1.  RESISTANCE

RESISTANCE AT 25℃

R25    10K OHM ± 5%

1.  “B” CONSTANCE

R 25℃ TO R 85℃

B25/85  3435 K ± 2%

1-3  OPERATING TEMP

RANGE

TW   –30℃ TO 100℃

1-4  DISSIPATION

CONSTANCE

TYPICAL IN AIR

8.5mW / ℃

1-5  INSULATION

RESISTANCE

AT DC500V, WATER-LEAD

WIRE

IN 100M OHM

1-6  WITHSTANDING

VOLTAGE

AC 1,500V, 1 MIN

WIRE BREAK INSULATION

1-7  STORAGE TEMP

RANGE

AT  –30 TO 100℃

1-8  THERMAL

TIME CONSTANT

TYPICAL IN AIR

MAX  5  SEC

TEST ITEM

TESTING METHOD

SPECIFICATION

3-1

BIAS HEAT TEST

100℃ AIR 1,000 HR

R25   ±   5%

B25/85 ±   2%

3-2

BIAS COLD TEST

-20℃ AIR 1,000 HR

SA SAME AS ABOVE

3-3

HUMIDITY TEST

40℃ * 95% R.H 1,000 HR

SAME AS ABOVE

3-4

BIAS HUMIDITY TEST

60℃ * 95% R.H 350 HR

1 HR ON 0.5 HR OFF

R25   ±   5%

B25/85 ±   2%

3-5

BIAS HEAT CYCLE TEST

-20℃ ~ 100℃

WATER BATH 50 CYCLES

SAME AS ABOVE

3-6

BIAS TEST

25℃ AIR 1,000 HR

SAME AS ABOVE

3-7

WATER TEST

25℃ WATER 1,000 HR

SAME AS ABOVE

3-8

BIAS VIBRATION TEST

JIS – C - 5025

SAME AS ABOVE

3-9

DROP TEST

DROP FROM 1 METER

5 TIMES ON WOOD SURFACE

R25   ±    5%

B25/85 ±    2%

3-10

LOAD TEST

PUT THERMISTOR ON OAK

BOARD AND PLACE APPLY 5KG

LOAD TO ANOTHER 30×30mm OAK

BOARD ON TOP OF THERMISTOR

3-11

HOLD BODY AND BEND BODY 90°

TO AND BACK THEN IN OPPOSITE

DIRECTION REPEAT 5 TIMES

NORMAL

APPEARANCE

3-12

LEAD PULL TEST

FASTEN BODY AND PULL LEAN WIRE

TO THE DIRECTION OF LEAD AXIS

UNTIL 1 KG FOR 1 MIN