2SC3284 Equivalent & Substitute Parts Reference

Part Overview

The 2SC3284 is an NPN bipolar junction transistor (BJT) designed for high-voltage and high-current applications, featuring a 150 V collector-emitter breakdown voltage, 14 A maximum collector current, 60 MHz transition frequency, 125 W maximum power dissipation, and TO-3P through-hole package. The product is in active status and is RoHS compliant. It is necessary to identify alternative models to address discontinuations, supply constraints, or logistics preferences while maintaining adherence to the original electrical and mechanical parameters required in this product category.

Key Parameters

Parameter	2SC3284
Transistor Type	NPN
Current - Collector (Ic) (Max)	14 A
Voltage - Collector Emitter Breakdown (Max)	150 V
Vce Saturation (Max) @ Ib, Ic	2V @ 500mA, 5A
Current - Collector Cutoff (Max)	100µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	50 @ 5A, 4V
Power - Max	125 W
Frequency - Transition	60MHz
Operating Temperature	150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-3P-3, SC-65-3
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution logic is strictly confined to the category of bipolar (BJT) NPN transistors and is based only on parameters explicitly provided. Substitute parts are grouped according to: transistor polarity; maximum collector current and voltage; Vce saturation; collector cutoff current; DC current gain; maximum power dissipation; transition frequency; operating temperature; mounting type; package/case; RoHS compliance; and MSL level. Only parts matching these key parameters are considered as equivalent or suitable substitutes within the boundaries of the supplied data.

Parameter Comparison

Parameter	2SC3284 (Sanken Electric USA Inc.)	2SC4886 (Sanken Electric USA Inc.)	2SD1047 (STMicroelectronics)
Transistor Type	NPN	NPN	NPN
Current - Collector (Ic) (Max)	14 A	14 A	12 A
Voltage - Collector Emitter Breakdown (Max)	150 V	150 V	140 V
Vce Saturation (Max) @ Ib, Ic	2V @ 500mA, 5A	2V @ 500mA, 5A	700mV @ 700mA, 7A
Current - Collector Cutoff (Max)	100µA (ICBO)	100µA (ICBO)	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	50 @ 5A, 4V	50 @ 5A, 4V	60 @ 1A, 5V
Power - Max	125 W	80 W	100 W
Frequency - Transition	60MHz	60MHz	20MHz
Operating Temperature	150°C (TJ)	150°C (TJ)	150°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	TO-3P-3, SC-65-3	TO-3P-3 Full Pack	TO-3P-3, SC-65-3
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Last Time Buy

Engineering Selection Recommendations

For direct substitution, 2SC4886 by Sanken Electric USA Inc. matches the transistor type, maximum voltage, maximum current, Vce saturation, transition frequency, and mounting style, with ROHS3 compliance and active status. 2SD1047 by STMicroelectronics is a similar part with slightly lower voltage and current ratings, distinct Vce saturation, and is listed as Last Time Buy. All listed parts are RoHS compliant and have a Moisture Sensitivity Level of 1 (Unlimited).

Frequently Asked Questions (FAQ)

Q1: What defines a suitable equivalent for the 2SC3284 transistor?
A1: Suitable equivalents must have the same NPN transistor polarity, comparable maximum collector current and voltage, Vce saturation and cutoff current values, minimum DC current gain, power dissipation, transition frequency, package type, mounting style, and RoHS compliance.

Q2: Are the substitute parts supplied in the same package type as 2SC3284?
A2: 2SC4886 uses TO-3P-3 Full Pack, while 2SD1047 uses TO-3P-3, SC-65-3, which corresponds to the main part's package form factors.

Q3: Is product compliance or status different among these parts?
A3: 2SC3284 and 2SC4886 are active and RoHS compliant. 2SD1047 is listed as Last Time Buy and is also ROHS3 compliant.

Q4: Is there a difference in maximum current and voltage ratings between the substitutes?
A4: 2SC4886 matches the 14 A, 150 V ratings. 2SD1047 offers 12 A, 140 V, which is lower than 2SC3284.

Q5: What is the moisture sensitivity for all parts listed?
A5: All listed transistors are rated MSL 1 (Unlimited).

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