 30 days.

Packaging Information

Type Number	Quantity (pcs)	Weight (g)	Reel Diameter A5 (mm)	Reel Core N2 (mm)	Tape Width W11 (mm)
MSH2512N2W0-series	1,500	26525	178	60	13
MSH2512N3W0-series	1,500	26525	178	60	13