Description
- Type: LED
- Origin: CN(Origin)
- Condition: New
- Model Number: PD438B
- Package Type: Through Hole
- Range of Spectral Bandwidth: 840—1100 nm
- Wavelength of Peak Sensitivity: 940 nm
- Open-Circuit Voltage: 0.32 V
- Reverse Light Current: 85 uA
- Dark Current: <10 nA
- Reverse Breakdown Voltage: >30 V
- Total Capacitance: 25 pF
- Rise/Fall Time: 50/50 nS
4.8mm(0.189") Semi-cylindrical Silicon Photodiode PD438B
Chip size 3.00mm x 3.00mm , Active area 2.86mm x 2.86 mm
Range of Spectral Bandwidth: 840—1100 nm
Wavelength of Peak Sensitivity: 940 nm
Open-Circuit Voltage: 0.32 V
Reverse Light Current: 85 uA
Dark Current: <10 nA
Reverse Breakdown Voltage: >30 V
Total Capacitance: 25 pF
Rise/Fall Time: 50/50 nS
For detailed product parameters, please check the specifications and download the specifications from the company's website
Factory direct sales, batch purchase customers can contact the seller to arrange production
1000 pcs/bag
Difference between SGPD538B and PD438B and SGPD436B
SGPD538B :Size 5.0×3.8×6.6mm , Reverse photosensitive current 85 uA
PD438B :Size 4.8×3.8×6.6mm , Reverse photosensitive current 85 uA
SGPD436B :Size 4.6×3.4×6.6mm , Reverse photosensitive current 83 uA
Difference between Photodiode and Phototransistor
A. Abbreviation: Photodiode—PD / Phototransistor—PT
B. PIN Name: Photodiode—Anode and Cathode / Phototransistor—Emitter and Collector
C. Chip Structure: Photodiode—PN / Phototransistor—NPN(or PNP)
D. Response speed：Photodiode—fast /Phototransistor—slow
E. Amplification characteristics： Photodiode—No / Phototransistor—Yes
F. Output Linearity: Photodiode—Good / Phototransistor—Bad
G. Circuit symbol：Photodiode
Phototransistor 
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