HDSP-815E Avago Technologies Integrated Circuit (Dual-In-Line Sockets) In Stock
HDSP-815E is a high-efficiency red, common-anode single-digit 7-segment LED display with decimal point, a 20 mm character height, and a 3 V forward voltage in a DIP-16 package from Avago Technologies. Available in stock worldwide with fast shipping.
- Manufacturer
- Avago Technologies
- Package
- Dual-In-Line Sockets
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- HDSP-815E Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -25.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 20 mm tall single-digit 7-segment display with decimal point for clear visual readout at distances up to 5 m
- High-efficiency red (orange-red wavelength) common-anode configuration simplifies interfacing with active-low LED driver ICs
- Maximum forward current of 25 mA per segment allows brightness adjustment via resistor or PWM dimming without external drivers
- DIP-16 through-hole package enables hand-soldering and easy breadboard prototyping during development
- RoHS-compliant and REACH-compliant construction meets EU environmental regulations for global market distribution
Applications
The HDSP-815E is used in bench-top instruments, industrial process controllers, and electronic scoreboards that require a large, legible single-digit numeric readout driven directly from a microcontroller or BCD decoder. Its 20 mm character height makes it readable across a workshop floor without magnification, while the common-anode pin arrangement integrates seamlessly with popular 7-segment decoder driver ICs such as the 74HC4511 operating at 5 V. It is also a standard choice for clock and timer displays in panel-mount equipment where through-hole assembly is preferred.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 6 |
| Color | HIGH EFFICIENCY RED |
| Color@Wavelength | Orange-Red |
| Configuration | COMMON ANODE, 1 DIGIT WITH DECIMAL POINT |
| Display Height | 20mm |
| Forward Current-Max | 0.025A |
| Forward Voltage-Max | 3V |
| JESD-609 Code | e3 |
| Number of Characters | 1 |
| Number of Functions | 1 |
| Optoelectronic Device Type | 7 SEG NUMERIC LED DISPLAY |
| Peak Wavelength | 635nm |
| Terminal Finish | Tin (Sn) |
| Package | Dual-In-Line Sockets |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8541.40.20.00 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What character height does the HDSP-815E offer, and at what viewing distance can it be read comfortably?
The HDSP-815E has a character height of 20 mm, which provides comfortable readability at viewing distances of up to approximately 5 m in normal ambient lighting. This 20 mm size is significantly larger than standard 0.56-inch (14 mm) displays, making it a preferred choice for industrial panel meters, scoreboards, and bench instruments where operators stand at arm's length or farther from the readout.
What is the maximum forward current per segment of the HDSP-815E, and how should current-limiting resistors be calculated?
The maximum forward current per segment is 25 mA, with a forward voltage of up to 3 V. For a 5 V supply, the current-limiting resistor value equals (5 V - 3 V) / 0.025 A = 80 Ω, so an 82 Ω or 100 Ω standard resistor is appropriate. Running segments at 15 mA to 20 mA is common practice to extend LED lifetime while maintaining adequate brightness for indoor environments.
How does the common-anode configuration of the HDSP-815E affect microcontroller interfacing?
In a common-anode display the shared anode connects to a positive supply (typically 3.3 V or 5 V), and each segment cathode is driven LOW by the microcontroller to illuminate that segment. Most general-purpose I/O pins can sink 8 mA to 25 mA, so a single GPIO can drive one segment directly with a series resistor, without a separate segment driver IC, provided no more than 3 to 4 segments are active simultaneously to stay within total port current limits.
Can the HDSP-815E replace other 20 mm single-digit displays in existing PCB designs?
The HDSP-815E uses a DIP-16 footprint with a standard 2.54 mm (0.100 inch) pin pitch, which is pin-compatible with most other 20 mm common-anode 7-segment displays sharing the same DIP-16 outline. Verify that the replacement has a matching pinout for the common anode pin and all 8 segment cathodes (a–g plus decimal point), and confirm the forward voltage of up to 3 V matches the existing current-limiting resistor values before substitution.
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About Avago Technologies
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