1. DimensionsD : Diameter with coating

F : Forming PitchT : Thickness of thermistor with coatingL : Length of leads

d : Diameter of leads

2. Marking

Nominal Diameter

Resistance at 25℃0R7 : 0.7Ω

1R3 : 1.3Ω

003~008 : 3~8Ω

010~080 : 10~80Ω120 :

10Φ D F T L d

max. 11.5 6.0 5.0 - 0.82

X - 5.0 - - 0.80

min. - 4.0 - 25.0 0.78

UNIT : mm PART NO : N10SP050M-5

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NTC THERMISTORS

UPPERMOST ELECTRONIC INDUSTRIES CO., LTD.

120Ω

10SP

050

PART NO.:

SPECIFICATION :1. Style : Disc Type Thermistor (Negative Temperature Coefficient)

1-1 Material of Coating : Silicone

1-2 Color of Coating : Black

1-3 Material of Lead : ( Cu,Fe,Sn ) Material

2. Maximum Ratings (Ambient Ta=25℃)

Item Conditions Max. Rated Value

a Rated Temperature in still air ℃

b Max. Permissible Working Ta : 25 ℃ Amp.

Current

3. Electrical Characteristics

Item Conditions Specificationa Zero Power Resistance Ta : 25 ±0.2 ℃ ,I ≦ 0.5mA 50 Ω ± 20 %

b Beta Value 8876*Log(R25/R50) 3211 ± 7 %

c Thermal Dissipation Ta : 25 ℃ 10 mW/℃ (Approx.)

Constantd Thermal Time Ta : 25 ℃ 58 sec. (Approx.)

Constante Insulation 1000 Vdc

f V-I Test Steady State Current Resistance Under LoadI : 0.5 Amps 4701 mΩ (Approx.)I : 1 Amps 1901 mΩ (Approx.)I : 2 Amps 723 mΩ (Approx.)

g UL APPROVAL MAX. load capacitance(uf),《 240Vac/420uf 》, compares of the twice R-T value of Before test & After test, the variation of temperature must be within ±20℃.

h Permissible Electrolytic Capacitor suggestion to use in the safety range is under《340Vdc/100uf》

ij

The customer makes the test according to the actual design demand temperature

Resistance : Thermistor shall be tested in constant temperature oil bath .Suggested that every three months enter UEI the website downloading electrical specification related news or contact with the Sales Dept. to demand the new electrical specification related news.

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N10SP050M-5

-40 ~ +170

2

> 500 MΩ

k

UL Test Temperature (min : 0 ℃)VDE Test Temperature ( None)

4.Mechanical Characteristics

Item Conditions Specificationa Terminal Pull Load : 2.5 kg, time : 5 sec. No Break Out

b Terminal Bend Load : 1 kg No Break OutBend : 0° → 90° → 0°

c Solderability 230±5℃ , 3± 0.5 sec.

d Solder Heat 260± 5℃ , 3± 0.5 sec. △R/R : ≦ ±10%Resistance

5. Reliability Test

Item Conditions Specification

a Thermal Shock -40℃ *30' → +25℃ *30'→+150℃*30' →+ 25℃*30' Max.+15%

*8 Cyclesb Humidity 45℃, 95% R.H.*1000 Hours

Max.+15%

c Continuous Load Life 25℃ , 2 Amps *1000 Hours Max.+25%

d Temperature Storage 60℃*300 mA*1000 Hours Max.+25%

Note : Each test shall be performed with new sample individually

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* 2 Cyclesat Least 95% of the lead wire

circumference is covered with solder.

Variable Rate of Resistance

300mA on 2 Min. off 6 Min. * 5000 Times

6. Construction Diagram

No.1 Coating Silicone2 NTC Thermistor Mn,Ni,Cu,Fe,Oxide3 Solder Sn-Ag4 Electrode Ag5 Lead Wire ( Cu,Fe,Sn ) Material

Flame Class 94V-0UL File No. E153067

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Component Material

Silicone

1

2

3

4

5

7. PACKING METHOD

1.MATERIAL OF PACKINGITEM MATERIAL SIZE (L*W*H) mmINNER PLASTIC BAG POLYESTER 200 * 130 * 0.08CARTON CARTON PAPER 310 * 255 *240

2.PACKING DETAIL

INNER PLASTIC BAG = 200 PCS / PER BAG

LABEL

3.PACKING METHOD200 PCS / BAG * 40 BAG / CARTON = 8000 PCS / CARTON

LABEL FOR CARTON

CARTON

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Part Number Code.

Example : N 1 0 S P 0 5 0 M - 5

(1) (2) (3) (4) (5) (6)

(1) NTC. ( Negative Temperature Coefficient )

(2) Nominal Diameter :08 : 8mm10 : 10mm13 : 13mm15 : 15mm20 : 20mm

(3) SP : Surge Protection

(4) Resistance of 25℃0R7 : 0.7Ω1R3 : 1.3Ω2R5 : 2.5Ω

003~008 : 3~8Ω 010~080 : 10~80Ω

120 : 120Ω

(5) Tolerance of ResistanceL : ±15%M : ±20%

(6) ROHS Type

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Temp.(℃) Ｒ(Ω)

-20.00 317.0000-10.00 202.2633

0.00 132.121410.00 88.219520.00 60.126330.00 41.771940.00 29.544350.00 21.248260.00 15.522270.00 11.506180.00 8.646590.00 6.5814

100.00 5.0700110.00 3.9499120.00 3.1101130.00 2.4732140.00 1.9853150.00 1.6078160.00 1.3129

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R-T Curve (Nominal) Part No : N10SP050

0.1

1

10

100

1000

10000

-20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160

TEMPERATURE (℃)

RE

SIST

AN

CE

(Ω)

I V0.01 0.500.02 0.980.03 1.350.05 1.860.07 2.10

0.1 2.300.2 2.420.3 2.350.4 2.200.5 2.050.7 1.880.8 1.80

1 1.612 1.20

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V-I Curve ( Nominal ) Part No. : N10SP050

0.01

0.1

1

10

0.01 0.1 1 10 100

CURRENT ( A )

VO

LT

AG

E (

V )

RELIABILITY TEST REPORT

PART NO : N10SP050 -5

1. LIFE STRESS TEST

1-1. CONTINUOUS LOAD LIFE .AMBIENT TEMPERATURE : 25 ± 5 ℃CURRENT : 2 Amps.DURATION : 1000 HOURSSPECIFICATION : WITHIN Max.+25% OF INITIAL VALUE.

INITIAL AFTERRESISTANCE @ 25℃ RESISTANCE @ 25℃ CHANGE RESULT.

NO. ( Ω ) ( Ω ) ( % )1 51.63 53.61 3.83 PASS2 54.14 55.69 2.86 PASS3 47.52 49.27 3.68 PASS4 46.82 49.11 4.89 PASS5 54.78 56.92 3.91 PASS

AVG 50.98 52.92 3.84DATE Aug.07,2008 Sep.22,2008

1-2. TEMPERATURE STORAGEAMBIENT TEMPERATURE : 60 ± 5 ℃CURRENT : 300 mAmps.DURATION : 1000 HOURSSPECIFICATION : WITHIN Max.+25% OF INITIAL VALUE.

INITIAL AFTERRESISTANCE @ 25℃ RESISTANCE @ 25℃ CHANGE RESULT.

NO. ( Ω ) ( Ω ) ( % )1 49.84 51.96 4.25 PASS2 52.47 54.62 4.10 PASS3 53.47 56.11 4.94 PASS4 55.01 53.93 -1.96 PASS5 48.62 49.82 2.47 PASS

AVG 51.88 53.29 2.76DATE Aug.07,2008 Sep.22,2008

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1-3. HUMIDITY AMBIENT TEMPERATURE : 45 ± 5 ℃RELATIVE HUMIDITY : 90 〜 95 %CURRENT : 300 mA ON 2 Min. OFF 6 Min.DURATION : 1000 HOURSSPECIFICATION : WITHIN Max.+15% OF INITIAL VALUE.

INITIAL AFTERRESISTANCE @ 25℃ RESISTANCE @ 25℃ CHANGE RESULT.

NO. ( Ω ) ( Ω ) ( % )1 47.88 50.36 5.18 PASS2 49.81 52.29 4.98 PASS3 55.63 57.12 2.68 PASS4 53.88 52.79 -2.02 PASS5 55.37 57.63 4.08 PASS

AVG 52.51 54.04 2.98DATE Aug.07,2008 Sep.22,2008

1-4. THERMAL SHOCK.CONDITION : -40 ℃ * 30 MIN. → +25 ℃ * 30 MIN. +150 ℃ * 30 MIN. → +25 ℃ * 30 MIN. * 8 CYCLES.SPECIFICATION : WITHIN Max.+15% OF INITIAL VALUE.

INITIAL AFTERRESISTANCE @ 25℃ RESISTANCE @ 25℃ CHANGE RESULT.

NO. ( Ω ) ( Ω ) ( % )1 52.82 55.01 4.15 PASS2 46.93 48.67 3.71 PASS3 53.64 55.23 2.96 PASS4 55.37 53.86 -2.73 PASS5 52.63 55.17 4.83 PASS

AVG 52.28 53.59 2.58DATE Sep.21,2008 Sep.22,2008

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2. MECHANICAL CHARACTERISTICS TEST

2-1. LEAD TERMINAL PULL STRENGTH TEST (ON 5 DEVICES)LOAD : 2.5 KgHOLDING TIME : 5 ± 1 SECTHE TEST RESULTS ARE SATISFACTORY.

2-2. LEAD TERMINAL BEND STRENGTH TEST (ON 5 DEVICES)LOAD : 1 KgBEND : 0° → 90° → 0° , 2 CYCLESTHE TEST RESULTS ARE SATISFACTORY.

2-3. SOLDERABILITY (ON 5 DEVICES)SOLDER BATH : 230 ± 5 ℃TIME : 3 ± 0.5 SECSPECIFICATION : THE COVERAGE OF FRESH SOLDER ON LEAD TERMINALS WERE MORE THAN 95 %.THE TEST RESULTS ARE SATISFACTORY.

2-4 SOLDER HEAT RESISTANCE. (ON 5 DEVICES) SOLDER BATH : 260 ± 5 ℃

TIME : 3 ± 0.5 SECSPECIFICATION : WITHIN ± 10 % OF INITIAL VALUE.

INITIAL AFTERRESISTANCE @ 25℃RESISTANCE @ 25℃ CHANGE MECHANICAL RESULT

NO. ( Ω ) ( Ω ) ( % ) DAMAGE1 48.97 48.77 -0.41 NONE PASS2 53.25 53.77 0.98 NONE PASS3 54.49 53.96 -0.97 NONE PASS4 53.63 54.11 0.90 NONE PASS5 51.47 51.79 0.62 NONE PASS

AVG 52.36 52.48 0.22DATE Sep.21,2008 Sep.22,2008

THE TEST RESULTS ARE SATISFACTORY.

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