Overview
The HMHA2801R2 is a 4-pin half-pitch mini-flat phototransistor optocoupler produced by onsemi. This device consists of a gallium arsenide infrared emitting diode driving a silicon phototransistor, packaged in a compact mini-flat package. The lead pitch is 1.27 mm, making it ideal for applications where board space is limited. The HMHA2801R2 is part of the HMHA2801 series, which offers various current transfer ratio (CTR) options to suit different application requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | Half Pitch Mini-Flat 4-Pin | |
| Lead Pitch | 1.27 mm | |
| Maximum Standoff Height | 2.4 mm | |
| Current Transfer Ratio (CTR) | 50% to 150% | % |
| Storage Temperature | -55 to +125 | °C |
| Operating Temperature | -55 to +100 | °C |
| Junction Temperature | -40 to +125 | °C |
| Total Device Power Dissipation @ TA = 25°C | 210 mW | mW |
| Continuous Forward Current | 50 mA | mA |
| Peak Forward Current (1 μs pulse, 300 pps) | 1 A | A |
| Reverse Input Voltage | 6 V | V |
| Collector-Emitter Voltage | 80 V | V |
| Maximum Working Insulation Voltage | 565 Vpeak | Vpeak |
| Steady State Isolation Voltage | 3750 VACRMS for 1 minute | VACRMS |
Key Features
- Compact 4-Pin Package: Half-pitch leads for optimum board space savings.
- Current Transfer Ratio: Options range from 50% to 150% for HMHA2801B.
- Safety and Regulatory Approvals: UL1577, DIN-EN/IEC60747-5-5, and Pb-free/RoHS compliant.
- High Isolation Voltage: Maximum working insulation voltage of 565 Vpeak.
- Wide Operating Temperature Range: From -55°C to +100°C.
Applications
- Digital Logic Inputs
- Microprocessor Inputs
- Power Supply Monitor
- Twisted Pair Line Receiver
- Telephone Line Receiver
Q & A
- What is the package type of the HMHA2801R2?
The HMHA2801R2 is packaged in a half-pitch mini-flat 4-pin package.
- What is the lead pitch of the HMHA2801R2?
The lead pitch is 1.27 mm.
- What are the current transfer ratio (CTR) options for the HMHA2801B?
The CTR for HMHA2801B ranges from 50% to 150%.
- What are the safety and regulatory approvals for the HMHA2801 series?
The devices are approved under UL1577 and DIN-EN/IEC60747-5-5, and are Pb-free/RoHS compliant.
- What is the maximum working insulation voltage for the HMHA2801 series?
The maximum working insulation voltage is 565 Vpeak.
- What is the operating temperature range for the HMHA2801R2?
The operating temperature range is from -55°C to +100°C.
- What is the maximum continuous forward current for the HMHA2801R2?
The maximum continuous forward current is 50 mA.
- What is the peak forward current for the HMHA2801R2?
The peak forward current is 1 A for a 1 μs pulse at 300 pps.
- Is the HMHA2801R2 Pb-free and RoHS compliant?
Yes, the HMHA2801R2 is Pb-free and RoHS compliant.
- What are some typical applications for the HMHA2801R2?
Typical applications include digital logic inputs, microprocessor inputs, power supply monitors, twisted pair line receivers, and telephone line receivers.
