TB4000M device equivalent, surface mount thyristor surge protective device.
Oxide Glass Passivated Junction Bidirectional protection in a single device Surge capabilities up to 80A @10/1000us or 250A @8/20us High off state Impedance and low on st.
TB0640M thru TB4000M
RING TIP
FUSE TSPD 1
TELECOM EQUIPMENT
E.G. MODEM
RING TIP
PTC TSPD 1
TSPD 2 PTC
TELECOM EQUI.
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