Precision Resistor Network (Conformally Coated) Composition of Type Number SE SS Example: SE 004A 1K000 8K000 B A 2 1 5 6 4 Resistance Value (Rn) 5 Resistance Tolerance (Absolute) 6 Resistance Tolerance (Matching) 1 Type 2 Circuit Symbol 3 Resistance Value (R1) SF 4 3 Specify all values for R1 to Rn Configuration Type SS SE, SF T W SF SS L 29.00.5 14.00.5 7.50.5 to 16.50.5 W 12.00.5 10.00.5 7.60.5 2.20.5 2.70.5 51 t a a b SE T W L T L t 0.250.05 b t 0.30.05 1.00.05 a b 0.50.5 0.650.05 0.40.05 c F c Dimensions in mm TCR, Resistance Range, Tolerance, Rated Power Type SE SF 05 Resistance Range Element () Maximum Resistance Value Package () 30 to 120k 600k 30 to 120k 240k 30 to 20k 100k SS Power Derating Curve Resistance Tolerance (%)** Absolute Matching 0.05 (A) 0.1 (B) 0.5 (D) 1 (F) 0.01 (T) 0.02 (Q) 0.05 (A) 0.1 (B) 0.5 (D) 1 (F) Rated Power/Package (W) at 70C 1 (%) 100 egatnecreP rewoP detaR TCR (ppm/C)* -25C to +125C Muitiples of 2.54 F F 80 60 0.5 0.5 *TCR tracking is dependent on resistance ratio. See table 1 on page 32. **Symbols parenthesized are for type number composition. 40 20 70 125 20 40 60 80 100 120 140 (C) Ambient Temperature Performance Parameters Test Condition Maximum Rated Operating Temperature Working Temperature Range Temperature Cycling Low Temperature Storage Overload Terminal Strength -25C/30 min., Room Temperature/5 min., +125C/30 min., 5 cycles -25C, No Load, 2 hrs. Rated Voltage x 2.5, 5 sec. 0.51kg (1.123 pounds),10 sec. Dielectric Withstanding Voltage Insulation Resistance Resistance to Soldering Heat Moisture Resistance Atmospheric: AC 300V, 1 min. DC 100V, 1 min. 350C, 3 sec. +65C to -10C, 90% RH to 98% RH, Rated Voltage, 10 cycles (240 hrs.) Shock Vibration Life (Rated Load) 50G, 11ms., Half-Sine Wave, X, Y, Z, each 3 shocks 20G, 10Hz to 55Hz to 10Hz, 1 min., X, Y, Z, each 2 hrs. Life (Moisture Load) 40C, 90% RH to 95% RH, Rated Power, 1.5 hrs. - ON, 0.5 hr. - OFF, 1,000 hrs. 70C, Rated Power, 1.5 hrs. - ON, 0.5 hr. - OFF, 1,000 hrs. ALPHA Specification R Ratio 0.05% 0.05% 0.05% 0.05% 0.03% ALPHA Typical Test Data R Ratio 70C -25C to +125C 0.01% 0.01% 0.01% 0.005% 0.01% 0.0025% 0.01% 0.005% 0.005% 0.01% over 10,000M 0.01% 0.03% 0.05% 0.1% 0.01% 0.03% 0.01% 0.03% 0.1% 0.1% 0.05% 0.05% 0.005% 0.0025% 0.001% 0.0025% 0.0025% over 10,000M 0.0025% 0.005% 0.005% 0.03% 0.0025% 0.005% 0.0025% 0.005% 0.01% 0.01% 0.005% 0.005% High Temperature Exposure 125C, No Load, 1,000 hrs. 0.1% 0.05% 0.01% 0.005% Storage Life 15C to 35C, 15% RH to 75% RH, No Load, 10,000 hrs. 0.05% 0.03% 0.005% 0.0025% 34 Ultra-Precision Resistor Network Resistor networks from Alpha Electronics, specialists in precision resistors, featuring metal foil technology, provide excellent performance in TCR tracking, resistance ratio matching and stability. Characteristics 1 Temperature Characteristics of Resistance: 05ppm/C 2 TCR Tracking: 1ppm/C 3 Resistance Ratio Matching: 0.01% 4 Resistance Stability: 0.005%/year Standard Circuit Circuit A (Array) Circuit Symbol 002A Circuit B (Independent) Circuit Symbol 003A Composition of Circuit Symbol Example : 008A 0 02 A Circuit C (Divider) Circuit Symbol 002B 003B 002C 003C Circuit Symbol Number of Resistance Elements Generic Number 005B 010C Circuit E (A Circuit Divided into Two) Circuit F (C Circuit Divided into Two) Circuit Symbol Circuit Symbol 103E 104E 103F 108E 104F 109F Circuit Symbol Circuit Symbol 204E 205E 204F 208E 205F 209F Circuit Symbol Circuit Symbol 306E 307E 306F 308E 307F 309F Circuit Symbol Circuit Symbol 408F 408E 409F Composition of Circuit Symbol Example : Composition of Circuit Symbol Example : 1 03 E 1 03 F Circuit Symbol Number of Resistance Elements Generic Number Circuit Symbol Number of Resistance Elements Generic Number Circuits other than listed are available. Resistance Range and Number of Elements Mountable CaseEncapsulated Type Type Table 1. Temperature Characteristics of Resistance Conformally Coated Type TCR (ppm/C) -55C to +125C Tracking Absolute SC SE SF SS Maximum Resistance Value/Element () 120k 120k 120k 20k Minimum Resistance Value/Element () Maximum Resistance Value/Package () 30 1,200k 30 600k 30 240k 30 100k Circuit A 8 4 Circuit B Circuit C 5 10 5 5 Circuit E Circuit F 8 9 5 Maximum Number of Network Elements 32 5 2 2 3 5 4 4 05 Resistance Ratio (R max./R min.) TCR Tracking Available 1< = R max./R min. < =10 1 =100 10<R max./R min. < 100<R max./R min. 2 3