STE-M-series Current Sensing Resistor
The STE-M-series is a range of metal foil current sensing resistors designed for accurate current measurement. These components utilize a metal foil resistive element and are available in various sizes and resistance values, offering reliable performance for a wide range of applications.
Product Attributes
- Brand: STE
- Material: MnCu alloy (Resistive element)
- Coating: Flame-retardant epoxy (UL-94-V0 compliant)
- Coating Colors: Green (Protective), Black (Marking)
Technical Specifications
| Part Number Series | 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) |
|---|---|---|---|---|---|---|
| STE0603MW50-series | 5~100 | 0.50 | 0.5%(D), 1%(F) | 50, 75 | 0.900.20 x 1.700.20 x 0.650.15 | 0.50-0.60 x 0.92 x 1.30-1.35 |
| STE0805MW75-series | 3~500 | 0.75 | 0.5%(D), 1%(F) | 50, 75 | 1.350.20 x 2.100.20 x 0.650.20 | 0.50-0.80 x 1.44 x 1.40-1.55 |
| STE1206M1W0-series | 3~700 | 1.0 | 0.5%(D), 1%(F) | 50, 75 | 1.700.20 x 3.300.20 x 0.650.20 | 0.60-1.20 x 1.84 x 1.80-2.10 |
| STE2010M1W5-series | 2~700 | 1.5 | 0.5%(D), 1%(F) | 50, 100 | 2.600.20 x 5.100.20 x 0.650.20 | 0.70-2.70 x 2.88 x 2.65-3.65 |
| STE2512M2W0-series | 2~700 | 2.0 | 0.5%(D), 1%(F) | 50, 75 | 3.200.30 x 6.400.30 x 0.650.20 / 0.750.20 | 0.60-3.10 x 3.57 x 3.10-4.35 |
| STE3921M3W0-series | 2~100 | 3.0 | 0.5%(D), 1%(F) | 50, 100 | 5.100.30 x 11.100.30 x 0.650.20 | 1.10-5.00 x 5.75 x 4.50-6.45 |
| STE4527M4W0-series | 2~100 | 4.0 | 0.5%(D), 1%(F) | 50, 100 | 7.101.0 x 11.601.0 x 0.650.30 | 1.20-5.20 x 8.05 x 4.65-6.65 |
Product Characteristics and Reliability Test Standard
| Parameter | Conditions | Requirements | Standard |
|---|---|---|---|
| Short Time Over Load | P= 2.5Pr ; T=252C , t = 5sec. | (1.0%+0.5m) | IEC60115-1 4.13 |
| High Temp. Exposure | T = +1552C ; t = 1000h | (1.0%+0.5m) | IEC60115-1 4.25 |
| Low Temp. Storage | T = -552C ; t = 1000h | (1.0%+0.5m) | IEC60115-1 4.25 |
| Moisture Load Life | 6095RH Vtest = Vmax ; T=602C ; RH=95% ; t= 90min ON , 30min OFF , 1000h | (2.0%+0.5m) | IEC60115-1 4.25 |
| Thermal Shock | [-55C 30min. R.T. 3min. +155C 30min. R.T. 3min ], 100 Cycles | (1.0%+0.5m) | IEC60115-1 4.19 |
| Load Life at 70C | Vtest = Vmax ; T=702C ;t= 90min ON , 30min OFF,1000h | (2%+0.5m) | IEC60115-1 4.25 |
| Solderability | Dip into solder at T = 2455C , t = 31sec. | The covered area >95% | IEC60115-1 4.17 |
| Resistance to Solder Heat | Through Reflow Parts are subjected to 3 reflow cycles. | (1.0%+0.5m) | IEC60115-1 4.18 |
| Mechanical Shock | a =100G , t =6ms | (1.0%+0.5m) | IEC60115-1 4.21 |
| Substrate Bending | Span:90mm ; Bend Width:2mm ; Thickness =1.6mm | (1.0%+0.5m) | IEC60115-1 4.33 |
Environmental Characteristics
- Operating Temperature: -55155
- Storage Conditions: 2 years under airtight conditions (+1040, 75% RH); 30 days maximum without dew (+1060, 95% RH)
2410121322_Walter-Elec-STE1206M1W0R200F_C2840871.pdf
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