TIP47TU Equivalent & Substitute Parts

Part Overview

The TIP47TU is an NPN bipolar junction transistor manufactured by onsemi, rated for 250 V collector-emitter breakdown voltage and 1 A maximum collector current in a TO-220-3 through-hole package. This device is classified as obsolete, making identification of equivalent and substitute parts necessary for ongoing design support and procurement continuity. The TIP47TU serves applications requiring moderate voltage and current switching capabilities with a 2 W power dissipation rating and 10 MHz transition frequency.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	250	V
Current - Collector (Ic) (Max)	1	A
Power - Max	2	W
Frequency - Transition	10	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	30 @ 300mA, 10V	—
Vce Saturation (Max) @ Ib, Ic	1V @ 200mA, 1A	—
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—

Substitute Part Grouping Explanation

Substitution of the TIP47TU is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Transistor Type: NPN configuration required
Voltage - Collector Emitter Breakdown (Max): 250 V minimum
Current - Collector (Ic) (Max): 1 A minimum
DC Current Gain (hFE): 30 minimum @ 300mA, 10V
Vce Saturation: 1V maximum @ 200mA, 1A

Mechanical Compatibility Criteria:

Mounting Type: Through Hole
Package / Case: TO-220-3

Substitution Categories:

Direct Equivalent: Parts meeting all electrical parameters within the specified ratings and maintaining identical package configuration.

Similar Substitute: Parts exceeding the electrical specifications of the TIP47TU while maintaining the same package type and NPN configuration. These devices provide enhanced performance characteristics and are suitable for applications where the TIP47TU specifications form a minimum requirement.

Parametric Equivalent: Parts from alternative manufacturers meeting the core electrical specifications and package requirements, enabling cross-manufacturer sourcing.

Parameter Comparison

Parameter	TIP47TU (Main)	TIP47G (Direct)	MJE15032G (Similar)	TIP47 / NTE (Parametric)
Manufacturer	onsemi	onsemi	onsemi	NTE Electronics, Inc
Transistor Type	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	250 V	250 V	250 V	250 V
Current - Collector (Ic) (Max)	1 A	1 A	8 A	1 A
Power - Max	2 W	2 W	50 W	40 W
Frequency - Transition	10 MHz	10 MHz	30 MHz	10 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	30 @ 300mA, 10V	30 @ 300mA, 10V	10 @ 2A, 5V	30 @ 300mA, 10V
Vce Saturation (Max) @ Ib, Ic	1V @ 200mA, 1A	1V @ 200mA, 1A	500mV @ 100mA, 1A	1V @ 200mA, 1A
Current - Collector Cutoff (Max)	1mA	1mA	10µA	1mA
Operating Temperature	150°C (TJ)	-65°C ~ 150°C (TJ)	-65°C ~ 150°C (TJ)	-65°C ~ 150°C (TJ)
Package / Case	TO-220-3	TO-220-3	TO-220-3	TO-220-3
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant

Engineering Selection Recommendations

TIP47G (Direct Equivalent - Recommended Primary Substitute)

The TIP47G is the direct equivalent to the TIP47TU, manufactured by onsemi under the same base product number. It maintains identical electrical specifications across all critical parameters: 250 V breakdown voltage, 1 A maximum collector current, 2 W power rating, 10 MHz transition frequency, and matching DC current gain and saturation characteristics. The TIP47G is classified as Active product status, ensuring ongoing availability and supply chain continuity. The device is ROHS3 compliant, meeting current environmental and regulatory requirements. The TO-220-3 package configuration is identical, enabling direct mechanical and thermal compatibility. This part is the preferred substitute for direct replacement applications.

MJE15032G (Similar Substitute - Enhanced Performance)

The MJE15032G provides enhanced electrical performance while maintaining the same 250 V breakdown voltage and TO-220-3 package configuration. This device exceeds the TIP47TU specifications in collector current (8 A versus 1 A), power dissipation (50 W versus 2 W), transition frequency (30 MHz versus 10 MHz), and offers improved collector cutoff current characteristics (10µA versus 1mA). The MJE15032G is Active product status and ROHS3 compliant. This substitute is suitable for applications where the TIP47TU specifications represent minimum requirements and where enhanced performance margins are beneficial. Thermal management considerations may differ due to increased power rating.

TIP47 / NTE Electronics (Parametric Equivalent - Alternative Manufacturer)

The TIP47 from NTE Electronics, Inc provides parametric equivalence to the TIP47TU, matching the core electrical specifications: 250 V breakdown voltage, 1 A maximum collector current, 10 MHz transition frequency, and identical DC current gain and saturation parameters. The device is housed in the TO-220-3 package with through-hole mounting. This part is Active product status. The device is RoHS non-compliant, which may present regulatory constraints in applications subject to RoHS requirements. This substitute enables cross-manufacturer sourcing where onsemi supply is constrained and RoHS compliance is not mandated.

Frequently Asked Questions (FAQ)

Q: Can the TIP47G be used as a direct replacement for the TIP47TU?

A: Yes. The TIP47G is a direct equivalent, sharing identical electrical specifications and TO-220-3 package configuration. The primary difference is product status: TIP47G is Active while TIP47TU is Obsolete. No circuit modifications are required for substitution.

Q: What are the advantages of using MJE15032G over TIP47G?

A: The MJE15032G provides enhanced performance specifications: 8 A collector current versus 1 A, 50 W power rating versus 2 W, and 30 MHz transition frequency versus 10 MHz. These enhancements allow operation at higher current levels and frequencies. However, the MJE15032G maintains the same 250 V breakdown voltage. Selection depends on application current and frequency requirements.

Q: Is the MJE15032G a direct replacement for the TIP47TU?

A: The MJE15032G is a similar substitute, not a direct replacement. While it maintains the same 250 V breakdown voltage and TO-220-3 package, it exceeds the TIP47TU specifications in current, power, and frequency. It is suitable for applications where these enhanced specifications are beneficial or required, but circuit design must account for the different electrical characteristics.

Q: Why is the TIP47 from NTE Electronics listed as RoHS non-compliant?

A: The TIP47 from NTE Electronics does not meet ROHS3 compliance standards. This may restrict its use in applications or markets requiring RoHS certification. The onsemi equivalents (TIP47G and MJE15032G) are ROHS3 compliant and are preferred for regulated applications.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All substitute parts listed are housed in the TO-220-3 package with through-hole mounting configuration. This ensures mechanical and thermal compatibility with existing PCB designs and heat sink assemblies.

Q: What is the operating temperature range difference between TIP47TU and its substitutes?

A: The TIP47TU specifies a maximum junction temperature of 150°C without a minimum operating temperature. The TIP47G, MJE15032G, and NTE TIP47 all specify an operating temperature range of -65°C to 150°C (TJ), providing extended low-temperature operation capability.

Q: Can the NTE TIP47 be used in applications requiring RoHS compliance?

A: No. The NTE TIP47 is RoHS non-compliant. For applications requiring RoHS certification, use the TIP47G or MJE15032G, both of which are ROHS3 compliant.

Q: What inventory levels are available for each substitute?

A: TIP47G has 2,056 pieces in stock, MJE15032G has 35,100 pieces in stock, and NTE TIP47 has 26,200 pieces in stock. These inventory levels support immediate procurement for production requirements.

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