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BTA24, BTB24, BTA25, BTA26
and T25 series
SnuberrlessTM and Standard
25 A Triacs
Main features A2
Symbol Value Unit
G
IT(RMS) 25 A A1
VDRM/VRRM 600 and 800 V A2
IGT (Q1) 35 to 50 mA
A1 A1
A2
Description G A2
G
TO-220AB Insulated TO-220AB
Available either in through-hole or surface-mount (BTA24) (BTB24)
packages, the BTA24, BTB24, BTA25, BTA26
A1
and T25 triac series is suitable for general G A2
purpose AC switching. They can be used as an
ON/OFF function in applications such as static
relays, heating regulation, induction motor starting A1
A2
G
circuits... or for phase control operation in light
dimmers, motor speed controllers, ... RD91 TOP3 Insulated
(BTA25) (BTA26)
The snubberless versions (BTA/BTB...W and T25
series) are specially recommended for use on
A2
inductive loads, thanks to their high commutation
performances. By using an internal ceramic pad, A1 A2
the BTA series provides voltage insulated tab G
(rated at 2500VRMS) complying with UL standards D2PAK
(File ref.: E81734). (T25-G)
Order codes
Part Number Marking
BTA24-xxxxxRG
BTB24-xxxxxRG
BTA25-xxxxxRG
See Table 6 on page 6
BTA26-xxxxxRG
T25xx-xxxG
T25xx-xxxG-TR
TM: Snubberless is a trademark of STMicroelectronics
July 2006 Rev 9 1/12
www.st.com 12
Characteristics BTA24, BTB24, BTA25, BTA26 and T25 series
1 Characteristics
Table 1. Absolute maximum ratings
Symbol Parameter Value Unit
D2PAK /
Tc = 100