MOLDED WIREWOUND CHIP INDUCTORS
9. RELIABILTY TEST :
HWI322522 SERIES
TEST ITEM
SPECIFICATION
TEST CONDITION / TEST METHOD
ELECTRICAL PERFORMANCE TEST
INDUCTANCE L
Q
SELF RESONANCE
FREQUENCY SRF
DC RESISTANCE RDC
REFER TO STANDARD
ELECTRICAL
CHARACTERISTIC LIST
APPLIED THE CURRENT TO COILS, THE
INDUCTANCE CHANGE SHALL BE LESS THAN 10%
TO INITIAL VALUE & TEMPERATURE RISE SHALL
RATED CURRENT IDC
NOT BE MORE THAN 20°C
1. APPLIED THE ALLOWED DC CURRENT FOR
TEMPERATURE
RISE TEST
20°C MAX
10 MINUTES
2. TEMPERATURE MEASURE BY DIGITAL
SURFACE THERMOMETER
AFTER TEST, INDUCTORS
OVER LOAD TEST
SHALL BE NO EVIDENCE
OF ELECTRICAL AND
MECHANICAL DAMAGE
AFTER TEST, INDUCTORS
WITHSTANDING
VOLTAGE TEST
SHALL BE NO EVIDENCE
OF ELECTRICAL AND
MECHANICAL DAMAGE
INSULATION
RESISTANCE TEST
1000 MOHM MIN.
100 VDC APPLIED BETWEEN INDUCTOR TERMINAL
AND COATING
AC VOLTAGE OF 1000VAC APPLIED BETWEEN
INDUCTORS TERMINAL AND CASE FOR 5 MINUTES
APPLIED 2 TIMES OF RATED ALLOWED DC
CURRENT TO INDUCTOR FOR A PERIOD OF
5 MINUTES
HP4194A,
HPE4991A,
HP4285A
HP4194A,
502BC
HPE4991A
IMPEDANCE ANALYZER :
DIGITAL MULITMETER :
MECHANICAL PERFORMANCE TEST
1. INDUCTORS SHALL BE
VIBRATION TEST
( LOW FREQUENCY )
NO EVIDENCE OF
ELECTRICAL AND
MECHANICAL DAMAGE
2. INDUCTANCE SHALL
SHOCK TEST
NOT CHANGE MORE
THAN ±5%
RESISTANCE TO
SOLDERING HEAT
3. Q SHALL NOT CHANGE
MORE THAN ±20%
1. AMPLITUDE :1.5 m/m
2. FFREQUENCY :10 -- 55 -- 10 HZ / 1MIN
3. DIRECTION :X, Y, Z
4. DURATION :2 HRS / X, Y, Z
INDUCTORS SHALL BE DROPPED 10 TIMES FROM
A HEIGHT OF 1m ONTO 3cm WOODEN BOARD
TEMP :260±5°C
TIME :10±1.0 SEC
NOTE : Specifications subject to change without notice. Please check our website for latest information.
26.02.2009
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 5
SUPERWORLD [ SUPERWORLD ELECTRONICS ]
