Transistor BD165 NPN, 45V, 1.5A, TO-126

Transistor BD165 NPN, 1.5A TO-126

Transistors

Reference: TRBD165

Part.No: BD165

€1.30

In Stock

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The BD165 is an NPN Bipolar Junction Transistor (BJT) rated for 45V / 1.5A, housed in a TO-126 package. Suited for low-power audio and switching stages that need a bit more headroom than small-signal TO-92 parts.

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Description
Product Details

BD165 NPN Transistor - 45V / 1.5A in Compact TO-126

The BD165 is an NPN bipolar transistor rated for 45V and 1.5A, built in the TO-126 package. It bridges the gap between small-signal TO-92 transistors and full power TO-220 devices, making it a practical choice for driver stages, small audio amplifiers and moderate-current switching circuits.

Functions & Applications

1.5A Collector Current: Handles moderate loads beyond typical small-signal transistors.
TO-126 Package: Compact power package with a metal tab for optional heatsinking.
45V Vceo Rating: Suitable for low-voltage DC power stages and driver circuits.
NPN Configuration: Straightforward integration into standard driver and switching topologies.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	NPN
Package / Case	TO-126
Collector-Emitter Voltage (Vceo)	45V
Max Collector Current (Ic)	1.5A
Mounting Type	Through-Hole (THT)

Frequently Asked Questions

Q: Does the BD165 need a heatsink?
A: For continuous operation near its 1.5A rating a small heatsink attached to the TO-126 tab is recommended to keep junction temperature safe.

Q: What is the complementary PNP part for BD165?
A: The BD165 is typically paired with the BD166, its PNP complement with matching voltage and current ratings.

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type: BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel: NPN
Transistor Case Style: TO-126

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