# H21B3 ON Optical Sensors - Jotrin Electronics

**Manufacturer:** ON Semiconductor, LLC  
**MPN:** `H21B3`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | ON Semiconductor, LLC |
| Manufacturer name | ON Semiconductor, LLC |
| Manufacturer | ON Semiconductor, LLC |
| Extra Product Name | H21B3 ON Optical Sensors - Jotrin Electronics |
| keywords | H21B3,ON,DIP-4,Photointerruptors,H21B3 Datasheet PDF |
| moq | 1 |
| MPN | H21B3 |
| multiple | 1 |
| qtyInStock | 310 |
| SKU | JT30-H21B3 |
| Package/Case | DIP-4 |
| Product Categories | Photointerruptors |
| RoHs Status | Green |
| In-stock | 310 |
| Maximum Collector Current | 40 mA |
| Forward Current | 50 mA |
| Maximum Operating Temperature | + 100 C |
| Minimum Operating Temperature | - 55 C |
| Packaging | Tube |
| Power Dissipation | 150 mW |
| Sensing Method | Transmissive, Slotted |
| Factory Pack Quantity | 50 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| jotrin.com | JT30-H21B3 |  |  | 310 | 1 |

---
Structured data: `/python/html6/product/500/93000000/93244000/part_--H21B3---ONSemiconductorLLC--1a64c7d638.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp