Equivalent & Substitute Parts Reference for 2SA1695

Part Overview

The 2SA1695, manufactured by Sanken Electric USA Inc., is a bulk-packaged PNP bipolar junction transistor (BJT) with a maximum collector-emitter breakdown voltage of 140 V and a collector current rating up to 10 A. Designed for through-hole mounting in a TO-3P-3 Full Pack case, it features a transition frequency of 20MHz and a maximum power dissipation of 100 W. The part is active and ROHS3 compliant. In some cases, alternative models are required due to supply constraints, specific mechanical compatibility, or to meet sourcing policies while maintaining strict parameter consistency within the BJT transistor category.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Transistor Type	Current - Collector (Ic) (Max)	Voltage - Collector Emitter Breakdown (Max)	Vce Saturation (Max) @ Ib, Ic	Current - Collector Cutoff (Max)	DC Current Gain (hFE) (Min) @ Ic, Vce	Power - Max	Frequency - Transition	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package	RoHS Status	Moisture Sensitivity Level (MSL)	Product Status
2SA1695	Sanken Electric USA Inc.	Transistors, Bipolar (BJT)	PNP	10 A	140 V	500mV @ 500mA, 5A	10µA (ICBO)	50 @ 3A, 4V	100 W	20MHz	150°C (TJ)	Through Hole	TO-3P-3 Full Pack	TO-3P	ROHS3 Compliant	1 (Unlimited)	Active

Substitute Part Grouping Explanation

Substitutes for the 2SA1695 have been selected strictly based on matching the following essential parameters within the transistors, bipolar (BJT) category: transistor type, maximum collector current (Ic), collector-emitter breakdown voltage (Vce), collector cutoff current, minimum DC current gain, maximum Vce saturation at specified test conditions, operating frequency, mounting type, package/case, RoHS compliance, and device status. Any candidate part listed meets or stays within these technical and regulatory criteria as provided.

Parameter Comparison

Parameter	2SA1695	2SA1909
Manufacturer Part Number	2SA1695	2SA1909
Manufacturer	Sanken Electric USA Inc.	Sanken Electric USA Inc.
Category	Transistors, Bipolar (BJT)	Transistors, Bipolar (BJT)
Transistor Type	PNP	PNP
Current - Collector (Ic) (Max)	10 A	10 A
Voltage - Collector Emitter Breakdown (Max)	140 V	140 V
Vce Saturation (Max) @ Ib, Ic	500mV @ 500mA, 5A	500mV @ 500mA, 5A
Current - Collector Cutoff (Max)	10µA (ICBO)	10µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	50 @ 3A, 4V	50 @ 3A, 4V
Power - Max	100 W	80 W
Frequency - Transition	20MHz	20MHz
Operating Temperature	150°C (TJ)	150°C (TJ)
Mounting Type	Through Hole	Through Hole
Package / Case	TO-3P-3 Full Pack	TO-3P-3 Full Pack
Supplier Device Package	TO-3P	TO-3PF
RoHS Status	ROHS3 Compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

Both 2SA1695 and 2SA1909 are classified as active components and comply with RoHS and MSL 1 (Unlimited) requirements, ensuring compatibility with modern environmental and handling standards. Each product shares the same manufacturer, category, transistor type, maximum ratings for voltage and current, frequency, operating temperature, cutoff, and gain characteristics. The 2SA1695 offers higher maximum power dissipation (100 W) compared to the 2SA1909 (80 W), while both utilize through-hole mounting and a TO-3P-3 Full Pack case format. Selection may be based on inventory, compliance status, and application-specific power requirements as provided in the technical descriptions.

Frequently Asked Questions (FAQ)

Q1: What key electrical parameters must match when selecting a substitute for the 2SA1695?
Only parameters explicitly provided: transistor type, maximum collector current, collector-emitter breakdown voltage, Vce saturation, collector cutoff current, DC current gain, frequency, operating temperature, mounting type, and package/case.

Q2: Is the package/case relevant for mechanical compatibility?
Yes, both 2SA1695 and its substitute 2SA1909 use the TO-3P-3 Full Pack case, meeting the mounting and form factor requirements.

Q3: Is there a difference in maximum power dissipation between these parts?
Yes, 2SA1695 allows up to 100 W, while 2SA1909 allows up to 80 W. Evaluate only as indicated in the provided part descriptions.

Q4: Do both parts comply with RoHS and MSL standards?
Both are RoHS compliant and rated at MSL 1 (Unlimited), as specified.

Q5: Can substituting 2SA1909 for 2SA1695 result in compatibility issues based on the provided parameters?
Based strictly on listed allowable parameters and part status, 2SA1909 fulfills the electrical, mechanical, compliance, and inventory requirements specified.

Q6: Are there differences in supplier device package naming?
2SA1695 uses TO-3P; 2SA1909 specifies TO-3PF. Both share case format as described (TO-3P-3 Full Pack). Package details are as provided.

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