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THBT27011DRL Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte THBT27011DRL
Spiegazioni elettronici  TRIPOLAR OVERVOLTAGE PROTECTION FOR TELECOM LINE
PDF  9 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

THBT27011DRL Scheda tecnica(HTML) 4 Page - STMicroelectronics

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TEST CIRCUIT 1 for IBO and VBO parameters :
static
relay.
R1
R2
240
140
D.U.T
V BO
measure
IBO
measure
tp =20ms
K
Transformer
220V/800V
5A
Auto
Transformer
220V/2A
Vout
TEST PROCEDURE :
n Pulse Test duration (tp = 20ms):
- For Bidirectional devices = Switch K is closed
- For Unidirectional devices = Switch K is open.
n VOUT Selection
- Device with VBO
< 200 Volt
-VOUT = 250 VRMS,R1 = 140
Ω.
- Device with VBO
 200 Volt
-VOUT = 480 VRMS,R2 = 240
Ω.
TEST CIRCUIT 2 for IH parameter.
R
-VP
VBAT =-48 V
Surge generator
D.U.T.
This is a GO-NOGO test which allows to confirm the holding current (IH) level in a functional
test circuit.
TEST PROCEDURE :
n 1) Adjust the current level at the IH value by short circuiting the AK of the D.U.T.
2) Fire the D.U.T with a surge Current : Ipp = 10A , 10/1000
µs.
3) The D.U.T will come back off-state within 50 ms max.



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