# Triacs 600V 40A 100-100-100mA

**Manufacturer:** Littelfuse  
**MPN:** `Q6040K7`

The Littelfuse Q6040K7 is a TRIAC, also known as an alternistor, with a peak repetitive off-state voltage of 600V. It has a gate trigger current maximum of 100mA and an on-state RMS current of 40A. The device can handle a peak non-repetitive surge current of 335A at 50Hz and 400A at 60Hz. It operates within a temperature range of -40°C to 125°C and is packaged in a TO-218AC case with three pins.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Littelfuse |
| Manufacturer name | Littelfuse |
| Manufacturer | Littelfuse |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Beyond Components | Q6040K7 | 5.82 | 1 | None | None |
| Abacus Technologies | Q6040K7 |  |  | 2000 | None |
| STLAA.com | Q6040K7 |  |  | 4260 | None |
| JieJie Electronics | Q6040K7 |  |  | 3500 | None |
| Ewing Components | Q6040K7 |  |  | 10000 | None |
| Digi-Key | Q6040K7TP-ND | 7.99 | 1 | None | 1 |
| Newark | 68X1004 | 11.2 | 1 | 98 | 1 |
| Radwell | Q6040K7 |  |  | 12 | 1 |
| Future Electronics | 3806270 | 8.23 | 1 | 104500 | 1 |
| Hotenda | H1914715 | 8.4 | 1 | 3587 | 1 |
| Win Source | Q6040K7 |  |  | 646 | 1 |
| Win Source | Q6040K7TP |  |  | 450 | 1 |
| RS Delivers | 171-9563 | 11.54 | 1 | None | 1 |
| AmazonTP | B076LWBTZ5 | 10.01 | 1 | None | 1 |
| AmazonTP | B0184T4XWY | 15.42 | 1 | None | 1 |
| AmazonSC | B073RQ52CG | 15.42 | 1 | None | 1 |
| Allied Electronics | 72244632 |  |  | None | 1 |
| Mouser | 576-Q6040K7TP | 8.98 | 1 | 298 | 1 |
| Arrow | Q6040K7TP | 8.833 | 1 | 250 | 1 |
| RS Delivers | 171-9500 |  |  | None | 1 |
| Newark | 18AC7511 | 10.87 | 1 | None | 1 |
| Jameco | 1761952 |  |  | None | 1 |
| Newark | 56P4264 |  |  | None | 1 |
| TME | Q6040K7TP-LF |  |  | None | 1 |
| us.rs-online.com | 72244632 | 11.41 | 1 | 217 | 1 |

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