Toshiba Electronic Devices & Storage Corporation Electronic Parts
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The Toshiba TLP383(D4GR-TR,E) is a low-input-current, high-isolation photocoupler that optically couples an InGaAs infrared emitting diode to a silicon photo-transistor inside a thin, surface-mount 4-pin SO6L package. It is engineered for reliable signal isolation in industrial and power-supply designs, delivering a guaranteed 5000 Vrms isolation voltage and a wide -55 to 125 C operating temperature range while occupying far less board area than a conventional DIP photocoupler.
The ordering suffix decodes as follows: D4 designates the EN60747-5-5 (VDE) safety-approval option, GR specifies the current-transfer-ratio (CTR) rank, TR indicates tape-type carrier packaging, and E denotes RoHS-compatible (lead-free) construction.
Authorized-distributor availability for the TLP383(D4GR-TR,E) can be limited, making it a hard-to-find part for ongoing production and end-of-line builds. Pacific Component Xchange specializes in sourcing scarce and allocated power-management ICs and optocouplers, giving design and procurement teams a dependable path to material when standard channels are dry. Every device is subject to authenticity verification and inspection, and we ship globally to keep your lines running. Request a quote (RFQ) for the TLP383(D4GR-TR,E) today and our sourcing specialists will respond with current availability, lead time, and pricing.
It is a Toshiba TLP383 phototransistor-output photocoupler. The suffix breaks down as: D4 = EN60747-5-5 (VDE) safety-approval option, GR = current-transfer-ratio (CTR) rank, TR = tape-type carrier packaging, and E = RoHS-compatible (lead-free).
The TLP383 is rated for a minimum isolation voltage of 5000 Vrms (AC, 60 seconds), with 8.0 mm minimum creepage and clearance distances per the Toshiba datasheet.
It uses a single photo-transistor output coupled to an InGaAs infrared LED, housed in a compact, thin 4-pin SO6L surface-mount package suited for high-density boards.
The GR CTR rank specifies a current transfer ratio of 100% (min) to 300% (max), measured at IF = 0.5 mA / 5 mA and VCE = 5 V. The collector-emitter voltage (VCEO) is rated 80 V (min). The device base specification without a rank is 50% (min).
Yes. The TLP383 is an active Toshiba product. Authorized-distributor stock can be limited, but Pacific Component Xchange can source it. Submit an RFQ for current availability, lead time, and pricing.
Toshiba targets programmable logic controllers (PLCs), AC adapters, and I/O interface boards, along with general industrial signal isolation across high-voltage barriers.
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