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page_id: wsd-maximum-current-carrying-capacity-for-power-pa-abbe11aa
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title: "Thread: Maximum current-carrying capacity for power pads and bonding wires?"
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route: /evidence/i-information/questions/threads/maximum-current-carrying-capacity-for-power-pa
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summary: 7 Discord messages from ℹ️ - Information/⁉️-questions/threads/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires.md.
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---

# Thread: Maximum current-carrying capacity for power pads and bonding wires?

Category: **ℹ️ - Information**
Parent channel: **#⁉️-questions**
Thread ID: `1512109663838146651`

Messages: **7**

## message-1512109663838146651

**2026-06-04T15:03:57.498+00:00 — ANDREUS (@andreus1943)**

- Message ID: `1512109663838146651`
- Author ID: `659826909286498314`
- Nickname: ANDREUS
- User name: andreus1943
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1512109663838146651/1512109663838146651
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json

**Content**

```text
Hello everyone, apologies if this has been addressed before, but I am currently designing a power converter and have a couple of questions regarding current limits:

1. What is the maximum current-carrying capacity (or electromigration limit) that the power pads can handle?

2. What is the maximum current (fusing current) that the bonding wires can support?

Any documentation or reference values would be greatly appreciated. Thanks in advance!
```

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## message-1512163395393159358

**2026-06-04T18:37:28.099+00:00 — tnt (@246tnt)**

- Message ID: `1512163395393159358`
- Author ID: `596068704471482370`
- Nickname: tnt
- User name: 246tnt
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1512109663838146651/1512163395393159358
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json

**Content**

```text
For (1) there are electromigration limit listed in the PDK doc, you can just apply those to the layout of the pad and estimate it your self.
```

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## message-1512164255103979600

**2026-06-04T18:40:53.07+00:00 — tnt (@246tnt)**

- Message ID: `1512164255103979600`
- Author ID: `596068704471482370`
- Nickname: tnt
- User name: 246tnt
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1512109663838146651/1512164255103979600
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json

**Content**

```text
For (2) the wire used for this run was AlSi1% 1mil
```

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## message-1512711228160737401

**2026-06-06T06:54:21.609+00:00 — Tim 'mithro' Ansell (@mithro_)**

- Message ID: `1512711228160737401`
- Author ID: `169786952432746498`
- Nickname: Tim 'mithro' Ansell
- User name: mithro_
- Type: `Reply`
- Discord message: https://discord.com/channels/1361349522684510449/1512109663838146651/1512711228160737401
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json

**Reply/reference**
- https://discord.com/channels/1361349522684510449/1512109663838146651/1512164255103979600
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**Content**

```text
I believe it's actually 0.8mil?
```

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---

## message-1512711819909791775

**2026-06-06T06:56:42.693+00:00 — tnt (@246tnt)**

- Message ID: `1512711819909791775`
- Author ID: `596068704471482370`
- Nickname: tnt
- User name: 246tnt
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1512109663838146651/1512711819909791775
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json

**Content**

```text
@Tim 'mithro' Ansell Ah maybe ... looking back at the pics you took one says 1 mil the other 0.8 😅
```

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## message-1512712835904438292

**2026-06-06T07:00:44.925+00:00 — Tim 'mithro' Ansell (@mithro_)**

- Message ID: `1512712835904438292`
- Author ID: `169786952432746498`
- Nickname: Tim 'mithro' Ansell
- User name: mithro_
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1512109663838146651/1512712835904438292
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json

**Content**

```text
I think they normally use 1mil but needed to use 0.8mil for our parts.
```

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## message-1513180403543052379

**2026-06-07T13:58:41.737+00:00 — namibj**

- Message ID: `1513180403543052379`
- Author ID: `262706220073222144`
- Nickname: namibj
- User name: namibj
- Type: `Reply`
- Discord message: https://discord.com/channels/1361349522684510449/1512109663838146651/1513180403543052379
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/maximum-current-carrying-capacity-for-power-pads-and-bonding-wires/2026-06/2026-06.json

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**Content**

```text
Yeah you said that and that it's like 5x or something the cost (for the Al wire)
```

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