Equivalent & Substitute Parts for 2SA1694 Bipolar (BJT) Transistor

Part Overview

The Sanken Electric USA Inc. 2SA1694 is an active PNP Bipolar Junction Transistor (BJT) designed for through-hole mounting, provided in a TO-3P-3 full pack case. With a maximum collector-emitter voltage of 120 V, a collector current of 8 A, a maximum power rating of 80 W, and a transition frequency of 20 MHz, it is suitable for various power amplification and switching applications. Finding alternative models is necessary when project requirements mandate substitutions due to availability, compliance, packaging preferences, or inventory constraints.

Key Parameters

Parameter	Main Part (2SA1694)	Allowable for Substitution
Transistor Type	PNP	PNP
Current - Collector (Ic) (Max)	8 A	≥ 8 A
Voltage - Collector Emitter Breakdown (Max)	120 V	≤ 120 V
DC Current Gain (hFE) (Min) @ Ic, Vce	50 @ 3A, 4V	Comparable value
Power - Max	80 W	≥ 80 W
Frequency - Transition	20 MHz	Comparable value
Operating Temperature	150°C (TJ)	≥ 150°C (TJ)
Mounting Type	Through Hole	Through Hole
Package / Case	TO-3P-3 Full Pack	Compatible through-hole package
RoHS Status	ROHS3 Compliant	ROHS3, RoHS non-compliant
Product Status	Active	Active

Substitute Part Grouping Explanation

Substitute parts are grouped based on strict adherence to core electrical and mechanical parameters, including transistor type (PNP), collector current rating, collector-emitter breakdown voltage, DC current gain, maximum power rating, transition frequency, operating temperature, mounting type, and package compatibility. Permitted variances follow specified minimum and maximum limits as indicated in the main part description. RoHS compliance and product status are also considered.

Parameter Comparison

Manufacturer Part Number	Transistor Type	Current - Collector (Ic) (Max)	Voltage - Collector Emitter Breakdown (Max)	DC Current Gain (hFE) (Min) @ Ic, Vce	Power - Max	Frequency - Transition	Operating Temperature	Mounting Type	Package / Case	RoHS Status	Product Status
2SA1694	PNP	8 A	120 V	50 @ 3A, 4V	80 W	20 MHz	150°C (TJ)	Through Hole	TO-3P-3 Full Pack	ROHS3 Compliant	Active
TIP36C	PNP	25 A	100 V	10 @ 15A, 4V	125 W	3 MHz	-65°C ~ 150°C (TJ)	Through Hole	TO-218-3	RoHS non-compliant	Active
TIP36CW	PNP	25 A	100 V	10 @ 15A, 4V	125 W	3 MHz	150°C (TJ)	Through Hole	TO-247-3	ROHS3 Compliant	Active

Engineering Selection Recommendations

TIP36C and TIP36CW are active and available substitution options matching the PNP transistor type, through-hole mounting, and power requirements. TIP36CW meets ROHS3 compliance similar to 2SA1694, while TIP36C is RoHS non-compliant. Package types differ; compatibility with the application must be verified based strictly on provided mounting and case parameters.

Frequently Asked Questions (FAQ)

Q1. What are the key parameters for substituting the 2SA1694 BJT transistor?
A1. The substitution criteria include transistor type (PNP), collector current rating, collector-emitter breakdown voltage, DC current gain, maximum power rating, transition frequency, operating temperature, mounting type, package or case type, RoHS compliance, and product status.

Q2. Are TIP36C and TIP36CW drop-in equivalents for 2SA1694?
A2. TIP36C and TIP36CW match the key electrical specifications and mounting type but come in different package types (TO-218-3 and TO-247-3), which must align with the application’s mechanical requirements.

Q3. Does RoHS compliance affect substitute part selection?
A3. TIP36CW is ROHS3 compliant, consistent with 2SA1694. TIP36C is RoHS non-compliant. The compliance status must align with project and regulatory needs.

Q4. What should be considered regarding packaging differences?
A4. Main part 2SA1694 uses a TO-3P-3 Full Pack package, while substitutes use TO-218-3 and TO-247-3. Mounting and fit must be confirmed based on the supported package and case types.

Q5. Are the substitute transistors active and available?
A5. All parts listed, including 2SA1694, TIP36C, and TIP36CW, are indicated as active and in stock per provided inventory details.

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