CU4032K250G2 EPCOS Inc, CU4032K250G2 Datasheet - Page 22

• Manufacturer Part Number: CU4032K250G2
• Description: VARISTOR STD 250VRMS 4032 SMD
• Manufacturer: EPCOS Inc
• Series: CUr

Specifications of CU4032K250G2

• Varistor Voltage: 390V
• Current-surge: 1.2kA
• Number Of Circuits: 1
• Maximum Ac Volts: 250VAC
• Maximum Dc Volts: 320VDC
• Energy: 19J
• Package / Case: Non-Standard SMD
• Technology: Metal Oxide
• Capacitance Value: 105pF
• Clamping Current: 10A
• Clamping Voltage: 650V
• Ac Voltage Rating (max): 250VAC
• Dc Voltage Rating (max): 320VDC
• Operating Temp Range: -40C to 85C
• Mounting: Surface Mount
• Surge Current (max): 1200A
• Size Code: 4032
• Product Length (mm): 10.2mm
• Product Depth (mm): 8mm
• Product Height (mm): 4.5mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72660M 251K 72; B72660M0251K072; B72660M251K72

Profile feature
Preheat and soak
- Temperature min
- Temperature max
- Time
Average ramp-up rate
Liquidous temperature
Time at liquidous
Peak package body temperature T
Time (t
classification temperature (T
Average ramp-down rate
Time 25 C to peak temperature
1) Tolerance for peak profile temperature (T
2) Depending on package thickness. For details please refer to JEDEC J-STD-020D.
3) Tolerance for time at peak profile temperature (t
Note: All temperatures refer to topside of the package, measured on the package body surface.
Number of reflow cycles: 3
2.2
Temperature characteristics at component terminal with dual-wave soldering
Please read Cautions and warnings and
Important notes at the end of this document.
SMD disk varistors (CU varistors)
Standard series
P
)
Wave soldering temperature profile
3)
within 5 C of specified
c
)
P
) is defined as a supplier minimum and a user maximum.
T
T
t
T
T
t
T
smin
L
P
smin
smax
smax
L
p
p
) is defined as a supplier minimum and a user maximum.
1)
to T
to t
to T
smax
smax
p
Page 22 of 35
Sn-Pb eutectic assembly
100 C
150 C
60 ... 120 s
3 C/ s max.
183 C
60 ... 150 s
220 C ... 235 C
20 s
6 C/ s max.
maximum 6 min
3)
2)
Pb-free assembly
150 C
200 C
60 ... 180 s
3 C/ s max.
217 C
60 ... 150 s
245 C ... 260 C
30 s
6 C/ s max.
maximum 8 min
3)
2)