2SC6145A Equivalent & Substitute Parts Reference

Part Overview

The 2SC6145A is a Bipolar Junction Transistor (BJT) manufactured by Sanken Electric USA Inc., classified in the Transistors, Bipolar (BJT) category. This device is characterized by its NPN polarity, collector-emitter breakdown voltage of 260 V, maximum collector current of 15 A, and maximum power dissipation of 160 W. Packaged in a TO-3P through-hole case, it offers high-frequency capability at 60 MHz and is suited for high-power switching and amplification. The 2SC6145A is currently marked as obsolete, making it necessary to identify substitute parts with matching or closely comparable electrical and mechanical parameters to ensure design continuity and reliable sourcing.

Key Parameters

Parameter	2SC6145A
Transistor Type	NPN
Current - Collector (Ic) (Max)	15 A
Voltage - Collector Emitter Breakdown (Max)	260 V
Vce Saturation (Max) @ Ib, Ic	500mV @ 500mA, 5A
Current - Collector Cutoff (Max) (ICBO)	10µA
DC Current Gain (hFE) (Min) @ Ic, Vce	40 @ 5A, 4V
Power - Max	160 W
Frequency - Transition	60 MHz
Operating Temperature (TJ)	150°C
Mounting Type	Through Hole
Package / Case	TO-3P-3 Full Pack
Supplier Device Package	TO-3P
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 2SC6145A relies exclusively on matching the following parameters: transistor type (NPN), maximum collector current (15 A), collector-emitter breakdown voltage, Vce saturation at specified bias conditions, collector cutoff current (ICBO), minimum DC current gain (hFE) at defined current and voltage, maximum power dissipation, transition frequency, maximum junction temperature, mounting type (through hole), and identical or compatible package (TO-3P). RoHS compliance and moisture sensitivity level are also included, as well as product status when considering ongoing supply chain requirements.

Parameter Comparison

Parameter	2SC6145A	2SC3263
Manufacturer	Sanken Electric USA Inc.	Sanken Electric USA Inc.
Category	Transistors, Bipolar (BJT)	Transistors, Bipolar (BJT)
Transistor Type	NPN	NPN
Current - Collector (Ic) (Max)	15 A	15 A
Voltage - Collector Emitter Breakdown (Max)	260 V	230 V
Vce Saturation (Max) @ Ib, Ic	500mV @ 500mA, 5A	2V @ 500mA, 5A
Current - Collector Cutoff (Max) (ICBO)	10µA	100µA
DC Current Gain (hFE) (Min) @ Ic, Vce	40 @ 5A, 4V	40 @ 5A, 4V
Power - Max	160 W	130 W
Frequency - Transition	60 MHz	60 MHz
Operating Temperature (TJ)	150°C	150°C
Mounting Type	Through Hole	Through Hole
Package / Case	TO-3P-3 Full Pack	TO-3P-3, SC-65-3
Supplier Device Package	TO-3P	TO-3P
RoHS Status	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active

Engineering Selection Recommendations

Selection between 2SC6145A and the substitute 2SC3263 should be based on product status, compliance, and certifications. The 2SC6145A is obsolete, while the 2SC3263 is active. Both are RoHS compliant and have an MSL rating of 1 (Unlimited), supporting unrestricted handling during assembly. Only these listed compliance parameters are to be considered for qualification in regulated or certified designs.

Frequently Asked Questions (FAQ)

Q1: What parameters must match when choosing a substitute for the 2SC6145A?
A1: Key parameters include transistor type, collector current, collector-emitter breakdown voltage, Vce saturation at specified bias, collector cutoff current, minimum DC current gain, maximum power dissipation, transition frequency, maximum junction temperature, mounting type, and package.

Q2: Is the 2SC3263 form-factor compatible with the 2SC6145A?
A2: The 2SC3263 utilizes a TO-3P-3 (SC-65-3) package, matching the TO-3P footprint specified for the 2SC6145A.

Q3: Are there differences in RoHS compliance or MSL between the 2SC6145A and substitutes?
A3: Both the 2SC6145A and 2SC3263 are RoHS compliant and have a Moisture Sensitivity Level (MSL) of 1 (Unlimited).

Q4: Does the product status affect the choice of substitute?
A4: The 2SC6145A is obsolete, making the 2SC3263, which is active, suitable for ongoing production and continuous supply.

Q5: Are there any differences in maximum voltage, power, or performance?
A5: The 2SC6145A has a collector-emitter breakdown voltage of 260 V and a maximum power of 160 W, compared to 230 V and 130 W for the 2SC3263. All other key performance parameters provided are equivalent.

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