Phase Control Thyristor T953-800 (4600 – 6500V)

Average forward current, ITAV 800A
Voltage, VDRM/VRRM 4600–6500V
Voltage code, VRRM / 100 46 – 65
T953-800 on request
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Package
Dimensions ØD×Ød×H
T.D4 (PT54)
75x50x35 mm
Weight 700 g
Datasheet Datasheet

Phase Control Thyristor T953-800 AS ENERGITM is general purpose disc thyristor, also known as Silicon Controlled Rectifier (SCR). This is a power thyristor designed for converting and control DC and AC currents up to 800A with frequency up to 500Hz in circuits with voltages up to 4600V – 6500V (voltage class from 46 to 65). Thyristor dimensions ØDxØdxH – 75x50x35 mm (outer case diameter X contact surface diameter X case height), weight – 700 g.

Thyristor ratings: T953-800-46 (800A 4600V), T953-800-48 (800A 4800V), T953-800-50 (800A 5000V), T953-800-52 (800A 5200V), T953-800-54 (800A 5400V), T953-800-56 (800A 5600V), T953-800-58 (800A 5800V), T953-800-60 (800A 6000V), T953-800-62 (800A 6200V), T953-800-64 (800A 6400V), T953-800-65 (800A 6600V).

The anode and cathode of the thyristor (polarity) are determined by the symbol on the case. Thyristors are in a press pack disc (capsule, tablet) housing. This SCR thyristor can be an alternative product, replacement, analog, equivalent for other types thyristors 750A, 780A, 790A, 800 amp in a disk package.

For cooling during the operation of power thyristors they are mounted with coolers (heat sinks). Depending on the amount of heat generated and the working conditions of the semiconductors, either natural air flow cooling or forced cooling can be used.

When assembling, the necessary clamping force Fm specific for each type of thyristor case (indicated in the parameter table) must be provided.

Thyristors SCR disc type are used in power equipment – power and control units, power regulators, converters (e.g. melting furnaces), controllers where fast switching and control of currents is necessary.

Specifications and parameters, datasheets PDF, sample technical passport, dimensions, outline drawings, case diagrams thyristors, recommended coolers are listed below.

Our company provides a quality guarantee for power scr thyristors of 2 years from the date of purchase. When supplying thyristors, if necessary, we provide technical passport, certificate of conformity.

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The final price for phase control disc thyristors depends on the voltage class, quantity, delivery terms, manufacturer, country of origin and form of payment.


General specifications of phase control thyristors T953-800:

Thyristor specifications T953-800
Maximum allowable average forward current (Case temperature) IT(AV) (Tcase) 685 A (85ºC)
800 A (73ºC)
Repetitive peak off-state voltage; Repetitive peak reverse voltage VDRM/VRRM 4600-6500 V
RMS on-state current ITRMS 1256 A
Surge on-state current ITSM 10 kA
Safety factor I2t 500 kA2·s
Peak on-state voltage, max VTM 2.40 V
Peak on-state current ITM 1500 A
On-state threshold voltage, max VT(TO) 1.269 V
On-state slope resistance, max rT 0.981 mΩ
Turn-off time, max tq 630 µs
Repetitive peak off-state and Repetitive peak reverse currents, max IDRM/IRRM 200 mA
Critical rate of rise of off-state voltage, min (dVD/dt)cr 1000-2500 V/µs
Gate trigger direct voltage, max VGT 2.5 V
Gate trigger direct current, max IGT 300 mA
Critical rate of rise of on-state current (diT/dt)cr 60 A/µs
Temperature of p-n junction, max Tvj max 125 ºC
Thermal resistance, junction to case, max Rth(j-c) 0.020 ºC/W
Clamping force Fm ±10% 26 kN
Weight, approx. W 700 g
Package type, Dimensions ØDxØdxH T.D4 (PT54)
75x50x35 mm
Recommended heatsinks Heatsinks O153, O253
Datasheet PDF PDF

Part Numbering Guide for SCR Thyristors T953-800:

T 953 800 65 4 3
T Thyristor, brand AS ENERGITM
953 Thyristor type (disc type).
800 Average current in open state IT(AV), Amp.
65 Voltage class VRRM / 100  (Nominal voltage – 6500 V).
4 Parameter of the critical rate of rise of off-state voltage (dVD/dt)cr:
Alpha-numeric coding P2 K2 Е2 A2 T1 P1 M1
Digital coding 4 5 6 7 8 9
(dVD/dt)cr, V/µs 200 320 500 1000 1600 2000 2500
3 Parameter of turn-off time tq:
Alpha-numeric coding 0 B2 C2 E2 H2 K2 М2 P2 T2 X2 A3
Digital coding 0 1 2 3 4
tq, V/µs not standardized 800 630 500 400 320 250 200 160 125 100

Polarity (anode, cathode, gate) and dimensions of disc thyristor T953-800:

Thyristor polarity Dimensions

Thyristor T953-800 datasheet:

PDFDownload pdf datasheet for thyristors T953-800


Technical Passport for Phase Control Thyristors (sample):

When supplying thyristors, if necessary, we provide technical passport and certificate of conformity.

  • Technical Passport
  • Technical Passport
  • Technical Passport

High Power Semiconductors AS ENERGITM

Our company is engaged in the manufacturer and sale of wide range of power semiconductors (power thyristors, modules, rectifier diodes, rotor and welding diodes, triacs etc.) currents up to 15000A and voltages to 9000V, and air and water heatsinks to them. You can buy semiconductors in any volumes, and when ordering large lots, the price will be lower.
We have earned the trust of customers and cooperate with companies from neighboring countries.

For questions regarding the acquisition of Power Thyristors, Diodes, Modules send an email request to:

office@asenergi.com

And we will provide you a commercial offer for delivery.
For a large number, we will provide an individual price!!!

We are open to manufacture products at our production facilities
according to your requests and technical task.


Heat sinks for power disc thyristors:

Heat sinks (radiators) are used for single- and double-sided cooling of power semiconductor devices in disc design.

Heat sinks of coolers are made of aluminum radiator profiles and do not require additional protective coating when used in various climatic conditions.

See for more information about coolers "Air-heatsink" and "Water-heatsink".


Photo of Phase Control Thyristor SCR:

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