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2N3725 NPN bipolar transistor with 50V collector-emitter breakdown voltage, 1A collector current, and 800mW power dissipation. Through-hole mounting in TO-5 package.
Mfr Part #:

2N3725

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
NPN bipolar transistor with 50V collector-emitter breakdown voltage, 1A collector current, and 800mW power dissipation. Through-hole mounting in TO-5 package.
✓ Total Stock: 9 pcs
$ Price Range: $15.48

2N3725 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Partservice ✓
Non-Authorised Inventory information
7 pcs
On Request
7 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
2 pcs
On Request
2 pcs On Request 1 On Request On Request On Request On Request 2026-04-29 04:15:11
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2N3725 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
Power
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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2N3725 Description

Short technical summary and product information.

The 2N3725 is an NPN bipolar junction transistor manufactured by On Semiconductor. It features a collector-emitter breakdown voltage (VCEO) of 50V, a continuous collector current (IC) of 1A, and a power dissipation of 800mW. The DC current gain (hFE) is a minimum of 60 at Ic=100mA and Vce=1V, and the saturation voltage (VCE(sat)) is 950mV maximum at Ib=100mA and Ic=1A.

 

This transistor is housed in a through-hole TO-205AA / TO-5-3 Metal Can package, also known as TO-5, with a supplier device package of TO-5. It is suitable for general-purpose switching and amplification applications in low to medium power circuits.

 

Compliance information indicates RoHS3 compliance, though unverified, and REACH unaffected. The moisture sensitivity level (MSL) is rated as 1 (unlimited). The part is designed for reliable operation in various electronic systems.

2N3725 Quick Information

Product Type: Bipolar Transistor
Canonical Name: 2N3725 NPN Bipolar Transistor
Subcategory: NPN Single Transistor

2N3725 Compliance

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

2N3725 Estimated Pricing

Qty Low High
1+ $15.48 $15.48

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

2N3725 Features

  • NPN bipolar transistor in TO-5 package.
  • 50V collector-emitter breakdown voltage.
  • 1A continuous collector current.
  • 800mW power dissipation capability.
  • Minimum DC current gain of 60.

2N3725 Applications

  • General purpose switching circuits.
  • Low power amplification stages.
  • Driver for small relays and solenoids.
  • Used in signal processing and control systems.

2N3725 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the collector-emitter breakdown voltage of the 2N3725?

50V.

What is the maximum collector current?

1A.

What package does the 2N3725 come in?

Through-hole TO-205AA, TO-5-3 Metal Can, also known as TO-5.

What is the DC current gain (hFE) of this transistor?

Minimum 60 at Ic=100mA, Vce=1V.

Is the 2N3725 RoHS compliant?

RoHS3 compliant according to unverified data.

What is the power dissipation of the 2N3725?

800mW.

What is the saturation voltage at maximum current?

950mV maximum at Ib=100mA, Ic=1A.

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