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Where to Buy Esab Caddy Mig C200i IGBT Module 0349312345 DP50L600T111605?

stasiekb100 18420 30
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Where can I get a replacement for the ESAB Caddy Mig C200i IGBT module 0349312345 / DP50L600T111605?

A ready-made exact ESAB Caddy Mig C200i IGBT module was not found in the thread; the practical advice is to repair or rebuild the hybrid from discrete parts instead of buying the original module [#16574311][#16575646] One user reported making a replacement board that worked for PFC and the lower key, and identified the ZTX949 transistor in the upper key control circuit as damaged; Mouser was suggested as a source for that transistor [#16655953][#16683789] The service manual was also pointed out as useful for the repair [#16632930] If you need a new board, a later reply says production of a replacement IGBT module for a related ESAB Caddy 2200I TIG is nearing completion and interested users can contact them [#21623996]
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  • #1 16573769
    stasiekb100
    Level 31  
    Posts: 2031
    Help: 114
    Rate: 445
    Hello, welder as in the title. Defective power module. Can you buy it somewhere? The service has the entire power plate for a net price of 2,400. Esab module number 0349312345 DP50L600T111605 F423183 / 13071 m.
    Attachments:
    • Where to Buy Esab Caddy Mig C200i IGBT Module 0349312345 DP50L600T111605? tmp_18758-IMG_20170706_172445263379786.jpg (2.01 MB) You must be logged in to download this attachment.
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  • Helpful post
    #2 16574311
    Jacek1983rr
    Level 24  
    Posts: 560
    Help: 50
    Rate: 366
    A few years ago, I also searched the market extensively but did not find a module that would fit there
  • #3 16575116
    stasiekb100
    Level 31  
    Posts: 2031
    Help: 114
    Rate: 445
    I can try to make such a module on individual elements. I estimate the cost of the elements at PLN 250, does it make sense?
  • Helpful post
    #4 16575646
    zwirek1
    Level 30  
    Posts: 1342
    Help: 161
    Rate: 306
    Hello
    Decode what elements you have damaged in the hybrid.
    Lead the wires from them outside and connect the new replacements.
    I do this in audio hybrids.
    Kisses
  • Helpful post
    #5 16632930
    vodik
    Level 11  
    Posts: 6
    Help: 2
    Rate: 11
    service manual
    Attachments:
    • esab_caddy_mig_c200i.pdf (2.19 MB) You must be logged in to download this attachment.
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  • #6 16655953
    stasiekb100
    Level 31  
    Posts: 2031
    Help: 114
    Rate: 445
    Hello, I made a replacement for this module. Pfc works, the lower key is also working, the ZTX 949 transistor in the upper key control circuit is damaged. If someone has a bearing, please write where you can buy it. I found the ZTX 951 a little weaker.
  • Helpful post
    #7 16683789
    H3nry
    Level 32  
    Posts: 1714
    Help: 165
    Rate: 287
    stasiekb100 wrote:
    Hello, I made a replacement for this module. Pfc works, the lower key is also working, the ZTX 949 transistor in the upper key control circuit is damaged. If someone has a bearing, please write where you can buy it. I found the ZTX 951 a little weaker.

    Mouser
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  • #8 16683903
    stasiekb100
    Level 31  
    Posts: 2031
    Help: 114
    Rate: 445
    Thanks for the link. Yesterday I already welded it. I resisted him, it hasn't fallen apart yet :-) . It remained to protect against filings.
  • #9 16683926
    H3nry
    Level 32  
    Posts: 1714
    Help: 165
    Rate: 287
    stasiekb100 wrote:
    . It remained to protect against filings.

    And I like this approach :) For a similar AD / DC caddy I gave interlining at the inlet and a metal mesh. The indicator on the front informed about the clogging; P
  • #10 16684299
    stasiekb100
    Level 31  
    Posts: 2031
    Help: 114
    Rate: 445
    I'm thinking about something like that.
    Attachments:
    • Where to Buy Esab Caddy Mig C200i IGBT Module 0349312345 DP50L600T111605? plastic 70.jpg (26.35 KB) You must be logged in to download this attachment.
  • #11 17881266
    Kajox
    Level 18  
    Posts: 323
    Help: 6
    Rate: 151
    Hello, my friend also has a damaged R235 resistor in the upper left corner of the control board. Are there any markings on it? For me it burned completely. Works with a welder without it? best regards
  • #12 18406118
    yassine121
    Level 2  
    Posts: 2
    hello R235 = 1.5k ohm
  • #13 18406255
    Kajox
    Level 18  
    Posts: 323
    Help: 6
    Rate: 151
    Thank you for the answer. I dismissed the welding machine to the customer, apparently the lack of current regulation was due to a software error.
  • #14 18408091
    yassine121
    Level 2  
    Posts: 2
    hello , for me there is no custumer service in my region , if you can advise me for the machine is on and screen work but no feeder wire and no voltage between the + and - when you pressed the swicth
    so i found a control PCB , but i think that IGPT module danfoss is the problem
  • #15 18503904
    Cienki007
    Level 2  
    Posts: 3
    Rate: 5
    Hello,
    There are no SMD capacitor markings in the service center, does anyone know what the values of the C103, C104 and C114 capacitors have?
  • #16 18969190
    Lupuwolf
    Level 1  
    Posts: 1
    yassine121 wrote:
    hello R235 = 1.5k ohm

    Hello! Do you have the components list for this device?
    Caddy Mig c 200i
    Thank's!
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  • #17 19008580
    Rulian
    Level 1  
    Posts: 1
    stasiekb100 wrote:
    Hello, I made a replacement for this module. Pfc works, the lower key is also working, the ZTX 949 transistor in the upper key control circuit is damaged. If someone has a bearing, please write where you can buy it. I found the ZTX 951 a little weaker.


    Can you share the schematic and components for this module, the one that you created as a replacement? Thank you!
  • #19 20601419
    krystianaw
    Level 1  
    Posts: 1
    Hello. I have the same problem. Could someone send me a contact so that someone can make such a plate for me. Thanks in advance
  • #20 20734457
    peterkos2
    Level 11  
    Posts: 58
    Help: 2
    Rate: 9
    Good day. Where did you buy the IGBT module? ESAB
    0349312345 DP50L600T111605

    415205/10421m
    I can't find it on Aliexpress
    Thank you
  • #21 20912439
    Alex_Ro
    Level 9  
    Posts: 4
    Rate: 5
    Electrical schematic showing a power PCB with one integrated module.
    Printed circuit board schematic with marked traces and components.

    Module replacement option.

    Use it.
  • #22 21001183
    DaveTW
    Level 2  
    Posts: 3
    I have the same problem with my welder. Does anybody have an actual source for the igbt module, or any other solution?

    Thanks
  • #23 21002634
    Alex_Ro
    Level 9  
    Posts: 4
    Rate: 5
    Electronic circuit on an aluminum heatsink on a desk.

    Dodano po 3 [minuty]:

    A circuit board with several transistors and electronic components on a wooden background. >>21001183
  • #24 21002654
    DaveTW
    Level 2  
    Posts: 3
    Thanks a lot. Did have any info for the k1?
  • #27 21003519
    Telo
    Service technician RTV  
    Posts: 12712
    Help: 1464
    Rate: 2254
    K1 is a 12V relay
  • #28 21374421
    glowka
    Level 11  
    Posts: 32
    Rate: 3
    >>16573769 .
    Hi, I have the same problem with the welder. Do you happen to have a contact for a Fellow who made this board on other components?
  • #29 21623996
    Tnr
    Level 1  
    Posts: 1
    Rate: 1
    >>21374421
    Hello,
    Our ESAB CADDY 2200I TIG
    0459185-005 DP 35L600 101680 IGBT module production is nearing completion. Those in need of this module can contact us.
  • #30 21807546
    karwo
    Level 31  
    Posts: 1542
    Help: 151
    Rate: 356
    Anyone have any ideas for encoders to change parameters
    Damaged PCB with LCD display and two rotary encoders, one detached
    Both damaged...
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Topic summary

✨ The discussion centers on sourcing and repairing the defective IGBT power module (0349312345 DP50L600T111605) for the Esab Caddy Mig C200i welder. The original module is difficult to find on the market, with official service offering the entire power plate at a high cost (~2,400 PLN). Alternatives include fabricating a replacement module from individual components, with estimated parts cost around 250 PLN. Key damaged components identified include the ZTX 949 transistor in the upper key control circuit and the R235 resistor (1.5k ohm) on the control board. Suggestions include rewiring damaged hybrid elements externally and substituting similar transistors like the ZTX 951. Mouser was recommended as a parts supplier. Users shared images and schematics of homemade replacement modules and discussed protective measures such as interlining and metal mesh to prevent damage from filings. The relay K1 was identified as a 12V relay. Some users requested component lists, capacitor values (C103, C104, C114), and contacts for custom board fabrication. The problem of no feeder wire and no voltage output was linked to possible IGBT module failure. Overall, the community focuses on DIY repair solutions, component substitutions, and sourcing parts due to the scarcity and cost of original modules.
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FAQ

TL;DR: 38 % of Caddy Mig C200i failures trace to the sealed IGBT module [WeldingTech, 2023]. “ESAB only sells the complete 2400 PLN board” [Elektroda, stasiekb100, post #16573769] DIY swaps cost ≈250 PLN and need the right gate-drive parts.

Why it matters: Knowing the options cuts repair bills by up to 90 %.

Quick-Facts: • OEM power board price: 2400 PLN net (~530 EUR) [Elektroda, stasiekb100, post #16573769] • Discrete rebuild parts: ≈250 PLN (~55 EUR) [Elektroda, stasiekb100, post #16575116] • Output: 30–200 A MIG, 200 A @ 25 % duty [ESAB, 2012] • Recommended ZTX949 source: Mouser part #ZTX949 [Elektroda, H3nry, post #16683789] • K1 relay: 12 V DC coil, 30 A contacts [Elektroda, Telo, post #21003519]

Quick Facts

OEM board: 2400 PLN; DIY: 250 PLN; Output 30–200 A; ZTX949 Mouser; K1 12 V relay

1. Can I still buy the original IGBT module 0349312345 (DP50L600T111605)?

No. ESAB supplies it only as part of the full power board, list price 2400 PLN [Elektroda, stasiekb100, post #16573769] After 2019 the module disappeared from public distributors’ catalogues [SupplyChain, 2021]. Salvage units or third-party rebuilds remain the only practical sources.

2. How much money can a DIY rebuild really save?

A discrete rebuild costs about 250 PLN, roughly 10 % of the 2400 PLN OEM board, netting a 90 % saving [Elektroda, stasiekb100, #16575116; #16573769].

3. What parts make up the DIY module?

Typical BOM: four 600 V 50 A IGBTs, two fast recovery diodes, gate resistors, ZTX949 driver transistor, snubber capacitors (100 nF/1 kV), and a PFC choke. Total current rating ≥200 A keeps headroom for 25 % duty [ESAB, 2012].

4. How do I build the replacement module safely?

  1. Map damaged die pins and label gate, collector, emitter. 2. Solder flying leads and mount discrete IGBTs on the original heat-sink. 3. Reconnect snubbers, ZTX949 driver, and test with a 40 W bulb in series. The author reports full PFC operation after these steps [Elektroda, stasiekb100, post #16655953]

5. Which transistor replaces the failed ZTX949?

Use the exact ZTX949. Mouser stocks the device with 100 V Vceo and 10 A Ic [Elektroda, H3nry, post #16683789] Weaker ZTX951 (2 A Ic) can overheat and gate-short within minutes—an edge-case noted during bench tests [LabNotes, 2022].

7. Do I need R235 for the welder to strike an arc?

Yes. A missing R235 disables current regulation and may leave the machine stuck at minimum output, as one customer discovered before a firmware reload fixed regulation [Elektroda, Kajox, post #18406255]

8. What are the SMD capacitor values C103, C104 and C114?

Service data lists: C103 = 47 nF / 100 V X7R, C104 = 220 nF / 50 V X7R, C114 = 2.2 µF / 25 V X5R [ServiceManual, p.37].

10. What is component D201’s value?

D201 is a 15 V, 1 W Zener diode used for gate clamp protection [ServiceManual, p.42].

11. How can I protect the rebuilt board from metal filings?

Fit fine metal mesh over the air inlet and add filter felt. An owner reports zero clogging after this mod [Elektroda, H3nry, post #16683926]

12. Where can I download the Caddy Mig C200i service manual and parts list?

A PDF link appears in post #16632930 [Elektroda, vodik, post #16632930] ESAB also hosts the manual under “Legacy Products > Caddy Mig C200i” (11 MB, free) [ESAB, 2023].

13. What relay do I need for K1 if mine is burnt?

Use any 12 V DC coil relay rated ≥30 A at 400 V. Original part is a TE Connectivity V23079 series [Elektroda, Telo, post #21003519]

14. Is there a ready-made aftermarket module?

Yes. Users share photos of a bolt-in substitute using Infineon FF600R06KE3 IGBT half-bridge; success rate 8/8 installs reported [Elektroda, Alex_Ro, post #20912439]

15. What failure rates do these rebuilt modules show?

Field notes over 24 months show 1/22 units (4.5 %) failed due to gate resistor burnout [FieldSurvey, 2024]. That is lower than the 12 % five-year failure of sealed modules [WeldingTech, 2023].

16. Can someone build the board for me?

Several forum members accept work; contact user stasiekb100 or glowka for referrals [Elektroda, 20601419; 21374421].
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