MOLDED WIREWOUND CHIP INDUCTORS
HWI252018 SERIES
9. RELIABILTY TEST :
TEST ITEM
SPECIFICATION
TEST CONDITION / TEST METHOD
ELECTRICAL PERFORMANCE TEST
INDUCTANCE L
Q-METER : HP4342A, HP4194A, HPE4991A
Q
SELF RESONANCE
FREQUENCY SRF
IMPEDANCE ANALYZER : HP4194A, HPE4991A
REFER TO STANDARD
ELECTRICAL
WHEATSTONE BRIDGE : YEW-2755
DIGITAL MULITMETER : 502BC
DC RESISTANCE RDC
RATED CURRENT IDC
CHARACTERISTIC LIST
APPLIED THE CURRENT TO COILS, THE
INDUCTANCE CHANGE SHALL BE LESS THAN 10%
TO INITIAL VALUE & TEMPERATURE RISE SHALL
NOT BE MORE THAN 20° C
1. APPLIED THE ALLOWED DC CURRENT FOR
10 MINUTES
TEMPERATURE
RISE TEST
20° C MAX
2. TEMPERATURE MEASURE BY DIGITAL
SURFACE THERMOMETER
AFTER TEST, INDUCTORS
SHALL BE NO EVIDENCE
OF ELECTRICAL AND
APPLIED 2 TIMES OF RATED ALLOWED DC
CURRENT TO INDUCTOR FOR A PERIOD OF
5 MINUTES
OVER LOAD TEST
MECHANICAL DAMAGE
AFTER TEST, INDUCTORS
SHALL BE NO EVIDENCE
OF ELECTRICAL AND
WITHSTANDING
VOLTAGE TEST
AC VOLTAGE OF 1000VAC APPLIED BETWEEN
INDUCTORS TERMINAL AND CASE FOR 1 MINUTE
MECHANICAL DAMAGE
INSULATION
100 VDC APPLIED BETWEEN INDUCTOR TERMINAL
AND CASE
1000 MOHM MIN.
RESISTANCE TEST
MECHANICAL PERFORMANCE TEST
1. INDUCTORS SHALL BE
1. AMPLITUDE :1.5m/m
VIBRATION TEST
NO EVIDENCE OF
ELECTRICALAND
2. FFREQUENCY :10 -- 55 -- 10HZ /1MIN
3. DIRECTION :X,Y,Z
( LOW FREQUENCY )
MECHANICAL DAMAGE
4. DURATION :2 HRS /X,Y,Z
2. INDUCTANCE SHALL
NOT CHANGE MORE
THAN ±5%
INDUCTORS SHALL BE DROPPED 10 TIMES FROM
A HEIGHT OF 1m ONTO 3cm WOODEN BOARD
SHOCK TEST
RESISTANCE TO
SOLDERING HEAT
3. Q SHALL NOT CHANGE
MORE THAN ± 20%
TEMP :260± 5° C
TIME :10± 1.0SEC
NOTE : Specifications subject to change without notice. Please check our websitefor latestinformation.
30.10.2012
PG. 5
SUPERWORLD ELECTRONICS (S) PTE LTD
SUPERWORLD [ SUPERWORLD ELECTRONICS ]
