參數(shù)資料
型號(hào): AC01
廠商: NXP Semiconductors N.V.
英文描述: Cemented wirewound resistors
中文描述: 硬質(zhì)合金線繞電阻
文件頁數(shù): 23/24頁
文件大?。?/td> 144K
代理商: AC01
2000 Oct 20
23
BCcomponents
Product specification
Cemented wirewound resistors
AC01/03/04/05/07/10/15/20
TESTS AND REQUIREMENTS
Essentially all tests are carried out in accordance with the
schedule of
IEC publications 60115-1 and 60115-4
,
category 40/200/56 (rated temperature range
40
°
C to
+200
°
C; damp heat, long term, 56 days). The testing also
covers the requirements specified by EIA and EIAJ.
The tests are carried out in accordance with IEC publication
60068,
Recommended basic climatic and mechanical
robustness testing procedure for electronic components
and under standard atmospheric conditions according to
IEC 60068-1
, subclause 5.3.
In Table 5 the tests and requirements are listed with
reference to the relevant clauses of
IEC publications 60115-1, 115-4 and 68
; a short
description of the test procedure is also given. In some
instances deviations from the IEC recommendations were
necessary for our method of specifying.
All soldering tests are performed with mildly activated flux.
Table 5
Test procedures and requirements
IEC
60115-1
CLAUSE
IEC
60068
TEST
METHOD
TEST
PROCEDURE
REQUIREMENTS
Tests in accordance with the schedule of IEC publication 60115-1
4.15
robustness of
resistor body
load 200
±
10 N
no visible damage
R/R max.:
±
0.5% + 0.05
4.16
U
robustness of
terminations:
tensile all samples
bending half
number of samples
torsion other half of
samples
solderability
resistance to soldering
heat
rapid change of
temperature
vibration
Ua
Ub
load 10 N; 10 s
load 5 N 90
°
, 180
°
, 90
°
Uc
2
×
180
°
in opposite directions
no visible damage
R/R max.:
±
0.5% + 0.05
good tinning; no damage
R/R max.:
±
0.5% + 0.05
4.17
4.18
Ta
Tb
2 s; 235
°
C; flux 600
thermal shock: 3 s; 350
°
C;
2.5 mm from body
30 minutes at
40
°
C and
30 minutes at +200
°
C; 5 cycles
frequency 10 to 500 Hz; displacement
0.75 mm or acceleration 10 g;
3 directions; total 6 hours (3
×
2 hours)
4000
±
10 bumps; 390 m/s
2
4.19
14 (Na)
no visible damage
R/R max.:
±
1% + 0.05
no damage
R/R max.:
±
0.5% + 0.05
4.22
Fc
4.20
Eb
bump
no damage
R/R max.:
±
0.5% + 0.05
R = 6 mm
load
MBB179
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