TIP107TU Equivalent & Substitute Parts

Part Overview

The TIP107TU is a PNP Darlington bipolar junction transistor manufactured by onsemi, rated for 100 V collector-emitter breakdown voltage and 8 A maximum collector current in a TO-220-3 through-hole package. This device is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives with allowable parameter variations within the same product category.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP - Darlington	—
Current - Collector (Ic) (Max)	8	A
Voltage - Collector Emitter Breakdown (Max)	100	V
Vce Saturation (Max) @ Ib, Ic	2.5V @ 80mA, 8A	V
Current - Collector Cutoff (Max)	50	µA
DC Current Gain (hFE) (Min) @ Ic, Vce	1000 @ 3A, 4V	—
Power - Max	2	W
Operating Temperature (TJ)	150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—

Substitute Part Grouping Explanation

Substitution of the TIP107TU is determined by equivalence in the following critical parameters: transistor type (PNP - Darlington), maximum collector current (8 A), maximum collector-emitter breakdown voltage (100 V), maximum power dissipation (2 W), mounting type (through hole), and package form factor (TO-220-3). Parts are classified into two substitution categories:

Direct Equivalents: Parts maintaining all specified electrical parameters and identical package designation. These include TIP107G (onsemi) and TIP107 (STMicroelectronics), both rated for 8 A, 100 V, and 2 W with TO-220-3 packaging.

Functional Substitutes: Parts with identical voltage and current ratings but allowable variations in secondary parameters such as saturation voltage, cutoff current, or current gain specifications. The TIP137 (STMicroelectronics) qualifies as a functional substitute, maintaining 8 A, 100 V, and 2 W ratings while exhibiting different saturation and cutoff characteristics.

Parameter Comparison

Parameter	TIP107TU (onsemi)	TIP107G (onsemi)	TIP107 (STMicroelectronics)	TIP137 (STMicroelectronics)
Transistor Type	PNP - Darlington	PNP - Darlington	PNP - Darlington	PNP - Darlington
Current - Collector (Ic) (Max)	8 A	8 A	8 A	8 A
Voltage - Collector Emitter Breakdown (Max)	100 V	100 V	100 V	100 V
Vce Saturation (Max) @ Ib, Ic	2.5V @ 80mA, 8A	2.5V @ 80mA, 8A	2.5V @ 80mA, 8A	4V @ 30mA, 6A
Current - Collector Cutoff (Max)	50 µA	50 µA	50 µA	500 µA
DC Current Gain (hFE) (Min) @ Ic, Vce	1000 @ 3A, 4V	1000 @ 3A, 4V	1000 @ 3A, 4V	1000 @ 4A, 4V
Power - Max	2 W	2 W	2 W	2 W
Operating Temperature (TJ)	150°C	-65°C ~ 150°C	150°C	150°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-3	TO-220-3	TO-220-3	TO-220-3
Product Status	Obsolete	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

TIP107G (onsemi): This part is the direct equivalent to TIP107TU, maintaining identical electrical specifications and TO-220-3 packaging. TIP107G is currently in active production status with ROHS3 compliance and higher inventory availability (9,094 units). Selection of TIP107G provides direct functional replacement with enhanced environmental compliance and supply continuity.

TIP107 (STMicroelectronics): This part is a direct equivalent manufactured by STMicroelectronics, matching all electrical parameters and package specifications of the TIP107TU. The TIP107 is in active production with ROHS3 compliance and substantial inventory (28,650 units). This option provides cross-manufacturer equivalence with superior supply availability.

TIP137 (STMicroelectronics): This part functions as a substitute with identical voltage and current ratings but exhibits higher saturation voltage (4V @ 30mA, 6A versus 2.5V @ 80mA, 8A) and elevated cutoff current (500 µA versus 50 µA). The TIP137 is suitable for applications where these parameter variations are acceptable. This part is in active production with ROHS3 compliance and the highest inventory level (67,710 units).

Frequently Asked Questions (FAQ)

Q: Can TIP107G directly replace TIP107TU without circuit modification?

A: Yes. TIP107G maintains identical electrical specifications (8 A, 100 V, 2 W) and TO-220-3 packaging. No circuit modification is required for direct substitution.

Q: What is the difference between TIP107 (STMicroelectronics) and TIP107G (onsemi)?

A: Both parts are direct equivalents with identical electrical ratings and packaging. The primary difference is manufacturer. TIP107 is manufactured by STMicroelectronics while TIP107G is manufactured by onsemi. Both are ROHS3 compliant and in active production.

Q: Can TIP137 be used in place of TIP107TU?

A: TIP137 is a functional substitute with identical voltage and current ratings. However, TIP137 exhibits higher saturation voltage (4V versus 2.5V) and higher cutoff current (500 µA versus 50 µA). Substitution is permissible only if the application circuit tolerates these parameter variations without performance degradation.

Q: Why is TIP107TU listed as obsolete?

A: TIP107TU is classified as obsolete by the manufacturer. Direct equivalents TIP107G and TIP107 are available in active production status and are recommended for new designs and ongoing procurement.

Q: Are all substitute parts available in the same TO-220-3 package?

A: Yes. All listed equivalents and substitutes utilize TO-220-3 through-hole packaging, ensuring mechanical and thermal compatibility with existing PCB layouts and heat sink mounting configurations.

Q: What is the operating temperature range difference between TIP107TU and TIP107G?

A: TIP107TU specifies a maximum junction temperature of 150°C. TIP107G specifies an operating range of -65°C to 150°C, providing extended low-temperature capability. Both parts are suitable for standard industrial temperature ranges.

Q: Are all substitute parts RoHS compliant?

A: TIP107G, TIP107, and TIP137 are all ROHS3 compliant. TIP107TU compliance status is not specified in the provided data.

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