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2N3771 NPN high power silicon transistor designed for linear amplifiers and switching applications. Rated 40V VCEO, 30A continuous collector current in TO-3 package.
Mfr Part #:

2N3771

Available from 1 distributors
Mfr Name: Solid State Devices Inc (SSDI)
Solid State Devices Inc (SSDI)
NPN high power silicon transistor designed for linear amplifiers and switching applications. Rated 40V VCEO, 30A continuous collector current in TO-3 package.
✓ Total Stock: 80,000 pcs

2N3771 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
80,000 pcs
On Request
80000 pcs On Request 1 On Request On Request On Request On Request On Request
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2N3771 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Industrial Grade
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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2N3771 Description

Short technical summary and product information.

The 2N3771 is a high power NPN silicon power transistor designed for linear amplifiers, series pass regulators, and inductive switching applications. It features a forward biased second breakdown current capability of 3.75 Adc at VCE=40Vdc. The device is rated for a maximum collector-emitter voltage of 40V, continuous collector current of 30A, and power dissipation of 150W at case temperature 25°C. The transistor is housed in a TO-204AA (TO-3) through-hole package, offering excellent thermal performance with a junction-to-case thermal resistance of 1.17°C/W. The operating junction temperature range is -65 to +200°C. This device is Pb-Free and RoHS compliant.

2N3771 Quick Information

Product Type: NPN Power Transistor
Canonical Name: 2N3771 NPN High Power Silicon Transistor
Subcategory: NPN Power Transistor

2N3771 Compliance

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

2N3771 Features

  • NPN silicon high power transistor.
  • Collector-emitter voltage rating of 40V.
  • Continuous collector current up to 30A.
  • Maximum power dissipation of 150W.
  • RoHS compliant Pb-free package.

2N3771 Applications

  • Designed for linear amplifier circuits.
  • Used in series pass voltage regulators.
  • Suitable for inductive switching applications.
  • High current capability for power management.

2N3771 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the 2N3771?

40V maximum.

What is the maximum continuous collector current?

30A continuous.

What is the maximum power dissipation of the 2N3771?

150W at case temperature 25°C.

What is the operating junction temperature range?

-65°C to +200°C.

What package is the 2N3771 available in?

TO-204AA (TO-3) through-hole package.

Is the 2N3771 RoHS compliant?

Yes, RoHS3 compliant per datasheet (unverified).

What is the DC current gain (hFE) of the 2N3771?

Minimum hFE of 15 at Ic=15A, Vce=4V.

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