BT151-500R Thyristor

High Voltage Handling – Up to 500V (V<sub>DRM</sub>/V<sub>RRM</sub>)
High Current Capacity – 12A RMS continuous, 100A surge (8.3ms)
Sensitive Gate Triggering – Triggered by low ~1.5V gate voltage
Robust Switching Control – Ideal for AC loads, rectification, and motor drives
Latch-Type Operation – Remains ON until current drops below holding level
TO-220 Package – Standard through-hole power package
Versatile Use – Suitable for dimmers, inverters, power controllers, and phase control systems

SKU: BT151

12,00 EGP

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Description

The BT151-500R is a silicon-controlled rectifier (SCR) thyristor designed for switching and power control applications. It can handle high voltages and currents, making it ideal for AC switching, motor control, and rectification.

⚡ Specifications:

Voltage Rating (V_DRM/V_RRM): 500V
Current Rating (I_T(RMS)): 12A
Peak Surge Current (I_TSM): 100A (8.3ms pulse)
Gate Trigger Voltage (V_GT): ~1.5V
Holding Current (I_H): ~15mA
Package: TO-220
Triggering Mode: Requires a small current at the Gate (G) to turn ON

🛠 Pinout:

Pin	Function
1 – Gate (G)	Triggering input (Low-power signal to turn ON SCR)
2 – Anode (A)	Connected to the positive supply
3 – Cathode (K)	Connected to the negative/ground

Specification

General

WeightWeight	0,0000 g
Type	Thyristor / SCR (Silicon Controlled Rectifier)
Model	BT151-500R
Maximum Repetitive Peak Voltage (VDRM)	500 V
Average On-State Current (IT(AV))	8 A
Non-Repetitive Peak Surge Current (ITSM)	150 A
Gate Trigger Current (IGT)	5–50 mA
Gate Trigger Voltage (VGT)	1.3–2.5 V
Maximum Holding Current (IH)	10 mA
Off-State Leakage Current (ID)	1 mA
On-State Voltage Drop (VT)	1.5–2.5 V
Operating Temperature	-40°C to +125°C
Mounting Type	Through-Hole (DO-204AB / TO-92 Package)
Applications	AC/DC Switching, Motor Control, Phase Control, Lamp Dimming, Industrial Electronics
Package Contents	1× BT151-500R Thyristor