STMicroelectronics BUL128D-B BJTs
NPN Power Transistor, 400V VCEO, 4A IC, TO-220
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
BUL128D-B
Detailed Description
NPN Power Transistor, 400V VCEO, 4A IC, TO-220
Package
TO-220-3
Lifecycle Status
Obsolete
Datasheet
BUL128D-B Datasheet
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Technical Specifications
STMicroelectronics BUL128D-B BJTs technical specifications.
General
Package / Case
TO-220-3
Mounting Type
Through Hole
Operating Temperature
150°C (TJ)
Lifecycle Status
Obsolete
Current Collector Cutoff Max
250µA
Dc Current Gain Hfe Min IC Vce
12 @ 2A, 5V
Power Max
70 W
Transistor Type
NPN
Current Collector IC Max
4 A
Voltage Collector Emitter Breakdown Max
400 V
Alternate Parts Comparison (BUL128D-B vs BUL58D vs BUL742C vs STGP20M65DF2)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | -55°C ~ 175°C (TJ) |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Current Collector IC Max | 4 A | 8 A | 4 A | 40 A |
| Description | -- | -- | -- | -- |
| Detailed Description | -- | -- | -- | -- |
| Power Max | 70 W | 85 W | 70 W | 166 W |
| Voltage Collector Emitter Breakdown Max | 400 V | 450 V | 400 V | 650 V |
| Current Collector Cutoff Max | 250µA | 200µA | 250µA | -- |
| Dc Current Gain Hfe Min IC Vce | 12 @ 2A, 5V | 5 @ 5A, 5V | 25 @ 800mA, 3V | -- |
| Transistor Type | NPN | NPN | NPN | -- |
| Action |
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