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metal foil current sensing resistor Walter Elec STE0603MW50R007FS for accurate current detection applications

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metal foil current sensing resistor Walter Elec STE0603MW50R007FS for accurate current detection applications

Power(Watts) : 500mW

Resistance : 7mΩ

Mounting Type : SMD

Type : Current Sense Resistor

Temperature Coefficient : ±100ppm/℃

Tolerance : ±1%

Description : 7mΩ ±1% 500mW

Mfr. Part # : STE0603MW50R007FS

Model Number : STE0603MW50R007FS

Package : 0603

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Product Overview

The STE series of current sensing resistors are metal foil components designed for accurate current measurement. They are suitable for applications requiring precise current detection and monitoring.

Product Attributes

Brand: STE Series
Material: Metal Foil (MnCu alloy, Alloy, Special)
Color: Green (protective coating), Black (marking coating)
Certifications: UL-94-V0 (protective and marking coatings)

Technical Specifications

Series	Part Number Range	Resistance Value (m)	Power Rating (Watt)	Resistance Tolerance (%)	TCR (ppm)	Dimensions (W x L x T) (mm)	Terminal Electrode (A) (mm)
STE0603	STE0603MW50-series R005	5~9	0.5	1%(F)	100	0.900.20 x 1.700.20 x 0.650.20	0.500.20
STE0603	STE0603MW50-series R006S~R009S	6~9	0.5	0.5%(D) / 1%(F)	50	0.900.20 x 1.700.20 x 0.650.20	0.400.20
STE0603	STE0603MW50-series R010~R049	10~49	0.5	0.5%(D) / 1%(F)	50	0.900.20 x 1.700.20 x 0.650.20	0.400.20
STE0603	STE0603*W50-series R050~R060	50~60	0.5	0.5%(D) / 1%(F)	50	0.900.20 x 1.700.20 x 0.650.20	0.400.20
STE0805	STE0805MW75-series R003	3~9	0.75	1%(F)	100	1.350.20 x 2.100.20 x 0.650.20	0.650.20
STE0805	STE0805MW75-series R004S~R007S	4~7	0.75	0.5%(D) / 1%(F)	50	1.350.20 x 2.100.20 x 0.650.20	0.500.20
STE0805	STE0805MW75-series R008~R049	8~49	0.75	0.5%(D) / 1%(F)	50	1.350.20 x 2.100.20 x 0.650.20	0.500.20
STE0805	STE0805*W75-series R050~R200	50~200	0.75	0.5%(D) / 1%(F)	50	1.350.20 x 2.100.20 x 0.650.20	0.500.20
STE1206	STE1206M1W0-series R003	3~9	1.0	1%(F)	100	1.700.20 x 3.300.20 x 0.650.20	1.200.30
STE1206	STE1206M1W0-series R004S~R008S	4~8	1.0	0.5%(D) / 1%(F)	50	1.700.20 x 3.300.20 x 0.650.20	0.680.30
STE1206	STE1206M1W0-series R009~R049	9~49	1.0	0.5%(D) / 1%(F)	50	1.700.20 x 3.300.20 x 0.650.20	0.680.30
STE1206	STE1206*1W0-series R050~R400	50~400	1.0	0.5%(D) / 1%(F)	50	1.700.20 x 3.300.20 x 0.650.20	0.680.30
STE2010	STE2010M1W5-series R002~R003	2~3	1.5	1%(F)	100	2.600.20 x 5.100.20 x 0.650.20	2.100.30
STE2010	STE2010M1W5-series R004S~R009S	4~9	1.5	0.5%(D) / 1%(F)	50	2.600.20 x 5.100.20 x 0.650.20	0.700.30
STE2010	STE2010M1W5-series R010~R049	10~49	1.5	0.5%(D) / 1%(F)	50	2.600.20 x 5.100.20 x 0.650.20	0.700.30
STE2010	STE2010*1W5-series R050~R400	50~400	1.5	0.5%(D) / 1%(F)	50	2.600.20 x 5.100.20 x 0.650.20	0.700.30
STE2512	STE2512M2W0-series R002	2	2.0	1%(F)	100	3.200.30 x 6.400.30 x 0.650.20	2.800.30
STE2512	STE2512M2W0-series R003	3	2.0	1%(F)	100	3.200.30 x 6.400.30 x 0.650.20	2.600.30
STE2512	STE2512M2W0-series R004S~R009S	4~9	2.0	0.5%(D) / 1%(F)	50	3.200.30 x 6.400.30 x 0.650.20	1.050.30
STE2512	STE2512M2W0-series R010~R049	10~49	2.0	0.5%(D) / 1%(F)	50	3.200.30 x 6.400.30 x 0.650.20	1.050.30
STE2512	STE2512*2W0-series R050~R400	50~400	2.0	0.5%(D) / 1%(F)	50	3.200.30 x 6.400.30 x 0.650.20	1.050.30
STE3921	STE3921M3W0-series R002	2	3.0	1%(F)	100	5.100.30 x 11.100.30 x 0.650.20	4.900.30
STE3921	STE3921M3W0-series R003	3	3.0	1%(F)	100	5.100.30 x 11.100.30 x 0.650.20	4.550.30
STE3921	STE3921M3W0-series R004S~R008S	4~8	3.0	0.5%(D) / 1%(F)	50	5.100.30 x 11.100.30 x 0.650.20	2.360.30
STE3921	STE3921M3W0-series R009~R049	9~49	3.0	0.5%(D) / 1%(F)	50	5.100.30 x 11.100.30 x 0.650.20	2.360.30
STE3921	STE3921*3W0-series R050~R100	50~100	3.0	0.5%(D) / 1%(F)	50	5.100.30 x 11.100.30 x 0.650.20	2.360.30
STE4527	STE4527M4W0-series R002	2	4.0	1%(F)	100	7.101.0 x 11.601.0 x 0.650.30	5.000.40
STE4527	STE4527M4W0-series R003S~R005S	3~5	4.0	0.5%(D) / 1%(F)	50	7.101.0 x 11.601.0 x 0.650.30	2.700.40
STE4527	STE4527M4W0-series R006~R049	6~49	4.0	0.5%(D) / 1%(F)	50	7.101.0 x 11.601.0 x 0.650.30	2.700.40
STE4527	STE4527*4W0-series R050~R100	50~100	4.0	0.5%(D) / 1%(F)	50	7.101.0 x 11.601.0 x 0.650.30	2.700.40

Product Structure & Material

Substrate: Alumina Ceramic
Adhesion layer: Epoxy
Resistive element: Cu alloy
Terminal electrode: SnNiCu
Protective coating: Flame-retardant epoxy (UL-94-V0, Green)
Marking coating: Flame-retardant epoxy (UL-94-V0, Black)

Reliability Test Standards

Parameter	Conditions	Requirements	IEC Standard
Short Time Over Load	P= 2.5Pr ; T=252C , t = 5sec.	(1.0%+0.5m)	4.13
High Temp. Exposure	T = +1702C ; t = 1000h	(1.0%+0.5m)	4.25
Low Temp. Storage	T = -552C ; t = 1000h	(1.0%+0.5m)	4.25
Moisture Load Life	6095RH Vtest = Vmax ; T=602C ; RH=95% ; t= 90min ON , 30min OFF , 1000h	(2.0%+0.5m)	4.25
Thermal Shock	[-55C 30min. R.T. 3min. +155C 30min. R.T. 3min ], 100 Cycles	(1.0%+0.5m)	4.19
Load Life at 70C	Vtest = Vmax ; T=702C ;t= 90min ON , 30min OFF,1000h	(2%+0.5m)	4.25
Solderability	Dip into solder at T = 2455C , t = 30.5sec.	The covered area >95%	4.17
Resistance to Solder Heat	Through Reflow T= 2755C , t =201sec.	(1.0%+0.5m)	4.18
Mechanical Shock	a =100G , t =11ms, 5 times shock	(1.0%+0.5m)	4.21
Substrate Bending	Span=90mm ; Bend Width=2mm ; Test board=Glass-Epoxy Board ; Thickness=1.6mm	(1.0%+0.5m)	4.33

Environmental Characteristics

Operating Temperature: -55155

Storage Conditions

Under airtight in temperature+1040, relative humidity 75% can store 2 years.
Without dew in temperature+1060, relative humidity be 95% maximum value for 30 days.

Recommended Solder Pad Size and Welding Conditions

Part Number	P (mm)	W (mm)	D (mm)	Loading (Watt)
STE0603MW50-series R005	0.50	0.92	1.35	0.50w
STE0603MW50-series R006S~R009S	0.60	0.92	1.30	0.50w
STE0603*W50-series R010~R60	0.60	0.92	1.30	0.50w
STE0805MW75-series R003	0.50	1.44	1.55	0.75w
STE0805MW75-series R004S~R007S	0.80	1.44	1.40	0.75w
STE0805*W75-series R008~R200	0.80	1.44	1.40	0.75w
STE1206M1W0-series R003	0.60	1.84	2.10	1.0w
STE1206M1W0-series R004S~R008S	1.20	1.84	1.80	1.0w
STE1206*1W0-series R009~R400	1.20	1.84	1.80	1.0w
STE2010M1W5-series R002~R003	0.70	2.88	3.65	1.5w
STE2010M1W5-series R004S~R009S	2.70	2.88	2.65	1.5w
STE2010*1W5-series R010~R400	2.70	2.88	2.65	1.5w
STE2512M2W0-series R002	0.60	3.57	4.35	2.0w
STE2512M2W0-series R003	0.90	3.57	4.20	2.0w
STE2512M2W0-series R004S~R009S	3.10	3.57	3.10	2.0w
STE2512*2W0-series R010~R400	3.10	3.57	3.10	2.0w
STE3921M3W0-series R002	1.10	5.75	6.45	3.0w
STE3921M3W0-series R003	1.70	5.75	6.15	3.0w
STE3921M3W0-series R004S~R008S	5.00	5.75	4.50	3.0w
STE3921*3W0-series R009~R100	5.00	5.75	4.50	3.0w
STE4527M4W0-series R002	1.20	8.05	6.65	4.0w
STE4527M4W0-series R003S~R005S	5.20	8.05	4.65	4.0w
STE4527*4W0-series R006~R100	5.20	8.05	4.65	4.0w

Loading: Suit for specific pad layout and specific steady current.

Recommended Customer Soldering Parameters

Wave Solder Temperature Condition

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

Solder Reflow Temperature Condition

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

2410121318_Walter-Elec-STE0603MW50R007FS_C156368.pdf

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