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INDUSTRIAL / Automotive Grade Multilayer Chip Inductor Type 3655 Series

Automotive Grade Multilayer Chip Inductor

Type 3655 Series

Item

Requirement

Test Condition

High temperature

exposure (Storage)

No visible damage.

Inductance: ΔL/L within ±10%

Q: ΔQ/Q within ±20%

Temperature: 125°C, unpowered, duration 1000hrs.

Examination at 250hrs, 500hrs and 1000hrs.

Measurement at 24hrs ±4hrs after test conclusion.

Temperature cycle

No visible damage.

Inductance: ΔL/L within ±10%

Q: ΔQ/Q within ±20%

High temperature: 125°C; Low temperature: -55°C.

Duration at each temperature 30min; Transition time: ≤1min;

Severity: 1000 cycles.

Measurement at 24hrs ±4hrs after test conclusion.

Biased humidity

No visible damage.

Inductance: ΔL/L within ±10%

Q: ΔQ/Q within ±20%

High temperature: 125°C; Low temperature: -55°C.

Duration at each temperature 30min; Transition time: ≤1min;

Severity: 1000 cycles.

Measurement at 24hrs ±4hrs after test conclusion.

Operational life

No visible damage.

Inductance: ΔL/L within ±10%

Q: ΔQ/Q within ±20%

Temperature: 125°C

.

Testing current: rated current at normal temperature.

Duration: 1000hrs.

Measurement at 24hrs ±4hrs after test conclusion.

Mechanical shock

No visible damage.

Inductance: ΔL/L within ±10%

Q: ΔQ/Q within ±20%

Half sine wave. Peak value 100g.

Normal duration 6ms

Three shocks in each direction shall be applied along the

three mutually perpendicular axes of the test specimen (18

shocks)

Vibration

No visible damage.

Inductance: ΔL/L within ±10%

Q: ΔQ/Q within ±20%

The entire frequency range of 10~2000Hz and return to 10Hz

shall be traversed in 20minutes. This cycle shall be preformed 12

times in each of three mutually perpendicular directions (total of

36 times), so that the motion shall be applied for a total period

of approximately 12hrs.

Peak value 5g.

Resistance to soldering

heat

No visible damage.

Inductance: ΔL/L within ±10%

Q: ΔQ/Q within ±20%

Solder bath temperature: 260°C ±5°C.

Immersion time: 10s ±1s.

Solderability

95% or more of electrode area

shall be coated by new solder.

Solder bath: Lead-free solder; Temperature: 245°C ±5°C.

Immersion time: 3s ±0.3s.

Board flex

No visible damage.

Inductance: ΔL/L within ±10%

Q: ΔQ/Q within ±20%

The testing samples shall be mounted on a 100m x 40mm FR4

PCB board, which is 1.6mm ±0.2mm thick.

Bending shall be applied to the 2.0mm with 1.0mm/sec.

Duration: 60s ±5s.

ENVIRONMENTAL CHARACTERISTICS