- 2N3421JAN
- Api Electronics, Inc.
- Short form transistor data
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- Microsemi Corporation
- NPN MEDUIM POWER SILICON TRANSISTOR
- 2N3421JANTXV
- Microsemi
- Trans GP BJT NPN 80V 3A 3-Pin TO-5
- 2N3421JAN
- Unitrode Semiconductor
- International Semiconductor Data Book 1981
- 2N3421JANTX
- Unitrode Semiconductor
- International Semiconductor Data Book 1981
- 2N3421JANTXV
- Unitrode Semiconductor
- International Semiconductor Data Book 1981