OLS400

Hermetic Surface Mount Low Input Current Optocoupler

The OLS400 has a high current transfer ratio (CTR) at low input currents, making it ideal for applications such as Metal Oxide Semiconductor (MOS), Complementary MOS (CMOS), and low-power logic interfacing or RS232C data transmission systems. Each OLS400 has an LED and integrated photodiode Darlington detector I/C, mounted and coupled in a custom hermetic surface mount leadless chip carrier (LCC) package that provides 1500 VDC electrical isolation between the input and output. The Darlington detector has an integrated base-to-emitter resistor for superior high temperature performance. The split Darlington design permits lower output saturation voltage and higher switching speed operation than is possible with conventional photodarlington designs.

Device mounting is achieved with reflow soldering or conductive epoxies. The pads are gold plated and RoHS compliant.

Data Sheets

Talk to Sales ECAD Model

Specifications

Product LifecycleIn Production

Memo

ConditionCTR @ IF = 0.5 / 5 mA

CTR Min.300 / 200

CTR Max.—

BV_CEO (V)—

Vcc Max. (V)20

Propagation Delay100µs Max.

Isolation @ V_DC 1 Sec.1500

Package Photo

Package Info6-Lead Hermetic Ceramic LCC

Radiation TolerantYes

Features

Electrical parameters guaranteed over –55 °C to +125 °C ambient temperature range
1500 VDC electrical isolation
Low input current, 0.5 mA
Low output VSAT, 0.1 V typical
High Current Transfer Ratio (CTR), 1000% typical
Low power consumption
Similar to industry standard parts—6N138/6N139 in plastic, and 6N140 in hermetic Dual Inline Packages (DIPs)
Offers 100% high reliability screenings

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