STE Series Current Sensing Resistors

The STE series are metal foil current sensing resistors designed for high-precision current measurement. They are suitable for applications requiring accurate current detection and monitoring.

Product Attributes

Brand: STE
Material: Metal Foil (MnCu alloy, Alloy, Special)
Substrate: Alumina Ceramic
Protective Coating: Flame-retardant epoxy (UL-94-V0, Green)
Marking Coating: Flame-retardant epoxy (UL-94-V0, Black)

Technical Specifications

Series	Part Number Example	Dimensions (W x L x T) (mm)	Resistance Value (m)	Power Rating (Watt)	Resistance Tolerance (%)	TCR (ppm)	Recommended Solder Pad (P x W x D) (mm)
STE0603	STE0603MW50-series R005	0.900.20 x 1.700.20 x 0.650.20	5~9	0.5	1%(F)	100	0.50 x 0.92 x 1.35
STE0603	STE0603MW50-series R010~R060	0.900.20 x 1.700.20 x 0.650.20	10~60	0.5	0.5%(D) / 1%(F)	50	0.60 x 0.92 x 1.30
STE0805	STE0805MW75-series R003	1.350.20 x 2.100.20 x 0.650.20	3~9	0.75	1%(F)	100	0.50 x 1.44 x 1.55
STE0805	STE0805MW75-series R010~R200	1.350.20 x 2.100.20 x 0.650.20	10~200	0.75	0.5%(D) / 1%(F)	50	0.80 x 1.44 x 1.40
STE1206	STE1206M1W0-series R003	1.700.20 x 3.300.20 x 0.650.20	3~9	1.0	1%(F)	100	0.60 x 1.84 x 2.10
STE1206	STE1206M1W0-series R010~R400	1.700.20 x 3.300.20 x 0.650.20	10~400	1.0	0.5%(D) / 1%(F)	50	1.20 x 1.84 x 1.80
STE2010	STE2010M1W5-series R002~R003	2.600.20 x 5.100.20 x 0.650.20	2~9	1.5	1%(F)	100	0.70 x 2.88 x 3.65
STE2010	STE2010M1W5-series R010~R400	2.600.20 x 5.100.20 x 0.650.20	10~400	1.5	0.5%(D) / 1%(F)	50	2.70 x 2.88 x 2.65
STE2512	STE2512M2W0-series R002	3.200.30 x 6.400.30 x 0.650.20	2~9	2.0	1%(F)	100	0.60 x 3.57 x 4.35
STE2512	STE2512M2W0-series R003	3.200.30 x 6.400.30 x 0.650.20	2~9	2.0	1%(F)	100	0.90 x 3.57 x 4.20
STE2512	STE2512M2W0-series R010~R400	3.200.30 x 6.400.30 x 0.650.20	10~400	2.0	0.5%(D) / 1%(F)	50	3.10 x 3.57 x 3.10
STE3921	STE3921M3W0-series R002	5.100.30 x 11.100.30 x 0.650.20	2~9	3.0	1%(F)	100	1.10 x 5.75 x 6.45
STE3921	STE3921M3W0-series R003	5.100.30 x 11.100.30 x 0.650.20	2~9	3.0	1%(F)	100	1.70 x 5.75 x 6.15
STE3921	STE3921M3W0-series R009~R100	5.100.30 x 11.100.30 x 0.650.20	10~100	3.0	0.5%(D) / 1%(F)	50	5.00 x 5.75 x 4.50
STE4527	STE4527M4W0-series R002	7.101.0 x 11.601.0 x 0.650.30	2~9	4.0	1%(F)	100	1.20 x 8.05 x 6.65
STE4527	STE4527M4W0-series R006~R100	7.101.0 x 11.601.0 x 0.650.30	10~100	4.0	0.5%(D) / 1%(F)	50	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: 2 years under airtight at +1040, 75% RH; 30 days without dew at +1060, 95% RH.

2410121318_Walter-Elec-STE1206M1W0R016F_C201282.pdf

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