Planar passivated Silicon Controlled Rectifier in a SOT1259 (3-lead TO-3P) plastic package intended for use in applications requiring very high inrush current capability and high thermal cycling performance.

Features and Benefits
  • High thermal cycling performance
  • Planar passivated for voltage ruggedness and reliability
  • High voltage capacity
  • Very high current surge capability
  • 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
Package version
Package name
Product status
Tj [max]
VRRM [max]
Product Parametric
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BT155K-1200T VDRM repetitive peak offstate voltage   - - 1200 V
VRRM repetitive peak reverse voltage   - - 1200 V
IT(AV) average on-state current half sine wave; Tmb ≤ 131 °C - - 50 A
IT(RMS) RMS on-state current half sine wave; Tmb ≤ 131 °C - - 79 A
ITSM non-repetitive peak onstate current half sine wave; Tj(init) = 25 °C; tp = 10ms - - 650 A
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
BT155K-1200T SOT1259
Horizontal, Rail Pack Volume Production Standard Marking BT155K-1200TQ 9340 698 65127
Quality, reliability & chemical content
Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BT155K-1200T BT155K-1200TQ   BT155K-1200T LeadedH   NA NA
Ordering & availability
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BT155K-1200T 9340 698 65127 BT155K-1200TQ NA NA  
IGT [max]
IT(RMS) [max]
ITSM [max] @ 50 Hz
VDRM [max]
Cross Reference
Orderable part number

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