Wire-wound Ferrite Power Inductors LCRN series for Automotive Body & Chassis and Infotainment■RELIABILITY DATA
1. Operating Temperature Range
Specified Value－40～＋125℃（Including self-generated heat）

Test Methods andRemarks

Including self-generated heat

2. Storage Temperature Range
Specified Value－40～＋85℃

Test Methods andRemarks－5 to 40℃ for the product with taping.

3. Rated current
Specified Value

Within the specified tolerance

4. InductanceSpecified Value

Within the specified tolerance

Test Methods andRemarks

Measuring equipment
Measuring frequency: LCR Meter （HP 4285A or equivalent）: 100kHz, 1V

5. DC ResistanceSpecified Value

Within the specified tolerance

Test Methods andRemarks

Measuring equipment: DC ohmmeter （HIOKI 3227 or equivalent）

6. High Temperature Exposure (Storage)
Specified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%

Test Methods andRemarks

1000 hours at 85 deg C
Unpowered

7. Temperature Cycling
Specified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%

Test Methods andRemarks

1000 cycles (-40 deg C to +85 deg C)
30 min. maximum dwell time at each temperature extreme.
1 min. maximum transition time.

8. Biased Humidity
Specified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%

Test Methods andRemarks

1000 hours, 85 deg C/85% RH.
Unpowered

9. Operational Life
Specified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%

Test Methods andRemarks

1000 hours, 85 deg C
Rated current▶ 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/) .
i_smd_NS_C_reli_e-E11R01

10. Resistance to Solvents
Specified Value

Appearance：No significant abnormality in appearance.

Test Methods andRemarks➀Soak a test sample in isopropyl alcohol (IPA) at 25 ±5 deg C for 3 to 3. 5 minutes.
②Take the test sample out and brush 10 times using a brush soaked in IPA.
③Repeat ① and ② twice more.

11. Mechanical ShockSpecified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%

Test Methods andRemarks

Apply 3 shocks in each direction along 3 mutually perpendicular axes of the test specimen (18 shocks in total).
Peak value: 100g
Duration: 6ms
Test pulse: Half-sine
Velocity change: 3.7m/s.

12. Vibration
Specified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%

Test Methods andRemarks

5g’s for 20 min., 12 cycles each of
3 orientations (36 cycles in total)
Test from: 10 Hz to 2000 Hz

13. Resistance to Soldering Heat (Reflow)
Specified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%

Test Methods andRemarks

Reflow peak temperature: 250±5 deg CDuration time: 30±5 sec.
Measure after inductors are kept at room temperature for 24±4 hours.

14. ESDSpecified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%

Test Methods andRemarks

Per AEC-Q200-002

15. Solderability
Specified Value

More than 90% of terminal electrode shall be covered with fresh solder.

Test Methods andRemarks

Per J-STD-002a) Method B Solder at 235±5 deg C for 5 sec.
c) Method D Solder at 260±5 deg C for 30 sec.

16. Board Flex
Specified Value

Appearance：No significant abnormality in appearance.
Inductance change：Within ±10%
Solder the test samples to the test boards by the reflow soldering.
Apply a force in a downward direction until amount of deflection reaches 2mm.
The 2-mm deflection shall be held for 60 sec.
Test board dimensions:100mm×40mm×1.6mm.
20

Test Methods andRemarks

Force RodR340

BoardR5Test
45±2Sample
45±2▶ 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/) .
i_smd_NS_C_reli_e-E11R01

17. Terminal Strength (SMD)
Specified Value

Appearance：No significant abnormality in appearance.
Apply a force of 17.7N for 60±5 sec.

Test Methods andRemarks

18. Standard condition

Specified Value

Standard test condition :Unless otherwise specified, temperature is 20±15℃ and 65±20％of relative humidity.
When there is any question concerning measurement result: In order to provide correlation data, the test shall be condition of 20±2℃of temperature, 65±5% relative humidity.
Inductance is in accordance with our measured value.

▶ 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/) .
i_smd_NS_C_reli_e-E11R01

■Derating of Rated Current●LCRN series
Derating of current is necessary for LCRN series depending on ambient temperature.
Please refer to the chart shown below for appropriate derating of current.

101 type

100%
80%
60%
40%
Idc1

20%

125 type

120%

Ratio to rated current

Ratio to rated current

120%

100%
80%
60%
40%
Idc1

20%

Idc2

Idc2

0%-40-20

020

4060

Ambient Temperature80(℃)

100 120 140

0%-40-20020

406080100 120 140

Ambient Temperature (℃)

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