Overview
The HMHAA280R2 series, produced by onsemi, is a type of optocoupler that consists of two gallium arsenide infrared emitting diodes connected in inverse parallel, driving a single silicon phototransistor. This configuration is housed in a compact 4-pin mini-flat package with a lead pitch of 1.27 mm. The device is designed for optimal board space savings and features a high current transfer ratio, making it suitable for various applications requiring isolation and signal transfer.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Storage Temperature | −55 to +125 | °C |
| Operating Temperature | −55 to +100 | °C |
| Continuous Forward Current (Emitter) | 50 | mA |
| Peak Forward Current (Emitter, 1 μs pulse, 300 pps.) | 1 | A |
| Reverse Input Voltage (Emitter) | 6 | V |
| Power Dissipation (Emitter, above 25°C) | 60 mW / °C | mW / °C |
| Continuous Collector Current (Detector) | 50 | mA |
| Power Dissipation (Detector, above 25°C) | 150 mW / °C | mW / °C |
| Collector-Emitter Voltage | 80 | V |
| Emitter-Collector Voltage | 7 | V |
| Current Transfer Ratio (CTR) | 50-600% | % |
| CTR Symmetry | 0.33-3.0 | V |
| Saturation Voltage (VCE(SAT)) | − − 0.4 | V |
| Rise Time (Non-Saturated) | − − 3 | μs |
| Fall Time (Non-Saturated) | − − 3 | μs |
| Steady State Isolation Voltage | 3750 | Vrms |
Key Features
- Compact Package: The HMHAA280R2 is housed in a 4-pin mini-flat package with a maximum standoff height of 2.4 mm and half pitch leads for optimal board space savings.
- High Current Transfer Ratio: The device features a current transfer ratio of 50-600%, ensuring efficient signal transfer.
- Certifications: The HMHAA280R2 is certified by CSA (File #1201524), UL (File #E90700), and VDE (File #136480).
- Packaging Options: Available in tape and reel quantities of 2500 or in tubes of 150 units.
- Temperature Range: Operates over a temperature range of −55°C to +100°C.
Applications
- AC Line Monitor: Suitable for monitoring AC lines due to its AC sensing input capability.
- Unknown Polarity DC Sensor: Can be used to sense DC signals with unknown polarity.
- Telephone Line Receiver: Applicable in telephone line receiver circuits.
- Consumer Appliances and Industrial Motor Control: Used in various consumer appliances and industrial motor control systems.
Q & A
- What is the package type of the HMHAA280R2?
The HMHAA280R2 is housed in a 4-pin mini-flat package (MFP-4).
- What is the lead pitch of the HMHAA280R2?
The lead pitch is 1.27 mm.
- What are the certifications for the HMHAA280R2?
The device is certified by CSA, UL, and VDE.
- What is the current transfer ratio of the HMHAA280R2?
The current transfer ratio is between 50% and 600%.
- What are the operating and storage temperature ranges for the HMHAA280R2?
The operating temperature range is −55°C to +100°C, and the storage temperature range is −55°C to +125°C.
- What is the steady state isolation voltage of the HMHAA280R2?
The steady state isolation voltage is 3750 Vrms.
- What are some common applications of the HMHAA280R2?
Common applications include AC line monitoring, unknown polarity DC sensing, telephone line receivers, and use in consumer appliances and industrial motor control systems.
- Is the HMHAA280R2 available in tape and reel packaging?
Yes, it is available in tape and reel quantities of 2500 units.
- What is the maximum standoff height of the HMHAA280R2 package?
The maximum standoff height is 2.4 mm.
- What is the peak forward current rating for the emitter diodes?
The peak forward current rating is 1 A for 1 μs pulses at 300 pps.
