Planar passivated Silicon Controlled Rectifier in a SOT429N (TO247) 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
BT158W-1200T VDRM repetitive peak offstate voltage       1200 V
VRRM repetitive peak reverse voltage       1200 V
ITSM non-repetitive peak on-state current half sine wave; Tj(init) = 25 °C; tp = 10 ms; Fig. 4; Fig. 5     1100 A
non-repetitive peak forward current half sine wave; Tj(init) = 25 °C; tp = 8.3 ms     1210 A
Tj junction temperature       150 °C
IT(AV) average on-state current half sine wave; Tmb ≤ 117 °C     80 A
IT(RMS) RMS on-state current half sine wave; Tmb ≤ 117 °C; Fig. 1; Fig. 2; Fig. 3     126 A
IGT gate trigger current VD = 12 V; IT = 0.1 A; Tj = 25 °C; Fig. 7; Fig. 8     70 mA
dVD/dt rate of rise of off-state voltage VDM = 800 V; Tj = 125 °C; RGK = 100 Ω; (VDM = 67% of VDRM); exponential waveform 1500     V/μs
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
BT158W-1200T TO247
Horizontal, Rail Pack Volume production Standard Marking BT158W-1200TQ 9340 708 29127
Quality, reliability & chemical content
Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BT158W-1200T BT158W-1200TQ   BT158W-1200T Lead-freeD always Pb-free NA NA
Ordering & availability
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BT158W-1200T 9340 708 29127 BT158W-1200TQ NA NA  
IGT [max]
IT(RMS) [max]
ITSM [max] @ 50 Hz
VDRM [max]
Cross Reference
70TPS12 CLA80E1200HF
Orderable part number

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