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Specifications
Power(Watts):
1W
Resistance:
39mΩ
Type:
Current Sense Resistor
Tolerance:
±1%
Temperature Coefficient:
±50ppm/℃
Mfr. Part #:
STE1206M1W0R039F
Package:
1206
Key Attributes
Model Number:
STE1206M1W0R039F
Product Description
STE Series Current Sensing Resistor
The STE series are Metal Foil Current Sensing Resistors designed for applications requiring precise current measurement. They offer high accuracy and reliability, suitable for various electronic circuits.
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 | Dimensions (W x L x T) (mm) | Resistance Value (m) | Power Rating (Watt) | Resistance Tolerance (%) | TCR (ppm) | Solder Pad Dimensions (P x W x D) (mm) |
| STE0603 | STE0603MW50-series R005 | 0.900.20 x 1.700.20 x 0.650.20 | 5~60 | 0.50 | 0.5% (D), 1% (F) | 50, 100 | 0.50 x 0.92 x 1.35 (R005) / 0.60 x 0.92 x 1.30 (R010~R060) |
| STE0805 | STE0805MW75-series R003 | 1.350.20 x 2.100.20 x 0.650.20 | 3~200 | 0.75 | 0.5% (D), 1% (F) | 50, 100 | 0.50 x 1.44 x 1.55 (R003) / 0.80 x 1.44 x 1.40 (R008~R200) |
| STE1206 | STE1206M1W0-series R003 | 1.700.20 x 3.300.20 x 0.650.20 | 3~400 | 1.0 | 0.5% (D), 1% (F) | 50, 100 | 0.60 x 1.84 x 2.10 (R003) / 1.20 x 1.84 x 1.80 (R009~R400) |
| STE2010 | STE2010M1W5-series R002 | 2.600.20 x 5.100.20 x 0.650.20 | 2~400 | 1.5 | 0.5% (D), 1% (F) | 50, 100 | 0.70 x 2.88 x 3.65 (R002~R003) / 2.70 x 2.88 x 2.65 (R010~R400) |
| STE2512 | STE2512M2W0-series R002 | 3.200.30 x 6.400.30 x 0.650.20 | 2~400 | 2.0 | 0.5% (D), 1% (F) | 50, 100 | 0.60 x 3.57 x 4.35 (R002) / 0.90 x 3.57 x 4.20 (R003) / 3.10 x 3.57 x 3.10 (R010~R400) |
| STE3921 | STE3921M3W0-series R002 | 5.100.30 x 11.100.30 x 0.650.20 | 2~100 | 3.0 | 0.5% (D), 1% (F) | 50, 100 | 1.10 x 5.75 x 6.45 (R002) / 1.70 x 5.75 x 6.15 (R003) / 5.00 x 5.75 x 4.50 (R009~R100) |
| STE4527 | STE4527M4W0-series R002 | 7.101.0 x 11.601.0 x 0.650.30 | 2~100 | 4.0 | 0.5% (D), 1% (F) | 50, 100 | 1.20 x 8.05 x 6.65 (R002) / 5.20 x 8.05 x 4.65 (R006~R100) |
Reliability Test Standards
| Test Parameter | Conditions | Acceptance Criteria | Reference Standard |
| Short Time Over Load | P=2.5Pr; T=252C, t=5sec. | (1.0%+0.5m) | IEC60115-1 4.13 |
| High Temp. Exposure | T=+1702C; 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 | (60, 95%RH), 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=30.5sec. | The covered area >95% | IEC60115-1 4.17 |
| Resistance to Solder Heat | Through Reflow, T=2755C, t=201sec. | (1.0%+0.5m) | IEC60115-1 4.18 |
| Mechanical Shock | a=100G, t=11ms, 5 times shock | (1.0%+0.5m) | IEC60115-1 4.21 |
| Substrate Bending | Span=90mm; Bend=2mm; Test board=Glass-Epoxy; Thickness=1.6mm | (1.0%+0.5m) | IEC60115-1 4.33 |
Environmental Characteristics
- Operating Temperature: -55155
- Storage Conditions: 2 years under airtight conditions (+1040, RH75%); Max. 30 days without dew (+1060, RH=95%).
2410121318_Walter-Elec-STE1206M1W0R039F_C201296.pdf
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