Datasheet

ManualsBrandsRND Components ManualsThermistorsSMD Thermistor NTC 68kOhm 4010K

RND is a trademark of Distrelec

Type

Delimeter

683

Nominal Resistance

Tolerance

3950

B Constant

RND 155QN0402: 0402

RND 155QN0603: 0603

RND 155QN0805: 0805

472 = 4.7 kΩ

683 = 47 kΩ

104 = 100 kΩ

F = ± 1%

3 600 = 3600 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 155QN0603X683F3950FB

68 kΩ ±1%

4010 K

3950 K±1%

0.12 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



ϬϰϱϬϱϱŵŵ

ϬϲϬϴŵŵ

ϭ ... ϭϮ mm

PART NUMBER

Example: RND 155QN0603X683F3950FB

Features

• ,ŝŐŚƚĞƐƚŝŶŐƉƌĞĐŝƐŝŽŶ

• ^ƚĞĂĚǇŽƉĞƌĂƚŝŶŐĨŽƌůŽŶŐƚŝŵĞ

• ZĞĨůŽǁƐŽůĚĞƌŝŶŐƉŽƐƐŝďůĞ

• ^ŚŽƌƚƌĞƐƉŽŶƐĞƚŝŵĞ

Applications

• dĞŵƉĞƌĂƚƵƌĞŵĞĂƐƵƌĞŵĞŶƚ

• ĂƚƚĞƌǇĐŚĂƌŐĞƌƐ

• dĞŵƉĞƌĂƚƵƌĞƐĞŶƐŝŶŐƉƌŽƚĞĐƚŝŽŶĂŶĚĐŽŵƉĞŶƐĂƚŝŽŶŝŶŝŶĚƵƐƚƌŝĂůƚĞůĞĐŽŵĂŶĚĐŽŶƐƵŵĞƌĂƉƉůŝĐĂƚŝŽŶƐ

• /ŶƌƵƐŚĐƵƌƌĞŶƚůŝŵŝƚŝŶŐĞŐŝŶƐǁŝƚĐŚͲŵŽĚĞƉŽǁĞƌƐƵƉƉůŝĞƐƐŽĨƚͲƐƚĂƌƚŵŽƚŽƌƐ



Summary of content (9 pages)

PAGE 1
Chip NTC Thermistor Features • ,ŝŐŚ ƚĞƐƚŝŶŐ ƉƌĞĐŝƐŝŽŶ • ^ƚĞĂĚǇ ŽƉĞƌĂƚŝŶŐ ĨŽƌ ůŽŶŐ ƚŝŵĞ • ZĞĨůŽǁ ƐŽůĚĞƌŝŶŐ ƉŽƐƐŝďůĞ • ^ŚŽƌƚ ƌĞƐƉŽŶƐĞ ƚŝŵĞ Applications • dĞŵƉĞƌĂƚƵƌĞ ŵĞĂƐƵƌĞŵĞŶƚ • ĂƚƚĞƌǇ ĐŚĂƌŐĞƌƐ • dĞŵƉĞƌĂƚƵƌĞ ƐĞŶƐŝŶŐ͕ ƉƌŽƚĞĐƚŝŽŶ ĂŶĚ ĐŽŵƉĞŶƐĂƚŝŽŶ ŝŶ ŝŶĚƵƐƚƌŝĂů͕ ƚĞůĞĐŽŵ ĂŶĚ ĐŽŶƐƵŵĞƌ ĂƉƉůŝĐĂƚŝŽŶƐ • /ŶƌƵƐŚ ĐƵƌƌĞŶƚ ůŝŵŝƚŝŶŐ͕ Ğ͘Ő͘ ŝŶ ƐǁŝƚĐŚͲŵŽĚĞ ƉŽǁĞƌ ƐƵƉƉůŝĞƐ͕ ƐŽĨƚͲƐƚĂƌƚ ŵŽƚŽƌƐ PART NUMBER Example: RND 155QN0603X683F3950FB RND 155QN0603 Type X 683 F 3950 F Delimeter Nominal Resistance Tolerance B Co
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 2,097.303 2,193.371 2,293.609 4.57% 0.67 -39 1,967.094 2,055.866 2,148.429 4.50% 0.66 -38 1,845.736 1,927.791 2,013.292 4.44% 0.66 -37 1,732.580 1,808.448 1,887.450 4.37% 0.65 -36 1,627.026 1,697.194 1,770.211 4.30% 0.65 -35 1,528.522 1,593.436 1,660.941 4.24% 0.64 -34 1,436.558 1,496.629 1,559.055 4.17% 0.64 -33 1,350.665 1,406.268 1,464.013 4.
PAGE 7
Chip NTC Thermistor Temp. (℃) R_Min (Kohm) R_Cent (Kohm) R_Max (Kohm) Res TOL. Temp. TOL.(℃) 2 195.654 199.771 203.955 2.09% 0.41 3 186.224 190.048 193.932 2.04% 0.41 4 177.300 180.851 184.455 1.99% 0.40 5 168.852 172.149 175.493 1.94% 0.39 6 160.853 163.913 167.015 1.89% 0.38 7 153.275 156.116 158.993 1.84% 0.38 8 146.096 148.731 151.399 1.79% 0.37 9 139.292 141.736 144.208 1.74% 0.36 10 132.841 135.107 137.398 1.70% 0.35 11 126.723 128.
PAGE 8
Chip NTC Thermistor Temp. (℃) R_Min (Kohm) R_Cent (Kohm) R_Max (Kohm) Res TOL. Temp. TOL.(℃) 46 27.958 28.487 29.023 1.88% 0.49 47 26.877 27.396 27.923 1.92% 0.50 48 25.843 26.353 26.870 1.96% 0.51 49 24.855 25.355 25.862 2.00% 0.53 50 23.909 24.399 24.897 2.04% 0.54 51 23.004 23.484 23.973 2.08% 0.55 52 22.137 22.608 23.087 2.12% 0.57 53 21.307 21.769 22.239 2.16% 0.58 54 20.513 20.965 21.426 2.20% 0.59 55 19.752 20.195 20.646 2.23% 0.
PAGE 9
Chip NTC Thermistor Temp. (℃) R_Min (Kohm) R_Cent (Kohm) R_Max (Kohm) Res TOL. Temp. TOL.(℃) 90 5.893 6.097 6.309 3.47% 1.14 91 5.709 5.910 6.116 3.50% 1.15 92 5.533 5.728 5.931 3.53% 1.17 93 5.362 5.554 5.751 3.56% 1.19 94 5.198 5.385 5.579 3.59% 1.20 95 5.039 5.222 5.412 3.63% 1.22 96 4.886 5.065 5.250 3.66% 1.24 97 4.738 4.913 5.095 3.69% 1.25 98 4.596 4.767 4.944 3.72% 1.27 99 4.458 4.626 4.799 3.75% 1.29 100 4.325 4.489 4.659 3.