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Current Sensor Resistor Walter Elec MSTC0402MW332M50F with UL94V0 Flame Retardant Protective Coating

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Current Sensor Resistor Walter Elec MSTC0402MW332M50F with UL94V0 Flame Retardant Protective Coating

Power(Watts) : 330mW

Resistance : 2.5mΩ

Voltage Rating : -

Type : Current Sense Resistor

Tolerance : ±1%

Description : 330mW 2.5mΩ Current Sense Resistor ±1% 0402 Chip Resistor - Surface Mount RoHS

Mfr. Part # : MSTC0402MW332M50F

Model Number : MSTC0402MW332M50F

Package : 0402

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MSTC Current Sensor Resistor

The MSTC series are Metal Strap Current Sensing Resistors designed for precise current measurement. These components offer reliable performance and are suitable for various industrial applications.

Product Attributes

Brand: Walter company
Material: MnCu alloy (Manganese Copper Alloy)
Protective Coating: Flame-retardant epoxy, meets UL-94-V0 requirements (Green)
Marking Coating: Flame-retardant epoxy, meets UL-94-V0 requirements (White)

Technical Specifications

Part Number Series	Size	Nominal Resistance Value	Power Rating (Watt)	Resistance Tolerance (%)	TCR (ppm/)	Dimensions (W x L x T) (mm)	Terminal Electrode
MSTC0402MW33-series	0.08x0.05	R002~R003	0.33	1%(F)	150	0.550.10 x 1.000.10 x 0.300.05	Sn, Ni, Cu
MSTC0402MW33-series	0.08x0.05	R005~R025	0.33	1%(F)	100	0.550.10 x 1.000.10 x 0.300.05	Sn, Ni, Cu
MSTC0402MW25-series	0.08x0.05	R050	0.25	1%(F)	100	0.550.10 x 1.000.10 x 0.300.05	Sn, Ni, Cu
MSTC0603MW33-series	0.06x0.03	R002	0.33	1%(F)	150	0.800.25 x 1.600.25 x 0.400.25	Sn, Ni, Cu
MSTC0603MW33-series	0.06x0.03	R005~R020	0.33	1%(F)	75	0.800.25 x 1.600.25 x 0.400.25	Sn, Ni, Cu
MSTC0805MW50-series	0.08x0.05	R001~R020*LV	0.50	1%(F)	150 (for R001), 100 (for R001.5), 75 (for R002~R005), 50 (for R006~R020)	1.250.25 x 2.000.25 x 0.400.10	Sn, Ni, Cu
MSTC1206M1W0-series	0.12x0.06	R001~R020*LV	1.00	1%(F)	75 (for R001~R004), 50 (for R005~R020)	1.600.25 x 3.200.25 x 0.400.25	Sn, Ni, Cu

Product Characteristics and Reliability Test Standard

Parameter	Conditions	Acceptance Criteria	Standard
Short Time Over Load	P= 2.5Pr ; T=252C , t = 5sec.	(1.0%+0.5m)	IEC60115-1 4.13
High Temp. Exposure	T = +1552C ; 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	6095RHVtest = 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. +155C 30min. R.T. 3min ], 100 Cycles	(1.0%+0.5m)	IEC60115-1 4.19
Load Life at 70C	Vtest = Vmax ; T=702C ;t= 90min ON , 30min OFF,1000h	(2.0%+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= 2755C , t =201sec.	(1.0%+0.5m)	IEC60115-1 4.18
Mechanical Shock	Acceleration a =100G , pulse duration t =11ms, 5 times shock	(1.0%+0.5m)	IEC60115-1 4.21
Substrate Bending	Span:90mm ; Bend Width:2mm ; Testboard:GlassEpoxyBoard ; Thickness =1.6mm	(1.0%+0.5m)	IEC60115-1 4.33

Environmental Characteristics

Operating Temperature Range: -55155
Storage Conditions: Under airtight at +1040, RH 75% for 2 years. Without dew at +1060, RH = 95% for maximum 30 days.

Solder Pad Size and Welding Conditions

Part Number Series	P (mm)	W (mm)	D (mm)	Loading (W)
MSTC0402MW33-series	0.35	0.60	0.60	0.33
MSTC0402MW33-series	0.40	0.60	0.60	0.33
MSTC0402MW25-series	0.40	0.60	0.60	0.25
MSTC0603MW33-series	0.38	0.92	1.41	0.33
MSTC0603MW33-series	0.50	0.92	1.35	0.33
MSTC0603MW33-series	0.60	0.92	1.30	0.33
MSTC0805MW50-series	0.40	1.44	1.60	0.5
MSTC0805MW50-series	0.50	1.44	1.55	0.5
MSTC0805MW50-series	0.80	1.44	1.40	0.5
MSTC1206M1W0-series	0.50	1.84	2.15	1.0
MSTC1206M1W0-series	0.60	1.84	2.10	1.0
MSTC1206M1W0-series	1.20	1.84	1.80	1.0

Recommended Customer Soldering Parameters

Solder Reflow Temperature Condition: Preheating: 145 15, max.120 sec. Soldering: min. 220, max. 60 sec. Maximum temperature: 2605, max. 10sec.
Rework Temperature (hot air equipment): 350, 3~5 seconds
Recommended Reflow Methods: IR, vapor phase oven, hot air oven.

2410121317_Walter-Elec-MSTC0402MW332M50F_C970975.pdf

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