Planar passivated Silicon Controlled Rectifier (SCR) in a SOT78 (TO-220AB) plastic package intended for use in applications requiring high bidirectional blocking voltage capability, high current inrush capability and high thermal cycling performance.

Features and Benefits
  • AC power control
  • High bidirectional blocking voltage capability
  • High thermal cycling performance
  • Planar passivated for voltage ruggedness and reliability
  • Capacitive Discharge Ignition (CDI)
  • Crowbar protection
  • Inrush protection
  • Motor control
  • Voltage regulation
Package version
Package name
Product status
Tj [max]
VRRM [max]
Product Parametric
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BT145-800R VDRM repetitive peak off-state voltage       800 V
VRRM repetitive peak reverse voltage       800 V
IT(AV) average on-state current half sine wave; Tmb ≤ 101 °C     16 A
IT(RMS) RMS on-state current half sine wave; Tmb ≤ 101 °C     25 A
ITSM non-repetitive peak on-state current half sine wave; Tj(init) = 25 °C; tp = 10 ms     300 A
half sine wave; Tj(init) = 25 °C; tp = 8.3 ms     330 A
Tj junction temperature       125 °C
IGT gate trigger current VD = 12 V; IT = 0.1 A; Tj = 25 °C   5 35 mA
IL latching current VD = 12 V; IG = 0.1 A; Tj = 25 °C   25 80 mA
IH holding current VD = 12 V; Tj = 25 °C   20 60 mA
dVD/dt rate of rise of off-state voltage VDM = 536 V; Tj = 125 °C; (VDM = 67% of VDRM); exponential waveform; gate open circuit 200 500   V/µs
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
BT145-800R TO220.jpg
Horizontal, Rail Pack Volume production Standard Marking BT145-800R,127 9338 268 40127
Quality, reliability & chemical content
Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BT145-800R BT145-800R,127   BT145-800R Leaded E   NA NA
Ordering & availability
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BT145-800R 9338 268 40127 BT145-800R,127 NA NA  
IGT [max]
IT(RMS) [max]
ITSM [max] @ 50 Hz
VDRM [max]
Cross Reference
21RC5021RC50 25TTS08 2N6504G 2N6505TG 2N6506 2N6507TG 2N6508G 2N6509TG F2514BH F2514DH F2514MH F2514NH FS2510BH FS2510DH FS2510MH FS2510NH FS2510SH FS2514BH FS2514DH FS2514MH FS2514NH FS2514SH MCR25DG MCR25MG MCR25NG MCR69-1 MCR69-2G MCR69-3G MCR69-6
Orderable part number

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