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Part Number DH40-18A
Manufacturer IXYS
Description DIODE GEN PURP 1.8KV 40A TO247AD
Datasheet DH40-18A Datasheet
Package TO-247-2
In Stock 285 piece(s)
Unit Price $ 9.0200 *
Lead Time Can Ship Immediately
Estimated Delivery Time Aug 9 - Aug 14 (Choose Expedited Shipping)
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Part Number # DH40-18A (Diodes - Rectifiers - Single) is manufactured by IXYS and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For DH40-18A specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add DH40-18A with quantity into BOM. does NOT require any registration to request a quote of DH40-18A.

DH40-18A Specifications

CategoryDiscrete Semiconductor Products - Diodes - Rectifiers - Single
Datasheet DH40-18ADatasheet
Diode TypeStandard
Voltage - DC Reverse (Vr) (Max)1800V
Current - Average Rectified (Io)40A
Voltage - Forward (Vf) (Max) @ If2.7V @ 40A
SpeedFast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)100ns
Current - Reverse Leakage @ Vr100µA @ 1800V
Capacitance @ Vr, F-
Mounting TypeThrough Hole
Package / CaseTO-247-2
Supplier Device PackageTO-247AD
Operating Temperature - Junction-40°C ~ 150°C

DH40-18A Datasheet

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Page 2

DH40-18A Low Loss and Soft Recovery High Performance Fast Recovery Diode Single Diode Sonic Fast Recovery Diode 13 Part number DH40-18A Backside: cathode FAV rrt ns300 RRM 40 1800 = V = V I = A Features / Advantages: Applications: Package: ● Planar passivated chips ● Very low leakage current ● Very short recovery time ● Improved thermal behaviour ● Very low Irm-values ● Very soft recovery behaviour ● Avalanche voltage rated for reliable operation ● Soft reverse recovery for low EMI/RFI ● Low Irm reduces: - Power dissipation within the diode - Turn-on loss in the commutating switch ● Antiparallel diode for high frequency switching devices ● Antisaturation diode ● Snubber diode ● Free wheeling diode ● Rectifiers in switch mode power supplies (SMPS) ● Uninterruptible power supplies (UPS) TO-247 ● Industry standard outline ● RoHS compliant ● Epoxy meets UL 94V-0 The data contained in this product data sheet is exclusively intended for technically trained staff. The user will have to evaluate the suitability of the product for the intended application and the completeness of the product data with respect to his application. The specifications of our components may not be considered as an assurance of component characteristics. The information in the valid application- and assembly notes must be considered. Should you require product information in excess of the data given in this product data sheet or which concerns the specific application of your product, please contact your local sales office. Due to technical requirements our product may contain dangerous substances. For information on the types in question please contact your local sales office. Should you intend to use the product in aviation, in health or life endangering or life support applications, please notify. For any such application we urgently recommend - to perform joint risk and quality assessments; - the conclusion of quality agreements; - to establish joint measures of an ongoing product survey, and that we may make delivery dependent on the realization of any such measures. Terms Conditions of usage: IXYS reserves the right to change limits, conditions and dimensions. 20160916cData according to IEC 60747and per semiconductor unless otherwise specified © 2016 IXYS all rights reserved

Page 3

DH40-18A ns 50 ATVJ = °C reverse recovery time A60 300 550 ns IRM max. reverse recovery current IF = A;60 25 T = 125°CVJ -di F = A/µs750/dtt rr VR = V900 TVJ = °C25 T = 125°CVJ V = V Symbol Definition Ratings typ. max. I R V I A VF 2.06 R 0.45 K/W R min. 40 VRSM V 100T = 25°CVJ T = °CVJ mA1V = VR T = 25°CVJI = AF V T = °CC 100 Ptot 280 WT = 25°CC R K/W 40 1800 max. non-repetitive reverse blocking voltage reverse current, drain current forward voltage drop total power dissipation Conditions Unit 2.56 T = 25°CVJ 125 VF0 V1.38T = °CVJ 150 rF 17.5 mΩ V2.08T = °CVJI = AF V 40 2.79 I = AF 80 I = AF 80 threshold voltage slope resistance for power loss calculation only µA 125 VRRM V1800max. repetitive reverse blocking voltage T = 25°CVJ CJ 19junction capacitance V = V900 T = 25°Cf = 1 MHzR VJ pF IFSM t = 10 ms; (50 Hz), sine; T = 45°CVJmax. forward surge current V = 0 VR T = °CVJ 150 400 A 1800 FAV d =rectangular 0.5 average forward current thermal resistance junction to case thJC thermal resistance case to heatsink thCH Fast Diode 1800 0.25 IXYS reserves the right to change limits, conditions and dimensions. 20160916cData according to IEC 60747and per semiconductor unless otherwise specified © 2016 IXYS all rights reserved

Page 4

DH40-18A Ratings Product Marking Date Code Part No. Logo IXYS abcd Assembly Code ZyywwAssembly Line XXXXXXXXX Package Top °C MD Nm1.2mounting torque 0.8 TVJ °C150virtual junction temperature -55 Weight g6 Symbol Definition typ. max.min.Conditions operation temperature Unit F C N120mounting force with clip 20 I RMS RMS current 70 Aper terminal 125-55 TO-247 Delivery Mode Quantity Code No.Ordering Number Marking on ProductOrdering DH40-18A 499765Tube 30DH40-18AStandard Tstg °C150storage temperature -55 threshold voltage V1.38 mΩ V0 max R0 max slope resistance * 14.5 Equivalent Circuits for Simulation T =VJ I V0 R0 Fast Diode 150 °C* on die level IXYS reserves the right to change limits, conditions and dimensions. 20160916cData according to IEC 60747and per semiconductor unless otherwise specified © 2016 IXYS all rights reserved

Page 5

DH40-18A S Ø P Ø P1 D2 D1 E1 4 1 2 3 L L1 2x b2 2x b e 2x E2 D E Q A A2 A1 C Sym. Inches Millimeter min. max. min. max. A 0.185 0.209 4.70 5.30 A1 0.087 0.102 2.21 2.59 A2 0.059 0.098 1.50 2.49 D 0.819 0.845 20.79 21.45 E 0.610 0.640 15.48 16.24 E2 0.170 0.216 4.31 5.48 e 0.430 BSC 10.92 BSC L 0.780 0.800 19.80 20.30 L1 - 0.177 - 4.49 Ø P 0.140 0.144 3.55 3.65 Q 0.212 0.244 5.38 6.19 S 0.242 BSC 6.14 BSC b 0.039 0.055 0.99 1.40 b2 0.065 0.094 1.65 2.39 b4 0.102 0.135 2.59 3.43 c 0.015 0.035 0.38 0.89 D1 0.515 - 13.07 - D2 0.020 0.053 0.51 1.35 E1 0.530 - 13.45 - Ø P1 - 0.29 - 7.39 13 Outlines TO-247 IXYS reserves the right to change limits, conditions and dimensions. 20160916cData according to IEC 60747and per semiconductor unless otherwise specified © 2016 IXYS all rights reserved

DH40-18A Reviews

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July 18, 2020

Every little component you can always find in here, and good suggestion for relative times too.


July 15, 2020



July 12, 2020

I've had no issues. Good product, would buy again.


July 11, 2020

I recommend this and would definitely buy it again.


July 4, 2020

A good, reputable company that I will continue to deal with, thank you!


July 2, 2020

I have always get a fast response from Heisener with my orders. As a small business owner I greatly appreciate that I can order as little as 1 item as opposed to other companies who require you place a larger minimum order.


June 30, 2020

I can get a patience and respect for each order. Thank you!


June 19, 2020

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June 8, 2020

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June 2, 2020

Reasonable prices, fast shipping, and the best customer service I've ever experienced! Absolutely will share it to my friends.

DH40-18A Guarantees

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If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

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