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KL3H4A

Photo Transistor Coupler

KL3H4A

    • Provides isolated feedback
    • Interface between logic circuits
    • Provides 1-channel and 4-channel
    • Level shifting
    • DC and AC inputs
    • Regulated feedback circuitry in SMPS
    • Eliminates ground loops
KL3H4AKL3H4ADownload KL3H4AKL3H4ASample Request
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Basic parameters

Product Package size(LxWxHmm) VF (V) BV CEO (Min) (V) V CE(SAT) (Max) (V) IF (mA) CTR (%) tr (uS) tf (uS) ton (uS) toff (uS) Topr (Min) (degC) Topr (Max) (degC) Viso (Vrms)
KL3H4A SSOP4 4.4x2.70x2.0 1.2 80 0.2 ±1 50~150 18 18 - - -55 +100 3750

Benchmarking model

Broadcom/Avago Onsemi/Fairchild Toshiba Vishay Liteon EL Cosmo Sharp QUNXIN
ACPL-214 FODM214 TLP280/TLP290/TLP292 VOS627/VOS628A/VTCMT1600 LTV-214 EL3H4 KPS2805 PC3H4 QX3H4

Application scope

Household Power Supplies Switching Circuits Connectors Solenoid Valve Controls Telephone AC Motor Drivers Temperature Control Signal Transmitters

Product specifications

Tags： KL3H4A    Photo Transistor Coupler   
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Sample Request

After receiving your sample application, we will contact you within 24 hours. If the information is truthful and in accordance with the sample policy, the shipment will be made within 48 hours after the review is approved, and the courier information will be synchronously fed back to you through the phone or email provided. If you encounter out of stock or other special circumstances, we will also notify you in a timely manner< Br> After you receive the sample, please conduct testing in the application project as soon as possible and send the usage information via email sales@kinglight.com give us feedback.

After receiving your sample application, we will contact you within 24 hours. After you receive the sample, please conduct testing in the application project as soon as possible and send the usage information via emailsales@kinglight.com give us feedback.