| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-22032-5-ND | 0 | $3.85 | Buy |
| Mouser Electronics | 595-LM139DG4 | 269 | $3.15 | Buy |
| Win Source | LM139DG4 | 19500 | Buy | |
| Quest Components | LM139DG4 | 14 | $1.68 | Buy |
| element14 APAC | LM139DG4 | 30 | * $3.58 | Buy |
| Quarktwin Electronic Components | LM139DG4 | 20054 | $2.80 | Buy |
| Newark | LM139DG4 | 30 | $3.72 | Buy |
| Texas Instruments | LM139DG4 | 1420 | $2.37 | Buy |
| AVNET Europe | LM139DG4 | 523 | * $1.11 | Buy |
| AVNET Express | LM139DG4 | 11858 | $0.85 | Buy |
| Farnell | LM139DG4 | 30 | * $3.65 | Buy |
LM139 Quad differential comparator, military grade