مقاومت اسمی مقاومت 150K 3W مقاومت

Dimension（ｍｍ）

L

ФD

ｌ

Φd

Value

15.5±0.5

5±0.5

≥26

0.8±0.05

(Style)

MO

(Rated Power)

3W

(Derating Curve)

Rated Voltage     

Maximum Voltage

500V

Maximum Overload Voltage

700V

Tolerance

±5%

Resistance Range

150K

Operating Temperature Range

-55℃ ～ +155℃

Description

Performance Requirements

Test Method

(Resistance Temperature

Coefficient)

 T.C.R. ±350ppm/℃

Test temperature

+20℃／-55℃／+20℃／+125℃／+20℃

(Short-time Overload)

△ Ｒ≤±1％Ｒ

No visible damage,Markings legible

2.5 times rated voltage or maximum overload voltage (the lower) 5 seconds

(Wiith Standing Voltage)

(No flasheover or breakdown)

AC 500V         1 minute

Terminal Strength

Pulled

△Ｒ≤±1％Ｒ+0.05R

No visible damage

Φd  0.8mm；Load 10N  10s

Winded

Φd  0.8mm；Load 10N   90⁰

Twisted

360⁰  in opposite direction

Resistance to Vibration

△Ｒ≤±1％+0.05R

No visible damage

10～500Hz

3 direction 2 hours each

Solder-heat Resistance

△Ｒ≤±1％Ｒ

Marks legible ,no visible damage

350℃  

2mm from the body,3 seconds

(Solderability)

At least 95% of the dipping surface must be covered by new solder, no flaws gathered.

235℃  

2mm from the body, 2 seconds

Temperature Cycle

△Ｒ≤±1％Ｒ+0.05R

No visible damage

-55／+155℃  

for 5 cycles

(Humidity)

△Ｒ≤±5％Ｒ+0.05R

No visible damage

40℃  95％RH   

1344 hours

70℃

(Load Life)

△Ｒ≤±5％Ｒ+0.05R

No visible damage, marks legible

rated voltage or maximum voltage,1.5 hours on, 0.5 hours off, 70 centigrade temperature 1000 hours