440nm3.5W Laser Diode NDB7A75
The original imported Nichia 440nm high power laser diode provides 2.3W. Laser indication instruments use its blue 440nm beam for line marking and illumination. 1. Domestic brands: Huaguang and Huashang. 2. Sony. 3. Sharp.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Forward Current If [Absolute Maximum Ratings; Tc=25°C] | 3.0 A |
| Allowable Reverse Current Ir(LD) [Absolute Maximum Ratings; Tc=25°C] | 85 mA |
| Storage Temperature Tstg [Absolute Maximum Ratings] | -40~85 °C |
| Operating Case Temperature Tc [Absolute Maximum Ratings] | 0~60 °C |
| Optical Output Power Po [Initial Electrical/Optical Characteristics; Tc=25°C; If=2.3A; Parentheses are reference figures] | min:3.0 W; typical:(3.5) |
| Dominant Wavelength λd [Initial Electrical/Optical Characteristics; Tc=25°C; If=2.3A] | min:440 nm; max:455 nm |
| Threshold Current Ith [Initial Electrical/Optical Characteristics; Tc=25°C; CW] | min:150 mA; max:350 mA |
| Slope Efficiency η [Initial Electrical/Optical Characteristics; Tc=25°C; CW] | min:1.0 W/A; max:2.2 W/A |
| Operating Voltage Vop [Initial Electrical/Optical Characteristics; Tc=25°C; If=2.3A] | min:3.7 V; max:5.2 V |
| Beam Divergence Parallel θ// [Initial Electrical/Optical Characteristics; Tc=25°C; If=2.3A; Parentheses are reference figures; Full angle at 1/e² from peak intensity] | min:5 °; typical:(14); max:25 ° |
| Beam Divergence Perpendicular θ⊥ [Initial Electrical/Optical Characteristics; Tc=25°C; If=2.3A; Parentheses are reference figures; Full angle at 1/e² from peak intensity] | min:35 °; typical:(45); max:50 ° |
| Beam Pointing Accuracy Perpendicular ∆θ⊥ [Initial Electrical/Optical Characteristics; Tc=25°C; If=2.3A] | min:-5.0 °; max:5.0 ° |
Key Features
Datasheet
Supplier Information
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