Datasheet Details
| Part number | ECH21 |
|---|---|
| Manufacturer | Philips Semiconductors (now NXP Semiconductors) |
| File Size | 73.54 KB |
| Description | Triode - Heptode |
| Download | ECH21 Download (PDF) |
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| Part number | ECH21 |
|---|---|
| Manufacturer | Philips Semiconductors (now NXP Semiconductors) |
| File Size | 73.54 KB |
| Description | Triode - Heptode |
| Download | ECH21 Download (PDF) |
|
|
|
page 1 2 3 4 5 ECH21 sheet 1 2 3 4 FP date 1953.04.04 1953.04.04 1953.04.04 1953.04.04 1999.06.
| Brand Logo | Part Number | Description | Manufacturer |
|---|---|---|---|
| TESLA | ECH21 | Heptode | TESLA |
| ETC | ECH21 | Triode - Heptode | ETC |
| Part Number | Description |
|---|---|
| ECH200 | Triode - Heptode |
| ECH11 | Triode |
| ECH3 | Triode - Hexode |
| ECH35 | Triode - Hexode |
| ECH4 | Triode - Heptode |
| ECH41 | Triode - Hexode |
| ECH42 | Triode - Hexode |
| ECH81 | Triode - Heptode 1954 |
| ECH81 | Triode - Heptode 1969 |
| ECH83 | Triode - Heptode 1957 |