TIP141 Equivalent & Substitute Parts Reference Page

Part Overview

The TIP141 is an NPN Bipolar Junction Transistor (BJT) from onsemi, designed for high current applications, rated at 80 V, 10 A, and 125 W, housed in a TO-218-3 package and suitable for through-hole mounting. This part is marked as obsolete, necessitating the identification and selection of suitable equivalent and substitute models to maintain availability for both ongoing and legacy designs.

Key Parameters

Manufacturer Part Number	Transistor Type	Voltage - Collector Emitter Breakdown (Max)	Current - Collector (Ic) (Max)	DC Current Gain (hFE) (Min)	Power - Max	Operating Temperature	Mounting Type	Package / Case	RoHS Status
TIP141	NPN	80 V	10 A	1000 @ 5A, 4V	125 W	-65°C ~ 150°C (TJ)	Through Hole	TO-218-3	RoHS non-compliant
TIP141G	NPN - Darlington	80 V	10 A	1000 @ 5A, 4V	125 W	-65°C ~ 150°C (TJ)	Through Hole	TO-247-3	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute selection for TIP141 follows strict matching of essential electrical and mechanical parameters: transistor type, collector-emitter voltage (max), collector current (max), DC current gain (minimum at defined test conditions), power rating, operating temperature range, and mounting style. Additionally, package or case format and RoHS compliance are considered for environmental compatibility and physical fitment.

Parameter Comparison

Manufacturer Part Number	Transistor Type	Voltage - Collector Emitter Breakdown (Max)	Current - Collector (Ic) (Max)	DC Current Gain (hFE) (Min) @ Ic, Vce	Power - Max	Operating Temperature	Mounting Type	Package / Case	RoHS Status
TIP141	NPN	80 V	10 A	1000 @ 5A, 4V	125 W	-65°C ~ 150°C (TJ)	Through Hole	TO-218-3	RoHS non-compliant
TIP141G	NPN - Darlington	80 V	10 A	1000 @ 5A, 4V	125 W	-65°C ~ 150°C (TJ)	Through Hole	TO-247-3	ROHS3 Compliant

Engineering Selection Recommendations

Due to the obsolete status of TIP141, direct substitutes are required for continued usage. TIP141G matches all defined electrical ratings and mounting style but features a different package (TO-247-3 versus TO-218-3) and meets ROHS compliance. Selection must consider the impact of package change on board layout and assembly. For applications or specifications mandated by RoHS, TIP141G offers compliance; for legacy designs restricted to TO-218-3 format, sole compatibility with original mounting may require evaluation.

Frequently Asked Questions (FAQ)

Q: What electrical parameters must match for a TIP141 substitute?
A: Key matching parameters include transistor type, maximum collector-emitter voltage, maximum collector current, minimum DC current gain at the specified test conditions, power rating, and operating temperature range.

Q: How important is package equivalency when selecting a substitute for TIP141?
A: Package type affects physical mounting and thermal characteristics. TIP141 uses TO-218-3; substitutes like TIP141G use TO-247-3. Board layout and heat dissipation requirements should align with the intended package.

Q: Is RoHS compliance a factor in selecting a substitute?
A: RoHS compliance is essential for applications requiring environmentally friendly components. TIP141G is ROHS3 compliant, while TIP141 is not.

Q: Can TIP141G directly replace TIP141 in all cases?
A: TIP141G matches electrical parameters and mounting type but differs in package format and compliance status. Review compatibility with existing hardware before selection.

Q: Are there differences in DC current gain values between TIP141 and TIP141G?
A: Both TIP141 and TIP141G specify a minimum DC current gain of 1000 @ 5A, 4V. This supports compatibility for current gain requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message