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Current Sensing Resistor Walter Elec MSH2512N2W0R002F Metal Strap Design High Power 2W Alloy Material

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Current Sensing Resistor Walter Elec MSH2512N2W0R002F Metal Strap Design High Power 2W Alloy Material

Power(Watts) : 2W

Resistance : 2mΩ

Type : Current Sense Resistor

Tolerance : ±1%

Description : 2mΩ ±1% 2W

Mfr. Part # : MSH2512N2W0R002F

Model Number : MSH2512N2W0R002F

Package : 2512

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MSH2512 Series Current Sensor Resistor

The MSH2512 series are pure metal, two-terminal, high-power current sensing resistors featuring a metal strap design. They are designed for applications requiring precise current measurement.

Product Attributes

Brand: MSH
Material: 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	TCR (ppm)	Dimensions (mm) (W x L x T x A)
MSH2512N2W0-series	0.25x0.12	Alloy	2W	R001~R010 (1m to 10m)	1%(F), 2%(G), 3%(H), 5%(J)	100 (1-3m), 75 (4-10m)	3.200.20 x 6.400.20 x 1.200.2 x 0.800.20
MSH2512N3W0-series	0.25x0.12	Alloy	3W	R001~R010 (1m to 10m)	1%(F), 2%(G), 3%(H), 5%(J)	100 (1-3m), 75 (4-10m)	3.200.20 x 6.400.20 x 1.200.2 x 0.800.20

Electrical Characteristics

Parameter	Conditions	Requirements	Test Method
Short Time Over Load	2W: R001: P=3Pr; T=252C, t=5sec. 2W: 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

Environmental Characteristics

Operating Temperature: -55170

Storage Conditions: 2 years under airtight at +1040, RH 75%. Max. 30 days without dew at +1060, RH=95%.

Solder Pad Size and Welding Conditions

Part Number Series	P (mm)	W (mm)	D (mm)	t (m)	Loading (W)
MSH2512N2W0-series	3.18	3.57	2.11	105	2.0W
MSH2512N3W0-series	3.18	3.57	2.11	105	3.0W

Recommended Customer Soldering Parameters:

Wave Solder:

Preheating: 100~130, max.100 sec.
Soldering: 250~265 max. 10 sec.
Maximum temperature: 2605, max. 10sec.

Solder Reflow:

Preheating: 145 15, max.120 sec.
Soldering: min. 220, max. 60 sec.
Maximum temperature: 2605, max. 10sec.

Rework (hot air equipment): 350, 3~5seconds

Lot Acceptance Test Requirements

Visual: No outstanding stains, dirt, printing errors, or damage.
Dimensions: All dimensions within specified limits.
Resistance (Ro): Within specified limits at 25 (4-wire measurement).
TCR: Within specified limits.
Insulation Resistance (Ri): 100M (between protective layer and resistive body).

Packaging Information

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

Peeling Strength of Seal Tape: 0.1 1.0N (10 - 100gf)

2409271832_Walter-Elec-MSH2512N2W0R002F_C475776.pdf

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