Equivalent & Substitute Parts for 2DB1697-13

Part Overview

The 2DB1697-13 is a PNP bipolar junction transistor manufactured by Diodes Incorporated, rated for 12 V collector-emitter breakdown voltage and 2 A maximum collector current. This component is packaged in SOT-89-3 surface mount configuration and is designed for general-purpose switching and amplification applications operating across a temperature range of -55°C to 150°C.

The 2DB1697-13 carries an obsolete product status. Locating equivalent or substitute components is necessary to support ongoing production requirements, field repairs, and design continuity where this transistor is specified in existing schematics and bill of materials documentation.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	12	V
Current - Collector (Ic) (Max)	2	A
Power - Max	900	mW
Frequency - Transition	140	MHz
Operating Temperature Range	-55 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-243AA	—
Supplier Device Package	SOT-89-3	—
DC Current Gain (hFE) (Min) @ Ic, Vce	270 @ 200mA, 2V	—
Vce Saturation (Max) @ Ib, Ic	180mV @ 50mA, 1A	—
Current - Collector Cutoff (Max)	100	nA

Substitute Part Grouping Explanation

Substitution of the 2DB1697-13 is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Transistor polarity: PNP
Voltage rating: Collector-emitter breakdown voltage ≥ 12 V
Current rating: Maximum collector current ≥ 2 A
Package compatibility: Surface mount TO-243AA / SOT-89 family
Operating temperature range: Minimum -55°C to maximum ≥ 150°C
RoHS3 compliance and MSL rating of 1 (Unlimited)

Secondary Compatibility Factors:

DC current gain (hFE) characteristics at specified test conditions
Vce saturation voltage performance
Transition frequency performance
Power dissipation capability

Substitute parts are grouped into two categories: direct parametric equivalents and manufacturer-recommended alternatives. Direct parametric equivalents maintain identical or superior electrical specifications within the same package family. Manufacturer-recommended alternatives provide enhanced performance characteristics while maintaining backward compatibility with the original design envelope.

Parameter Comparison

Parameter	2DB1697-13 (Main)	FCX717TA	2SB1697T100	PBSS301PX,115
Manufacturer	Diodes Incorporated	Diodes Incorporated	Rohm Semiconductor	Nexperia USA Inc.
Transistor Type	PNP	PNP	PNP	PNP
Voltage - Collector Emitter Breakdown (Max)	12 V	12 V	12 V	12 V
Current - Collector (Ic) (Max)	2 A	3 A	2 A	5.3 A
Power - Max	900 mW	2 W	500 mW	2.1 W
Frequency - Transition	140 MHz	110 MHz	360 MHz	140 MHz
Operating Temperature (Max)	150°C	150°C	150°C	150°C
Package / Case	TO-243AA	TO-243AA	TO-243AA	TO-243AA
Supplier Device Package	SOT-89-3	SOT-89-3	MPT3	SOT-89
DC Current Gain (hFE) (Min) @ Ic, Vce	270 @ 200mA, 2V	300 @ 100mA, 2V	270 @ 200mA, 2V	200 @ 2A, 2V
Vce Saturation (Max) @ Ib, Ic	180mV @ 50mA, 1A	320mV @ 50mA, 3A	180mV @ 50mA, 1A	210mV @ 265mA, 5.3A
Current - Collector Cutoff (Max)	100 nA	100 nA	100 µA	100 nA
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Automotive Grade	—	—	—	AEC-Q100

Engineering Selection Recommendations

FCX717TA (Diodes Incorporated)

The FCX717TA is an active product from the same manufacturer as the 2DB1697-13. This substitute maintains identical voltage rating (12 V) and package configuration (SOT-89-3). The FCX717TA provides enhanced current handling capability (3 A versus 2 A) and increased power dissipation (2 W versus 900 mW), making it suitable for applications requiring higher current margins. The transition frequency is slightly lower (110 MHz versus 140 MHz). This part is recommended for designs where increased current capacity and power handling are beneficial within the same thermal and package constraints.

2SB1697T100 (Rohm Semiconductor)

The 2SB1697T100 is an active product offering parametric equivalence to the 2DB1697-13 in terms of voltage rating, current rating, and DC current gain. This part is packaged in MPT3 (a variant within the TO-243AA family) and demonstrates superior transition frequency performance (360 MHz versus 140 MHz). The maximum power dissipation is lower (500 mW versus 900 mW). This substitute is appropriate for applications where higher frequency performance is required and power dissipation requirements are within the 500 mW specification.

PBSS301PX,115 (Nexperia USA Inc.)

The PBSS301PX,115 is an active product with automotive-grade qualification (AEC-Q100) and carries the highest current rating among the substitutes (5.3 A). This part maintains the 12 V voltage rating and TO-243AA package family (SOT-89 variant). The transition frequency matches the original specification (140 MHz). The PBSS301PX,115 is designated for applications requiring automotive-grade reliability and higher current capacity. The lower DC current gain at higher collector currents (200 @ 2A, 2V) should be evaluated against circuit design requirements.

All substitute parts maintain RoHS3 compliance, MSL rating of 1 (Unlimited), and operating temperature range compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can the FCX717TA directly replace the 2DB1697-13 in existing designs?

A: The FCX717TA is mechanically and electrically compatible with the 2DB1697-13 within the specified design envelope. Both parts share identical voltage rating (12 V), package configuration (SOT-89-3), and operating temperature range (-55°C to 150°C). The FCX717TA provides higher current capacity (3 A) and power dissipation (2 W), which are backward-compatible enhancements. Circuit performance should be verified for applications sensitive to the lower transition frequency (110 MHz versus 140 MHz).

Q: What are the package compatibility considerations for these substitutes?

A: All substitute parts are housed in the TO-243AA package family with surface mount configuration. The 2DB1697-13 and FCX717TA use SOT-89-3 packaging, the 2SB1697T100 uses MPT3 packaging, and the PBSS301PX,115 uses SOT-89 packaging. These variants are mechanically compatible with standard SOT-89 footprints. PCB layout and thermal management should be evaluated for applications where the increased power dissipation of the FCX717TA or PBSS301PX,115 is utilized.

Q: Is the 2SB1697T100 suitable for high-frequency applications?

A: The 2SB1697T100 demonstrates the highest transition frequency among the substitutes at 360 MHz, compared to 140 MHz for the 2DB1697-13. This enhanced frequency performance makes the 2SB1697T100 suitable for applications requiring higher switching speeds or operating at elevated frequencies. However, the maximum power dissipation is limited to 500 mW, which is lower than the original specification. Applications must ensure power dissipation requirements do not exceed this limit.

Q: When should the PBSS301PX,115 be selected over other substitutes?

A: The PBSS301PX,115 is the appropriate choice for automotive applications requiring AEC-Q100 qualification. This part provides the highest current rating (5.3 A) and maintains the transition frequency specification (140 MHz) of the original part. The automotive-grade qualification and higher current capacity make this substitute suitable for automotive switching and amplification circuits where reliability standards and current margins are critical design factors.

Q: Are there compliance or regulatory differences between the substitute parts?

A: All substitute parts maintain RoHS3 compliance and MSL rating of 1 (Unlimited), matching the original 2DB1697-13 specification. The PBSS301PX,115 carries additional automotive-grade qualification (AEC-Q100), which is a superset of standard industrial compliance. All parts are REACH Unaffected and carry EAR99 ECCN classification. Selection should be based on application requirements rather than compliance differences, as all parts meet or exceed the regulatory requirements of the original component.

Q: What is the significance of the DC current gain (hFE) differences shown in the parameter comparison?

A: DC current gain specifications are provided at different test conditions across the substitute parts. The 2DB1697-13 specifies hFE of 270 @ 200mA, 2V. The FCX717TA specifies 300 @ 100mA, 2V (higher gain at lower current), the 2SB1697T100 specifies 270 @ 200mA, 2V (identical to original), and the PBSS301PX,115 specifies 200 @ 2A, 2V (lower gain at higher current). Circuit designs relying on specific gain characteristics should verify that the substitute part's gain specification at the intended operating point meets design requirements.

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