Rectifier Diode 100A, 125A type D151-125 (300V – 1600V)

Average forward current, IFAV 125A
Voltage, VRRM 300–1600V
Voltage code, VRRM / 100 3 – 16
D151-125 on request
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Package
Thread
SD5
М12х1.75
Weight 165 g
Datasheet Datasheet

Rectifier Stud Diode D151-125 AS ENERGITM is general purpose diode. This is a power p-n junction diode designed for converting DC and AC currents up to 125A with frequency up to 500Hz in circuits with voltages up to 300V – 1600V (voltage class from 3 to 16). Diode package – SD5, mounting standard thread – М12х1.75, (on request, UNF thread 1/2"-20UNF-2A), weight – 165 g.

Diodes are supplied in stud design. Polarity of the diode is marked by a polarity symbol on the case.
Forward polarity diode – the threaded base of the diode is the Anode, the flexible power lead is the Cathode.
Reverse polarity diode – threaded base is the Cathode, the flexible power lead is the Anode.
Forward polarity is not indicated in the part numbering; Reverse polarity is indicated by an "X" in the part numbering.

This power diode can be an alternative product, replacement, analog, equivalent for other types diodes 90A, 100A, 125 amp in a stud mount package.

Air and water heat sinks are used to cool the diodes. To provide reliable thermal and electrical contact with the heatsink a tightening torque Md must be observed during assembly. For better heat dissipation of diode during assembly, heat conducting paste is used.

The diodes have a hermetic ceramic housing isolating the functional part and the semiconductor element from mechanical impacts and environment. Stud screw fit diode with a flexible power lead. Stud diodes are notable for their ability to be used on moving parts.

Specifications and parameters, datasheets PDF, sample technical passport, dimensions, outline drawings, case diagrams diodes, recommended heat sinks are listed below.

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

Diode ratings: D151-125-3 (125A 300V), D151-125-4 (125A 400V), D151-125-5 (125A 500V), D151-125-6 (125A 600V), D151-125-7 (125A 700V), D151-125-8 (125A 800V), D151-125-9 (125A 900V), D151-125-10 (125A 1000V), D151-125-12 (125A 1200V), D151-125-14 (125A 1400V), D151-125-16 (125A 1600V).

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


General specifications of rectifier diodes D151-125:

Diode specifications D151-125
Maximum allowable average forward current (Case temperature) IF(AV) (Tcase) 125 A (140ºC)
Repetitive peak reverse voltage VRRM 300-1600 V
RMS forward current IFRMS 196 A
Surge non-repetitive current IFSM 3.0 kA
Safety factor I2t 45 kA2·s
Peak forward voltage, max VFM 1.35 V
Peak current IFM 392 A
On-state threshold voltage, max VF(TO) 0.90 V
On-state slope resistance, max rT 1.3 mΩ
Repetitive peak reverse currents, max IRRM 20 mA
Temperature of p-n junction, max Tvj max 190 ºC
Thermal resistance, junction to case, max Rth(j-c) 0.3 ºC/W
Mounting torque Md 15±5 N·m
Weight, approx. W 165 g
Package type, Thread Outline SD5
М12х1.75
Recommended heatsinks Heatsinks O151
Datasheet PDF PDF

Part Numbering Guide for Rectifier Stud Diode D151-125:

D 151 125 16
D Diode, brand AS ENERGITM
151 Diode type (stud type).
125 Average forvard current in open state IF(AV), Amp.
X None = Forward polarity diode: threaded base – Anode, flexible power lead – Cathode;
X = Reverse polarity diode: threaded base – Cathode, flexible power lead – Anode.
16 Voltage class VRRM / 100  (Nominal voltage – 1600 V).
U None = stud base metric ISO threads (standard);
U = stud base inch UNF threads (on request).

Polarity (anode, cathode) and dimensions of stud diodes D151-125:

Diode polarity Dimensions

Diode D151-125 datasheet:

PDFDownload pdf datasheet for diodes D151-125


Technical Passport for Rectifier Stud Type Diodes (sample):

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

  • Diode Technical Passport
  • Diode Technical Passport
  • Diode 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 supply products all over the world.

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

[email protected]

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 stud diodes:

Heat sinks (radiators) are used for cooling of power semiconductor devices in stud 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 Stud Type Rectifier Diodes:

  • Stud Rectifier Diodes
  • Stud Rectifier Diodes
  • Stud Rectifier Diodes

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