Planar passivated Silicon Controlled Rectifier in a SOT1292(IITO3P) plastic package intended for use in applications requiring very high inrush current capability and high thermal cycling performance. It is used in applications where "high junction operating temperature capability" (Tj(max) = 150 °C) is required.

Features and Benefits
  • High thermal cycling performance
  • Planar passivated for voltage ruggedness and reliability
  • High voltage capacity
  • Very high current surge capability
  • High junction operating temperature capability (Tj(max) = 150 °C)
  • Line rectifying 50/60 Hz
  • Softstart AC motor control
  • DC Motor control
  • Power converter
  • AC power control
  • Lighting and temperature control
  • Uninterruptible Power Supply (UPS)
  • Solid State Relay (SSR)
  • Traction battery charging
  • Applications subject to high temperature (Tj(max) = 150 °C)
Quality, reliability & chemical content
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BT155Z-1200T VDRM repetitive peak off-state voltage       1200 V
VRRM repetitive peak reverse voltage       1200 V
IT(AV) average on-state current half sine wave; Tmb ≤ 73 °C     50 A
IT(RMS) RMS on-state current half sine wave; Tmb ≤ 73 °C; Fig. 1; Fig. 2; Fig. 3     79 A
ITSM non-repetitive peak on-state current half sine wave; Tj(init) = 25 °C; tp = 10 ms; Fig. 4; Fig. 5     650  
I2t I2t for fusing tp = 10 ms; sine-wave pulse     2113 A2s
dIT/dt rate of rise of on-state current IG = 200 mA     150 A/µs
IGM peak gate current       8 A
VRGM peak reverse gate voltage       5 V
PGM peak gate power       20 W
PG(AV) average gate power over any 20 ms period     1 W
Tstg storage temperature   -40   150 °C
Tj junction temperature       150 °C
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
BT155Z-1200T SOT1292
Horizontal, Rail Pack Volume production Standard Marking BT155Z-1200TQ 9340 708 31127
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BT155Z-1200T 9340 708 31127 BT155Z-1200TQ NA NA  


Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BT155Z-1200T BT155Z-1200TQ   BT155Z-1200T Leaded E   NA NA

Chemical Content - BT155Z-1200T

As a proactive and sustainable company, WeEn Semiconductors has decided to publish chemical content information of its product portfolio through direct Internet access. With this information, we can provide data to our customers to facilitate any assessment regarding compliance to the RoHS directive and lead-free status. WeEn Semiconductors has set a standard in the semiconductor business with this detailed level of data, directly retrieved from its general product database. WeEn Semiconductors products are compliant to the EU Directives RoHS, ELV and the China RoHS.


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