platinum thin film thermal sensors features Stable characteristic
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SDT101
platinum thin film thermal sensors
features Stable characteristics even long time with excellent environment resistance Marking: Ivory coating SDT101A Transparent brown coating SDT101B Products with lead-free terminations meet RoHS China RoHS requirements
circuit protection
dimensions construction
Platinum Ceramic Thin Film Core
Type SDT101A SDT101B
Dimensions inches (mm) (Nom.)
.157±.031 .063±.008 .016±.003 1.18±.118 (4.0±0.8) (1.6±0.2) (0.4±0.08) (30±3) .157±.031 .059±.008 .016±.003 1.18±.118 (4.0±0.8) (1.5±0.2) (0.4±0.08) (30±3)
Marking only)
Trimming Line
Electrode Lead Wire
Insulation Coating
ordering information
Part SDT101 Type Temperature Range -55°C~+150°C -55°C~+300°C Reference Temperature 25°C* Terminal Surface Material SnCu only) only) Taping Nil: Bulk T26: 26mm taping only) T52: 52mm taping only) Packaging Nil: Bulk AMMO only) Nominal Resistance 100: 500: Resistance Tolerance ±0.5% T.C.R. Tolerance
Products resistances measures 25°C also available. (But T.C.R.s will measured 0°C/100°C.) Consult factory.
applications ratings
Part Designation Power Rating 70°C* Thermal Time Constant* seconds 0.125W SDT101B seconds 1.8mW/°C Thermal Dissipation Constant* 2.8mW/°C 100, ±0.5% 3500 +200C Resistance Range Resistance Tolerance T.C.R. (ppm/°C) T.C.R. Tolerance (ppm/°C) Rated Operating Ambient Temperature Temperature Range +70C -55°C +150°C -55°C +300°C
SDT101A
Thermal time constant thermal dissipation constant reference values, which values elements vary with connecting fixing methods. T.C.R. measuring temperature: 0°C/+100°C
Specifications given herein changed time without prior notice. Please confirm technical specifications before order and/or use.
11/20/08
Speer Electronics, Inc. Bolivar Drive Bradford, 16701 814-362-5536 Fax: 814-362-8883 www.koaspeer.com
SDT101
platinum thin film thermal sensors environmental applications Derating Curve
Percent Rated Power
100120 140160 220240260280
Resistance Temperature Characteristic (Typical Value)
SDT101B SDT101A
Temperature (°C)
82.04 85.66 89.26 92.85 96.43 100.00
81.67 85.29 88.90 92.49 96.07 99.64
81.31 84.93 88.54 92.13 95.72 99.29
80.94 84.57 88.18 91.78 95.36 98.93
80.58 84.21 87.82 91.42 95.00 98.57
80.22 83.85 87.46 91.06 94.64 98.22
83.49 87.10 90.70 94.29 97.86
83.12 86.74 90.34 93.93 97.50
82.76 86.38 89.98 93.57 97.15
82.40 86.02 89.62 93.21 96.79 circuit protection
100.00 103.56 107.10 110.63 114.15 117.65 121.15 124.63 128.10 131.56 135.00 138.43 141.85 145.26 148.65 152.04 155.41 158.77 162.11 165.45 168.77 172.08 175.37 178.99 181.93 185.19 188.44 191.67 194.90 198.11 201.31
100.36 103.91 107.45 110.98 114.50 118.00 121.50 124.98 128.44 131.90 135.34 138.77 142.19 145.60 148.99 152.38 155.74 159.10 162.45 165.78 169.10 172.41 175.70 176.99 182.26 185.52 188.76 192.00 195.22 198.43 201.62
100.71 104.26 107.81 111.33 114.85 118.35 121.84 125.32 128.79 132.25 135.69 139.12 142.53 145.94 149.33 152.71 156.08 159.44 162.78 166.11 169.43 172.74 176.03 179.31 182.58 185.84 189.09 192.32 195.54 198.75 201.94
101.07 104.62 108.16 111.69 115.20 118.70 122.19 125.67 129.14 132.59 136.03 139.46 142.88 146.28 149.67 153.05 156.42 159.77 163.11 166.44 169.76 173.07 176.36 179.64 182.91 186.17 189.41 192.64 195.86 199.07 202.26
101.42 104.97 108.51 112.04 115.55 119.05 122.54 126.02 129.48 132.93 136.37 139.80 143.22 146.62 150.01 153.39 156.75 160.11 163.45 166.78 170.09 173.40 176.69 179.97 183.24 186.49 189.73 192.96 196.18 199.39 202.58
101.78 105.33 108.87 112.39 115.90 119.40 122.89 126.37 129.83 133.28 136.72 140.14 143.56 146.96 150.35 153.72 157.09 160.44 163.78 167.11 170.42 173.73 177.02 180.30 183.56 186.82 190.06 193.29 196.50 199.71 202.90
102.13 105.68 109.22 112.74 116.25 119.75 123.24 126.71 130.17 133.62 137.06 140.49 143.90 147.30 150.69 154.06 157.43 160.78 164.11 167.44 170.76 174.06 177.35 180.62 183.89 187.14 190.38 193.61 196.82 200.03 203.22
102.49 106.04 109.57 113.09 116.60 120.10 123.59 127.06 130.52 133.97 137.40 140.83 144.24 147.64 151.02 154.40 157.76 161.11 164.45 167.77 171.09 174.39 177.67 180.95 184.21 187.47 190.70 193.93 197.14 200.35 203.54
102.85 106.39 109.92 113.44 116.95 120.45 123.93 127.41 130.86 134.31 137.75 141.17 144.58 147.98 151.36 154.74 158.10 161.44 164.78 168.10 171.42 174.72 178.00 181.28 184.54 187.79 191.03 194.25 197.47 200.67 203.85
103.20 106.74 110.28 113.80 117.30 120.80 124.28 127.75 131.21 134.66 138.09 141.51 144.92 148.32 151.70 155.07 158.43 161.78 165.11 168.44 171.75 175.04 178.33 181.60 184.87 188.11 191.35 194.57 197.79 200.99 204.17
Ambient Temperature (°C)
Temperature Characteristics
Resistance Value Ratio
Ambient Temperature (°C)
Performance Characteristics
Parameter Resistance T.C.R. Overload (Short Time) Resistance Solder Heat (SDT101A) Rapid Change Temperature Moisture Resistance Endurance 70°C High Temperature Exposure Shelf Life
Requirement Limit Typical Within specified tolerance Within specified T.C.R. ±0.5% ±0.3% ±0.5% ±0.3% ±0.2% ±0.1% ±0.2% ±0.3% ±0.2% ±0.7% ±0.1%
Note: Desired temperature values obtained adding temperatures vertical horizontal axes. When calculating resistance value 105°C, read value column where 100°C vertical axis horizontal axis cross. value will 136.72. value will value obtained multiplying resistance value this table Similarly, value will value obtained dividing resistance value
Test Method 0°C/ +100°C Rated voltage seconds 350°C, second -55°C minutes)/ +25°C minutes)/ +150°C minutes)/ +25°C minutes), cycles 80°C 2°C, 1000 hours, cycle 70°C (SDT101A), 200°C (SDT101B), 1000 hours, cycle +150°C (SDT101A), +300°C (SDT101B), 1000 hours Left year shelf natural condition
11/20/08
Specifications given herein changed time without prior notice. Please confirm technical specifications before order and/or use.
Speer Electronics, Inc. Bolivar Drive Bradford, 16701 814-362-5536 Fax: 814-362-8883 www.koaspeer.com
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