# R1812-075-33-R OptiFuse | Circuit Protection | DigiKey Marketplace

**Manufacturer:** OptiFuse  
**MPN:** `R1812-075-33-R`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | OptiFuse |
| Manufacturer name | OptiFuse |
| Manufacturer | OptiFuse |
| Extra Product Name | R1812-075-33-R OptiFuse \| Circuit Protection \| DigiKey Marketplace |
| atoms | 1 |
| extraShipping | 12.0 |
| moq | 1 |
| MPN | R1812-075-33-R |
| multiple | 1 |
| packaging | Tape & Reel (TR) |
| qtyInStock | 0 |
| SKU | 16982373 |
| snippet | Polymeric PTC Resettable Fuse 33V 750 mA Ih Surface Mount 1812 (4532 Metric), Concave |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 25 |
| tierMinQty4 | 50 |
| tierMinQty5 | 100 |
| tierMinQty6 | 250 |
| tierMinQty7 | 500 |
| tierMinQty8 | 1,000 |
| tierPrice1 | 0.96000 |
| tierPrice2 | 0.86600 |
| tierPrice3 | 0.77000 |
| tierPrice4 | 0.67300 |
| tierPrice5 | 0.56800 |
| tierPrice6 | 0.53700 |
| tierPrice7 | 0.49700 |
| tierPrice8 | 0.46000 |
| Category | Circuit Protection |
| Mfr | OptiFuse |
| Series | - |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Type | Polymeric |
| Voltage - Max | 33V |
| Current - Max | 100 A |
| Current - Hold (Ih) (Max) | 750 mA |
| Current - Trip (It) | 1.5 A |
| Time to Trip | 200 ms |
| Resistance - Initial (Ri) (Min) | 110 mOhms |
| Resistance - Post Trip (R1) (Max) | 400 mOhms |
| Operating Temperature | -40?C ~ 85?C |
| Ratings | - |
| Mounting Type | Surface Mount |
| Package / Case | 1812 (4532 Metric), Concave |
| Size / Dimension | 0.179" L x 0.128" W (4.55mm x 3.24mm) |
| Height - Seated (Max) | - |
| Thickness (Max) | 0.051" (1.30mm) |
| Lead Spacing | - |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 16982373 | 0.96 | 1 | None | 1 |
| us.rs-online.com | 74256037 | 0.68 | 1 | None | 1500 |
| Hawk Electronics | R1812-075-33-R | 0.4076 | 1 | 1300 | 1500 |
| NEP Electronics | R1812-075-33-R | 0.429 | 1 | 1500 | 1500 |

---
Structured data: `/python/html6/product/500/27000000/27133500/part_--R181207533R---OptiFuse--17aeb0d82a.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp