Datasheet

ManualsBrandsRND Components ManualsThermistorsSMD Thermistor NTC 10kOhm 3600K

RND is a trademark of Distrelec

Type

Delimeter

103

Nominal Resistance

Tolerance

3600

B Constant

RND 155QN0402: 0402

RND 155QN0603: 0603

RND 155QN0805: 0805

472 = 4.7 kΩ

103 = 10 kΩ

104 = 100 kΩ

F = ± 1%

3600 = 360 0 K

3950 = 3950 K

4050 = 4050 K

4500 = 4500 K

Tolerance of B Constant

Chip NTC Thermistor

RND 155QN0603

G = ± 2%

H = ± 3%

J = ±5 %

F = ± 1%

H = ± 3%

B Constant Calculation Method

A = 25℃ & 85 ℃

B = 25℃ & 50 ℃

Electrical Characteristics

Type Resistance

@ 25 °C

B Constant

@ 25 / 50 °C

B Constant

@ 25 / 85 °C

Permissible

Operating Current

@ 25 °C

Dissipation

Factor

Thermal

Time

Constant

Rated Electric

Power @ 25 °C

Operating

Ambient

Temperature

RND 155QN0603X103F3600FA

4.7 kΩ ±1%

3950 K ±1%

3920 K

0.46 mA

1 mW / °C

<5 s

100 mW

40 ... 125 °C

Shape and Dimensions

Recommended PCB pattern for reflow soldering

Dimensions

Type L

0402

0603

0805

1 mm

1.6 mm

2 mm

0.5 mm

0.8 mm

1.25 mm

0.5 mm

0.8 mm

0.85 mm

0.25 mm

0.3 mm

0.5 mm

0.45 ... 0.55 mm

0.6 ... 0.8 mm

1 ... 1.1 mm

0.4 ... 0.5 mm

0.6 ... 0.7 mm

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ϭ ... ϭϮ mm

PART NUMBER

Example: RND 155QN0603X103F3600FA

Features

• High testing precision

• Steady operating for long time

• Reflow soldering possible

• Short response time

Applications

• Temperature measurement

• Battery chargers

• Temperature sensing, protection and compensation in industrial, telecom and consumer applications

• Inrush current limiting, e.g. in switch-mode power supplies, soft-start motors

Summary of content (9 pages)

PAGE 1
Chip NTC Thermistor Features • High testing precision • Steady operating for long time • Reflow soldering possible • Short response time Applications • Temperature measurement • Battery chargers • Temperature sensing, protection and compensation in industrial, telecom and consumer applications • Inrush current limiting, e.g.
PAGE 2
Chip NTC Thermistor Test and Measurement Procedures Unless otherwise specified, the standard atmospheric conditions for measurement/test as • Ambient Temperature: 20±15℃ • Relative Humidity: 65±20% • Air Pressure: 86 kPa to 106 kPa If any doubt on the results, measurements/tests should be made within the following limits • Ambient Temperature: 20±2℃ • Relative Humidity: 65±5% • Air Pressure: 86 kPa to 106 kPa Inspection Equipment • Visual Examination: 20x magnifier • Resistance value test: Thermistor resist
PAGE 3
Chip NTC Thermistor Reliability Test Item Terminal Strength Standard IEC 60068-2-21 Solder the chip to the testing jig (glass epoxy board shown in the right) using eutectic solder. Then apply a force in the direction of the arrow. Size F Duration 0402, 0603 5N 10N 10 ± 1 s 0805 Resistance to Flexure IEC 60068-2-21 Requirements Test Methods and Remarks Solder the chip to the test jig (glass epoxy board shown in the right) using a eutectic solder.
PAGE 4
Chip NTC Thermistor Item Standard Solderability IEC 60068-2-58 Resistance to Soldering Heat Temperature Cycling IEC 60068-2-58 IEC 60068-2-14 Test Methods and Remarks • Solder temperature: 245 ± 5℃ • Duration: 10 ± 1s • Solder: Sn/3.0Ag/0.5Cu • Flux: 25% resin and 75% ethanol in weight 1. No visible damage • Solder temperature: 245 ± 5℃ • Duration: 10±1s • Solder: Sn/3.0Ag/0.
PAGE 5
Chip NTC Thermistor Notes & Warnings The RND 155QN series thermistors shall not be operated and stored under the following environmental conditions: • Corrosive or deoxidized atmospheres (such as chlorine, sulfurated hydrogen, ammonia, sulfuric acid, nitric oxide and so on) • Volatile or inflammable atmospheres • Dusty condition • Excessively high or low pressure condition • Humid site • Places with brine, oil, chemical liquid or organic solvent • Intense vibration • Places with analogously deleterious cond
PAGE 6
Chip NTC Thermistor R-T Table Temp. (℃) R_Min (Kohm) R_Cent (Kohm) R_Max (Kohm) Res TOL. Temp. TOL.(℃) -40 226.056 235.669 245.667 4.24% 0.68 -39 213.084 222.014 231.294 4.18% 0.68 -38 200.945 209.241 217.859 4.12% 0.67 -37 189.578 197.289 205.294 4.06% 0.67 -36 178.929 186.099 193.537 4.00% 0.66 -35 168.950 175.618 182.531 3.94% 0.66 -34 159.567 165.769 172.195 3.88% 0.65 -33 150.767 156.538 162.512 3.82% 0.65 -32 142.511 147.881 153.438 3.76% 0.
PAGE 7
Chip NTC Thermistor Temp. (℃) R_Min (Kohm) R_Cent (Kohm) R_Max (Kohm) Res TOL. Temp. TOL.(℃) 2 25.932 26.450 26.975 1.99% 0.43 3 24.797 25.281 25.772 1.94% 0.43 4 23.719 24.171 24.630 1.90% 0.42 5 22.695 23.117 23.545 1.85% 0.41 6 21.721 22.115 22.514 1.80% 0.40 7 20.795 21.163 21.535 1.76% 0.40 8 19.913 20.257 20.604 1.72% 0.39 9 19.074 19.394 19.719 1.67% 0.38 10 18.275 18.574 18.876 1.63% 0.37 11 17.513 17.792 18.074 1.58% 0.37 12 16.
PAGE 8
Chip NTC Thermistor Temp. (℃) R_Min (Kohm) R_Cent (Kohm) R_Max (Kohm) Res TOL. Temp. TOL.(℃) 46 4.493 4.574 4.656 1.79% 0.52 47 4.337 4.416 4.497 1.83% 0.53 48 4.187 4.265 4.345 1.86% 0.54 49 4.043 4.120 4.198 1.90% 0.56 50 3.905 3.981 4.058 1.93% 0.57 51 3.772 3.846 3.922 1.97% 0.58 52 3.644 3.718 3.792 2.00% 0.60 53 3.521 3.594 3.667 2.04% 0.61 54 3.404 3.475 3.547 2.07% 0.62 55 3.290 3.360 3.431 2.11% 0.64 56 3.181 3.250 3.319 2.
PAGE 9
Chip NTC Thermistor Temp. (℃) R_Min (Kohm) R_Cent (Kohm) R_Max (Kohm) Res TOL. Temp. TOL.(℃) 90 1.116 1.152 1.189 3.21% 1.17 91 1.085 1.120 1.156 3.24% 1.19 92 1.055 1.090 1.125 3.26% 1.21 93 1.026 1.060 1.095 3.29% 1.23 94 0.998 1.031 1.065 3.32% 1.24 95 0.971 1.003 1.037 3.35% 1.26 96 0.945 0.977 1.009 3.38% 1.28 97 0.919 0.950 0.983 3.41% 1.29 98 0.894 0.925 0.957 3.43% 1.31 99 0.871 0.901 0.932 3.46% 1.33 100 0.847 0.877 0.908 3.