Reverse Blocking Triode Thyristor
TFA5x Series Reverse Blocking Triode Thyristor
Features and Benefits
▪ Exceptional reliability ▪ Small fully-molded SIP ...
Description
TFA5x Series Reverse Blocking Triode Thyristor
Features and Benefits
▪ Exceptional reliability ▪ Small fully-molded SIP package with heatsink mounting for high thermal dissipation and long life ▪ Operating junction temperature to 150°C ▪ VDRM of 700 or 800 V ▪ 7.8 ARMS on-state current ▪ 7 mA typical gate trigger current ▪ Uniform switching ▪ UL Recognized Component (File No.: E118037) (suffix I)
Description
This Sanken reverse blocking triode thyristor is designed for AC power control, providing reliable, uniform switching for half-cycle AC applications. In comparison with other products on the market, the TFA5x series provides increased isolation voltage (1800 VACRMS), guaranteed for up to 1 minute. In addition, commutation dv/dt is improved.
Package: 3-pin SIP (TO-220F)
Applications
▪ Motor control for small tools ▪ Temperature control, light dimmers, electric blankets ▪ General use switching mode power supplies (SMPS)
Not to scale
Typical Applications
M
Single-phase motor control (for example, electric tool)
In-rush current control (for example, SMPS)
28105.02, Rev. 1
TFA5x Series
Selection Guide
Part Number
TFA57(I) TFA57S TFA58(I) TFA58S
Reverse Blocking Triode Thyristor
VDRM (V)
700 700 800 800
UL-Recognized Component
Yes – Yes –
Package
3-pin fully molded SIP with heatsink mount
Packing
50 pieces per tube
Absolute Maximum Ratings
Characteristic Peak Repetitive Off-State Voltage Isolation Voltage Average On-State Current RMS On-State Current Surge On-St...
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