MST

MST EATON | Alldatasheet

Document overview

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Technical content

SMD current sensing resistor- metal strip Pb HALOGEN HFFREE T able 1. Part numbering configuration scheme MST xxxx Rxxxx * ? M Family name MST Footprint EIA option 0603, 0805 Resistance option Rxxxx = xxx.x mΩ ex: R0010 = 1.0 mΩ Metal material option M = MnCu Power rating option S = 1/2 W, I = 3/4 W Resistance tolerance option F = ±1% Product features

• Low sensing resistance
• 0603 (1608 metric) to 0805 (2013 metric)
• High power dissipation
• Moisture sensitivity level (MSL): 1

Applications

• Switched-mode power supply (SMPS)
• Voltage regulator module
• Power management
• Stepper motor drives Environmental compliance See electrical specification table for option details

SMD current sensing resistor- metal strip www.eaton.com/electronics Mechanical parameters- Inches [mm] Recommended PCB layout- mm Family Size code L W d T MST0603 R = 1 0603 [1608] 0.063 ± 0.006 [1.60 ± 0.15] 0.031 ± 0.008 [0.08 ± 0.20] 0.024 ± 0.008 [0.60 ± 0.20] 0.016 ± 0.004 [0.40 ± 0.10] MST0603 R > 1 0603 [1608] 0.063 ± 0.006 [1.60 ± 0.15] 0.031 ± 0.008 [0.08 ± 0.20] 0.014 ± 0.008 [0.35 ± 0.20] 0.016 ± 0.004 [0.40 ± 0.10] MST0805 R ≤ 2 0805 [2013] 0.081 ± 0.006 [2.05 ± 0.15] 0.051 ± 0.008 [1.30 ± 0.20] 0.014 ± 0.008 [0.35 ± 0.20] 0.016 ± 0.004 [0.40 ± 0.10] MST0805 R > 2 0805 [2013] 0.081 ± 0.006 [2.05 ± 0.15] 0.051 ± 0.008 [1.30 ± 0.20] 0.014 ± 0.008 [0.35 ± 0.20] 0.010 ± 0.004 [0.25 ± 0.10] Construction Family Resistance (mΩ) A L B MST0603 R = 1 1.0 0.45 0.75 MST0603 R > 1 1.0 0.80 0.75 MST0805 1.5 ≤ R ≤ 3 1.4 0.80 1.2 1. The copper foil minimum thickness of PCB needs 3 oz. 2. PCB layout dimension tolerance is +/-0.1 mm. 3. The resistance will change slightly after soldered; it is dependent on PCB pad size deign and it’s necessary to consider the effect of the resistance increase or decrease. Part marking Family Marking MST0603 No marking MST0805

SMD current sensing resistor- metal strip www.eaton.com/electronics Electrical specifications Part number Size Resistance value mΩ (Part number code) Resistance tolerance (Part number code) Power rating (Part number code) TCR (ppm/°C) Operating temperature MST0603Rxxxx*?M 0603 (1608 metric) 1 (0010) ±1% (F) 1/2 W (S) ± 50 -55 °C to +155 °C MST0603Rxxxx*?M 0603 (1608 metric) 2 (0020) ±1% (F) 1/2 W (S) ± 50 -55 °C to +155 °C MST0805Rxxxx*?M 0805 (2013 metric) 1.5 (0015) ±1% (F) 3/4 W (I) ± 50 -55 °C to +155 °C MST0805Rxxxx*?M 0805 (2013 metric) 2 (0020) ±1% (F) 3/4 W (I) ± 50 -55 °C to +155 °C MST0805Rxxxx*?M 0805 (2013 metric) 3 (0030) ±1% (F) 3/4 W (I) ± 50 -55 °C to +155 °C Rxxxx = Enter resistance code option from table above xxxx= resistance code (xxx.x mΩ ex: R0010 = 1.0 mΩ) *= Enter resistance tolerance code option from table above (F= ±1%) ?= Enter power rating code option from table above (S = 1/2W, I = 3/4W) M= MnCu (Metal material) Packaging information- mm Supplied in tape and reel on a 7 .0” diameter reel (EIA-481 compliant) T ape carrier and dimensions Reel dimensions-mm Dimension 0603 0805 D0 1.50 ± 0.1 1.50 ± 0.1 Size A B C D N W1 W2 W3 Size Tape Quantity 0603 7 inch paper 5K 0805 7 inch paper 5K

SMD current sensing resistor- metal strip www.eaton.com/electronics General specifications Temperature coefficient of resistance: IEC 60115-1 4.8 JIS-C5201-4.8 +25 ° to +125 °C Short time overload: IEC60115-1-4.13 JIS-C5201-4.13 5 X rated power for 5 s Load life with humidity: IEC60115-1-4.24 JIS-C5201-4.24 1000 hours at rated power , +40 °C ± 2 °C, 90~95% RH 1.5 hours “ON “, 0.5 hours “OFF” Temperature cycling: IEC60115-1-4.19 JIS-C5201-4.19 -55 °C (30 minutes ) / +125 °C (30 minutes ) 1000 cycles Resistance to soldering heat: IEC60115-1-4.18 JIS-C5201-4.18 +260 °C ± 5 °C solder , 10 seconds ± 1 second dwell . Solderability: IEC60115-1-4.17 JIS-C5201-4.17 +245 °C ±5 °C solder, 2 seconds ±0.5 seconds dwell. Board flex: IEC60115-1-4.33 JIS-C5201-4.33 Bending width 2 mm High temperature exposure: IEC60115-1-4.23.2 JIS-C5201-4.23.2 +155 °C , 1000 hours Low temperature storage: EC60115-1- 4.23.4 JIS-C5201-4.23.4 -55 °C, 1000 hours Insulation Resistance: IEC60115-1-4.6 JIS-C5201-4.6 100 V DC for 1 minute T emperature derating curve Rated power in % T emperature (°C) Rated current & voltage The rated Current and Voltage are calculated by the following formula: I: Rated current (A) P: Rated power (W) V: Rated voltage (V) R: Resistance value (Ω)

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Cleveland, OH 44122 United States Eaton.com/electronics © 2022 Eaton All Rights Reserved Printed in USA Publication No. ELX1184 BU-ELX22044 June 2022 Technical Data ELX1 184 Effective April 2022 MST SMD current sensing resistor- metal strip Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Solder reflow profile Temperature t tP ts TC -5°C Time 25°C to Peak Time 25°C Tsmin Tsmax TL TP Preheat A Max. Ramp Up Rate = 3°C/s Max. Ramp Down Rate = 6°C/s Eaton is a registered trademark. All other trademarks are property of their respective owners. Follow us on social media to get the latest product and support information. Reference J-STD-020 Profile feature Standard SnPb solder Lead (Pb) free solder Preheat and soak • Temperature min. (Tsmin) 100 °C 150 °C

• Temperature max. (Tsmax) 150 °C 200 °C
• Time (Tsmin to Tsmax) (ts) 60-120 seconds 60-150 seconds Ramp up rate TL to Tp 3 °C/ second max. 3 °C/ second max. Liquidous temperature (Tl) Time (tL) maintained above TL 183 °C 60-150 seconds 217 °C 60-120 seconds Peak package body temperature (TP)* Table 1 Table 2 Time (tp)* within 5 °C of the specified classification temperature (T c) 20 seconds* 10 seconds* Ramp-down rate (Tp to TL) 6 °C/ second max. 6 °C/ second max. Time 25 °C to peak temperature 6 minutes max. 8 minutes max. * Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum. Table 1 - Standard SnPb solder (Tc) Package thickness Volume mm3 <350 Volume mm3 ≥350 <2.5 mm 235 °C 220 °C ≥2.5 mm 220 °C 220 °C Table 2 - Lead (Pb) free solder (Tc) Package thickness Volume mm3 <350 Volume mm3 350 - 2000 Volume mm3 >2000 <1.6 mm 260 °C 260 °C 260 °C 1.6 – 2.5 mm 260 °C 250 °C 245 °C >2.5 mm 250 °C 245 °C 245 °C