| Part | Pin to Pin Compatibility | P max, W | Vb, b2 max, V | Ie pulse, A | Ie rev, µA | Veb sat, V | n | Package | ||
|---|---|---|---|---|---|---|---|---|---|---|
| KT132A | 2N2646 | 0.3 | 35 | 2 | 12 | 0.7…3.5 | 0.56...0.75 | Case 22A-01 | ||
| KT133A | 2N4870 | 0.3 | 35 | 1.5 | 1 | 0.7…2.5 | 0.56...0.75 | TO-92 | ||
| KT132Б | 2N2647 | 0.3 | 35 | 2 | 0.2 | 0.7…3.5 | 0.68...0.82 | Case 22A-01 | ||
| KT133Б | 2N4871 | 0.3 | 35 | 1.5 | 1 | 0.7…2.5 | 0.70...0.85 | TO-92 |
