LSR37 Datasheet, PDF (8/8 Pages) List of Unclassifed Manufacturers – Low ohmic surge resistor

BCcomponents
Low ohmic surge resistor
Product specification
LSR37
IEC
60 115-1
CLAUSE
IEC
60 068-2
TEST
METHOD
TEST
PROCEDURE
REQUIREMENTS
4.25.1
4.8.4
4.7
4.6.1.1
4.13
4.26
endurance
temperature coefficient
voltage proof on insulation
insulation resistance
short time overload
high voltage pulse 10 kV;
1 nF; 50 × 12/min
12 kV ESD test; 100 pulses
active flammability
“Cheese-cloth test”
1000 hours at 70 °C; P_n or V_max
220 Ω to 910 Ω
1 kΩ to 10 kΩ
700 V (RMS) during 1 minute;
V-block method
500 V (DC) during 1 minute;
V-block method
room temperature;
dissipation 6.25 × P_n; 10 cycles; 5 s
on and 45 s off
for R_n > 3.3 kΩ
ESD contact discharge
5 × P_n (RMS) duration 5 minutes
∆R/R max.: ±3.0% + 0.1 Ω
0 to +600 × 10^−6/K
−600 to +200 × 10^−6/K
no breakdown
R_ins min.: 1 0⁴ MΩ
∆R/R max.: ±2.5% + 0.10 Ω
∆R/R max.: ±20%
(typical value ±10%)
∆R/R max.: ±20%
(typical value: ±10%)
no flaming of gauze cylinder
Other test in accordance with IEC 60695
2.2
passive flammability
application of test flame for 20 s no ignition of product
“Needle-flame test”
no ignition of under-layer
burning time less than 30 s
2002 Sep 26
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