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Specifications
Power(Watts):
330mW
Resistance:
2.5mΩ
Voltage Rating:
-
Type:
Current Sense Resistor
Tolerance:
±1%
Mfr. Part #:
MSTC0402MW332M50F
Package:
0402
Key Attributes
Model Number:
MSTC0402MW332M50F
Product Description
MSTC Current Sensor Resistor
The MSTC series are Metal Strap Current Sensing Resistors designed for precise current measurement. These components offer reliable performance and are suitable for various industrial applications.
Product Attributes
- Brand: Walter company
- Material: MnCu alloy (Manganese Copper Alloy)
- Protective Coating: Flame-retardant epoxy, meets UL-94-V0 requirements (Green)
- Marking Coating: Flame-retardant epoxy, meets UL-94-V0 requirements (White)
Technical Specifications
| Part Number Series | Size | Nominal Resistance Value | Power Rating (Watt) | Resistance Tolerance (%) | TCR (ppm/) | Dimensions (W x L x T) (mm) | Terminal Electrode |
| MSTC0402MW33-series | 0.08x0.05 | R002~R003 | 0.33 | 1%(F) | 150 | 0.550.10 x 1.000.10 x 0.300.05 | Sn, Ni, Cu |
| MSTC0402MW33-series | 0.08x0.05 | R005~R025 | 0.33 | 1%(F) | 100 | 0.550.10 x 1.000.10 x 0.300.05 | Sn, Ni, Cu |
| MSTC0402MW25-series | 0.08x0.05 | R050 | 0.25 | 1%(F) | 100 | 0.550.10 x 1.000.10 x 0.300.05 | Sn, Ni, Cu |
| MSTC0603MW33-series | 0.06x0.03 | R002 | 0.33 | 1%(F) | 150 | 0.800.25 x 1.600.25 x 0.400.25 | Sn, Ni, Cu |
| MSTC0603MW33-series | 0.06x0.03 | R005~R020 | 0.33 | 1%(F) | 75 | 0.800.25 x 1.600.25 x 0.400.25 | Sn, Ni, Cu |
| MSTC0805MW50-series | 0.08x0.05 | R001~R020*LV | 0.50 | 1%(F) | 150 (for R001), 100 (for R001.5), 75 (for R002~R005), 50 (for R006~R020) | 1.250.25 x 2.000.25 x 0.400.10 | Sn, Ni, Cu |
| MSTC1206M1W0-series | 0.12x0.06 | R001~R020*LV | 1.00 | 1%(F) | 75 (for R001~R004), 50 (for R005~R020) | 1.600.25 x 3.200.25 x 0.400.25 | Sn, Ni, Cu |
Product Characteristics and Reliability Test Standard
| Parameter | Conditions | Acceptance Criteria | 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 | 6095RHVtest = 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%+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 | Acceleration a =100G , pulse duration t =11ms, 5 times shock | (1.0%+0.5m) | IEC60115-1 4.21 |
| Substrate Bending | Span:90mm ; Bend Width:2mm ; Testboard:GlassEpoxyBoard ; Thickness =1.6mm | (1.0%+0.5m) | IEC60115-1 4.33 |
Environmental Characteristics
- Operating Temperature Range: -55155
- Storage Conditions: Under airtight at +1040, RH 75% for 2 years. Without dew at +1060, RH = 95% for maximum 30 days.
Solder Pad Size and Welding Conditions
| Part Number Series | P (mm) | W (mm) | D (mm) | Loading (W) |
| MSTC0402MW33-series | 0.35 | 0.60 | 0.60 | 0.33 |
| MSTC0402MW33-series | 0.40 | 0.60 | 0.60 | 0.33 |
| MSTC0402MW25-series | 0.40 | 0.60 | 0.60 | 0.25 |
| MSTC0603MW33-series | 0.38 | 0.92 | 1.41 | 0.33 |
| MSTC0603MW33-series | 0.50 | 0.92 | 1.35 | 0.33 |
| MSTC0603MW33-series | 0.60 | 0.92 | 1.30 | 0.33 |
| MSTC0805MW50-series | 0.40 | 1.44 | 1.60 | 0.5 |
| MSTC0805MW50-series | 0.50 | 1.44 | 1.55 | 0.5 |
| MSTC0805MW50-series | 0.80 | 1.44 | 1.40 | 0.5 |
| MSTC1206M1W0-series | 0.50 | 1.84 | 2.15 | 1.0 |
| MSTC1206M1W0-series | 0.60 | 1.84 | 2.10 | 1.0 |
| MSTC1206M1W0-series | 1.20 | 1.84 | 1.80 | 1.0 |
Recommended Customer Soldering Parameters
- Solder Reflow Temperature Condition: Preheating: 145 15, max.120 sec. Soldering: min. 220, max. 60 sec. Maximum temperature: 2605, max. 10sec.
- Rework Temperature (hot air equipment): 350, 3~5 seconds
- Recommended Reflow Methods: IR, vapor phase oven, hot air oven.
2410121317_Walter-Elec-MSTC0402MW332M50F_C970975.pdf
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