1. Device Overview

️· Part Number: PZT4672
️· Type: NPN Epitaxial Planar Transistor
️· Manufacturer: Likely SeCoS (based on website URL)
️· Application: Low-frequency amplifier applications

2. Absolute Maximum Ratings (Important for safe operation)

️· Collector Current (DC): 6A
️· Collector Current (Pulse - PW=10ms): 10A (Brief pulses are allowed, but must stay within limits)
️· Collector-Emitter Voltage: 50V
️· Collector-Base Voltage: 60V
️· Emitter-Base Voltage: 5V
️· Total Power Dissipation: 2W
️· Junction Temperature: 150°C
️· Storage Temperature: -55 to +150°C

3. Electrical Characteristics (Tamb = 25°C) *(These are typical values, not guaranteed minimums/maximums)*

️· Collector-Base Breakdown Voltage (BVCBO): Not specified with an exact value, indicated within maximum ratings.
️· Collector-Emitter Breakdown Voltage (BVCEO): Not specified with an exact value, indicated within maximum ratings.
️· Emitter-Base Breakdown Voltage (BVEBO): Not specified with an exact value, indicated within maximum ratings.
️· Collector Cut-off Current (ICBO): 100nA
️· DC Current Gain (hFE): (Values depend on the "Rank" - A or B)
- Rank A: 200-400
- Rank B: 120-240
️· Gain Bandwidth Product (fT): Not specified with an exact value.
️· Collector Saturation Voltage (VCE(sat)): Not specified with an exact value.

4. Package Information

️· Package Type: SOT-223
️· Dimensions (Reference)
- A: 6.70mm - 7.30mm
- B: 13.0mm (typical)
- C: 2.90mm - 3.10mm
- D: 0.02mm - 0.10mm
- E: 0 - 10 degrees (angle)
- I: 0.60mm - 0.80mm
- H: 0.25mm - 0.35mm
- J: 2.30mm (reference)
- 1: 6.30mm - 6.70mm
- 2: 6.30mm - 6.70mm
- 3: 3.30mm - 3.70mm
- 4: 3.30mm - 3.70mm

5. Additional Information

️· Date of Revision: 01-Jun-2002 (Rev. A)
️· Website: http://www.SeCoS.com
️· Classification of hFE (DC Current Gain): Rank A and B offer different gain ranges.
️· Important Note: The document mentions that any changes to the specifications will *not* be individually informed. Therefore, checking the latest version on the manufacturer's website is crucial.



Key Takeaways:

️· This is a relatively high-current NPN transistor suitable for amplifier applications.
️· Pay attention to the absolute maximum ratings to avoid damaging the device.
️· The hFE range varies depending on the "Rank" of the transistor.
️· It's good practice to always verify datasheets with the latest revision on the manufacturer's website.