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Product Detailed Parameters
- Description：40V 200MA 500MW TH TRANSISTOR-QU
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tube
- Transistor Type：4 NPN
- Current - Collector (Ic) (Max)：200mA
- Voltage - Collector Emitter Breakdown (Max)：40V
- Vce Saturation (Max) @ Ib, Ic：200mV @ 1mA, 10mA
- Current - Collector Cutoff (Max)：50nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：75 @ 10mA, 1V
- Power - Max：500mW
- Frequency - Transition：250MHz
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：14-DIP (0.300", 7.62mm)
- Supplier Device Package：TO-116
- Grade：-
- Qualification：-
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Overview
The MPQ3904 is a small-signal NPN silicon transistor manufactured by Central Semiconductor Corp. It features a maximum collector-emitter voltage of 40V and a continuous collector current rating of 200mA. The device is housed in a TO-92-3 through-hole package with a power dissipation capacity of 625mW. Designed for general-purpose amplification and switching applications, it operates within a temperature range of -65°C to +150°C.
Feature Summary
- NPN silicon construction for reliable small-signal performance
- Through-hole TO-92-3 packaging for standard board mounting
- General-purpose design suitable for amplifier and switch circuits
Applications
- General-purpose signal amplification
- Low-power electronic switching
- Audio pre-amplifier stages
Procurement Notes
Verify the specific ordering suffix and lead time directly with Central Semiconductor or authorized distributors. Confirm RoHS compliance status and tin/lead plating specifications against project requirements before finalizing procurement orders.
Selection Notes
Select this component when a 40V NPN transistor with 200mA capability is required. Ensure the TO-92-3 package fits the mechanical constraints. Compare hFE gain ranges and thermal resistance values against circuit demands to ensure adequate performance margins.
Part Context
This part belongs to the MPQ series of small-signal transistors from Central Semiconductor. It serves as a standard NPN alternative in discrete semiconductor designs, often replacing legacy equivalents in consumer electronics and industrial control modules requiring low-current switching.
Replacement Considerations
- 2N3904
- BC547
FAQ
What is the maximum collector-emitter voltage?
The maximum collector-emitter voltage (VCEO) is 40V.
What package type does the MPQ3904 use?
It utilizes a TO-92-3 through-hole plastic package.
Is this an NPN or PNP transistor?
The MPQ3904 is an NPN bipolar junction transistor.
