# SZ1SMB40CAT3G Littelfuse Inc. | Circuit Protection | DigiKey

**Manufacturer:** Littelfuse Inc  
**Brand:** Littelfuse Inc.  
**MPN:** `SZ1SMB40CAT3G`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Littelfuse Inc. |
| Manufacturer name | Littelfuse Inc. |
| Manufacturer | Littelfuse Inc. |
| Extra Product Name | SZ1SMB40CAT3G Littelfuse Inc. \| Circuit Protection \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| moq | 1 |
| MPN | SZ1SMB40CAT3G |
| multiple | 1 |
| packaging | Cut Tape (CT) & Digi-Reel? |
| qtyInStock | 0 |
| SKU | 5817164 |
| snippet | 64.5V Clamp 9.3A Ipp Tvs Diode Surface Mount SMB |
| tariff | 1.2 |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 100 |
| tierMinQty4 | 500 |
| tierMinQty5 | 1,000 |
| tierMinQty6 | 2,500 |
| tierMinQty7 | 5,000 |
| tierMinQty8 | 12,500 |
| tierMinQty9 | 25,000 |
| tierPrice1 | 0.744 |
| tierPrice2 | 0.6552 |
| tierPrice3 | 0.50208 |
| tierPrice4 | 0.396912 |
| tierPrice5 | 0.31751999999999997 |
| tierPrice6 | 0.287748 |
| tierPrice7 | 0.267912 |
| tierPrice8 | 0.257988 |
| tierPrice9 | 0.20672 |
| Category | Circuit Protection |
| Mfr | Littelfuse Inc. |
| Series | Automotive, AEC-Q101 |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Type | Zener |
| Bidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 40V |
| Voltage - Breakdown (Min) | 44.4V |
| Voltage - Clamping (Max) @ Ipp | 64.5V |
| Current - Peak Pulse (10/1000?s) | 9.3A |
| Power - Peak Pulse | 600W |
| Power Line Protection | No |
| Applications | Automotive |
| Capacitance @ Frequency | 220pF @ 1MHz |
| Operating Temperature | -65?C ~ 150?C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AA, SMB |
| Supplier Device Package | SMB |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 5817164 | 0.744 | 1 | None | 1 |
| Newark | 34AC6370 | 0.278 | 1 | None | 2500 |
| Digi-Key | 9327116 | 0.736 | 1 | 1044 | 1000 |
| Digi-Key | 9326890 | 0.736 | 1 | 26 | 2500 |

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Structured data: `/python/html6/product/500/198500000/198921500/part_--SZ1SMB40CAT3G---LittelfuseInc--9d72067bcd.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp