Specs side by side
2 parts compared · 0 differing specs across 5 total parameters.
| Parameter | ||
|---|---|---|
| Case | TO-220AB (SOT78) | TO-220AB (SOT78) |
| Component Category | SCRs (Thyristors) | SCRs (Thyristors) |
| Market Reality | The BT151 is the 12A workhorse SCR of battery chargers, motor speed controllers, welder crowbars and heating control - a TO-220AB thyristor whose orderable number carries both its blocking voltage (500/600/650/800V suffixes) and hides its gate sensitivity in the grade. Its family ladder is well stocked and genuinely interchangeable with reading: BT152 as the 20A rung, the ST-named TYN612/TYN616 as direct counterparts, TYN812 for the 800V class. Two traps surround it: the gate trigger current differs across the ladder (a swap that will not latch on cold boards), and the name sits one digit from the BT136/BTA16 triac family - a different device in a different circuit, sharing only a drawer. | The BT151 is the 12A workhorse SCR of battery chargers, motor speed controllers, welder crowbars and heating control - a TO-220AB thyristor whose orderable number carries both its blocking voltage (500/600/650/800V suffixes) and hides its gate sensitivity in the grade. Its family ladder is well stocked and genuinely interchangeable with reading: BT152 as the 20A rung, the ST-named TYN612/TYN616 as direct counterparts, TYN812 for the 800V class. Two traps surround it: the gate trigger current differs across the ladder (a swap that will not latch on cold boards), and the name sits one digit from the BT136/BTA16 triac family - a different device in a different circuit, sharing only a drawer. |
| Role In Circuit | Original Reference Part | Original Reference Part |
| Sourcing Status | Active Shenzhen Spot Sourcing (24–48h) | Active Shenzhen Spot Sourcing (24–48h) |
Parts
- BT151-600R · ween-semiconductors
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