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HomeProductsDiscrete Semiconductor ProductsTransistors - Bipolar (BJT) - RF2N4957
Microsemi Corporation
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See specifications for product details.

2N4957 - Microsemi Corporation

Manufacturer Part Number
2N4957
Manufacturer
Microsemi
Allelco Part Number
32D-2N4957
ECAD Model
Parts Description
RF TRANS PNP 30V 30MA TO72
Detailed Description
Package
TO-72-3 Metal Can
Data sheet
2N4957.pdf
In stock: 3830

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Specifications

2N4957 Tech Specifications
Microsemi Corporation - 2N4957 technical specifications, attributes, parameters and parts with similar specifications to Microsemi Corporation - 2N4957

Product Attribute Attribute Value  
Manufacturer Microsemi  
Voltage - Collector Emitter Breakdown (Max) 30V  
Transistor Type PNP  
Supplier Device Package TO-72  
Series -  
Power - Max 200mW  
Package / Case TO-72-3 Metal Can  
Package Bulk  
Product Attribute Attribute Value  
Operating Temperature -65°C ~ 200°C (TJ)  
Noise Figure (dB Typ @ f) 3.5dB @ 450MHz  
Mounting Type Through Hole  
Gain 25dB  
Frequency - Transition -  
DC Current Gain (hFE) (Min) @ Ic, Vce 30 @ 5mA, 10V  
Current - Collector (Ic) (Max) 30mA  

Parts with Similar Specifications

The three parts on the right have similar specifications to Microsemi Corporation 2N4957

Product Attribute 2N4957 2N4923G 2N4998 2N4920
Part Number 2N4957 2N4923G 2N4998 2N4920
Manufacturer Microsemi Corporation onsemi Microchip Technology onsemi
Operating Temperature -65°C ~ 200°C (TJ) -65°C ~ 150°C (TJ) -65°C ~ 200°C (TJ) -65°C ~ 150°C (TJ)
Gain 25dB - - -
Current - Collector (Ic) (Max) 30mA 1 A 2 A 1 A
Supplier Device Package TO-72 TO-126 TO-59 TO-126
Voltage - Collector Emitter Breakdown (Max) 30V 80 V 80 V 80 V
Package Bulk Bulk Bulk Bulk
Mounting Type Through Hole Through Hole Stud Mount Through Hole
Transistor Type PNP NPN NPN PNP
DC Current Gain (hFE) (Min) @ Ic, Vce 30 @ 5mA, 10V 30 @ 500mA, 1V - 40 @ 50mA, 1V
Noise Figure (dB Typ @ f) 3.5dB @ 450MHz - - -
Package / Case TO-72-3 Metal Can TO-225AA, TO-126-3 TO-210AA, TO-59-4, Stud TO-225AA, TO-126-3
Frequency - Transition - 3MHz - 3MHz
Power - Max 200mW 30 W 35 W 30 W
Series - - - -

2N4957 Datasheet PDF

Download 2N4957 pdf datasheets and Microsemi Corporation documentation for 2N4957 - Microsemi Corporation.

Environmental Information
Microchip CA Prop65.pdf Microchip REACH.pdf Microchip RoHS.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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Microsemi Corporation

2N4957

Microsemi Corporation
32D-2N4957

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