TN5050H-12WY STMicroelectronics SCR (Transistor Outline, Vertical) In Stock

The TN5050H-12WY is an STMicroelectronics silicon controlled rectifier (SCR/thyristor) rated for a 1200V repetitive peak off-state voltage with a 50mA maximum DC gate trigger current, packaged in a vertical transistor outline for high-power switching applications. Available from stock with worldwide shipping.

ACTIVESCRVerified Jul 2026
Package / Visual Reference
TN5050H-12WYTransistor Outline, Vertical
Quick Facts
Manufacturer
STMicroelectronics
Package
Transistor Outline, Vertical
Pin Count
3
Lifecycle
ACTIVE
Category
SCR
Price
From $2.5600(MOQ 1)
Temp Range
-40.0°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of TN5050H-12WY?

  • 1200V repetitive peak off-state voltage rating
  • 50mA maximum DC gate trigger current
  • 100mA maximum holding current
  • 150µs circuit commutated turn-off time
  • 1000 V/µs minimum critical rate of rise of off-state voltage
  • 633A non-repetitive peak on-state surge current

What is TN5050H-12WY used for?

The TN5050H-12WY thyristor is well suited for high-voltage AC power control applications such as motor soft-starters, industrial heaters, and phase-controlled rectifier circuits. Its 1200V blocking voltage and high surge current rating make it appropriate for AC line switching, welding equipment, and power conversion systems requiring robust surge withstand. The vertical transistor outline package supports efficient heat sinking in high-power enclosures.

What are the specifications of TN5050H-12WY?

Factory Lead Time45Weeks
Circuit Commutated Turn-off Time-Nom150 µs
Critical Rate of Rise of Off-State Voltage-Min1000V/us
DC Gate Trigger Current-Max50mA
DC Gate Trigger Voltage-Max1V
Holding Current-Max100mA
JESD-609 Codee3
Non-Repetitive Pk On-state Cur633A
On-state Current-Max32000A
Repetitive Peak Off-state Voltage1200V
Surface MountNO
Terminal FinishMatte Tin (Sn) - annealed
Trigger Device TypeSCR
PackageTransistor Outline, Vertical

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99
Country of OriginMainland China

Where can I find the TN5050H-12WY datasheet?

TN5050H-12WY Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for TN5050H-12WY?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

How much reverse blocking voltage can the TN5050H-12WY handle in AC line applications?

The TN5050H-12WY is rated for a 1200V repetitive peak off-state voltage, allowing it to block high AC line transients while switching loads in industrial motor control and power conversion circuits without breakdown.

What role does the vertical transistor outline package play in this thyristor's power handling?

The TN5050H-12WY is housed in a vertical transistor outline package built for heat-sink mounting, and it supports a 633A non-repetitive peak on-state surge current alongside a 100mA holding current, enabling reliable heat dissipation in high-power AC switching enclosures.

Why does turn-off timing matter for the TN5050H-12WY in phase-controlled circuits?

This SCR has a circuit commutated turn-off time of 150µs and a minimum critical rate of rise of off-state voltage of 1000 V/us, giving designers predictable switching behavior in phase-controlled rectifier and AC power control circuits.

Related Guides

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About STMicroelectronics

STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.

AvailabilityIn Stock
Reference Price (USD)
From $2.5600
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$6.0800$6.08
3+$5.5400$16.62
10+$3.8200$38.20
100+$3.1900$319.00
150+$2.6000$390.00
400+$2.5600$1024.00
pcs
Unit price: $6.0800 · Total: $6.08

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Response time is incredible — usually under 4 hours. They understand that production lines can't wait.

JW
James Wright
Supply Chain Director, CircuitPro Ltd, UK