CM5943

Description：RF TRANS NPN 30V 2.4GHZ TO-39
Series：-

SKU:4a2578885c80 Category: Bipolar RF Transistors Brand: Central Semiconductor Corp

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Product introduction

Product Detailed Parameters

Description：RF TRANS NPN 30V 2.4GHZ TO-39
Series：-
Mfr：Central Semiconductor Corp
Package：Bulk
Transistor Type：NPN
Voltage - Collector Emitter Breakdown (Max)：30V
Frequency - Transition：2.4GHz
Noise Figure (dB Typ @ f)：8dB @ 200MHz
Gain：11.4dB
Power - Max：1W
DC Current Gain (hFE) (Min) @ Ic, Vce：25 @ 50mA, 15V
Current - Collector (Ic) (Max)：400mA
Operating Temperature：-65°C ~ 200°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-205AD, TO-39-3 Metal Can
Supplier Device Package：TO-39
Grade：-
Qualification：-

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CM5943

Overview

The CM5943 is an NPN bipolar RF transistor designed for high-frequency applications. It features a maximum collector-emitter voltage of 30V and a maximum collector current of 400mA. The device operates with a transition frequency of 2.4GHz and supports a maximum power dissipation of 1W. Packaged in a through-hole TO-39 case, it offers a typical noise figure of 8dB at 200MHz and a gain of 11.4dB. The component is rated for junction temperatures ranging from -65°C to 200°C.

Feature Summary

NPN bipolar construction optimized for radio frequency amplification
High transition frequency capability up to 2.4GHz
Robust thermal performance with extended junction temperature range
Through-hole TO-39 package for reliable mounting

Applications

RF amplifier circuits
High-frequency signal processing systems
Wireless communication equipment

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to ensure correct electrical characteristics and packaging configuration. Confirm that the TO-39 through-hole package aligns with your PCB layout requirements. Check for any recent product change notifications or environmental compliance updates prior to finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring NPN RF transistors with a 30V breakdown voltage and 400mA current handling. Ensure the application frequency does not exceed the 2.4GHz transition limit. Consider the 1W power dissipation rating for thermal management strategies within the system design constraints.

Part Context

Central Semiconductor Corp manufactures discrete semiconductors including diodes and transistors. The CM5943 belongs to their line of bipolar RF transistors intended for robust electronic applications. This part complements their portfolio of components used in various industrial and commercial electronics sectors.

Replacement Considerations

Consult official substitution lists for verified alternatives. Cross-reference parameters such as Vceo, Ic, and fT before implementing any substitute parts to maintain circuit integrity.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.