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Mfr Part #
Price
Stock
Supplier
Mfr
Min Qty
DK Part #
Series
Package
Part Status
Triac Type
Voltage - Off State
Current - On State (It (RMS)) (Max)
Voltage - Gate Trigger (Vgt) (Max)
Current - Non Rep. Surge 50, 60Hz (Itsm)
Current - Gate Trigger (Igt) (Max)
Current - Hold (Ih) (Max)
Configuration
Operating Temperature
Mounting Type
Package / Case
Supplier Device Package
ALTNSTR 600V 40A 80-80-80MA TO21
ALTNSTR 600V 40A 80-80-80MA TO21
$7.53792
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
250
Non-Stock
18-Q6040KH6TP-ND
Qxx40xx
Tube
ActiveAlternistor - Snubberless1 kV40 A1.3 V335A, 400A80 mA80 mASingle-40°C ~ 125°C (TJ)Through HoleTO-218-3 Isolated Tab, TO-218ACTO-218AC Isolated
TRIAC  1000V 40A TO218
TRIAC 1000V 40A TO218
$10.12020
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
250
Non-Stock
18-QK040J7TPTR-ND
Qxx40xx
Tape & Reel (TR)
ActiveAlternistor - Snubberless1 kV40 A2 V335A, 400A100 mA100 mASingle-40°C ~ 125°C (TJ)Through HoleTO-218X-3 Isolated TabTO-218X Isolated
ALTNSTR 1000V 40A 50-50-50MA TO2
ALTNSTR 1000V 40A 50-50-50MA TO2
$10.99312
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
250
Non-Stock
18-QK040K5TP-ND
Qxx40xx
Tube
ActiveAlternistor - Snubberless1 kV40 A1.3 V335A, 400A50 mA75 mASingle-40°C ~ 125°C (TJ)Through HoleTO-218-3 Isolated Tab, TO-218ACTO-218AC Isolated
TRIAC 1000V 40A TO218AC
TRIAC 1000V 40A TO218AC
$11.63836
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
250
Non-Stock
18-QK040K4TP-ND
Qxx40xx
Tube
ActiveStandard1 kV40 A1.3 V335A, 400A50 mA80 mASingle-40°C ~ 125°C (TJ)Through HoleTO-218-3 Isolated Tab, TO-218ACTO-218AC Isolated
TRIAC 1000V 40A TO218X
TRIAC 1000V 40A TO218X
$11.66412
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
250
Non-Stock
18-QK040J4TP-ND
Qxx40xx
Tube
ActiveStandard1 kV40 A1.3 V335A, 400A50 mA80 mASingle-40°C ~ 125°C (TJ)Through HoleTO-218X-3 Isolated TabTO-218X Isolated
ALTNSTR 800V 40A 50-50-50 MA TO-
ALTNSTR 800V 40A 50-50-50 MA TO-
Active
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
-
Non-Stock
F9587-ND
Qxx40xx
Bulk
ActiveAlternistor - Snubberless800 V40 A1.3 V335A, 400A50 mA75 mASingle-40°C ~ 125°C (TJ)Chassis MountFastpak, TO-3 BaseTO-3/TO-239 (Fastpak)
ALTNSTR 800V 40A 50-50-50 MA TO-
ALTNSTR 800V 40A 50-50-50 MA TO-
Active
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
-
Non-Stock
F9588-ND
Qxx40xx
Bulk
ActiveAlternistor - Snubberless800 V40 A1.3 V335A, 400A50 mA75 mASingle-40°C ~ 125°C (TJ)Chassis MountFastpak, TO-3 BaseTO-3/TO-239 (Fastpak)
ALTNSTR 800V 40A 50-50-50 MA TO-
ALTNSTR 800V 40A 50-50-50 MA TO-
Active
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
-
Non-Stock
F9589-ND
Qxx40xx
Bulk
ActiveAlternistor - Snubberless800 V40 A1.3 V335A, 400A50 mA75 mASingle-40°C ~ 125°C (TJ)Chassis MountFastpak, TO-3 BaseTO-3/TO-239 (Fastpak)
ALTNSTR 800V 40A 50-50-50 MA TO-
ALTNSTR 800V 40A 50-50-50 MA TO-
Active
0 - Immediate
Littelfuse Inc.Littelfuse Inc.
-
Non-Stock
F9590-ND
Qxx40xx
Bulk
ActiveAlternistor - Snubberless800 V40 A1.3 V335A, 400A50 mA75 mASingle-40°C ~ 125°C (TJ)Chassis MountFastpak, TO-3 BaseTO-3/TO-239 (Fastpak)
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Thyristors - TRIACs


Thyristors conduct AC (alternating current) in one direction or one half of an AC cycle. A TRIAC (triode AC) conducts current in either direction when its gate is triggered. Other names include bidirectional triode thyristor or bilateral triode thyristor. TRIAC types are snubberless, alternistor, internally triggered, logic gate and standard which are chassis, surface or through-hole mount. Selection is by off state voltage, on state current, hold current and gate trigger voltage.