■ RELIABILITY DATA
15.Resistance to soldering
LB, LBC, LBR, LBMF Series
CB, CBC, CBL, CBMF Series
LEM Series
Inductance change:Within±10％
Inductance change:Within±5％
LEM2520
No significant abnormality in appearance.
【Test Methods and Remarks】
LEM：
Reflow condition 3 times of reflow over at 220±5℃ for 40sec. MAX, With Peak temperature at 240±5℃ for 5 sec.
MAX.（Refer to a Profile of chart below.）
Flow condition
Solder temperature：260±5℃
Duration：10±1sec. Once
LB・LBC・LBR・CB・CBC・CBL・LBM・LBMF・CBMF：
3 times of reflow oven at 230℃ MIN for 40sec. with peak temperature at 260 ℃ for 5sec.
16.Resisitance to solvent
LB, LBC, LBR, LBMF Series
CB, CBC, CBL, CBMF Series
LBM, LEM Series
No significant abnormality in appearance
【Test Methods and Remarks】
Solvent temperature：Room temperature
Type of solvent：Isopropyl alcohol
Cleaning conditions：90s. Immersion and cleaning.
17.Thermal shock
LB, LBC, LBR, LBMF Series
CB, CBC, CBL, CBMF Series
LBM Series
Inductance change:Within±10％
No significant abnormality in appearance.
Inductance change :Within±10％
Q→ R12～4R7：30 min.
5R6～330：25 min.
LEM Series
390～820：20 min.
101：15 min.
【Test Methods and Remarks】
LEM : Conditions for 1cycle
Step
Temperature（℃） Duration（min）
1
ー40
＋85
30
2
30
Number of cycle：100 cycle
Recovery：At least 1 hr of recovery under the standard condition after the test, followed by the measurement within 2 hrs.
LB・LBC・LBR・CB・CBC・CBL・LBM・LBMF・CBMF： ー40～＋85℃, maintain times 30min. ,100 cycle
Recovery：At least 2 hrs of recovery under the standard condition after the test, followed by the measurement within 48 hrs.
18.Damp heat life test
LB, LBC, LBR, LBMF Series
CB, CBC, CBL, CBMF Series
LBM Series
Inductance change:Within±10％
No significant abnormality in appearance.
Inductance change :Within±10％
Q→ R12～4R7：30 min.
5R6～330：25 min.
LEM Series
390～820：20 min.
101：15 min.
【Test Methods and Remarks】
Temperature：60±2℃
Humidity：90～95％RH
Duration：1000 hrs
Recovery：At least 2 hrs of recovery under the standard condition after the test, followed by the measurement within 48 hrs.
LEM：Recovery
At least 1 hr of recovery under the standard condition after the test, followed by the measurement within 2 hrs.
19.Loading under damp heat life test
LB, LBC, LBR, LBMF Series
CB, CBC, CBL, CBMF Series
LBM Series
Inductance change:Within±10％
No significant abnormality in appearance.
Inductance change :Within±10％
Q→ R12～4R7：30 min.
5R6～330：25 min.
LEM Series
390～820：20 min.
101：15 min.
【Test Methods and Remarks】
Temperature：60±2℃
Humidity：90～95％RH
Duration：1000 hrs
Applied current：Rated current
Recovery：At least 2 hrs of recovery under the standard condition after the test, followed by the measurement within 48 hrs.
LEM：Recovery
At least 1 hr of recovery under the standard condition after the test, followed by the measurement within 2 hrs.
＊This catalog contains the typical specification only due to the limitation of space. When you consider the purchase of our products, please check our specification.
For details of each product (characteristics graph, reliability information, precautions for use, and so on), see our Web site (http://www.ty-top.com/) or CD catalogs.
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TAIYO YUDEN [ TAIYO YUDEN (U.S.A.), INC ]
