. SMD – Resistor Networks Product: Thick Film Array Chip Resistor-SMRA Series Size: 0402x4 / 0603x4 / 0402x4(Concave) / 0603x4(Concave) 0402x8 official distributor of © by electronic sensor + resistor GmbH Siemensstr. 10 · D – 85521 Ottobrunn contact: www.esr.info · sales@esr.info · Telefon +49 (0) 89 611 808-0 · Telefax +49 (0) 89 611 808-11 (090901) . SMD – Resistor Networks Thick Film Array Chip Resistor- -SMRA Series ► 1. Scope -This specification applies to all sizes of rectangular-type fixed chip resistors with Ruthenium-base as material. ► 2. Features -Small size and light weight -Reduction of assembly costs and matching with placement machines -Reliability, high quality -Suitable for both IR reflow soldering and wave soldering ► 3. Applications -Entertainment -Computer & Related Products -Communication Equipment -Power Equipment -Measuring Instrument ► 4. Construction 9 8 7 3 4 5 6 1 Alumina Substrate 4 Edge Electrode (Ag) 7 Resistor Layer (RuO2/Ag) 2 Bottom Electrode (Ag-Pd) 5 Barrier Layer (Ni) 8 Primary Overcoat (Glass) 3 Top Electrode (Ag) 9 Secondary Overcoat (Epoxy) 6 External Electrode (Sn) 1 2 ► 5. Equivalent Circuit Diagram SMRA-42 / 43 SMRA-82 (R-Type) SMRA-82 (S-Type) ► 6. Dimensions © by electronic sensor + resistor GmbH Siemensstr. 10 · D – 85521 Ottobrunn contact: www.esr.info · sales@esr.info · Telefon +49 (0) 89 611 808-0 · Telefax +49 (0) 89 611 808-11 (090901) . SMD – Resistor Networks S470 SMRA-42 / 43 SMRA-82 SMRAA42 / 43 Unit: mm Type Number of Resistors L W H A B C Y Weight (g) (1000pcs) SMRA-42 4 2.00±0.10 1.00±0.10 0.45±0.10 0.30±0.10 0.50±0.05 0.22±0.15 0.22±0.15 2.817 SMRA-43 4 3.20±0.15 1.60±0.15 0.55±0.10 0.50±0.15 0.80±0.05 0.30±0.15 0.30±0.15 8.288 SMRA-82 8 3.20±0.15 1.60±0.15 0.55±0.10 0.35±0.15 0.64±0.05 0.40±0.15 0.40±0.15 9.026 SMRAA42 4 2.00±0.10 1.00±0.10 0.40±0.10 0.30±0.10 0.50±0.05 0.20±0.10 0.25±0.10 3.003 SMRAA43 4 3.20±0.15 1.60±0.15 0.55±0.10 0.50±0.15 0.80±0.05 0.30±0.15 0.40±0.15 10.115 ► 7. Part Numbering SMRA- 42 F L Product Dimensions Resistance Function Packaging Type (L×W) Tolerance Code Code SMRA(Convex) SMRAA (Concave) 42: 0402x4 43: 0603x4 82: 0402x8 F: ±1% J: ±5% 6 L: 4P2R/8P4R R: 10P8R (R-type) S: 10P8R (S-type) - - - -1K 6: 7” Reel 10Kpcs 7: 7” Reel 5Kpcs A: 10” Reel 10Kpcs B: 10” Reel 20Kpcs C: 13” Reel 40Kpcs D: 13” Reel 20Kpcs F: Bulk Resistance - - - -1K: 1KΩ - - -3K3: 3.3KΩ - - -10K: 10KΩ “-“ to fill up 6 spaces ► 8. Standard Electrical Specifications Item Type SMRA-42 Jumper SMRA-43 Jumper SMRA-82 Jumper SMRAA42 Jumper SMRAA43 Jumper Power Rating / Rated Current 1/16W 1A 1/10W 1A 1/16W 0.5A 1/16W 1A 1/16W 1A Operating Temp. Range Max. Operating Voltage Max. Overload Voltage Number of Resistors -55 ~ +125°C 25V 50V 4 -55 ~ +155°C 50V 100V 4 -55 ~ +125°C 25V 50V 8 -55 ~ +125°C 25V 50V 4 -55 ~ +155°C 50V 100V 4 Resistance Range ±1% ±5% 10Ω - 1MΩ 0Ω (<50mΩ) 10Ω - 1MΩ 0Ω (<50mΩ) 10Ω - 560KΩ 0Ω (<100mΩ) 10Ω - 1MΩ 0Ω (<50mΩ) 10Ω - 1MΩ 0Ω (<50mΩ) TCR (PPM/°C) ±200 ±200 ±200 ±200 ±200 Operating Voltage=√(P*R) or Max. operating voltage Listed above, whichever is lower. Overload Voltage=2.5*√(P*R) or Max. overload voltage Listed above, whichever is lower. © by electronic sensor + resistor GmbH Siemensstr. 10 · D – 85521 Ottobrunn contact: www.esr.info · sales@esr.info · Telefon +49 (0) 89 611 808-0 · Telefax +49 (0) 89 611 808-11 (090901) . SMD – Resistor Networks . 100 Power ratio (%) ► 9. Derating Curve 80 SMRA-43 SMRAA43 60 40 SMRA-42 SMRA-82 SMRAA4 20 0 0 20 40 60 80 100 120 140 160 Ambient Temperature ( ℃ ) ► 10. Soldering Condition IR Reflow Soldering Wave Soldering (Flow Soldering) (1) Time of IR reflow soldering at maximum temperature point 260°C:10s (2) Time of wave soldering at maximum temperature point 260°C:10s (3) Time of soldering iron at maximum temperature point 410°C:5s ► 11. Environmental Characteristics Requirement Item ±1% Temperature Coefficient of Resistance (T.C.R.) As Spec. Short Time Overload ±(1.0%+0.05Ω) ±5% ±(2.0%+0.05Ω) Test Method Jumper SMRA-82 <100mΩ Others <50mΩ Insulation Resistance JIS C 5201-1 4.8 IEC 60115-1 4.8 -55°C~+125/+155°C, 25°C is the reference temperature JIS C 5201-1 4.13 IEC 60115-1 4.13 2.5 times RCWV or Max. overload voltage for 5 seconds JIS C 5201-1 4.6 IEC 60115-1 4.6 ≧10G Max. overload voltage for 1 minute Endurance ±(2.0%+0.10Ω) ±(3.0%+0.10Ω) SMRA-82 <100mΩ Others <50mΩ Damp Heat with Load Dry Heat ±(2.0%+0.10Ω) ±(1.0%+0.05Ω) Bending Strength ±(1.0%+0.05Ω) ±(3.0%+0.10Ω) ±(1.5%+0.10Ω) ±(1.0%+0.05Ω) SMRA-82 <100mΩ JIS C 5201-1 4.25 IEC 60115-1 4.25.1 70±2°C, Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” JIS 5201-1 4.24 Others <50mΩ 40±2°C, 90~95% R.H., Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” SMRA-82 <100mΩ JIS C 5201-1 4.23 IEC 60115-1 2.23.2 Others <50mΩ at +125/+155°C for 1000 hrs SMRA-82 <100mΩ JIS C 5201-1 4.33 IEC 60115-1 4.33 Bending once for 5 seconds with 3mm Others <50mΩ © by electronic sensor + resistor GmbH Siemensstr. 10 · D – 85521 Ottobrunn contact: www.esr.info · sales@esr.info · Telefon +49 (0) 89 611 808-0 · Telefax +49 (0) 89 611 808-11 (090901) . SMD – Resistor Networks Solderability JIS C 5201-1 4.17 IEC 60115-1 4.17 >95% coverage 245±5°C for 3 seconds SMRA-82 <100mΩ JIS C 5201-1 4.18 IEC 60115-1 4.18 Others <50mΩ 260±5°C for 10 seconds Resistance to Soldering Heat ±(0.5%+0.05Ω) Voltage Proof No breakdown or flashover JIS C 5201-1 4.7 IEC 60115-1 4.7 Individual leaching area ≦5% JIS C 5201-1 4.18 IEC 60068-2-58 8.2.1 Total leaching area ≦10% 260±5°C for 30 seconds ±(1.0%+0.05Ω) 1.42 times RCWV (RMS) for 1 minute Leaching Rapid Change of Temperature ±(0.5%+0.05Ω) ±(1.0%+0.05Ω) SMRA-82 <100mΩ JIS C 5201-1 4.19 IEC 60115-1 4.19 Others <50mΩ -55°C to +125/+155°C, 5 cycles Storage Temperature: 25±3°C; Humidity < 80%RH ► 12. Packaging Reel Specifications & Packaging Quantity Unit: mm Type Packaging Quantity Tape width Reel Diameter 10K SMRA-42 SMRAA42 20K Paper SMRA-43 SMRA-82 SMRAA43 40K 5K 8mm 10K 20K ΦA ΦB ΦC W T 7 inch 178.5±1.5 60+1/-0 13.0±0.2 9.0±0.5 12.5±0.5 10 inch 254±1 100±0.5 13.0±0.2 9.5±0.5 13.5±0.5 13 inch 330±1 100±0.5 13.0±0.2 9.5±0.5 13.5±0.5 Paper Tape Specifications Bottom Tape Top Tape ψ D0 E A F B T Paper Tape Resistor P1 P2 P0 W Direction of unreeling © by electronic sensor + resistor GmbH Siemensstr. 10 · D – 85521 Ottobrunn contact: www.esr.info · sales@esr.info · Telefon +49 (0) 89 611 808-0 · Telefax +49 (0) 89 611 808-11 (090901) . SMD – Resistor Networks Unit: mm A Type B W E F P0 P1 P2 T ΦD0 +0.1 −0 SMRA-42 1.20±0.1 2.20±0.1 8.0±0.2 1.75±0.1 3.5±0.05 4.0±0.1 2.0±0.05 2.0±0.05 1.5 0.70±0.1 SMRA-43 1.95±0.1 3.50±0.1 8.0±0.2 1.75±0.1 3.5±0.05 4.0±0.1 4.0±0.05 2.0±0.05 1.5+−00.1 0.85±0.1 SMRA-82 1.95±0.1 3.50±0.1 8.0±0.2 1.75±0.1 3.5±0.05 4.0±0.1 4.0±0.05 2.0±0.05 1.5+−00.1 0.85±0.1 +0.1 −0 SMRAA42 1.20±0.1 2.20±0.1 8.0±0.2 1.75±0.1 3.5±0.05 4.0±0.1 2.0±0.05 2.0±0.05 1.5 0.70±0.1 SMRAA43 1.95±0.1 3.50±0.1 8.0±0.2 1.75±0.1 3.5±0.05 4.0±0.1 4.0±0.05 2.0±0.05 1.5+−00.1 0.85±0.1 ► 13. Marking Jumper for all: Letter “0” 1% for SMRA-42/SMRA-43/SMRAA42/SMRAA43: 4 digits marking (non-including E24 series) Example: Resistance marking 100Ω 1000 2.2KΩ 2201 10KΩ 1002 49.9KΩ 4992 100KΩ 1003 5% for SMRA-42/SMRA-43/SMRAA42/SMRAA43: 3 digits marking in E24 Example: 101=100Ω 102=1KΩ (1st and 2nd are E24 code and 3rd code is multiplier) E24 code 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 56 62 68 75 82 91 5% for SMRA-82: 4 digits marking in E24 Example: R470=47Ω R-type (1st is R-type or S-type, 2nd and 3rd are E24 code, 4th is multiplier) E24 code 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 ► 14. Recommended Land Pattern SMRA-42/43 SMRAA42/43 SMRA-82 Unit: mm P1 Type A B C C1 I I1 P SMRA-42 1.80 2.10 0.30 -- 0.50 -- 0.50 SMRA-43 2.85 3.10 0.45 -- 0.80 -- 0.80 -- SMRA-82 3.20 2.90 0.50 0.35 1.05 0.80 0.70 0.65 SMRAA42 1.80 2.10 0.30 -- 0.50 -- 0.50 -- SMRAA43 2.85 3.10 0.45 -- 0.80 -- 0.80 -- -- © by electronic sensor + resistor GmbH Siemensstr. 10 · D – 85521 Ottobrunn contact: www.esr.info · sales@esr.info · Telefon +49 (0) 89 611 808-0 · Telefax +49 (0) 89 611 808-11 (090901)