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Specifications
Power(Watts):
500mW
Resistance:
7mΩ
Mounting Type:
SMD
Type:
Current Sense Resistor
Temperature Coefficient:
±100ppm/℃
Tolerance:
±1%
Mfr. Part #:
STE0603MW50R007FS
Package:
0603
Key Attributes
Model Number:
STE0603MW50R007FS
Product Description
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 R006*S~R009*S | 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 R004*S~R007*S | 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 R004*S~R008*S | 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 R004*S~R009*S | 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 R004*S~R009*S | 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 R004*S~R008*S | 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 R003*S~R005*S | 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 R006*S~R009*S | 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 R004*S~R007*S | 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 R004*S~R008*S | 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 R004*S~R009*S | 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 R004*S~R009*S | 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 R004*S~R008*S | 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 R003*S~R005*S | 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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