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![BD139 Transistor Pinout, Equivalent, Features & More - Components Info](https://i2.wp.com/www.componentsinfo.com/wp-content/uploads/2018/06/bd139-transistor-pinout-equivalent-applications.gif)
BD139 Transistor Pinout, Equivalent, Features & More - Components Info
![ac - BT138+MOC3063. How to calculate resistor power? - Electrical](https://i2.wp.com/i.stack.imgur.com/1wV2o.png)
ac - BT138+MOC3063. How to calculate resistor power? - Electrical
![mains - Triggering BT139 triac with MOC3063 opto triac - Electrical](https://i2.wp.com/i.stack.imgur.com/6BVVj.png)
mains - Triggering BT139 triac with MOC3063 opto triac - Electrical
![BT139 Selling Leads, Price trend, BT139 DataSheet download, circuit](https://i2.wp.com/www.seekic.com/uploadfile/ic-data/2009330144759586.jpg)
BT139 Selling Leads, Price trend, BT139 DataSheet download, circuit
![Smart Phototherapy: Week 4 : Pulse Width Modulator ( PWM ) circuit and](https://2.bp.blogspot.com/-bXmt4MS70HU/TzttFh_EVnI/AAAAAAAAAEI/8FvlZTSGXys/s400/a.png)
Smart Phototherapy: Week 4 : Pulse Width Modulator ( PWM ) circuit and
![BT139 Datasheet - Triac ( 600 V, 800 V ) - NXP, Philips](https://i2.wp.com/j5d2v7d7.stackpathcdn.com/wp-content/uploads/2021/02/BT139-datasheet.gif)
BT139 Datasheet - Triac ( 600 V, 800 V ) - NXP, Philips
![AC single phase motor control with a TRIAC - failure to trigger](https://i2.wp.com/i.stack.imgur.com/cTnoP.png)
AC single phase motor control with a TRIAC - failure to trigger
![BT134 Selling Leads, Price trend, BT134 DataSheet download, circuit](https://i2.wp.com/www.seekic.com/uploadfile/ic-data/20081228172044303.jpg)
BT134 Selling Leads, Price trend, BT134 DataSheet download, circuit
![BT139 BT139 600E TO220 16A 600V integrated circuit-in Integrated](https://i2.wp.com/ae01.alicdn.com/kf/HTB1O2ldt_lYBeNjSszcq6zwhFXa4/BT139-BT139-600E-TO220-16A-600V-integrated-circuit.jpg)
BT139 BT139 600E TO220 16A 600V integrated circuit-in Integrated
![BT139 Selling Leads, Price trend, BT139 DataSheet download, circuit](https://i2.wp.com/www.seekic.com/uploadfile/ic-data/2009330144749817.jpg)
BT139 Selling Leads, Price trend, BT139 DataSheet download, circuit