Datasheet

˖ġ īSolderability 95% coverage Min.
4.17 Test temperature of solder: 245ɗ±3ɗ dipping time in
solder: 2-3 seconds.
Soldering temp
reference
Electrical characteristics shall be
satisfied. Without distinct deformation
in appearance.
(95 % coverage Min.)
Wave soldering condition:
(2 cycles Max.)
Pre-heat: 100~120 ,30±ɗ 5 sec.
Suggestion solder temp.: 235~255 ,10ɗ sec. (Max.)
Peak temp.: 260ɗ
Reflow soldering condition:
(2 cycles Max.)
Pre-heat:150~180 ,90~120ɗ sec.
Suggestion solder temp.: 235~255 ,20~40ɗ sec.
Peak temp.: 260ɗ
Hand soldering condition:
The soldering iron tip temperature should be less than
300 and maximum contract time should be 5 sec.ɗ
˖!Temperature
cycling
Ʋ0.5%,r1%
Ʋ(0.5%+0.05 :)
4.19 Resistance change after continuous five cycles for duty
cycle specified below:
Step Temperature Time
1-55ɗƲ3ɗ 30 mins
2 Room temp. 10 --- 15 mins
3+155ɗƲ2ɗ 30 mins
4 Room temp. 10 --- 15 mins
Ʋ2%,r5% Ʋ(1.0%+0.05 :)
˖!Soldering
heat
Resistance change rate is:
Ʋ(1.0%+0.05ȟ)
4.18 Dip the resistor into a solder bath having a temperature
of 260ɗr5ɗ and hold it for 10s1 seconds.
Terminal
bending
Ʋ(1.0%+0.05ȟ)
4.33 Twist of test board:
Y/x = 3/90 mm for 60Seconds
ī Insulation
resistance
1,000 Mȟ or more
4.6 The measuring voltage shall be ,measured with a direct
voltage of (100Ʋ15)V or a voltage equal to the dielectric
withstanding voltage., and apply for 1min
˖!Humidity
( steady state )
Ʋ0.5%,r1% Ʋ(0.5%+0.1:)
4.24Temporary resistance change after 240 hours exposure
in a humidity test chamber controlled at 40±2ɗ and 90-95%
relative humidity,
Ʋ2%,r5% Ʋ(3.0%+0.1:)
˖ *Load life
in humidity
Ʋ0.5%,r1% Ʋ(1.0%+0.1:)
7.9 Resistance change after 1,000 hours (1.5 hours “ON”,0.5
hour “OFF”) at RCWV in a humidity chamber controlled at
40ɗƲ2ɗ and 90 to 95% relative humidity.
Ʋ2%,r5% Ʋ(3.0%+0.1:)
 <50mȍ Apply to rated current for 0ȟ
˖ *Load life
Ʋ0.5%,r1% Ʋ(1.0%+0.1:)
4.25.1 Permanent resistance change after 1,000 hours
operating at RCWV with duty cycle 1.5 hours “ON”, 0.5 hour
“OFF” at 70ɗƲ2ɗ ambient.
Ʋ2%,r5% Ʋ(3.0%+0.1:)
 <50mȍ Apply to rated current for 0ȟ
The resistors of 0ȟ only can do the characteristic noted of *
The resistors of 0201 only can do the characteristic noted of ˖