Datasheet

CONFIDENTIAL DOCUMENT
The area covered with a new , smooth
clean , shiny and continuous surface free
Solderability 95 % coverage Min. from concentrated pinholes.
Test temp. of solder : 245℃ ± 3℃
Dwell time in solder : 2 ~ 3 seconds
(Sub-clause 4.17)
The leads immersed into solder bath to 3.2 to 4.8 mm.
Soldering temp. Electrical characteristics shall be from the body. Permanent resistance change shall be
reference satisfied. Without distinct checked.
deformation in appearance. Wave soldering condition: (2 cycles Max.)
(95 % coverage Min.)
Pre-heat : 100 ~ 120 ℃, 30 ± 5 sec.
Suggestion solder temp.: 235 ~ 255 ℃, 10 sec. (Max.)
Peak temp.: 260 ℃
Hand soldering condition:
Hand Soldering bit temp. : 380 ± 10 ℃
Dwell time in solder : 3 +1/-0 sec.
Resistance change rate is Permanent resistance change when leads
Resistance to
± (1% + 0.05Ω) Max. with no
immersed to 3.2 to 4.8 mm from the body in
soldering heat evidence of mechanical damage.
350℃ ± 10 ℃ solder for 3 ± 0.5 seconds
(Sub-clause 4.18)
Resistance change after continuous
5 cycles for duty shown below:
Temperature Resistance change rate is
Step Temperature Time
cycling
± (1% + 0.05Ω) Max. with no
1
-55℃ ±3℃
30 mins
evidence of mechanical damage. 2 Room temp.
10～15 mins
3
+155℃ ±2℃
30 mins
4 Room temp.
10～15 mins
(Sub-clause 4.19)
Vibration Resistance change rate is 55Hz, 3 planes 2hrs each
± (1% + 0.05Ω) Max.
Total amplitude = 1.5mm
(Sub-clause 4.22)
Resistance change after 1,000 hours
Load life in
Resistance value
△R/R
operating at RCWV with duty cycle of
humidity Normal <100K ± 3 % (1.5 hours "on", 0.5 hour "off") in a humidity
Type 100K ± 5 %
test chamber controlled at 40 ℃ ± 2 ℃
and 90 to 95 % relative humidity
(Sub-clause 4.24.2.1)
Permanent resistance change after
Resistance value
△R/R
1,000 hours operating at RCWV with duty
Load life Normal <56K ± 2 % cycle of ( 1.5 hours "on", 0.5 hour "off" ) at
Type 56K ± 3 %
70℃ ± 2℃ ambient
(Sub-clause 4.25.1)
Specimens shall be immersed in a bath of
Resistance to No deterioration of protective trichroethane completely for 3 minutes with
solvent coatings and markings ultrasonic
(Sub-clause 4.30)
Carbon Film Fixed Resistors
Characteristics Limits
( JIS C 5201-1 )
Test Methods
Page 4. 2013/12/13--Version: 1