MSH 2512 Series Current Sensor Resistor
The MSH 2512 series are pure metal, short electrode, two-terminal, high-power current sensing resistors designed for precise current measurement. They utilize a metal alloy resistive element with nickel/tin terminals and a flame-retardant epoxy coating meeting UL-94-V0 requirements.
Product Attributes
- Brand: MSH
- Material: Metal 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 (L x W) | Power Rating (Watt) | Nominal Resistance Value (m) | Resistance Tolerance (%) | TCR (ppm) | Dimensions (L x W x T) (mm) | Terminal Electrode | Operating Temperature Range () |
|---|---|---|---|---|---|---|---|---|
| MSH2512N2W0-series | 0.25 x 0.12 | 2.0 | R001~R010 (1~10) | 1% (F), 2% (G), 3% (H), 5% (J) | 100 (1~3 m), 75 (4~10 m) | 6.400.20 x 3.200.20 x 1.200.2 | Ni, Sn | -55 ~ 170 |
| MSH2512N3W0-series | 0.25 x 0.12 | 3.0 | R001~R010 (1~10) | 1% (F), 2% (G), 3% (H), 5% (J) | 100 (1~3 m), 75 (4~10 m) | 6.400.20 x 3.200.20 x 1.200.2 | Ni, Sn | -55 ~ 170 |
Reliability Test Standards
| Test Parameter | Conditions | Acceptance Criteria | Reference Standard |
|---|---|---|---|
| Short Time Over Load | 2W: R001: P=3Pr, T=252, t=5sec; R002~R010: P=5Pr, T=252, t=5sec. 3W: P=3Pr, T=252, t=5sec. | (1.0%+0.5m) | IEC60115-1 4.13 |
| High Temp. Exposure | T=+1702, t=1000h | (1.0%+0.5m) | IEC60115-1 4.25 |
| Low Temp. Storage | T=-552, t=1000h | (1.0%+0.5m) | IEC60115-1 4.25 |
| Moisture Load Life | Vtest=Vmax, T=602, RH=95%, t=90min ON, 30min OFF, 1000h | (2.0%+0.5m) | IEC60115-1 4.25 |
| Thermal Shock | [-55 30min. R.T. 3min. +150 30min. R.T. 3min ], 100 Cycles | (1.0%+0.5m) | IEC60115-1 4.19 |
| Load Life at 70 | Vtest=Vmax, T=702, t=90min ON, 30min OFF, 1000h | (2%+0.5m) | IEC60115-1 4.25 |
| Solderability | Dip into solder at T=2455, t=30.5sec. | The covered area >95% | IEC60115-1 4.17 |
| Resistance to Solder Heat | Through Reflow T=2655, 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 |
Soldering Pad & Conditions
| Part Number Series | P (mm) | W (mm) | D (mm) | t (m) | Loading (W) |
|---|---|---|---|---|---|
| MSH2512N2W0-series | 3.18 | 3.57 | 2.11 | 105 | 2.0 |
| MSH2512N3W0-series | 3.18 | 3.57 | 2.11 | 105 | 3.0 |
Recommended Wave Solder Temperature Profile: Preheating: 100~130, max.100 sec. Soldering: 250~265 max. 10 sec. Max. Temperature: 2605, max. 10sec.
Recommended Solder Reflow Temperature Profile: Preheating: 145 15, max.120 sec. Soldering: min. 220, max. 60 sec. Max. Temperature: 2605, max. 10sec.
Rework (Hot Air): 350, 3~5 seconds.
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).
2409271832_Walter-Elec-MSH2512N2W0R008F_C475782.pdf
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