Current sensing resistor Walter Elec MSTC0805MW50R003FLV designed for stable performance in circuits

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Product Description

MSTC Current Sensor Resistor

The MSTC series Metal Strap Current Sensing Resistors are designed for precise current measurement applications. These resistors offer reliable performance and are suitable for various electronic systems requiring accurate current monitoring.

Product Attributes

Brand: Walter
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	Resistance Value (m)	Power Rating (Watt)	Resistance Tolerance (%)	TCR (ppm/)	Dimensions (mm) W x L x T	Terminal Electrode (A)
MSTC0402MW33-series	0.08x0.05	2m50~R003	0.33	1%(F)	150	0.550.10 x 1.000.10 x 0.300.05	0.300.10
MSTC0402MW33-series	0.08x0.05	R005~R025	0.33	1%(F)	100	0.550.10 x 1.000.10 x 0.300.05	0.230.10
MSTC0402MW25-series	0.08x0.05	R050	0.25	1%(F)	100	0.550.10 x 1.000.10 x 0.300.05	0.230.10
MSTC0603MW33-series	0.06x0.03	R002	0.33	1%(F)	75	0.800.25 x 1.600.25 x 0.400.25	0.450.20
MSTC0603MW33-series	0.06x0.03	2m50~R003	0.33	1%(F)	100	0.800.25 x 1.600.25 x 0.400.25	0.350.20
MSTC0603MW33-series	0.06x0.03	R004~R020	0.33	1%(F)	75	0.800.25 x 1.600.25 x 0.400.25	0.300.20
MSTC0805MW50-series	0.08x0.05	R001~1M50*VLV	0.50	1%(F)	75	1.250.25 x 2.000.25 x 0.400.10	0.700.20
MSTC0805MW50-series	0.08x0.05	R002*VLV	0.50	1%(F)	100	1.250.25 x 2.000.25 x 0.400.10	0.600.20
MSTC0805MW50-series	0.08x0.05	R002*LV	0.50	1%(F)	75	1.250.25 x 2.000.25 x 0.400.25	0.600.20
MSTC0805MW50-series	0.08x0.05	R003*VLV	0.50	1%(F)	75	1.250.25 x 2.000.25 x 0.400.10	0.400.20
MSTC0805MW50-series	0.08x0.05	R003~R020*LV	0.50	1%(F)	50	1.250.25 x 2.000.25 x 0.400.25	0.400.20
MSTC1206M1W0-series	0.12x0.06	R001~1M50*LV	1.00	1%(F)	75	1.600.25 x 3.200.25 x 0.400.25	1.250.30
MSTC1206M1W0-series	0.12x0.06	R002*LV	1.00	1%(F)	100	1.600.25 x 3.200.25 x 0.400.25	1.050.30
MSTC1206M1W0-series	0.12x0.06	R003*LV	1.00	1%(F)	75	1.600.25 x 3.200.25 x 0.400.25	0.800.30
MSTC1206M1W0-series	0.12x0.06	R004~R020*LV	1.00	1%(F)	50	1.600.25 x 3.200.25 x 0.400.25	0.600.30

Electrical Characteristics Summary

Part Number Series	Resistance Value (m)	Power Rating (Watt)	Resistance Tolerance (%)	TCR (ppm/)
MSTC0603MW33-series	R002~R020	0.33	1%(F)	150 (for 2-20m)
MSTC0805MW50-series	R001~R020*LV	0.5	1%(F)	150 (for 1-1.5m), 100 (for 2-5m), 75 (for 6-20m), 50 (for 6-20m)
MSTC1206M1W0-series	R001~R020*LV	1.0	1%(F)	75 (for 1-4m), 50 (for 5-20m)
MSTC0402MW33-series	2M50~R025	0.33	1%(F)	150 (for 2.5-3m), 100 (for 5-25m)
MSTC0402MW25-series	R050	0.25	1%(F)	100

Product Characteristics and Reliability Test Standard

Parameter	Conditions	Requirements	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	6095RH 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. +155C 30min. R.T. 3min ], 100	(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	a =100G , 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: 2 years under airtight conditions at +1040, 75% RH. Max. 30 days without dew at +1060, 95% RH.

Solder Pad Size and Welding Conditions

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

Recommended Customer Soldering Parameters

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