Datasheet

CONFIDENTIAL DOCUMENT
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:
Step
Temperature Time
Temperature Resistance change rate is
1
-55℃ ± 3℃
30 mins
cycling
± (1% + 0.05Ω) Max. with no
2 Room temp.
10～15 mins
evidence of mechanical damage 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
(1.5 hours "on", 0.5 hour "off") at RCWV in
Load life in
a humidity test chamber controlled at 40 ℃
humidity
± 2 ℃ and 90 to 95 % relative humidity
(Sub-clause 4.24.2.1)
7.10 Permanent resistance change after
1,000 hours operating at RCWV with duty
Load life cycle of (1.5 hours "on", 0.5 hour "off") at
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)
Resistance change rate is Resistance change after 10,000 cycles
Pulse overload
± (1% + 0.05Ω) Max. with no
(1 sec. "on" , 25 secs. "off" ) at 4 times RCWV
evidence of mechanical damage (Sub-clause 5.8)
Metal Film Fixed Resistors
Characteristics Limits
Test Methods
( JIS C 5201-1 )
Normal type ± 1.5 %
△ R/R
Normal type ± 1.5 %
Resistance value
△ R/R
Resistance value
Page 4. 2014/01/14--Version: 2