280-CR15-150-RC Ver la hoja de datos (PDF) - Unspecified

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280-CR15-150-RC

Cement Power Resistors (RoHS Compliant)

Unspecified 

Cement Power Resistors (RoHS Compliant)

CONSTRUCTION

No. Subpart Name

Material

Material Generic Name

1

Body

Rod Type Ceramics

Al2O3, SiO2

3

2

End Cap

Tin plated iron surface

Tin : 5%, Iron : 95%

3

Lead

Annealed copper wire

Tin-Coated Copper wire

(Electrosolder plated surface) Pb Free

4 Ceramic Case

5 Resistance wire

Ceramic

Ni-Cr Alloy

Al2O3, SiO2

Ni-Cr Alloy

6 Filling Materials

Quartz mixed sand

SiO2

CHARACTERISTICS

PW-RC Series

52

4

61

Cement: Wire wound

Characteristics

Temperature

coefficient

Dielectric

withstanding

voltage

Temperature

cycling

Short time

overload

Load life in

humidity

Load life

Terminal strength

Resistance to

soldering heat

Solderability

Limits

± 350 PPM / °C Max.

<20Ω ± 400 PPM / °C

No evidence of flashover,

mechanical damage, arcing

or insulation break down

Resistance change rate is

± (2% + 0.05Ω) Max. with no

evidence of mechanical damage

Resistance change rate is

± (5% + 0.05Ω) Max. with no

evidence of mechanical damage

Resistance value

Wire-wound

∆ R/R

± 5%

Resistance value

Wire-wound

∆ R/R

± 5%

No evidence of mechanical

damage

Resistance change rate is

± (1% + 0.05ø) Max. with no

evidence of mechanical damage

95 % coverage Min.

Test Methods ( JIS C 5201-1 )

5.2 Natural resistance change per temp.

degree centigrade.

R2-R1

x106 (PPM / °C)

R1(t2-t1)

R1: Resistance value at room temperature (t1)

R2: Resistance value at room temp. plus 100 °C (t2)

5.7 Resistors shall be clamped in the trough

of a 90° metallic V-block and shall be tested at

AC potential respectively for 60 +10/ -0 secs.

7.4 Resistance change after continuous

5 cycles for duty shown below:

Step

Temperature

1

-55 °C ± 3 °C

2

Room temp.

3

+155 °C ± 2 °C

4

Room temp.

Time

30 mins

10 ~ 15 mins

30 mins

10 ~ 15 mins

5.5 Permanent resistance change after the

application of a potential of 2.5 times RCWV

for 5 seconds

7.9 Resistance change after 1,000 hours

operating at RCWV with duty cycle of

(1.5 hours "on", 0.5 hour "off") in a humidity test

chamber controlled at 40 °C ± 2 °C and 90 to 95 %

relative humidity

7.10 Permanent resistance change after

1,000 hours operating at RCWV with duty cycle

of (1.5 hours “on”, 0.5 hour “off”)

at 70 °C ±2 °C

6.1 Direct load :

Resistance to a 2.5 kgs direct load for 10 secs.

in the direction of the longitudinal axis of the

terminal leads

Twist test :

Terminal leads shall be bent through 90 ° at

a point of about 6mm from the body of the

resistor and shall be rotated through 360°

about the original axis of the bent terminal in

alternating direction for a total of 3 rotations

6.4 Permanent resistance change when leads

immersed to 3.2 to 4.8 mm from the body in

350 °C ± 10 °C solder for 3 ± 0.5 secs.

6.5 The area covered with a new , smooth

clean , shiny and continuous surface free

from concentrated pinholes.

Test temp. of solder : 245 °C ± 3 °C

Dwell time in solder : 2 ~ 3 seconds

XICON PASSIVE COMPONENTS • (800) 628-0544

XC-6S0p0e0c4ifi1cations are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on produDceartdeoRcuemveisnetadt:ion9./28/05

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