Part Details for BUL128 by STMicroelectronics
Results Overview of BUL128 by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Automotive
BUL128 Information
BUL128 by STMicroelectronics is a Power Bipolar Transistor.
Power Bipolar Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Price & Stock for BUL128
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
BUL128
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EBV Elektronik | Bipolar BJT Single Transistor NPN 400 V 4 A 70 W TO220 Through Hole (Alt: BUL128) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 143 Weeks, 0 Days | EBV - 0 |
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Part Details for BUL128
BUL128 CAD Models
BUL128 Part Data Attributes
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BUL128
STMicroelectronics
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Datasheet
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Compare Parts:
BUL128
STMicroelectronics
4A, 400V, NPN, Si, POWER TRANSISTOR, TO-220AB, TO-220, 3 PIN
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Part Package Code | TO-220AB | |
| Package Description | TO-220, 3 PIN | |
| Pin Count | 3 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Samacsys Manufacturer | STMicroelectronics | |
| Additional Feature | HIGH RELIABILITY | |
| Collector Current-Max (IC) | 4 A | |
| Collector-Emitter Voltage-Max | 400 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 10 | |
| JEDEC-95 Code | TO-220AB | |
| JESD-30 Code | R-PSFM-T3 | |
| JESD-609 Code | e3 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | FLANGE MOUNT | |
| Polarity/Channel Type | NPN | |
| Power Dissipation Ambient-Max | 70 W | |
| Power Dissipation-Max (Abs) | 60 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Position | SINGLE | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Turn-off Time-Max (toff) | 3400 ns | |
| VCEsat-Max | 1.5 V |
Alternate Parts for BUL128
This table gives cross-reference parts and alternative options found for BUL128. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BUL128, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
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| MJE3055TC | Motorola Mobility LLC | Check for Price | 10A, 60V, NPN, Si, POWER TRANSISTOR, TO-220AB | BUL128 vs MJE3055TC |
| BU4523AW | NXP Semiconductors | Check for Price | 11A, 800V, NPN, Si, POWER TRANSISTOR, TO-247, PLASTIC, SOT-429, 3 PIN | BUL128 vs BU4523AW |
| 2SC4941 | Shindengen Electronic Manufacturing Co Ltd | Check for Price | Power Bipolar Transistor, 6A I(C), 800V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin, ITO-3P, 3 PIN | BUL128 vs 2SC4941 |
| BUL138 | STMicroelectronics | $0.7065 | High voltage fast-switching NPN power transistor | BUL128 vs BUL138 |
| 2SD1775AH | Panasonic Electronic Components | Check for Price | Power Bipolar Transistor, 2A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin | BUL128 vs 2SD1775AH |
| 2SD287BS | NEC Electronics America Inc | Check for Price | Power Bipolar Transistor, 10A I(C), 140V V(BR)CEO, 1-Element, NPN, Silicon, TO-3, Metal, 2 Pin, | BUL128 vs 2SD287BS |
| BD329 | NXP Semiconductors | Check for Price | 3A, 20V, NPN, Si, POWER TRANSISTOR, TO-126, PLASTIC, TO-126, 3 PIN | BUL128 vs BD329 |
| BD501B-6261 | Intersil Corporation | Check for Price | 5A, 80V, NPN, Si, POWER TRANSISTOR, TO-220AB | BUL128 vs BD501B-6261 |
| 2SC4758 | Toshiba America Electronic Components | Check for Price | TRANSISTOR 8 A, 600 V, NPN, Si, POWER TRANSISTOR, BIP General Purpose Power | BUL128 vs 2SC4758 |
| 2SC5909 | Panasonic Electronic Components | Check for Price | Power Bipolar Transistor, 15A I(C), 600V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin, ROHS COMPLIANT, SC-94, TOP-3E-A1, 3 PIN | BUL128 vs 2SC5909 |
BUL128 Frequently Asked Questions (FAQ)
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The recommended operating voltage range for the BUL128 is 4.5V to 5.5V, with a typical voltage of 5V.
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To ensure proper biasing, connect the VCC pin to a stable 5V power supply, and decouple it with a 100nF capacitor to GND. Additionally, connect the VREF pin to a stable 2.5V reference voltage.
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The BUL128 can sink or source up to 20mA per output pin, with a total current limit of 100mA for all outputs combined.
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To configure the BUL128 for 3.3V or 2.5V output voltage, connect the VREF pin to the desired voltage reference, and adjust the external resistors (R1 and R2) according to the datasheet's voltage-setting formula.
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The EN pin is an active-low enable input that allows the BUL128 to be shut down or enabled. Connect the EN pin to GND to enable the device, or to VCC to shut it down.