SSA3921LR001JWR

SSA LITTELFUSE | Alldatasheet

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Current Shunt Resistor Datasheet © 2024 Littelfuse, Inc. Specifications are subject to change without notice. Revised: VL 10/29/24 SSA Series Two-terminal, Metal Type Current Shunt Resistor Littelfuse SSA Series is a two-terminal, ultra-low resistance shunt resistor. The SSA shunt resistors are of suprior quality and are best suited for applications including power hybrid applications, frequency converters, power modules, and communication systems.

Description

■ Imperial sizes 2512, 3921, and 5931 ■ Resistance from 0.2 mΩ~4 mΩ ■ Power up to 15 W ■ Tolerance down to ±1 .0% ■ Temperature Coefficient of Resistance (TCR) down to ±50 ppm/°C ■ Small size ■ High voltage ■ Halogen-free, lead-free and RoHS compliant Features & Benefits ■ Hybrid Power Application ■ Frequency Converter ■ Power Module ■ Communication System Application RoHS Pb Resources Accessories Samples Additional Information Electrical Specifications Part number Size Resitance Value Power (70˚C) Power (100˚C) TCR (ppm/˚C) Standard package Qtyinch mm Ro (mΩ) Rt (%) W W SSA2512L0M20FPR 2512 6432 0.2 ±1 .0% 6 4 ±200 2000 SSA2512L0M25FPR 2512 6432 0.25 ±1 .0% 5 3 ±175 2000 SSA2512L0M30FPR 2512 6432 0.3 ±1 .0% 5 4 ±175 2000 SSA2512L0M50FWR 2512 6432 0.5 ±1 .0% 6 4 ±150 3000 SSA2512LR001FWR 2512 6432 1 ±1 .0% 6 4 ±100 3000 SSA2512LR002FWR 2512 6432 2 ±1 .0% 6 4 ±50 3000 SSA2512LR003FWR 2512 6432 3 ±1 .0% 4 3 ±50 3000 SSA2512LR004FWR 2512 6432 4 ±1 .0% 4 2 ±50 3000 SSA2512L0M20JPR 2512 6432 0.2 ±5.0% 6 4 ±200 2000 SSA2512L0M25JPR 2512 6432 0.25 ±5.0% 5 3 ±175 2000 SSA2512L0M30JPR 2512 6432 0.3 ±5.0% 5 4 ±175 2000 SSA2512L0M50JWR 2512 6432 0.5 ±5.0% 6 4 ±150 3000 SSA2512LR001JWR 2512 6432 1 ±5.0% 6 4 ±100 3000 SSA2512LR002JWR 2512 6432 2 ±5.0% 6 4 ±50 3000 SSA2512LR003JWR 2512 6432 3 ±5.0% 4 3 ±50 3000 SSA2512LR004JWR 2512 6432 4 ±5.0% 4 2 ±50 3000 SSA3921L0M20FWR 3921 50110 0.2 ±1 .0% 9 5 ±150 3000 SSA3921L0M30FWR 3921 50110 0.3 ±1 .0% 10 5 ±150 3000 SSA3921L0M50FWR 3921 50110 0.5 ±1 .0% 9 5 ±70 3000 SSA3921L0M75FWR 3921 50110 0.75 ±1 .0% 8 5 ±70 3000 SSA3921LR001FWR 3921 50110 1 ±1 .0% 7 4 ±50 3000 SSA3921LR002FWR 3921 50110 2 ±1 .0% 6 4 ±50 3000 SSA3921LR003FWR 3921 50110 3 ±1 .0% 6 3 ±50 3000 SSA3921LR004FWR 3921 50110 4 ±1 .0% 5 2,5 ±50 3000 SSA3921L0M20JWR 3921 50110 0.2 ±5.0% 9 5 ±150 3000 SSA3921L0M30JWR 3921 50110 0.3 ±5.0% 10 5 ±150 3000 SSA3921L0M50JWR 3921 50110 0.5 ±5.0% 9 5 ±70 3000 SSA3921L0M75JWR 3921 50110 0.75 ±5.0% 8 5 ±70 3000

Current Shunt Resistor Datasheet © 2024 Littelfuse, Inc. Specifications are subject to change without notice. Revised: VL 10/29/24 SSA Series Two-terminal, Metal Type Current Shunt Resistor Electrical Specifications T emperature De-rating Curves Storage / Environment Conditions Products should be stored under the following environmental conditions. T emperature: +5 to +35 °C Humidity: 45 to 85% relative humidity Moisture Sensitivity Level 1, J-STD-020 Do not keep products in environments where they may be subject to particulate contamination or harmful gases such as sulfuric acid or hydrogen chloride as it may cause oxidization on electrodes, resulting poor solderability. Products should be stored in a space that does not expose to high temperatures, vibration, or direct sunlight. Products should be stored in the original airtight packaging until use. -55 0 100 Ambient Temperature (ºC) Rated Power (%) 70 80 120 160 170 200 -55 0 100 Ambient Temperature (ºC) Rated Power (%) 10080 120 160 170 Terminal Temperature at 70°C Terminal Temperature at 100°C Part number Size Resitance Value Power (70˚C) Power (100˚C) TCR (ppm/˚C) Standard package Qtyinch mm Ro (mΩ) Rt (%) W W SSA3921LR001JWR 3921 50110 1 ±5.0% 7 4 ±50 3000 SSA3921LR002JWR 3921 50110 2 ±5.0% 6 4 ±50 3000 SSA3921LR003JWR 3921 50110 3 ±5.0% 6 3 ±50 3000 SSA5931L0M20FDR 5931 75150 0.2 ±1 .0% 15 10 ±125 1500 SSA5931L0M30FDR 5931 75150 0.3 ±1 .0% 10 7 ±100 1500 SSA5931L0M50FDR 5931 75150 0.5 ±1 .0% 8 6 ±100 1500 SSA5931L0M70FDR 5931 75150 0.7 ±1 .0% 7 4 ±100 1500 SSA5931L0M75FDR 5931 75150 0.75 ±1 .0% 7 4 ±100 1500 SSA5931LR001FDR 5931 75150 1 ±1 .0% 10 7 ±50 1500 SSA5931LR002FDR 5931 75150 2 ±1 .0% 8 6 ±50 1500 SSA5931LR003FDR 5931 75150 3 ±1 .0% 7 4 ±50 1500 SSA5931L0M20JDR 5931 75150 0.2 ±5.0% 15 10 ±125 1500 SSA5931L0M30JDR 5931 75150 0.3 ±5.0% 10 7 ±100 1500 SSA5931L0M50JDR 5931 75150 0.5 ±5.0% 8 6 ±100 1500 SSA5931L0M70JDR 5931 75150 0.7 ±5.0% 7 4 ±100 1500 SSA5931L0M75JDR 5931 75150 0.75 ±5.0% 7 4 ±100 1500 SSA5931LR001JDR 5931 75150 1 ±5.0% 10 7 ±50 1500 SSA5931LR002JDR 5931 75150 2 ±5.0% 8 6 ±50 1500 SSA5931LR003JDR 5931 75150 3 ±5.0% 7 4 ±50 1500

Current Shunt Resistor Datasheet © 2024 Littelfuse, Inc. Specifications are subject to change without notice. Revised: VL 10/29/24 SSA Series Two-terminal, Metal Type Current Shunt Resistor Time Temperature TP TL TS(max) TS(min) tP tL tS time to peak temperature PreheatPreheat Ramp-upRamp-up Ramp-downRamp-dow Critical Zone TL to TP Critical Zone TL to TP Profile Feature Pb-Free Assembly Average Ramp-Up Rate (Tsmax to Tp) 3 ºC / second Max. Preheat T emperature Minimum (Tsmin) 150 ºC T emperature Maximum (Tsmax) 200 ºC Time (Tsmin to (Tsmax) 60–180 seconds Time maintained above T emperature Minimum (TL) 217 ºC Time (tL) 60–150 seconds Peak T emperature (TP) 260 +0 ºC Time within 5 ºC of Actual Peak T emperature (tp) 20–40 seconds Ramp-Down Rate 6 ºC / second Max. Time 25 ºC to Peak T emperature 8 minutes Max. Soldering Parameters–Wave Soldering T est Procedure Specifications Resistance Data Resistance data at 25 °C Must meet datasheet requirements TCR Data Tested at 25 °C and 125 °C TCR = (Rb-Ra) / Ra × 1 / (Tb-Ta) × 10 6 Must meet datasheet requirements Dimensional Data Measure all dimensions specified in datasheet Must meet datasheet requirements Short Time Overload JIS-C-5201, 4.13 Applied voltage: 2.5X rated voltage. Test duration: 5 seconds ±1 .0% Operational Life MIL -STD-202, Method 108 Condition D Steady State TA =125 °C at rated power Test period: 1,000 hours ±1 .0% Biased Humidity MIL -STD-202, Method 103 Test Condition: 85 °C / 85% RH 10% of operating power Test period: 1,000 hours ±1 .0% T emperature Cycle (Thermal Shock) JESD22-A-104 Repeat 1,000 cycles as follows: Transition time of 1 minute maximum ±1 .0% Resistance T o Solder Heat J-STD-020 One reflow cycle according to JEDEC J-STD-020, cool down then parts are immersed into a molten solder bath with a temperature of 260 °C for a period of 10 ±1 seconds Part must meet initial specifications following testing High T emperature Exposure MIL -STD-202, Method 108, Condition D Test Temperature: Maximum rated operational temperature Test period: 1,000 hours No electrical load ±1 .0% Vibration MIL -STD-202, Method 204, Condition B Frequency: 10–2,000 Hz Acceleration: 15G Test Duration: 20 mins / 12 Cycles ±1 .0% Mechanical Shock IEC60115-1, 4.21 Force: 100G Test Duration: 6 ms ±1 .0% Solderability MIL -STD-202, Method 208H, Category 3 Dipped into molten solder for 3 ±1 seconds at 245 °C Flux activity type R0 New solder coverage of 90% minimum Reliability Specifications

Current Shunt Resistor Datasheet © 2024 Littelfuse, Inc. Specifications are subject to change without notice. Revised: VL 10/29/24 SSA Series Two-terminal, Metal Type Current Shunt Resistor Dimensions All dimensions in mm Part Number Resistance Value W L H A D Tmax SSA2512 0.2mΩ 1 .40 ± 0.30 2.10 0.25mΩ 1 .10 ± 0.30 1 .80 0.3mΩ 1 .40 ± 0.30 2.10 0.5mΩ 0.90 ± 0.20 1 .50 1mΩ 0.40 ± 0.10 1. 10 2mΩ 0.70 ± 0.20 1 .30 3mΩ 0.50 ± 0.10 1. 10 4mΩ 0.30 ± 0.10 1. 0 0 SSA3921 0.2mΩ 1 .40 ± 0.30 2.20 0.3mΩ 1 .30 ± 0.30 2.10 0.5mΩ 0.80 ± 0.20 1 .60 0.75mΩ 0.60 ± 0.20 1 .40 1mΩ 0.40 ± 0.10 1 .20 2mΩ 0.60 ± 0.20 1 .40 3mΩ 0.30 ± 0.10 1 .20 4mΩ 0.30 ± 0.10 1. 10 SSA5931 0.2mΩ 1 .40 ± 0.30 2.20 0.3mΩ 1 .10 ± 0.30 2.00 0.5mΩ 0.60 ± 0.20 1 .40 0.7mΩ 0.40 ± 0.10 1 .20 0.75mΩ 0.40 ± 0.10 1 .20 1mΩ 1 .10 ± 0.30 1 .90 2mΩ 0.50 ± 0.10 1 .30 3mΩ 0.30 ± 0.10 1. 10 L W D H A RXXX Marking is 4 digits (RXXX or XMXX) Tmax

Current Shunt Resistor Datasheet © 2024 Littelfuse, Inc. Specifications are subject to change without notice. Revised: VL 10/29/24 SSA Series Two-terminal, Metal Type Current Shunt Resistor Recommended Land Pattern Part Number Resistance P D W SSA2512 0.2 mΩ~4 mΩ 3.60 mm 1 .60 mm 3.40 mm SSA3921 0.2 mΩ~4 mΩ 5.60 mm 2.70 mm 6.20 mm SSA5931 0.2 mΩ~3 mΩ 5.60 mm 5.20 mm 8.75 mm Part Numbering System SSA 2512 L R001 F W R Series Quantity Code Tolerance Code Packaging CodeSize Resistance Value Code Littelfuse Surface Mount CSR 4 digit code for all values. R or M denotes decimal position as necessary 2512, 3921, 5931 D = 1500 P = 2000 W = 3000 F = ±1% J = ± 5% R = Tape and Reel Part Number Resistance Value (Ω) Halogen Free Packaging Option Quantity Quantity & Packaging Codes SSA2512 0.2 mΩ~0.3 mΩ Ye s Tape and Reel 2000 PR 0.5 mΩ~4 mΩ Ye s Tape and Reel 3000 WR SSA3921 0.2 mΩ~4 mΩ Ye s Tape and Reel 3000 WR SSA5931 0.2 mΩ~3 mΩ Ye s Tape and Reel 1500 DR Packaging Note: Provisions must be made to ensure that the part does not exceed the maximum operating temperature in the customers application.

Current Shunt Resistor Datasheet © 2024 Littelfuse, Inc. Specifications are subject to change without notice. Revised: VL 10/29/24 SSA Series Two-terminal, Metal Type Current Shunt Resistor Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at http://www.littelfuse.com/disclaimer-electronics. Note: Tape and reel packaging in accordance to EIA-481 T ape and Reel Specifications A N F E P B0 P0 P2 W T Size Resistance (Ω) W (mm) (mm) P (mm) (mm) (mm) (mm) (mm) F (mm) E (mm) T (mm) (mm) (mm) 2512 1mΩ, 3mΩ, 3921 5931 0.2mΩ~0.3mΩ, 0.5mΩ~0.75mΩ, Size Resistance Value (Ω) A±5 (mm) N±2 (mm) W1±1 (mm) 2512 0.3 mΩ~4.0 mΩ 178 60 13.0 3921 0.2 mΩ~4.0 mΩ 330 100 24.5 5931 0.2 mΩ~3.0 mΩ 330 100 24.5