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NCP15XH103J03RC

NTC Thermistors Temperature Sensor and Compensation 0402 (1005) Size

Murata Manufacturing 

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.

• This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

R44E.pdf

Dec.17,2012

Temperature Sensor Lead Type Specifications and Test Methods

No.

Item

Specifications

1

Low Temperature

Storage Test

2

High Temperature

Storage Test

3

High Temperature

Load

4

Humidity Storage

Test

5

Temperature

Cycle

· Resistance (R25°C) fluctuation rate: less than ±1%.

· B-Constant (B25/50°C) fluctuation rate: less than ±1%.

· Resistance (R25°C) fluctuation rate: less than ±2%.

· B-Constant (B25/50°C) fluctuation rate: less than ±1%.

6

Insulation Break -

down Voltage

· No damage electrical characteristics on D.C.100 V, 1 min.

Test Methods

-40 +0/-3°C in air, for 1000 +48/-0 hours without loading.

125±2°C in air, for 1000 +48/-0 hours without loading.

85±2°C in air, with ‘Operating Current for Sensor’ for

1000 +48/-0 hrs.

60±2°C, 90 to 95%RH in air, for 1000 +48/-0 hours without

loading.

-40°C +0/-3°C, 30 minutes in air

+25°C±2°C, 10 to 15 minutes in air

+125°C +3/-0°C, 30 minutes in air

+25°C +2/-0°C, 10 to 15 minutes in air (1 cycle)

Continuous 100 cycles, without loading.

2mm length of coating resin from the top of thermistor is to be

dipped into beads of lead (Pb), and DC100V 1 minute is

applied to circuit between beads of lead (Pb) and lead wire.

Both lead wires are dipped into 350±10°C solder for 3.5±0.5

seconds, or 260±5°C solder for 10±1 seconds according to

Fig-1. (solder <Sn-3Ag-0.5Cu>)

7

Resistance to

Soldering Heat

· Resistance (R25°C) fluctuation rate: less than ±1%.

· B-Constant (B25/50°C) fluctuation rate: less than ±1%.

Fig-1

Solder

8 Solder Ability

· More than 90% of lead wire surface shall be covered by

solder.

Both lead wires are dipped into flux (25wt% colophony

<JIS K 5902> isopropyl alcohol <JIS K 8839>) for 5 to 10

seconds. Then both lead wires are dipped into 245±5°C solder

<Sn-3Ag-0.5Cu> for 2±0.5 seconds according to Fig-1.

One end of a lead wire shall be fixed and 2.5N forth for 10

seconds shall be applied to the other lead wire as shown in

Fig-2.

6

9

Lead Wire Pull

Strength

· Resistance(R25°C) fluctuation rate: less than ±1%.

· B-Constant(B25/50°C) fluctuation rate: less than ±1%.

· No visible damage at resin part.

2.5N (10sec.)

Fig-2

One lead wire is held and 2.5N force is applied. Then the body

of NTC thermistor is bent by 90°C and again bent back to the

initial position. This sequence shall be completed twice. See

Fig-3.

10

Lead Wire

Bending Strength

· Lead wire does not break.

90°

2.5N

Fig-3

11 Free Fall

12 Vibration

· Resistance (R25°C) fluctuation rate: less than ±1%.

· B-Constant (B25/50°C) fluctuation rate: less than ±1%.

· No visible damage at resin part.

NTC thermistor shall be dropped without any force onto

concrete floor from 1 meter height one time.

NTC thermistor shall be fixed to the vibration test Equipment.

Vibration of total 1.5mm amplitude, Frequency sequence of

10Hz – 55Hz – 10Hz in 1 minute, shall be applied for right

angled 3 directions for each 2 hours duration.

* · R25 is zero-power resistance at 25°C.

· B25/50 is calculated by zero-power resistance of Thermistor in 25°C-50°C.

· After each test, NTC Thermistor should be kept for 1 hour at room temperature (normal humidity and normal atmospheric pressure).

29

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