Metal Foil Current Sensing Resistor Walter Elec STE1206M1W0R045F with High Power Rating and Stability
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
STE Series Current Sensing Resistors
The STE series offers high-performance metal foil current sensing resistors designed for accurate current measurement. These components are ideal for applications requiring precise current monitoring and control.
Product Attributes
- Brand: STE
- Material: Metal Foil (MnCu alloy, Alloy, Special)
- Substrate: Alumina Ceramic
- Protective Coating: Flame-retardant epoxy (UL-94-V0 compliant, Green)
- Marking Coating: Flame-retardant epoxy (UL-94-V0 compliant, Black)
Technical Specifications
| Part Number Series | Series Number | Material | Power Rating | Resistance Value | Resistance Tolerance | TCR (ppm) | Dimensions (W x L x T) (mm) | Terminal Electrode (A) (mm) |
| STE0603 | 0603 | M/A/S | 0.50W | R005~R60 (5~60m) | 0.5%(D), 1%(F) | 50, 100 | 0.900.20 x 1.700.20 x 0.650.20 | 0.400.20 / 0.500.20 |
| STE0805 | 0805 | M/A/S | 0.75W | R003~R200 (3~200m) | 0.5%(D), 1%(F) | 50, 100 | 1.350.20 x 2.100.20 x 0.650.20 | 0.500.20 / 0.650.20 |
| STE1206 | 1206 | M/A/S | 1.0W | R003~R400 (3~400m) | 0.5%(D), 1%(F) | 50, 100 | 1.700.20 x 3.300.20 x 0.650.20 | 0.680.30 / 1.200.30 |
| STE2010 | 2010 | M/A/S | 1.5W | R002~R400 (2~400m) | 0.5%(D), 1%(F) | 50, 100 | 2.600.20 x 5.100.20 x 0.650.20 | 0.700.30 / 2.100.30 |
| STE2512 | 2512 | M/A/S | 2.0W | R002~R400 (2~400m) | 0.5%(D), 1%(F) | 50, 100 | 3.200.30 x 6.400.30 x 0.650.20 | 1.050.30 / 2.600.30 / 2.800.30 |
| STE3921 | 3921 | M/A/S | 3.0W | R002~R100 (2~100m) | 0.5%(D), 1%(F) | 50, 100 | 5.100.30 x 11.100.30 x 0.650.20 | 2.360.30 / 4.550.30 / 4.900.30 |
| STE4527 | 4527 | M/A/S | 4.0W | R002~R100 (2~100m) | 0.5%(D), 1%(F) | 50, 100 | 7.101.0 x 11.601.0 x 0.650.30 | 2.700.40 / 5.000.40 |
Reliability Test Standards
| Test Method | Conditions | Requirements |
| Short Time Over Load | P=2.5Pr; T=252C, t=5sec. | (1.0%+0.5m) |
| High Temp. Exposure | T=+1702C, t=1000h | (1.0%+0.5m) |
| Low Temp. Storage | T=-552C, t=1000h | (1.0%+0.5m) |
| Moisture Load Life | (60, 95%RH) Vtest=Vmax; T=602C; RH=95%; t=90min ON, 30min OFF, 1000h | (2.0%+0.5m) |
| Thermal Shock | [-55C 30min. R.T. 3min. +155C 30min. R.T. 3min], 100 Cycles | (1.0%+0.5m) |
| Load Life at 70C | Vtest=Vmax; T=702C; t=90min ON, 30min OFF, 1000h | (2%+0.5m) |
| Solderability | Dip into solder at T=2455C, t=30.5sec. | The covered area >95% |
| Resistance to Solder Heat | Through Reflow T=2755C, t=201sec. | (1.0%+0.5m) |
| Mechanical Shock | Acceleration a=100G, Amplitude time t=11ms, 5 times shock | (1.0%+0.5m) |
| Substrate Bending | Span: 90mm; Bend Width: 2mm; Test board: Glass-Epoxy Board; Thickness=1.6mm | (1.0%+0.5m) |
Environmental Characteristics
- Operating Temperature Range: -55 to 155
- Storage Conditions:
- Under airtight at +10 to +40, RH 75% for 2 years.
- Without dew at +10 to +60, RH 95% for 30 days.
Recommended Solder Pad Dimensions (mm)
| Part Number Series | P | W | D |
| STE0603 | 0.60 | 0.92 | 1.30 |
| STE0805 | 0.80 | 1.44 | 1.40 |
| STE1206 | 1.20 | 1.84 | 1.80 |
| STE2010 | 2.70 | 2.88 | 2.65 |
| STE2512 | 3.10 | 3.57 | 3.10 |
| STE3921 | 5.00 | 5.75 | 4.50 |
| STE4527 | 5.20 | 8.05 | 4.65 |
Recommended Soldering Parameters
Wave Solder Temperature Profile:
Preheating: 100~130, max. 100 sec.
Soldering: 250~265 max. 10 sec.
Maximum Temperature: 2605, max. 10sec.
Solder Reflow Temperature Profile:
Preheating: 145 15, max. 120 sec.
Soldering: min. 220, max. 60 sec.
Maximum Temperature: 2605, max. 10sec.
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
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