BPW21R Datasheet PDF – Photo Darlington Transistor

Part Number : BPW21R

Function : Photo Darlington Transistor for optical sensors with high sensitivity

Package : TO-5 Case Type

Manufacturers : Vishay Semiconductors

Image :

BPW21R datasheet


Description :

BPW21R is a planar Silicon PN photodiode in a hermetically sealed short TO-5 case, especially designed for high precision linear applications. Due to its extremely high dark resistance, the short circuit photocurrent is linear over seven decades of illumination level.


1. Package type: leaded
2. Package form: TO-5
3. Dimensions (in mm): Ø 8.13
4. Radiant sensitive area (in mm2): 7.5
5. High photo sensitivity
6. Adapted to human eye responsivity
7. Angle of half sensitivity: ϕ= ± 50°
8. Hermetically sealed package
9. Cathode connected to package
10. Flat glass window
11. Low dark current
12. High shunt resistance
13. High linearity
14. Compliant to RoHS Directive 2002/95/EC and in accordance with WEEE 2002/96/EC


1. Sensor in exposure and color measuring purposes

Other data sheets within the file : BPW21

BPW21R Datasheet PDF Download

BPW21R pdf