Current Sensing Resistor Walter Elec MSH2512N2W0R002F Metal Strap Design High Power 2W Alloy Material
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Product Description
MSH2512 Series Current Sensor Resistor
The MSH2512 series are pure metal, two-terminal, high-power current sensing resistors featuring a metal strap design. They are designed for applications requiring precise current measurement.
Product Attributes
- Brand: MSH
- Material: Alloy (Resistive element), Ni/Sn (Terminal electrode), Flame-retardant epoxy (Protective coating)
- Color: Black (Protective coating)
- Certifications: UL-94-V0 (Protective coating)
Technical Specifications
| Part Number Series | Size | Material | Power Rating | Nominal Resistance Value | Resistance Tolerance | TCR (ppm) | Dimensions (mm) (W x L x T x A) |
| MSH2512N2W0-series | 0.25x0.12 | Alloy | 2W | R001~R010 (1m to 10m) | 1%(F), 2%(G), 3%(H), 5%(J) | 100 (1-3m), 75 (4-10m) | 3.200.20 x 6.400.20 x 1.200.2 x 0.800.20 |
| MSH2512N3W0-series | 0.25x0.12 | Alloy | 3W | R001~R010 (1m to 10m) | 1%(F), 2%(G), 3%(H), 5%(J) | 100 (1-3m), 75 (4-10m) | 3.200.20 x 6.400.20 x 1.200.2 x 0.800.20 |
Electrical Characteristics
| Parameter | Conditions | Requirements | Test Method |
| Short Time Over Load | 2W: R001: P=3Pr; T=252C, t=5sec. 2W: R002~R010: P=5Pr; T=252C, t=5sec. 3W: P=3Pr; 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 | 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. +150C 30min. R.T. 3min ], 100Cycles | (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=2655C, 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 Width=2mm; Test board=Glass-Epoxy, Thickness=1.6mm | (1.0%+0.5m) | IEC60115-1 4.33 |
Environmental Characteristics
Operating Temperature: -55170
Storage Conditions: 2 years under airtight at +1040, RH 75%. Max. 30 days without dew at +1060, RH=95%.
Solder Pad Size and Welding Conditions
| Part Number Series | P (mm) | W (mm) | D (mm) | t (m) | Loading (W) |
| MSH2512N2W0-series | 3.18 | 3.57 | 2.11 | 105 | 2.0W |
| MSH2512N3W0-series | 3.18 | 3.57 | 2.11 | 105 | 3.0W |
Recommended Customer Soldering Parameters:
Wave Solder:
- Preheating: 100~130, max.100 sec.
- Soldering: 250~265 max. 10 sec.
- Maximum temperature: 2605, max. 10sec.
Solder Reflow:
- Preheating: 145 15, max.120 sec.
- Soldering: min. 220, max. 60 sec.
- Maximum temperature: 2605, max. 10sec.
Rework (hot air equipment): 350, 3~5seconds
Lot Acceptance Test Requirements
- Visual: No outstanding stains, dirt, printing errors, or damage.
- Dimensions: All dimensions within specified limits.
- Resistance (Ro): Within specified limits at 25 (4-wire measurement).
- TCR: Within specified limits.
- Insulation Resistance (Ri): 100M (between protective layer and resistive body).
Packaging Information
| Type Number | Quantity (pcs) | Weight (g) | Reel Diameter A5 (mm) | Hub Diameter N2 (mm) | Reel Width W11 (mm) |
| MSH2512N2W0-series | 1,500 | 26525 | 178 | 60 | 13 |
| MSH2512N3W0-series | 1,500 | 26525 | 178 | 60 | 13 |
Peeling Strength of Seal Tape: 0.1 1.0N (10 - 100gf)
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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