As an Amazon Associate, we earn from qualifying purchases. TSOP4438QJ1 - Vishay Vishay . TSOP4438QJ1 Gallery Attributes Brand name, Manufacturer name, ManufacturerVishay Extra Product NameTSOP4438QJ1 - Vishay moq, multiple1 MPN, SKUTSOP4438QJ1 qtyInStock0 snippetTSOP4438QJ1 In-Stock. Request a quote for the part number# TSOP4438QJ1. Call 877-240-8595 to order. Same day shipping on in-stock parts. Distributor offers SellerSKUMOQIn stockMultiplePrices 4 Star ElectronicsTSOP4438QJ111 Digi-Key1217414911