2N5401_D10Z Equivalent & Substitute Parts

Part Overview

The 2N5401_D10Z is a Bipolar (BJT) Transistor with PNP polarity, rated for 150 V collector-emitter breakdown voltage and 600 mA maximum collector current. This component is designed for through-hole mounting in the TO-92-3 package configuration. The 2N5401_D10Z is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support, maintenance, and production continuity. Substitute parts with identical electrical specifications and compatible packaging enable seamless integration into existing circuit designs.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Current - Collector (Ic) (Max)	600	mA
Voltage - Collector Emitter Breakdown (Max)	150	V
Vce Saturation (Max) @ Ib, Ic	500mV @ 5mA, 50mA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	60 @ 10mA, 5V	—
Power - Max	625	mW
Frequency - Transition	400	MHz
Operating Temperature	-55 to 150	°C (TJ)
Mounting Type	Through Hole	—
Package / Case	TO-92-3 (TO-226AA)	—

Substitute Part Grouping Explanation

Substitution of the 2N5401_D10Z is determined by strict equivalence across the following electrical and mechanical parameters:

Transistor Polarity: PNP configuration
Maximum Collector Current: 600 mA
Collector-Emitter Breakdown Voltage: 150 V
Saturation Voltage: 500 mV @ 5mA, 50mA
DC Current Gain (hFE): Minimum 60 @ 10mA, 5V
Maximum Power Dissipation: 625 mW
Transition Frequency: 400 MHz
Operating Temperature Range: -55°C to 150°C
Package Configuration: TO-92-3 through-hole mounting

The 2N5401YTA meets all specified electrical parameters and maintains identical package configuration, establishing it as a direct substitute. The primary distinction between the main part and substitute is product status and packaging format (bulk versus cut tape).

Parameter Comparison

Parameter	2N5401_D10Z	2N5401YTA	Match
Transistor Type	PNP	PNP	✓
Current - Collector (Ic) (Max)	600 mA	600 mA	✓
Voltage - Collector Emitter Breakdown (Max)	150 V	150 V	✓
Vce Saturation (Max) @ Ib, Ic	500mV @ 5mA, 50mA	500mV @ 5mA, 50mA	✓
DC Current Gain (hFE) (Min) @ Ic, Vce	60 @ 10mA, 5V	60 @ 10mA, 5V	✓
Power - Max	625 mW	625 mW	✓
Frequency - Transition	400 MHz	400 MHz	✓
Operating Temperature	-55°C to 150°C	-55°C to 150°C	✓
Mounting Type	Through Hole	Through Hole	✓
Package / Case	TO-92-3	TO-92-3	✓
Product Status	Obsolete	Active	—
RoHS Status	Not specified	ROHS3 Compliant	—

Engineering Selection Recommendations

The 2N5401YTA is the direct substitute for the 2N5401_D10Z based on complete electrical and mechanical parameter equivalence. Selection of the 2N5401YTA is supported by the following factors:

Product Status: The 2N5401YTA maintains active product status, ensuring continued availability and manufacturer support, whereas the 2N5401_D10Z is classified as obsolete.

Regulatory Compliance: The 2N5401YTA is ROHS3 compliant, meeting current environmental and regulatory requirements. Both parts maintain REACH Unaffected status and EAR99 export classification.

Electrical Equivalence: All critical electrical parameters—collector current, breakdown voltage, saturation characteristics, current gain, power dissipation, and frequency response—are identical between the two parts.

Package Compatibility: Both parts utilize the TO-92-3 through-hole package with formed leads, ensuring direct mechanical and electrical compatibility in existing circuit board layouts.

Inventory Availability: The 2N5401YTA is available in higher inventory quantities (5200 Pcs) compared to the 2N5401_D10Z (1031 Pcs), supporting production continuity and supply chain reliability.

Frequently Asked Questions (FAQ)

Q: Can the 2N5401YTA be used as a direct replacement for the 2N5401_D10Z in existing designs?

A: Yes. The 2N5401YTA is electrically and mechanically equivalent to the 2N5401_D10Z. All electrical parameters, including collector current, breakdown voltage, saturation voltage, current gain, power dissipation, and frequency response, are identical. The TO-92-3 package configuration is unchanged, enabling direct substitution without circuit modification.

Q: What is the primary difference between the 2N5401_D10Z and 2N5401YTA?

A: The primary differences are product status and packaging format. The 2N5401_D10Z is obsolete and supplied in bulk packaging, while the 2N5401YTA is an active product supplied in cut tape (CT) format. The 2N5401YTA also carries ROHS3 compliance certification.

Q: Are there any temperature or operating condition limitations when substituting the 2N5401YTA for the 2N5401_D10Z?

A: No. Both parts share identical operating temperature ranges (-55°C to 150°C junction temperature) and all electrical specifications across the full operating range.

Q: Does the cut tape packaging of the 2N5401YTA affect compatibility with through-hole assembly processes?

A: No. Cut tape packaging is a supply format only. The 2N5401YTA component itself maintains the identical TO-92-3 through-hole package configuration and formed leads, ensuring compatibility with standard through-hole assembly equipment and processes.

Q: Is the 2N5401YTA suitable for new design implementations?

A: Yes. The 2N5401YTA is classified as an active product with ROHS3 compliance, making it suitable for new designs requiring PNP transistors with 150 V breakdown voltage and 600 mA collector current ratings in the TO-92-3 package.

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