S07K40 EPCOS Inc, S07K40 Datasheet - Page 19

• Manufacturer Part Number: S07K40
• Description: VARISTOR 40VRMS 7MM RADIAL
• Manufacturer: EPCOS Inc
• Series: StandarDr

Specifications of S07K40

• Varistor Voltage: 68V
• Current-surge: 250A
• Number Of Circuits: 1
• Maximum Ac Volts: 40VAC
• Maximum Dc Volts: 56VDC
• Energy: 3.0J
• Package / Case: Disc 7mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72207S 400K101; B72207S0400K101; B72207S400K101

Reliability data
Test
Climatic sequence
Fast temperature cycling
Damp heat, steady state
Solderability
Please read Cautions and warnings and
Important notes at the end of this document.
Test methods/conditions
CECC 42 000, test 4.16
The specimen shall be subjected to:
a) dry heat at UCT, 16 h
b) damp heat, 1st cycle:
c) cold, LCT, 2 h
d) damp heat, additional 5 cycles:
Then the specimen shall be stored at
room temperature and normal humidity
for 1 to 2 h.
Thereafter, the change of V
measured. Thereafter, insulation resis-
tance R
to CECC 42 000, test 4.8 at V = 500 V.
IEC 60068-2-14, test Na, LCT/UCT,
dwell time 30 min, 5 cycles
The specimen shall be subjected to
40 ±2 °C, 90 to 95% r. H. for 56 days
without load / with 10% of the maximum
continuous DC operating voltage V
Then stored at room temperature and
normal humidity for 1 to 2 h.
Thereafter, the change of V
measured. Thereafter, insulation resis-
tance R
to CECC 42 000, test 4.8 at V = 500 V.
IEC 60068-2-20, test Ta,
method 1 with modified conditions for
lead-free solder alloys: 245 °C, 3 s:
After dipping the terminals to a depth
of approximately 3 mm from the body
in a soldering bath of 245 °C for 3 s, the
terminals shall be visually examined.
55 °C, 93% r. H., 24 h
55 °C/25 °C, 93% r. H., 24 h/cycle.
ins
ins
shall be measured according
shall be measured according
19
11/07
v
v
shall be
shall be
Leaded varistors
StandarD series
DC
.
Requirement
|
R
|
No visible damage
|
R
The inspection shall be
carried out under adequate
light with normal eyesight or
with the assistance of a
magnifier capable of giving
a magnification of 4 to
10 times. The dipped sur-
face shall be covered with
a smooth and bright solder
coating with no more than
small amounts of scattered
imperfections such as
pinholes or un-wetted or
de-wetted areas. These
imperfections shall not be
concentrated in one area.
∆V/V (1 mA)
∆V/V (1 mA)
∆V/V (1 mA)
ins
ins
≥1 MΩ
≥1 MΩ
|
|
|
≤10%
≤5%
≤10%