BUL654 The BUL654 is an NPN bipolar junction transistor from STMicroelectronics rated for 400V collector-emitter voltage and 12A collector current. It comes in a through-hole TO-220-3 package with 80W power dissipation capability.
Mfr Part #:

BUL654

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The BUL654 is an NPN bipolar junction transistor from STMicroelectronics rated for 400V collector-emitter voltage and 12A collector current. It comes in a through-hole TO-220-3 package with 80W power dissipation capability.
✓ Total Stock: 81 pcs
$ Price Range: $0.56 - $1.73

BUL654 Available from 1 distributor

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✓ Non-Authorised
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81 pcs
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BUL654 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

BUL654 Description

Short technical summary and product information.

The BUL654 is an NPN bipolar junction transistor manufactured by STMicroelectronics. It is designed for high-voltage switching applications with a collector-emitter voltage rating of 400V and a collector current rating of 12A. The device can dissipate up to 80W of power, making it suitable for power switching circuits.

 

The transistor offers a minimum DC current gain (hFE) of 7 at a test condition of Ic=6A and Vce=2V. The maximum collector-emitter saturation voltage is 700mV at Ib=1.4A and Ic=7A, indicating efficient switching performance. The device is rated for a maximum junction temperature of 150°C.

 

The BUL654 comes in a TO-220-3 through-hole package, which provides good thermal performance and is suitable for PCB mounting with a heatsink. The supplier device package is TO-220, a widely used package for power transistors.

 

This component is suitable for applications requiring high-voltage switching, such as power supplies, inverters, and motor control circuits. Its NPN configuration and high voltage/current ratings make it a versatile choice for various power electronics designs.

BUL654 Quick Information

Product Type: Bipolar Junction Transistor (BJT)
Canonical Name: NPN Bipolar Transistor, 400V, 12A, TO-220
Subcategory: Single NPN Transistor

BUL654 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BUL654 Estimated Pricing

Qty Low High
1+ $1.73 $1.73
10+ $1.42 $1.42
100+ $0.95 $0.95
500+ $0.77 $0.77
1,000+ $0.69 $0.69
2,000+ $0.65 $0.65
5,000+ $0.61 $0.61
10,000+ $0.56 $0.56

Estimated market price range - modelled values for guidance only, not live distributor offers.

BUL654 Features

  • NPN bipolar junction transistor design.
  • Rated for 400V collector-emitter voltage.
  • Supports 12A collector current.
  • Dissipates up to 80W power.
  • Through-hole TO-220-3 package.

BUL654 Applications

  • High-voltage switching power supplies.
  • Industrial motor control circuits.
  • Power inverter and converter stages.
  • Electronic ballast and lighting circuits.

BUL654 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the collector-emitter voltage rating of the BUL654?

The BUL654 has a collector-emitter voltage (Vceo) rating of 400V.

What is the maximum collector current of the BUL654?

The BUL654 has a maximum collector current (Ic) rating of 12A.

What is the power dissipation of the BUL654?

The BUL654 can dissipate up to 80W of power.

What is the operating temperature range of the BUL654?

The BUL654 has a maximum junction temperature (TJ) of 150°C.

What package is the BUL654 available in?

The BUL654 is available in a TO-220-3 through-hole package.

What is the minimum DC current gain of the BUL654?

The minimum DC current gain (hFE) is 7, measured at Ic=6A and Vce=2V.

What is the saturation voltage of the BUL654?

The maximum collector-emitter saturation voltage is 700mV at Ib=1.4A and Ic=7A.

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