SIEMENS PNP Silicon AF Transistors BCX 51 ... BCX 53 Owner's Manual
Summary
Explore high-performance PNP Silicon AF Transistors for robust signal and power handling applications. These components are ideal for AC/DC driver circuits and demanding output stages, featuring reliable performance parameters like stable collector current delivery and low saturation voltage. This technical manual provides comprehensive details covering maximum electrical ratings, detailed DC and AC operating characteristics (including hFE and fT), and specific guidelines necessary for professional electronics designers, circuit engineers, and product developers integrating advanced switching components into their designs.
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PNP Silicon AF Transistors BCX 51 ... BCX 53
Features For AF driver and output stages High collector current Low collector-emitter saturation voltage Complementary types: BCX 54 BCX 56 (NPN)
Type Marking Ordering Code Package1)Pin Configuration
(tape and reel)
BCX 51 AA Q62702-C1847 SOT-89 BCX 51-10 AC Q62702-C1831 BCX 51-16 AD Q62702-C1857 BCX 52 AE Q62702-C1743 BCX 52-10 AG Q62702-C1744 BCX 52-16 AM Q62702-C1900 BCX 53 AH Q62702-C905 BCX 53-10 AK Q62702-C1753 BCX 53-16 AL Q62702-C1502
1) For detailed information see chapter Package Outlines.
Semiconductor Group 04.96
Page Summary Contents For SIEMENS PNP Silicon AF Transistors BCX 51 ... BCX 53 Owner's Manual
Manual Details
| Brand | Siemens |
|---|---|
| Pages | 5 |
| File Size | 147.39 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
Which BCX model has the highest collector-emitter voltage rating (VCE)?
The BCX 53 transistor offers the highest $V_{CEO}$ at 80 V, which is significantly higher than the BCX 51 (45 V) and BCX 52 (60 V).
What are the recommended limits for junction temperature and power dissipation?
The junction temperature ($T_j$) must not exceed 150°C. Total power dissipation ($P_{tot}$) varies but is connected to thermal resistance guidelines.
What is the typical DC current gain (hFE) range for these transistors?
The nominal operating $h_{FE}$ ranges between 100 and 250, depending on specific package variants like -10 or -16.