Metal Foil Current Sensing Resistor Walter Elec STE0805MW75R006FS with Flame Retardant Epoxy Coating
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Product Description
STE Series Current Sensing Resistor
The STE series are metal foil current sensing resistors designed for precise current measurement. They are suitable for various applications requiring accurate current detection.
Product Attributes
- Brand: STE Series
- Material: Metal Foil (MnCu alloy, Alloy, Special)
- Substrate: Alumina Ceramic
- Protective Coating: Flame-retardant epoxy (UL-94-V0)
- Marking Coating: Flame-retardant epoxy (UL-94-V0)
Technical Specifications
| Part Number Series | Resistance Value (m) | Power Rating (Watt) | Resistance Tolerance (%) | TCR (ppm) | Dimensions (W x L x T) (mm) | Terminal Electrode (A) (mm) |
| STE0603*W50-series | R005~R60 | 0.5 | 1%(F), 0.5%(D) | 100, 50 | 0.900.20 x 1.700.20 x 0.650.20 | 0.500.20 (R005), 0.400.20 (R006*S~R060) |
| STE0805*W75-series | R003~R200 | 0.75 | 1%(F), 0.5%(D) | 100, 50 | 1.350.20 x 2.100.20 x 0.650.20 | 0.650.20 (R003), 0.500.20 (R004*S~R200) |
| STE1206*1W0-series | R003~R400 | 1.0 | 1%(F), 0.5%(D) | 100, 50 | 1.700.20 x 3.300.20 x 0.650.20 | 1.200.30 (R003), 0.680.30 (R004*S~R400) |
| STE2010*1W5-series | R002~R400 | 1.5 | 1%(F), 0.5%(D) | 100, 50 | 2.600.20 x 5.100.20 x 0.650.20 | 2.100.30 (R002~R003), 0.700.30 (R004*S~R400) |
| STE2512*2W0-series | R002~R400 | 2.0 | 1%(F), 0.5%(D) | 100, 50 | 3.200.30 x 6.400.30 x 0.650.20 | 2.800.30 (R002), 2.600.30 (R003), 1.050.30 (R004*S~R400) |
| STE3921*3W0-series | R002~R100 | 3.0 | 1%(F), 0.5%(D) | 100, 50 | 5.100.30 x 11.100.30 x 0.650.20 | 4.900.30 (R002), 4.550.30 (R003), 2.360.30 (R004*S~R100) |
| STE4527*4W0-series | R002~R100 | 4.0 | 1%(F), 0.5%(D) | 100, 50 | 7.101.0 x 11.601.0 x 0.650.30 | 5.000.40 (R002), 2.700.40 (R003*S~R100) |
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: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 conditions at +1040, humidity 75%.
- 30 days maximum without dew at +1060, humidity 95%.
Recommended Solder Pad Size and Welding Conditions
| Part Number Series | P (mm) | W (mm) | D (mm) | Loading (Watt) |
| STE0603MW50-series | 0.50, 0.60 | 0.92 | 1.35, 1.30 | 0.50 |
| STE0805MW75-series | 0.50, 0.80 | 1.44 | 1.55, 1.40 | 0.75 |
| STE1206M1W0-series | 0.60, 1.20 | 1.84 | 2.10, 1.80 | 1.0 |
| STE2010M1W5-series | 0.70, 2.70 | 2.88 | 3.65, 2.65 | 1.5 |
| STE2512M2W0-series | 0.60, 0.90, 3.10 | 3.57 | 4.35, 4.20, 3.10 | 2.0 |
| STE3921M3W0-series | 1.10, 1.70, 5.00 | 5.75 | 6.45, 6.15, 4.50 | 3.0 |
| STE4527M4W0-series | 1.20, 5.20 | 8.05 | 6.65, 4.65 | 4.0 |
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.
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina