MnCu Alloy Current Sensing Resistor Walter Elec MSTC0402MW33R010F with Flame Retardant Epoxy Protective Coating
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Product Description
MSTC Current Sensor Resistor
The MSTC series are Metal Strap Current Sensing Resistors designed for precise current sensing applications. They offer reliable performance and are constructed with high-quality materials.
Product Attributes
- Brand: Walter
- Material: MnCu 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 Number | Material | Power Rating | Nominal Resistance Value | Resistance Tolerance | Product Code | Dimensions (W x L x T) (mm) | Terminal Electrode | Substrate | Adhesive | Protective Coating | Marking Coating | Resistance Value (m) | Power Rating (Watt) | TCR (ppm/) |
| MSTC0402MW33-series | MSTC0805 | MnCu alloy | W33 | 2m~R003 | 1%(F) | 0.550.10 x 1.000.10 x 0.300.05 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 2.5~3 | 0.33 | 150 (for 2.5~5m), 100 (for 6~20m) | |
| MSTC0402MW33-series | MSTC0805 | MnCu alloy | W33 | R005~R025 | 1%(F) | 0.550.10 x 1.000.10 x 0.300.05 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 5~25 | 0.33 | 150 (for 2.5~3m), 100 (for 5~25m) | |
| MSTC0402MW25-series | MSTC0805 | MnCu alloy | W25 | R050 | 1%(F) | 0.550.10 x 1.000.10 x 0.300.05 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 50 | 0.25 | 100 | |
| MSTC0603MW33-series | MSTC0805 | MnCu alloy | W33 | R002 | 1%(F) | 0.800.25 x 1.600.25 x 0.400.25 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 2~20 | 0.33 | 150 (for 2~20m) | |
| MSTC0603MW33-series | MSTC0805 | MnCu alloy | W33 | 2m~R003 | 1%(F) | 0.800.25 x 1.600.25 x 0.400.25 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 2~3 | 0.33 | 150 (for 2~3m) | |
| MSTC0603MW33-series | MSTC0805 | MnCu alloy | W33 | R004~R020 | 1%(F) | 0.800.25 x 1.600.25 x 0.400.25 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 4~20 | 0.33 | 75 (for 6~20m) | |
| MSTC0805MW50-series | MSTC0805 | MnCu alloy | W50 | R001~1M50*VLV | 1%(F) | V, LV | 1.250.25 x 2.000.25 x 0.400.10 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 1~20 | 0.50 | 150 (for 1~1.5m), 100 (for 2~5m), 75 (for 6~20m), 50 (for higher resistance) |
| MSTC0805MW50-series | MSTC0805 | MnCu alloy | W50 | R002*VLV | 1%(F) | VLV | 1.250.25 x 2.000.25 x 0.400.10 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 2 | 0.50 | 100 |
| MSTC0805MW50-series | MSTC0805 | MnCu alloy | W50 | R002*LV | 1%(F) | LV | 1.250.25 x 2.000.25 x 0.400.25 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 2 | 0.50 | 100 |
| MSTC0805MW50-series | MSTC0805 | MnCu alloy | W50 | R003*VLV | 1%(F) | VLV | 1.250.25 x 2.000.25 x 0.400.10 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 3 | 0.50 | 75 |
| MSTC0805MW50-series | MSTC0805 | MnCu alloy | W50 | R003~R020*LV | 1%(F) | LV | 1.250.25 x 2.000.25 x 0.400.25 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 3~20 | 0.50 | 75 (for 3~20m) |
| MSTC1206M1W0-series | MSTC1206 | MnCu alloy | 1W0 | R001~1M50*LV | 1%(F) | LV | 1.600.25 x 3.200.25 x 0.400.25 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 1~20 | 1.00 | 75 (for 1~4m), 50 (for 5~20m) |
| MSTC1206M1W0-series | MSTC1206 | MnCu alloy | 1W0 | R002*LV | 1%(F) | LV | 1.600.25 x 3.200.25 x 0.400.25 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 2 | 1.00 | 75 |
| MSTC1206M1W0-series | MSTC1206 | MnCu alloy | 1W0 | R003~R020*LV | 1%(F) | LV | 1.600.25 x 3.200.25 x 0.400.25 | Sn, Ni, Cu | Epoxy | Epoxy | Flame-retardant epoxy (green) | Flame-retardant epoxy (white) | 3~20 | 1.00 | 75 (for 3~20m) |
Electrical Characteristics
| Part Number | Resistance Value (m) | Power Rating (Watt) | Resistance Tolerance (%) | TCR (ppm/) |
| MSTC0603MW33-series | R002~R020 | 0.33 | 1%(F) | 150 (for 2~5m), 100 (for 6~20m), 75 (for 6~20m) |
| MSTC0805MW50-series | R001~R020*LV | 0.5 | 1%(F) | 150 (for 1~1.5m), 100 (for 2~5m), 75 (for 6~20m), 50 (for higher resistance) |
| MSTC1206M1W0-series | R001~R020*LV | 1.0 | 1%(F) | 75 (for 1~4m), 50 (for 5~20m) |
| MSTC0402MW33-series | 2M50~R025 | 0.33 | 1%(F) | 150 (for 2.5~5m), 100 (for 6~25m) |
| MSTC0402MW25-series | R050 | 0.25 | 1%(F) | 100 |
Product Characteristics and Reliability Test Standard
| 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 = +1552C ; 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 | 6095RH 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%+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 Width: 2mm ; Testboard: Glass Epoxy, Thickness =1.6mm | (1.0%+0.5m) | 60115-1 4.33 |
Environmental Characteristics
- Operating Temperature: -55155
- Storage Conditions: Under airtight at +1040, RH 75% for 2 years. Without dew at +1060, RH = 95% for max. 30 days.
Solder Pad Size and Welding Conditions
| Part Number | P (mm) | W (mm) | D (mm) | Loading |
| MSTC0402MW33-series | 0.35 | 0.60 | 0.60 | 0.33w |
| MSTC0402MW33-series | 0.40 | 0.60 | 0.60 | 0.33w |
| MSTC0402MW25-series | 0.40 | 0.60 | 0.60 | 0.25w |
| MSTC0603MW33-series | 0.38 | 0.92 | 1.41 | 0.33w |
| MSTC0603MW33-series | 0.50 | 0.92 | 1.35 | 0.33w |
| MSTC0603MW33-series | 0.60 | 0.92 | 1.30 | 0.33w |
| MSTC0805MW50-series | 0.40 | 1.44 | 1.60 | 0.5w |
| MSTC0805MW50-series | 0.50 | 1.44 | 1.55 | 0.5w |
| MSTC0805MW50-series | 0.50 | 1.44 | 1.55 | 0.5w |
| MSTC0805MW50-series | 0.80 | 1.44 | 1.40 | 0.5w |
| MSTC1206M1W0-series | 0.50 | 1.84 | 2.15 | 1.0w |
| MSTC1206M1W0-series | 0.60 | 1.84 | 2.10 | 1.0w |
| MSTC1206M1W0-series | 1.20 | 1.84 | 1.80 | 1.0w |
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 temperaturehot air equipment350, 3~5seconds
- Recommended reflow methods: IR, vapor phase oven, hot air oven.
Lot Acceptance Test Requirements
- Visual: No outstandingly stained, unclean, printing errors, or damages.
- Dimensions: All dimensions within specified standards.
- Resistance (Ro): Within specified standard range at 25 (4-wire measurement).
- TCR: Measured according to procedure.
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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