Metal foil current sensing resistor Walter Elec STE1206M1W0R033F accurate current measurement device

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Product Description

STE Series Current Sensing Resistor

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

Product Attributes

Brand: STE
Material: MnCu alloy, Alloy, Special
Substrate: Alumina Ceramic
Adhesion Layer: Epoxy
Resistive Element: Cu alloy
Terminal Electrode: SnNiCu
Protective Coating: Flame-retardant epoxy, meets UL-94-V0 requirements (green)
Marking Coating: Flame-retardant epoxy, meets UL-94-V0 requirements (black)

Technical Specifications

Part Number Series	Size	Resistance Value (m)	Power Rating (Watt)	Resistance Tolerance (%)	TCR (ppm)	Dimensions (W x L x T) (mm)	Solder Pad (P x W x D) (mm)
STE0603*W50-series	0603	5~60	0.50	0.5%(D) / 1%(F)	50 / 100	0.900.20 x 1.700.20 x 0.650.20	0.60 x 0.92 x 1.30
STE0805*W75-series	0805	3~200	0.75	0.5%(D) / 1%(F)	50 / 100	1.350.20 x 2.100.20 x 0.650.20	0.80 x 1.44 x 1.40
STE1206*1W0-series	1206	3~400	1.0	0.5%(D) / 1%(F)	50 / 100	1.700.20 x 3.300.20 x 0.650.20	1.20 x 1.84 x 1.80
STE2010*1W5-series	2010	2~400	1.5	0.5%(D) / 1%(F)	50 / 100	2.600.20 x 5.100.20 x 0.650.20	2.70 x 2.88 x 2.65
STE2512*2W0-series	2512	2~400	2.0	0.5%(D) / 1%(F)	50 / 100	3.200.30 x 6.400.30 x 0.650.20	3.10 x 3.57 x 3.10
STE3921*3W0-series	3921	2~100	3.0	0.5%(D) / 1%(F)	50 / 100	5.100.30 x 11.100.30 x 0.650.20	5.00 x 5.75 x 4.50
STE4527*4W0-series	4527	2~100	4.0	0.5%(D) / 1%(F)	50 / 100	7.101.0 x 11.601.0 x 0.650.30	5.20 x 8.05 x 4.65

Product Characteristics and Reliability Test Standard

Parameter	Conditions	Requirements	IEC Standard
Short Time Over Load	P= 2.5Pr ; T=252C , t = 5sec.	(1.0%+0.5m)	60115-1 4.13
High Temp. Exposure	T = +1702C ; t = 1000h	(1.0%+0.5m)	60115-1 4.25
Low Temp. Storage	T = -552C ; t = 1000h	(1.0%+0.5m)	60115-1 4.25
Moisture Load Life	6095RH Vtest = Vmax ; T=602C ; RH=95% ; t= 90min ON , 30min OFF , 1000h	(2.0%+0.5m)	60115-1 4.25
Thermal Shock	[-55C 30min. R.T. 3min. +155C 30min. R.T. 3min ], 100 Cycles	(1.0%+0.5m)	60115-1 4.19
Load Life at 70C	Vtest = Vmax ; T=702C ;t= 90min ON , 30min OFF,1000h	(2%+0.5m)	60115-1 4.25
Solderability	Dip into solder at T = 2455C , t = 30.5sec.	The covered area >95%	60115-1 4.17
Resistance to Solder Heat	Through Reflow T= 2755C , t =201sec.	(1.0%+0.5m)	60115-1 4.18
Mechanical Shock	a =100G , t =11ms, 5 times shock	(1.0%+0.5m)	60115-1 4.21
Substrate Bending	Span:90mm ; Bend Width:2mm ; Test board: Glass-Epoxy Board ; Thickness =1.6mm	(1.0%+0.5m)	60115-1 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.