Datasheet

Anti Surge SMD Resistor
Performance specification :
Dielectric
withstanding
voltage
No evidence of flashover
mechanical damage, arcing or
insulation break down
4.7 Clamped in the trough of a 90Ԩ metallic v-block and shall
be tested at ac potential respectively specified in the type for
60-70 seconds
4.8 Natural resistance change per temp.
degree centigrade.
R2-R1
Temperature
x 10
6
(PPM/ )
Coefficient
1Ω~10Ω : ± 400 PPM/Ԩ 10.1Ω~10MΩ :
± 100 PPM/Ԩ
R1(t2-t1)
R1: Resistance value at room temperature (T1)
R2: Resistance value at room temp. plus 100 Ԩ(T2) Test
pattern: room temp. (T1), room temp. +100Ԩ(T2)
Short time
Resistance change rate is ±
(1.0% + 0.1Ω) Max.
overload
4.13 Permanent resistance change after the
application of a potential of 2.5 times RCWV for 5
seconds
Wave soldering condition: (2 cycles Max.)
Soldering temp.
reference
Pre-heat : 100 ~ 120 Ԩ, 30 ± 5 sec.
Suggestion solder temp.: 235 ~ 255 Ԩ, 10 sec. (Max.) Peak
temp.: 260 Ԩ
Electrical characteristics shall be
satisfied. Without distinct
deformation in appearance.
(95 % coverage Min.)
Reflow soldering condition: (2 cycles Max.)
Pre-heat : 150 ~ 180 Ԩ, 90 ~ 120 sec. Suggestion solder
temp.: 235 ~ 255 Ԩ, 20 ~ 40 sec. Peak temp.: 260 Ԩ
Hand soldering condition:
The soldering iron tip temperature should be less than
300Ԩand maximum contract time should be 5 sec.
Soldering heat
Resistance change rate is:
±(1%+0.05Ω) Max.
4.18 Dip the resistor into a solder bath having a
temperature of 260°C±3°C and hold it for 10±1
seconds.
Characteristics Limits
Test Methods ( JIS
C 5201-1 )
Distrelec Schweiz AG, Grabenstrasse 6, 8606 Nänikon, Switzerland, T [phone], [e-mail], distrelec.com