Preliminary Information
Electrical Characteristics 0°C to 70 ° C
Characteristics
1
2
3
4
Resistance - absolute
Resistance - absolute
Resistance - match
Fuse
F1
0.25
Symbol
R1
R2
Min
4.5
4.5
Typ*
5.5
5.5
Max
6
6
1
Units
Ω
Ω
%
Amps
MH80625C
Test Conditions
Match between R1 &
R2
Littlefuse 2AG,
250VAC P/N 229.250
Slow Blow
Littlefuse 2AG,
250VAC P/N 229.250
Slow Blow
5
Fuse
F2
0.25
Amps
* Typical figures are at 25°C and are for design aid only.
Reference
Specification
1
CCITT K.20
Test
Lightning Surge
Simulation
Power Induction
Power Cross
Description
1kV
10 x 700
µsec
300 Vrms
200 msec
220 Vrms
15 min
Performance
No damage
No arcing, fuse intact
No damage
No arcing, fuse intact
No damage
No arcing, fuse blows
Comments
See Note 1
2
3
CCITT K.20
CCITT K.20
See Note 1
See Note 1
Note 1: Refer to CCITT K.20 specification for details of tests
.
MDF
PRIMARY
PROTECTION
SECONDARY
PROTECTION
TIN
8
F1
R1
5
RING
RELAY
R2
TOUT
MH89625C
TIP
1
TISP
3082
TIP
MH80625C
F2
3
RIN
RING
2
6
ROUT
7
P6KE39C
90 VRMS
25Hz
RING
RF2
6
RF1
-V
BAT
Figure 3 - Application Circuit - Secondary Protection
2-5
MITEL [ MITEL NETWORKS CORPORATION ]
