Product Summary
The TLP321-4 is a photocoupler. The TLP321-4 consists of a photo-transistor optically coupled to a gallium arsenide infrared emitting diode. The TLP321-4 provides four isolated channels in a sixteen plastic DIP package.
Parametrics
TLP321-4 absolute maximum ratings: (1)Storage temperature range Tstg: -55~125℃; (2)Operating temperature range Topr: -55~100℃; (3)Lead soldering temperature Tsol: 260℃ (10s); (4)Total package power dissipation RT: 150 mW; (5)Isolation voltage, BVS: 5000 Vrms.
Features
TLP321-4 features: (1)Collector-emitter voltage: 80V (min.); (2)Current transfer ratio: 50% (min.) Rank GB: 100% (min.); (3)Isolation voltage: 5000Vrms (min.); (4)UL recognized: UL1577, file no. E67349.
Diagrams

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![]() TLP321-4 |
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![]() TLP3020 |
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![]() TLP3021 |
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![]() TLP3021(S) |
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![]() TLP3022SFT |
![]() Toshiba |
![]() Triac & SCR Output Optocouplers Triac cplr IFT=10mA VDRM=400V. NZC |
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![]() TLP3023 |
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![]() PHOTOCOUPLER TRIAC OUT 6-DIP |
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![]() Negotiable |
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![]() TLP3042(S,C,F) |
![]() Toshiba |
![]() Transistor Output Optocouplers Photo-IC 400V VDrm 5000 Vrms 10mA 3V |
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(China (Mainland))










