ITC137P
Electrical Characteristics
Parameter
Conditions
Symbol
Min
Typ
Max
Units
Bridge Rectifier Electrical
Ratings @ 25°C
Reverse Voltage
-
VRD
VFD
IRD
-
-
-
-
100
1.5
V
V
Forward Drop Voltage
Reverse Leakage Current
IFD=120mA
TJ=25˚C, VR=100V
TJ=85˚C
-
-
-
-
10
50
µA
µA
Forward Current (Continuous)
Forward Current (Peak)
IFD
IFD
-
-
-
-
140
0.5
mA
A
t=10mS
Darlington Electrical
Ratings @ 25°C
Collector-Emitter Voltage
Collector-Current Continuous
Power Dissipation @ 25˚C
Ic=10mA DC, IB=0
VCEO
IC
40
-
-
-
-
-
V
VC=3.5V
-
120
500
mA
mW
Pd
-
Off-State Collector Emitter
Leakage Current
VCE=10V; IB=0mA
IC =120mA,
ICEX
hFE
-
-
-
1
-
µA
DC Current Gain
10,000
VCE =10VDC
Saturation Voltage
IC =120mA
VCE(SAT)
-
-
-
-
-
1.5
-80
V
Total Harmonic Distortion
fo=300Hz @ -10dBm
IC=40mA
dB
Zener Characteristics @ 25°C
Zener Voltage
(Between pins 4+5 and 6+5)
IZT=20mA
IZT=20mA
Vz
Vz
-
-
4.3
15
-
-
V
V
Zener Voltage
(Between pins 12+11)
Input to Output Capacitance
Input to Output Isolation
-
-
CI/O
VI/O
-
3
-
-
-
pF
3750
VRMS
EXAMPLE CIRCUIT
VCC
TIP
COUPLING
TRANSFORMER
1
2
16
15
10
680
4.7µF
+
MOSFET
DRIVER
CIRCUIT
A
RL
3
4
14
OFF-HOOK
RING
300V SURGE
PROTECTION
TELEPHONE
LINE
CPU
15Ω
13
12
11
B
10µF
A
51k
25k
5
6
4.7µF
15V
+
V
CC
B
7
8
10
9
RING
18Vx 2 0.47µF
8.2k
250V
DIGITAL
GROUND
ISOLATED
GROUND
Rev. X
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