BC547_J61Z Equivalent & Substitute Parts

Part Overview

The BC547_J61Z is a small-signal NPN bipolar junction transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. This device features a maximum collector current of 100 mA, collector-emitter breakdown voltage of 45 V, and a transition frequency of 300 MHz. The part is housed in a TO-92-3 through-hole package with a maximum power dissipation of 500 mW.

The BC547_J61Z is classified as obsolete. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications currently utilizing this component.

Substiute Parts

BC547_J61Z

onsemiIn Stock: 897BC547_J61Z Datasheet

Current PartRFQ

BC547ATA

Fairchild SemiconductorIn Stock: 16854BC547ATA Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BC547_J61Z is determined by electrical and mechanical parameter equivalence. A valid substitute must satisfy all of the following criteria:

Electrical Parameters (Required Match):

• Transistor Type: NPN
• Current - Collector (Ic) (Max): 100 mA
• Voltage - Collector Emitter Breakdown (Max): 45 V
• Vce Saturation (Max) @ Ib, Ic: 600 mV @ 5 mA, 100 mA
• Current - Collector Cutoff (Max): 15 nA
• DC Current Gain (hFE) (Min) @ Ic, Vce: 110 @ 2 mA, 5 V
• Power - Max: 500 mW
• Frequency - Transition: 300 MHz
• Operating Temperature (TJ): 150 °C

Mechanical Parameters (Required Match):

• Mounting Type: Through Hole
• Package / Case: TO-92-3 (TO-226AA)

The BC547ATA meets all specified electrical and mechanical parameters and is therefore classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

BC547ATA (Fairchild Semiconductor) is the identified parametric equivalent for the BC547_J61Z.

Product Status Consideration: The BC547_J61Z is classified as obsolete, while the BC547ATA is classified as active. Selection of the BC547ATA ensures access to an actively manufactured component with established supply chain availability.

Compliance and Certification: Both parts carry identical ECCN (EAR99) and HTSUS (8541.21.0075) classifications, confirming regulatory equivalence for export and tariff purposes.

Electrical and Mechanical Equivalence: The BC547ATA provides complete parameter matching across all specified electrical characteristics and mechanical form factor requirements, enabling direct substitution in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can the BC547ATA be used as a direct replacement for the BC547_J61Z?

A: Yes. The BC547ATA meets all electrical and mechanical parameters specified for the BC547_J61Z, including collector current, breakdown voltage, saturation characteristics, current gain, power dissipation, transition frequency, and TO-92-3 package configuration. Direct substitution is supported.

Q: What is the primary reason for seeking a substitute for the BC547_J61Z?

A: The BC547_J61Z is classified as obsolete. The BC547ATA is an active product with established manufacturing and distribution channels, ensuring long-term component availability.

Q: Are there any differences in package configuration between these parts?

A: No. Both the BC547_J61Z and BC547ATA utilize the TO-92-3 (TO-226AA) through-hole package with formed leads. PCB footprint and mounting procedures are identical.

Q: Do these parts have the same regulatory classifications?

A: Yes. Both parts carry identical ECCN (EAR99) and HTSUS (8541.21.0075) classifications, confirming regulatory equivalence.

Q: What electrical parameters must match for substitution to be valid?

A: Substitution requires matching of transistor type (NPN), maximum collector current (100 mA), collector-emitter breakdown voltage (45 V), saturation voltage (600 mV @ 5 mA, 100 mA), collector cutoff current (15 nA), DC current gain (110 @ 2 mA, 5 V), maximum power dissipation (500 mW), transition frequency (300 MHz), and maximum operating temperature (150 °C).