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CMUT3904 TR PBFREE NPN bipolar junction transistor rated for 40V collector-emitter breakdown voltage and 200mA continuous collector current. Offered in a surface-mount SOT-523 package with 250mW power dissipation.
Mfr Part #:

CMUT3904 TR PBFREE

Available from 2 distributors
Mfr Name: Central Semiconductor Corp
Central Semiconductor Corp
NPN bipolar junction transistor rated for 40V collector-emitter breakdown voltage and 200mA continuous collector current. Offered in a surface-mount SOT-523 package with 250mW power dissipation.
✓ Total Stock: 240 pcs
$ Price Range: $0.08

CMUT3904 TR PBFREE Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
196 pcs
On Request
196 pcs On Request 1 On Request On Request On Request On Request On Request
Trace Tec ✓
Non-Authorised Inventory information
44 pcs
On Request
44 pcs On Request 1 On Request On Request On Request On Request On Request
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CMUT3904 TR PBFREE Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Halogen Free
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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CMUT3904 TR PBFREE Description

Short technical summary and product information.

CMUT3904 TR PBFREE is an NPN silicon bipolar junction transistor from Central Semiconductor, manufactured using the epitaxial planar process and molded in a SOT-523 surface mount package. It is the NPN half of a complementary transistor pair with the CMUT3906 PNP device and is designed for small signal general purpose amplifier and switching applications.

 

Electrical ratings include a minimum collector-emitter breakdown voltage of 40 V, minimum collector-base breakdown voltage of 60 V, minimum emitter-base breakdown voltage of 6 V, and a continuous collector current rating of 200 mA. Maximum power dissipation is 250 mW, and the operating junction temperature range is -65°C to +150°C. DC current gain ranges from 100 to 300 at Vce = 1 V and Ic = 10 mA, with a minimum gain of 30 at 100 mA. The collector-emitter saturation voltage is 0.2 V maximum at Ic = 10 mA and Ib = 1 mA, and the transition frequency is 300 MHz minimum.

 

The device is supplied in a surface-mount SOT-523 package (also known as SC-89/SOT-490) with lead code 1: Base, 2: Emitter, 3: Collector, and marking code AC1. Thermal resistance from junction to ambient is 500°C/W. The PBFREE suffix in the part number indicates a lead-free variant.

CMUT3904 TR PBFREE Quick Information

Product Type: NPN Bipolar Junction Transistor (BJT)
Series: CMUT3904
Canonical Name: CMUT3904 TR PBFREE NPN Bipolar Junction Transistor, 40V, 200mA, SOT-523
Subcategory: Single Bipolar Transistor

CMUT3904 TR PBFREE Compliance

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

CMUT3904 TR PBFREE Estimated Pricing

Qty Low High
12,000+ $0.08 $0.08

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

CMUT3904 TR PBFREE Features

  • NPN silicon epitaxial planar transistor.
  • Has 40V collector-emitter breakdown voltage.
  • Handles 200mA continuous collector current.
  • Offered in surface mount SOT-523 package.
  • Provides 300MHz minimum transition frequency.

CMUT3904 TR PBFREE Applications

  • Suitable for small signal general purpose amplifiers.
  • Used in low power switching circuits.
  • Pairs with complementary CMUT3906 PNP transistor.
  • Fits compact surface mount PCB designs.

CMUT3904 TR PBFREE FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type for the CMUT3904 TR PBFREE?

The CMUT3904 TR PBFREE is offered in a surface-mount SOT-523 package, also known as SC-89 or SOT-490, with lead code 1: Base, 2: Emitter, 3: Collector.

What is the operating junction temperature range?

The operating junction temperature range is -65°C to +150°C.

Is the CMUT3904 TR PBFREE RoHS compliant?

Existing product data lists it as RoHS3 compliant and lead-free (PBFREE), but this compliance status is unverified and should be confirmed before use.

What are the breakdown voltage ratings?

Collector-emitter breakdown voltage is 40 V minimum, collector-base breakdown voltage is 60 V minimum, and emitter-base breakdown voltage is 6 V minimum.

What is the maximum continuous collector current?

The maximum continuous collector current is 200 mA.

What is the DC current gain at 10 mA?

At Vce = 1 V and Ic = 10 mA, the DC current gain (hFE) is 100 to 300.

What is the transition frequency of this transistor?

The transition frequency is 300 MHz minimum, tested at Vce = 20 V, Ic = 10 mA, f = 100 MHz.

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