THBT15011_08 Datasheet, PDF (4/10 Pages) STMicroelectronics – Tripolar overvoltage protection for telecom line

Characteristics
THBT15011, THBT20011, THBT27011
Table 5. Dynamic breakover voltages (transversal mode)
Type
Symbol
Test conditions⁽¹⁾
THBT15011D
V_BO
10/700μs
1.2/50μs
2/10μs
1.5kV
1.5kV
2.5kV
Rp=10Ω
Rp=10Ω
Rp=62Ω
I_PP=30A
I_PP=30A
I_PP=38A
THBT20011D
V_BO
10/700μs
1.2/50μs
2/10μs
1.5kV
1.5kV
2.5kV
Rp=10Ω
Rp=10Ω
Rp=62Ω
I_PP=30A
I_PP=30A
I_PP=38A
THBT27011D
V_BO
10/700μs
1.2/50μs
2/10μs
1.5kV
1.5kV
2.5kV
Rp=10Ω
Rp=10Ω
Rp=62Ω
I_PP=30A
I_PP=30A
I_PP=38A
1. See test circuit 3 for V_BO dynamic parameters; R_p is the protection resistor located on the line card.
Figure 4. Test circuit 1 for I_BO and V_BO parameters
Max Unit
190
190
V
200
270
270
V
280
360
360
V
400
220V 50Hz
K
ton = 20ms
Vout
R1 = 140Ω
R2 = 240Ω
DUT
VBO
measurement
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IBO
measurement
TEST PROCEDURE
Pulse test duration (tp = 20ms):
● for Bidirectional devices = Switch K is closed
● for Unidirectional devices = Switch K is open
VOUT selection:
● Device with VBO < 200 V➔ VOUT = 250 VRMS, R1 = 140 Ω
● Device with VBO ≥ 200 V➔ VOUT = 480 VRMS, R2 = 240 Ω
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