2002 Jan 25 7
BCcomponents Preli mi nary specification
Surface mount multilayer varistors 2322 574 .....
Sub-group C3 D
4.6 Capacitance 5 specimens:
f = 1 kHz; signal level 1 Vrms;
zero bias as specifie d
Resistance to soldering heat:
Test Td of “IEC 60068-2-58”, solder reflow
method
visual examinat ion
at 1 mA no visible damage
∆V/V: ±5% max.
Rapid change of temperature:
Test Na of “IEC 60068-2-14”
visual examinat ion
LCT −55 °C and UCT 125 °C
at 1 mA
no visible damage
∆V/V: ±5% max.
4.14 Shock pulse shape: half sine
acceleratio n: 490 m/s2
duration: 11 ms
3 × 6 shocks
visual examinat ion
at 1 mA
no visible damage
∆V/V: ±5% max.
Sub-group C3 (continued) D
4.16. Climatic sequence: all specimens:
Dryheat
Damp hea t, cyclic, first cycle
Cold
Damp heat, cyclic, remaining cycles
Final measurement
visual examinat ion
at 1 mA no visible damage
∆V/V: ±5% max.
4.9.Robustness of terminations:
Test Ue of “IEC 60068-2-21”, bending
severity level 2 mm
visual examinat ion
∆V/V: ±5% max.
no interruption
no visible damage
as specifie d
Sub-group C4 D
Endurance at upper catego ry tem peratu re 10 specimens:
1000 h at 125 °C and at max.
AC voltage
examination afte r 168 h,
500 h and 1000 h
visual examinat ion
at 1 mA
no visible damage
∆V/V: ±10% max.
1000 h at 125 °C and at max.
DC voltage
examination afte r 168 h,
500 h and 1000 h
visual examinat ion
at 1 mA
no visible damage
∆V/V: ±10% max.
TEST / CONDITIONS OF TEST D OR ND PROCEDURE PERFORMANCE