1) Variation of current and switching time with heat dissipation of mounting assembly must be taken into account.
Applications
Overcurrent protection for telecom applications
Suitable for MDF applications e.g. connectors etc.
Features
Designed for combined usage of PTC and primary protection
(e.g. gas arrester)
Matching available with narrow resistance tolerance
Tight resistance matching maintained after switching
Negligible resistance drift after soldering or switching
RoHS-compatible
Options
Alternative tolerances and resistances on request
Delivery mode
Type A93 packed in blister trays, type A10** packed in 16-mm blister tape on 330-mm reel,
taping to IEC 60286-3
General electrical data
Maximum fault voltage V
F,max
245 V AC
Max. operating voltage V
max
135 V AC
Operating temperature range (V = 0) T
op
20/+125 °C
Operating temperature range (V = V
max
) T
op
0/+70 °C
Electrical specifications and ordering codes
1)
Type
R
R
Ω
∆R
R
%
R
25,match
(per packing unit)
R
1
R
2
max
Ω
I
R
@
25°C
mA
I
R
@
70°C
mA
I
S
@
25°C
mA
I
Smax
A
t
S
(typ.)
@ ISmax
s
Ordering code
Round disks, contacts for clamp connection
A93 4.75 ±15 0.9 160 70 370 1.0 4 B59093A0080B110
Round disks, contacts for solder connection
A1037 10 ±15 1.0 140 95 300 1.0 2.0 B59037A1120B162
A1042 10 ±15 1.0 150 100 300 1.0 4.0 B59042A1120B162
A1041 25 ±15 1.0 100 65 200 2.8 0.2 B59041A1120B162
A1044 35 ±15 1.0 90 55 180 2.8 1.15 B59044A1120B162
Overcurrent protection for telecom
Leadless round disks
Page 2 of 8Please read Cautions and warnings and
Important notes at the end of this document.
