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Specifications
Power(Watts):
330mW
Resistance:
10mΩ
Voltage Rating:
-
Type:
Current Sense Resistor
Tolerance:
±1%
Mfr. Part #:
MSTC0402MW33R010F
Package:
0402
Key Attributes
Model Number:
MSTC0402MW33R010F
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.
2410121317_Walter-Elec-MSTC0402MW33R010F_C970974.pdf
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