Planar passivated Silicon Controlled Rectifier in a TO247 (SOT429) 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
Quality, reliability & chemical content
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
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BT158W-1200T 9340 708 29127 BT158W-1200TQ NA NA  


Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BT158W-1200T BT158W-1200TQ   BT158W-1200T Lead-free D always Pb-free NA NA

Chemical Content - BT158W-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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