# SCR THYRISTOR, 350A, 4.5KV, T 82

![Product image](https://novapart.co/image/farnell:4687747/)

**URL**: https://novapart.co/products/T8K7453503DH/scr-thyristor-350a-45kv-t-82
**SKU**: T8K7453503DH
**Manufacturer**: POWEREX
**Category**: Semiconductors - Discretes || Thyristors || Thyristors - SCR Modules
**Price**: €165.0600
**Stock**: 10+
**Lead Time**: 71 days (indicative)

## Description

Peak R; SCR THYRISTOR, 350A, 4.5KV, T 82; Peak Repetitive Off-State Voltage, Vdrm:4.5kV; Gate Trigger Current Max, Igt:200mA; Current It av:350A; On State RMS Current IT(rms):550A; Thyri

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (17-Jan-2023) |
| No. Of Pins | - |
| Product Range | - |
| Scr Module Type | Single SCR |
| Thyristor Mounting | Panel |
| On State Rms Current | 550A |
| Thyristor Case Style | Pow-R-Disc |
| Average Forward Current | 350A |
| Gate Trigger Current Max | 200mA |
| Gate Trigger Voltage Max | 3V |
| Operating Temperature Max | 125°C |
| Repetitive Peak Reverse Voltage | 4.5kV |
| Peak Repetitive Off State Voltage | 4.5kV |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4687747/)

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T8K7 350A (Outline Drawing) 

## Description: 

Powerex Silicon Controlled 

Rectifiers (SCR) are designed for phase control applications. These are all-diffused, Press-Pak, hermetic Pow-R-Disc devices employing the field proven amplifying gate. 

## Features: 

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Ordering Information:<br>Select the[“voagecompleteP 12 digitomepart number yyou desire from the table below.<br>VorwRRM [CurentNav) | Two4 | —‘GatoGurentlet | Lead<br>Type (Volts) (A) (usec) (mA) Code<br>T8K7 36 35 0 3 DH<br>40<br>45<br>3600V 350A 250usec 200mA 12"<br>4000V (Typical)<br>4500V<br>**----- End of picture text -----**<br>


- [] Low On-State Voltage L] High. di/dt. Capability.. 1 High dvidt Capability L] Hermetic; Packaging O Excellent Surge and |2t Ratings 

- Applications: [] Power Supplies (] Motor Control 

P-125 

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POWEREX<br>**----- End of picture text -----**<br>


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## T8K7 350A Phase Control SCR 350 Amperes Average, 4500 Volts 

## Absolute Maximum Ratings 

|Characteristics||Symbol|T8K7350A||Units||
|---|---|---|---|---|---|---|
|Non-repetitive Transient Peak Reverse Voltage||VRSM|Varn + 100V||Volts||
|RMSOn-state Current, To =76°C||IT(rms)|550||Amperes||
|Average Current 180°SineWave,To =76°C||It(av)|350||Amperes|-|
|RMSOn-state Current, Tq=55°C||IT(rms)|710||Amperes||
|Average Current 180° SineWave,To =55°C||IT(av)|450||Amperes||
|PeakOne CycleSurge On-state Current (Non-repetitive) 60Hz||lism|5500||Amperes||
|PeakOne CycleSurge On-state Current (Non-repetitive) 50Hz||lism|5060||Amperes||
|Critical Rate-of-rise ofOn-state Current (Non-repetitive)||di/dt|500||A/usec||
|Critical Rate-of-rise of On-state Current (Repetitive)||di/dt|150||A/usec||
|It (for Fusing) forOne Cycle, 60Hz||it|100,000||A?sec||
|Peak Gate Power Dissipation||Pom|50||Watts||
|AverageGate Power Dissipation||Pqiav)|5||Watts||
|OperatingTemperature||qj|-40 to+125°C||°C||
|StorageTemperature||Tstg|-40to+150°C|-|°C||
|Approximate Weight|||8||oz.||
||7||227||g||
|Mounting Force|||3000 to 3500||Ib.||
||||1360to1590||kg.||



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P-126 

## POWEREX 

a Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 Powerex, Europe, S.A. 428 Avenue G. Durand, BP107, 72003 Le Mans, France (43) 41.14.14 

T8K7 350A Phase Control SCR 350 Amperes Average, 4500 Volts 

## Electrical Characteristics, Tj = 25°C Unless Otherwise Specified 

|Characteristics|Symbol||Test Conditions|Min.|Typ.|Max.|Units|
|---|---|---|---|---|---|---|---|
|Repetitive Peak Reverse Leakage Current|IRRM|T = 125°C, Vp =VaRM||||75|mA|
|Repetitive Peak Forward Leakage Current|IDRM|T; = 125°C, Vp =VoRM||||75|mA|
|Peak On-state Voltage|VT™|ITM = 1000A Peak||||3.5|Volts|
||||tp =8msec|||||
|Threshold Voltage, Low-level|ViTo)y1|Tj = 125°C,|1 = 15%, It(ayy to mT(gy)|||1.5618|Volts|
|Slope Resistance, Low-level|TH|||||2.1412|mQ|
|Threshold Voltage, High-level|VTo)2|Tj = 125°C,<br>| = mlq(ay) toTsu||||2.7113|Volts|
|Slope Resistance, High-level|'T2|||||0.96929|mQ|
|||||||Ay = 1.1505||
|||||||By, = -0.14678||
|||||||Cy = -9.586E-04||
|||||||Dy = 0.13681||
|||||||Ag = -13.457||
|||||||Bo = 3.0936||
|||||||Cp = 1.627E-03||
|||||||Do = -0.19076||
|Typical DelayTime|tg|Vp=0.5VpRM|||2.0||psec|
|Typical Turn-offTime|tq||Vp = 100V,||250||psec|
|||dip/dt|= SA/usec Reapplied|||||
|||dv/dt = 20V/usec Linear to||||||
|.||||||||
||||50%VoRM|||||
|Minimum Critical dv/dt - Linear toVoRM|dv/dt|Tj = 125°C, Vp = 0.67VpRM||500|1000||V/usec|
|Gate Trigger Current|IGT|Tj = 25°C, Vp = 12V||||200|mA|
|Gate Trigger Voltage|VGT|T; = 25°C, Vp = 12V||||3.0|Volts|
|Peak Reverse Gate Voltage|VGRM|||||4.0|Volts|
|Thermal Characteristics||||||||
|Maximum Thermal Resistance, Double Sided|Cooling|||||||
|Junction-to-Case|Re(j-c)|||||0.040|°C/W|
|Case-to-Sink|Ravc-s)|||||0.020|°C/W|



P-127 

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T8K7 350A Phase Control SCR 350 Amperes Average, 4500 Volts 

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