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BUL98 The BUL98 is an NPN bipolar transistor from STMicroelectronics with a 450V collector-emitter voltage rating and 12A collector current capability in a TO-220 through-hole package. It dissipates up to 110W.
Mfr Part #:

BUL98

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The BUL98 is an NPN bipolar transistor from STMicroelectronics with a 450V collector-emitter voltage rating and 12A collector current capability in a TO-220 through-hole package. It dissipates up to 110W.
✓ Total Stock: 950 pcs
$ Price Range: $1.57 - $3.44

BUL98 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Hybrid Electronics ✓
Non-Authorised Inventory information
950 pcs
On Request
950 pcs On Request 1 On Request On Request 718 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BUL98 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Lead Style
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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BUL98 Description

Short technical summary and product information.

The BUL98 is an NPN bipolar junction transistor (BJT) manufactured by STMicroelectronics. It features a maximum collector-emitter voltage of 450V and a maximum collector current of 12A, with a power dissipation rating of 110W. The transistor provides a minimum DC current gain of 15 at 5A collector current and 5V collector-emitter voltage, ensuring consistent performance in demanding conditions. The collector-emitter saturation voltage is specified as 1.5V maximum at 12A collector current, which helps reduce conduction losses in power switching circuits.

 

The BUL98 is packaged in a TO-220-3 through-hole package, offering straightforward mounting and compatibility with standard heat sinks. The maximum junction temperature is rated at 150°C, accommodating high-temperature environments. The part is listed as RoHS compliant.

BUL98 Quick Information

Product Type: Single NPN Bipolar Transistor
Canonical Name: STMicroelectronics BUL98 NPN Bipolar Transistor
Subcategory: Single

BUL98 Compliance

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

BUL98 Estimated Pricing

Qty Low High
1+ $3.44 $3.44
10+ $1.76 $1.76
1,000+ $1.71 $1.71
2,000+ $1.65 $1.65
5,000+ $1.57 $1.57

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

BUL98 Features

  • NPN bipolar transistor for power switching.
  • Rated for 450V collector-emitter voltage.
  • Handles 12A continuous collector current.
  • Dissipates up to 110W power.
  • Available in TO-220 through-hole package.

BUL98 Applications

  • High-voltage switching up to 450V collector-emitter.
  • High-current switching up to 12A collector.
  • Power conversion circuits in TO-220.

BUL98 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the BUL98?

450V.

What is the maximum collector current of the BUL98?

12A.

What is the power dissipation rating of the BUL98?

110W.

What is the DC current gain (hFE) of the BUL98?

Minimum 15 at Ic=5A, Vce=5V.

What is the package type of the BUL98?

TO-220-3 through-hole package.

What is the maximum junction temperature of the BUL98?

150°C.

Is the BUL98 RoHS compliant?

Listed as RoHS3 compliant in existing data, but this is unverified.

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