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Specifications
Power(Watts):
2W
Resistance:
90mΩ
Type:
Current Sense Resistor
Tolerance:
±1%
Temperature Coefficient:
±50ppm/℃
Mfr. Part #:
STE2512A2W0R090F
Package:
2512
Key Attributes
Model Number:
STE2512A2W0R090F
Product Description
STE Series Current Sensing Resistors
The STE series Metal Foil Current Sensing Resistors are designed for precise current measurement applications. They offer high accuracy and reliability, making them suitable for various electronic circuits where current monitoring is critical.
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 | Resistance Value (m) | Power Rating (Watt) | Resistance Tolerance (%) | TCR (ppm) | Dimensions (W x L x T, mm) | Terminal Electrode Material |
|---|---|---|---|---|---|---|---|
| STE0603 | STE0603MW50-series R005 | 5~60 | 0.50 | 0.5%(D) / 1%(F) | 50 / 100 | 0.900.20 x 1.700.20 x 0.650.20 | SnNiCu |
| STE0805 | STE0805MW75-series R003 | 3~200 | 0.75 | 0.5%(D) / 1%(F) | 50 / 100 | 1.350.20 x 2.100.20 x 0.650.20 | SnNiCu |
| STE1206 | STE1206M1W0-series R003 | 3~400 | 1.0 | 0.5%(D) / 1%(F) | 50 / 100 | 1.700.20 x 3.300.20 x 0.650.20 | SnNiCu |
| STE2010 | STE2010M1W5-series R002 | 2~400 | 1.5 | 0.5%(D) / 1%(F) | 50 / 100 | 2.600.20 x 5.100.20 x 0.650.20 | SnNiCu |
| STE2512 | STE2512M2W0-series R002 | 2~400 | 2.0 | 0.5%(D) / 1%(F) | 50 / 100 | 3.200.30 x 6.400.30 x 0.650.20 | SnNiCu |
| STE3921 | STE3921M3W0-series R002 | 2~100 | 3.0 | 0.5%(D) / 1%(F) | 50 / 100 | 5.100.30 x 11.100.30 x 0.650.20 | SnNiCu |
| STE4527 | STE4527M4W0-series R002 | 2~100 | 4.0 | 0.5%(D) / 1%(F) | 50 / 100 | 7.101.0 x 11.601.0 x 0.650.30 | SnNiCu |
Reliability Test Standards
| Test 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 | (60, 95%RH), 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; Thickness=1.6mm | (1.0%+0.5m) | 60115-1 4.33 |
Environmental Characteristics
- Operating Temperature: -55155
- Storage Conditions: 2 years under airtight conditions (+1040, 75% RH); Max. 30 days without dew (+1060, 95% RH)
Recommended Solder Pad Dimensions (mm)
| Part Number | P | W | D | 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 |
2410121318_Walter-Elec-STE2512A2W0R090F_C388456.pdf
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