![](http://datasheet.mmic.net.cn/200000/LK32168R2K-T_datasheet_15078914/LK32168R2K-T_10.png)
267
FERRITE
PRODUCTS
TAIYOYUDEN CO., LTD.
5
RELIABILITY DATA
3/4
Item
Specified Value
Test Methods and Remarks
LK3216
BK1005
HK2125
HK1005
At least 75% of terminal electrode
is covered by new solder.
No mechanical damage.
Remaining terminal electrode:
70% min.
No mechanical damage.
Inductance change: Within M10%
Q change: Within M30%
BK2125
BK3216
LK1608
LK2125
At least 75% of terminal electrode
is covered by new solder.
No mechanical damage.
Remaining terminal electrode:
70% min.
No mechanical damage.
Inductance change: Within M10%
Q change: Within M20%
HK1608
BK1608
At least 75% of terminal electrode is covered
by new solder.
Appearance: No significant abnormality
Impedance change: Within M30%
Appearance: No significant abnormality
Impedance change: Within M30%
11.Solderability
12.Resistance to
Soldering
13.Thermal Shock
BK Series:
Solder temperature: 230M5C
Duration: 4M1 sec.
Immersion speed: 25mm/sec.
LK, HK Series:
Solder temperature: 230M5C
Duration: 4M1 sec.
Preheating temperature: 150 to 180C
Preheating time: 2 to 3 min.
Flux: Immersion into methanol solution with
colophony for 3 to 5 sec.
BK Series:
Solder temperature: 260M5C
Duration: 10M0.5 sec.
Preheating temperature: 150C
Preheating time: 3 min.
Immersion speed: 25 mm/sec.
Recovery: 2 to 3 hrs of recovery under the stan
dard condition after the test. (See Note 1)
LK, HK Series:
Solder temperature: 260M5C
Duration: 10M0.5 sec.
Preheating temperature: 150 to 180C
Preheating time: 2 to 3 min.
Flux: Immersion into methanol solution with
colophony for 3 to 5 sec.
BK Series:
Conditions for 1 cycle
step 1: -55
C
30M3 min.
step 2: Room temperature 10 to 15 min.
step 3: +125
C
30M3 min.
step 4: Room temperature 10 to 15 min.
Number of cycles: 5
Recovery: 2 to 3 hrs of recovery under the stan
dard condition after the test. (See Note 1)
LK Series:
Conditions for 1 cycle / step 1: -25C, 60 min.
step 2: +85C, 60 min.
HK1608, 2125 Series:
Conditions for 1 cycle / step 1: -40C, 60 min.
step 2: +85C, 60 min.
HK1005 Series:
Conditions for 1 cycle / step 1: -55C, 60 min.
step 2: +125C, 60 min.
Number of cycles: 100
+0
K
3
+3
K
0
(Note 1) When there are questions concerning
mesurement result
Dmeasurement shall be made
after 48M2 hrs of recovery under
the standard condition.
Multilayer chip inductors and beads