Nichrome Resistor Networks on Silicon Substrates S Series: SQSxxA1, SQSxxB, SSNxxA, SSNxxB, SSWxxA, SSWxxB, SPDxxA, SPDxxB Isolated and bussed circuits Thin film resistor network RoHS compliant Not Recommended for New Designs For alternative see SQS - http://www.irctt.com/file.aspx?product_id=214&file_type=datasheet, SPD - http://www.irctt.com/file.aspx?product_id=225&file_type=datasheet, SSN & SSW - http://www.irctt.com/file.aspx?product_id=215&file_type=datasheet Features Precision Nichrome Resistors on Silicon Passivation coating provides protection in humid environments Industry Standard Packaging JEDEC 95 Ratio Tolerances < 0.05% TCR Tracking Tolerances < 5 ppm/C Schematics Electrical2 Standard Resistance Range3 1K ohms to 100K ohms (Isolated) 1K ohms to 30K ohms (Bussed) Resistor Tolerances 0.25% Ratio Tolerances 0.05% TCR TCR table Operating Temperature Range -55C to +125C Interlead Capacitance < 2 pF 10,000 Megohms Insulation Resistance Maximum Operating Voltage 100 Vdc or v PR Noise, Maximum (MIL-STD-202, Method 308) -25 dB Resistor Power Rating at 70C 0.1 Watts 1 xx denotes package pin count. Reference package type section in this data sheet for description. 2 Specifications subject to change without notice. 3 E96 codes available. General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 10.13 Nichrome Resistor Networks on Silicon Substrates S Series: SQSxxA1, SQSxxB, SSNxxA, SSNxxB, SSWxxA, SSWxxB, SPDxxA, SPDxxB Power Derating Curve & Package Power, Watts @ 70C, Max.4 QSOP SOIC (Narrow) SOIC (Wide) P-DIP 16 20 24 8 14 16 16 20 24 8 14 16 0.6 0.7 0.8 0.4 0.7 0.8 1.0 1.2 1.2 0.4 0.6 0.8 Environmental (Mil-R-83401) Thermal Shock plus Power Conditioning R 0.25% Short Time Overload R 0.1% Terminal Strength R 0.1% Moisture Resistance R 0.2% Mechanical Shock R 0.25% Vibration R 0.25% Low Temperature Operation R 0.05% High Temperature Exposure R 0.1% Resistance to Solder Heat Marking Permanency Flammability Storage Temperature Range R 0.1% Per MIL-STD-202, Method 215 UL-94V-0 Rated -55C to +125C Mechanical Lead Plating Lead Material Lead Configuration Lead Coplanarity Substrate Material Resistor Material Body Material 100 matte Tin (RoHS) Copper Alloy Gull Wing 0.004" (0.102 mm) Silicon Passivated Nichrome Molded Epoxy 4 Maximum power per resistor @ 70C is 100 mW, not to exceed package power. General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 10.13 Nichrome Resistor Networks on Silicon Substrates S Series: SQSxxA1, SQSxxB, SSNxxA, SSNxxB, SSWxxA, SSWxxB, SPDxxA, SPDxxB Ordering Information 5 S QS 16 A XXXX F S LF 13 Bulk packaging option: 7=7" Tape & Reel 13 = 13" Tap e & Reel (No Code used for Tubes) Model Series: S = Passivated Nichrome on Silicon Package Type: Lead Finish: LF=Lead Free (RoHS) Lead Count: TCR Code Circuit Type: A=Isolated B=Bussed Tolerance Code Resistance Code Package Type Package Codes Lead count Mechanical Outline QS 16, 20, 24 MO-137 QSOP SOIC Narrow Body SN 8, 14, 16 MS-012 SOIC Wide Body SW 16, 20, 24 MS-013 P-DIP PD 8, 14, 16 MS-001 Resistance 5 First 3 digits are significant. Fourth digit denotes number of trailing zeros. For values less than 100, use "R" to denote a decimal point. Example, 51 and 10000 ohms are coded as 51R0 and 1002 respectively. Standard values follow E96. Resistance Tolerance Accuracy Code at 25C CA CB D FA F G J Absolute Resistance Tolerances (%) 0.25 0.25 0.5 1.0 1.0 2.0 5.0 Ratio Tolerances (R1 Ref) (%) 0.05 0.1 0.1 0.05 1.0 N/A N/A Temperature Coefficient of Resistance (TCR) TCR Code (-55C to 125C) Q P S L Absolute (ppm/C) 25 50 100 200 Tracking (R1 Ref) (ppm/C) 5 5 N/A N/A 5 Contact customer service for custom designs and features General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 10.13 Nichrome Resistor Networks on Silicon Substrates S Series: SQSxxA1, SQSxxB, SSNxxA, SSNxxB, SSWxxA, SSWxxB, SPDxxA, SPDxxB Bulk Packaging Options Quantity Model + Pin Count 7" Reel 13" Reel Tubes SQS16 1000 2500 100 SQS20 1000 2500 50 SQS24 1000 2500 50 SSN08 1000 2500 100 SSN14 500 2500 50 SSN16 500 2500 50 SSW16 500 1500 50 SSW20 500 1500 38 SPD08 N/A N/A 50 SPD14 N/A N/A 25 SPD16 N/A N/A 25 Typical Marking General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 10.13