onsemi H11N1300W

Overview

H11N1300W from Fairchild Semiconductor is a high-speed AlGaAs Schmitt trigger optocoupler with 5 kV_RMS isolation, 10 MBd data rate, and propagation delay of 100 ns (max) at V_CC = 5 V. It integrates a GaAs infrared LED and a high-gain photodetector with Schmitt-trigger output stage for noise-immune digital signal transmission in industrial PLCs and motor control interfaces.

For engineers reviewing the H11N1300W datasheet, pinout, applications, or equivalent options, key selection criteria include guaranteed 10 MBd operation under 5 V supply, <100 ns propagation delay matching TTL/CMOS logic levels, and reinforced creepage/clearance per UL 1577 and IEC/EN/DIN EN 60747-5-2.

Technical Context

The H11N1300W employs an AlGaAs infrared LED coupled to a monolithic photodetector IC with integrated Schmitt-trigger buffer. Its output stage delivers rail-to-rail CMOS-compatible swing (0.4 V low / 4.6 V high at V_CC = 5 V) and hysteresis of 0.3 V typical to reject input noise up to ±200 mV.

Designed for unidirectional digital isolation, it operates over V_CC = 4.5–15 V and supports DC to 10 MBd data rates without external biasing. Input current threshold is 1.6 mA (max) at I_F = 10 mA, and common-mode transient immunity exceeds 15 kV/μs at V_CM = 1000 V.

Key Specifications

Pinout & Package

Supplied in a 6-pin DIP package (0.300" wide) with gull-wing leads and internal creepage ≥8.0 mm.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed digital optocoupler applications.

Compared with HCPL-063L and TLP2361, the H11N1300W offers balanced 10 MBd speed, 100 ns timing, and 4.5–15 V output supply flexibility-making it optimal for industrial PLC modules where robustness, voltage adaptability, and cost-effective DIP packaging are prioritized over ultra-low latency or 3.3 V compatibility.

Availability

H11N1300W is available at Aetrix Electronics and suitable for industrial PLC I/O modules, motor drive enable/disable control, and factory automation sensor interface applications requiring stable component supply and long-term lifecycle support.

Supply support for H11N1300W includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Fairchild Semiconductor was a U.S.-based analog and power semiconductor manufacturer, acquired by ON Semiconductor in 2016. Its optocoupler portfolio emphasized industrial reliability and safety certification.

The H11N1300W belongs to Fairchild's high-speed Schmitt-trigger optocoupler family, designed specifically for noise-immune digital isolation in programmable logic controllers, motor drives, and safety-critical industrial control systems.

FAQ

What is the maximum data rate supported by the H11N1300W?

The H11N1300W supports a maximum data rate of 10 MBd under specified conditions (V_CC = 5 V, R_L = 350 Ω). This rating is verified across temperature (–40°C to +100°C) and supply voltage (4.5–15 V) ranges per Fairchild's official datasheet. The H11N1300W achieves this using an AlGaAs LED and optimized photodetector response time, making it suitable for high-speed fieldbus protocols like Profibus DP and CANopen physical layer signaling.

Does the H11N1300W require external pull-up resistors on its output pin?

No, the H11N1300W features a totem-pole CMOS output stage that actively drives both high and low states without external pull-up components. Its output (Pin 6) sources up to 8 mA and sinks up to 8 mA at V_CC = 5 V, delivering rail-to-rail logic levels (0.4 V low / 4.6 V high). This eliminates the need for external resistors and simplifies PCB layout in space-constrained industrial modules where the H11N1300W is commonly deployed.

What safety certifications does the H11N1300W hold?

The H11N1300W is certified to UL 1577 (5 kV_RMS, 1 minute) and IEC/EN/DIN EN 60747-5-2 (reinforced insulation). These certifications validate its isolation barrier for use in industrial equipment requiring functional safety compliance. The H11N1300W's 8.0 mm creepage and clearance distances meet IPC-2221B Class B requirements, enabling direct use in Category 3 control systems without additional isolation reinforcement.

Can the H11N1300W operate with a 3.3 V supply on its output side?

No, the H11N1300W requires a minimum V_CC of 4.5 V for guaranteed Schmitt-trigger operation and output logic level compliance. At 3.3 V, the output may fail to reach valid CMOS high-level thresholds or exhibit degraded hysteresis. For 3.3 V systems, alternatives such as the HCPL-063L or ACPL-K37T are recommended. The H11N1300W is optimized for 5 V–15 V industrial logic domains where the H11N1300W delivers full-spec performance.

What is the typical input current threshold for turning on the H11N1300W LED?

The H11N1300W has a maximum input threshold current of 1.6 mA at I_F = 10 mA, meaning it reliably turns on with as little as 1.6 mA forward current. This allows direct drive from most microcontroller GPIO pins (e.g., STM32, PIC, or MSP430) using a simple 330 Ω series resistor at 3.3 V. The H11N1300W's low-threshold design reduces power consumption and heat generation in high-channel-count I/O modules.