PRG18BB471MS1RB Murata Electronics North America, PRG18BB471MS1RB Datasheet

THERMISTOR

PRG18BB471MS1RB

Manufacturer Part Number

PRG18BB471MS1RB

Description

THERMISTOR

Manufacturer

Murata Electronics North America

Series

PRG18BBr

Datasheets

1.PRG18BB330MB1RB.pdf (1 pages)

2.PRG18BB330MB1RB.pdf (1 pages)

Specifications of PRG18BB471MS1RB

Voltage - Max

24V

Current - Max

60mA

Current - Hold (ih) (max)

10mA

Current - Trip (it)

21mA

Package / Case

0603 (1608 Metric)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

R Min/max

-

Time To Trip

-

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No.

10

(*) Measure resistance after the test by applying voltage of less than 1.5Vdc by a direct current of less than 10mA after product is left at 25±2°C for 2 hours.

Above mentioned soldering in "4. Adhesive Strength" and "5. Vibration" is done under the following conditions at our site.

1

2

3

4

5

6

7

8

9

Specifications and Test Methods

PRG18/21BB Series

#Glass-Epoxy PC board

#Standard land dimension

#Standard solder paste

#Standard solder profile

Above conditions are mentioned in Notice.

Operating Temp.

Resistance Value (at 25°C)

Withstanding Voltage

Adhesive Strength

Vibration

Solderability

Solder-heatability

Temperature Cycling

Humidity Test

High Temperature

Load Test

Item

-10 to 60°C

The resistance value should be within the specified

tolerance.

Without damage

There is no exfoliation sign of electrode.

Normal appearance

Resistance change: not to exceed ±20% (*)

Min. 75% electrode is covered with new solder.

Resistance change: not to exceed ±20% (*)

Normal appearance

Resistance change: not to exceed ±20% (*)

Normal appearance

Resistance change: not to exceed ±20% (*)

Normal appearance

Resistance change: not to exceed ±20% (*)

Normal appearance

Resistance change: not to exceed ±20% (*)

Rating Value

Temperature range with maximum voltage applied to PTC.

After applying maximum operating voltage for 3 mins. and

leaving for 2 hrs. in 25°C, measured by applying voltage of less

than 1.5Vdc (by a direct current of less than 10mA).

We apply 120% of the maximum operating voltage to PTC by

raising gradually for 180±5 secs. at 25°C. (A protective resistor

is to be connected in series, and the inrush current through

PTC must be limited below maximum rated value.)

EIAJ ET-7403 term 9

Soldered PTC to PCB and add the force of 5.0N in the direction

as shown below.

JIS C 5102 term 8.2

JIS C 5102 term 8.4

JIS C 5102 term 9.3

Times: 5 cycles

JIS C 5102 term 9.5

40±2°C, 90-95%RH leave for 500±4 hrs.

JIS C 5102 term 9.10

60±3°C (in air), PTC is applied maximum operating voltage for 1.5

hrs. on and 0.5 hrs. off. This cycle is repeated for 1000±10 hrs.

Soldered PTC to PCB

Vibration: A 10-55-10Hz (1 min.)

Width: 1.5mm

Vibrate for 2 hrs. in each of 3 mutually perpendicular planes

for a total of 6 hrs.

Solder: Sn 63%/Pb 37% (or 60/40%)

Solder temp: 230±5°C

Soaking time: 3±0.5 s.

Soaking position: Until a whole electrode is soaked

Solder: Sn 63%/Pb 37% (or 60/40%)

Flux: Solder paste containing less than 0.2wt% of chlorine.

Preheating: 150±5°C 3 mins.

Peak temp.: 260±5°C 10±5 s. (reflow)

PCB: Glass Epoxy PCB (JIS C 6484)

Step

1

2

3

4

Room temp.

Room temp.

Temp. (°C)

+85 +3, -0

-20 +0, -3

Method of Examination

PTC

F

Time (min.)

10-15

10-15

30

30

Glass Epoxy PCB

F=5.0N

F

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