MJD117-TP Equivalent & Substitute Parts

Part Overview

The MJD117-TP is a Surface Mount PNP Bipolar Junction Transistor manufactured by Micro Commercial Co, rated for 100V collector-emitter breakdown voltage and 2A maximum collector current. This component is designed for general-purpose switching and amplification applications in a DPAK (TO-252-3) package configuration.

The MJD117-TP carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to support ongoing maintenance, repair, and redesign activities for systems currently utilizing this component. Substitute parts must maintain electrical compatibility within the specified parameter ranges while accommodating available inventory and current manufacturing status.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	100	V
Current - Collector (Ic) (Max)	2	A
Power - Max	1.75	W
Frequency - Transition	25	MHz
DC Current Gain (hFE) (Min)	1000	@ 2A, 3V
Operating Temperature (TJ)	150	°C
Package / Case	TO-252-3, DPAK	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the MJD117-TP is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Transistor Type: PNP configuration
Voltage Rating: Collector-Emitter Breakdown voltage ≥ 100V
Current Rating: Collector current capacity ≥ 2A
Package Type: Surface Mount DPAK (TO-252-3) form factor
Operating Temperature: Maximum junction temperature ≥ 150°C
Compliance: ROHS3 compliance required

Secondary Compatibility Factors:

DC Current Gain (hFE): Minimum 1000 at specified operating conditions
Power Dissipation: Rated power ≥ 1.75W
Frequency Response: Transition frequency ≥ 25MHz

Substitute parts are grouped based on whether they meet all primary criteria. Parts that exceed the primary specifications (higher current ratings, higher power dissipation, or higher frequency response) remain functionally compatible for applications designed around the MJD117-TP baseline specifications.

Parameter Comparison

Parameter	MJD117-TP	MJD127-TP	2SA1593T-TL-E	2SB1316TL
Manufacturer	Micro Commercial Co	Micro Commercial Co	onsemi	Rohm Semiconductor
Transistor Type	PNP	PNP	PNP	PNP - Darlington
Voltage - Collector Emitter Breakdown (Max)	100 V	100 V	100 V	100 V
Current - Collector (Ic) (Max)	2 A	8 A	2 A	2 A
Power - Max	1.75 W	1.5 W	1 W	10 W
Frequency - Transition	25 MHz	Not Specified	120 MHz	50 MHz
Operating Temperature (TJ)	150°C	150°C	150°C	150°C
Package / Case	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Obsolete	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

MJD127-TP (Micro Commercial Co)

The MJD127-TP is the primary substitute for the MJD117-TP. Both components are manufactured by Micro Commercial Co and share identical voltage ratings (100V) and package configuration (DPAK). The MJD127-TP carries an Active product status, ensuring continued availability and manufacturing support. While the MJD127-TP specifies an 8A maximum collector current (exceeding the 2A requirement), this higher rating does not compromise compatibility for applications designed within the MJD117-TP specifications. The MJD127-TP is ROHS3 compliant and maintains the same operating temperature range. This part is suitable for direct substitution in new procurement activities.

2SA1593T-TL-E (onsemi)

The 2SA1593T-TL-E is an equivalent substitute matching the MJD117-TP in transistor type (PNP), voltage rating (100V), and current rating (2A). Manufactured by onsemi, this component is also ROHS3 compliant and rated for 150°C maximum junction temperature. The 2SA1593T-TL-E offers superior frequency response (120MHz transition frequency versus 25MHz), making it suitable for higher-speed applications. However, the 2SA1593T-TL-E carries an Obsolete product status, limiting its use to replacement and repair scenarios. The power rating (1W) is lower than the MJD117-TP (1.75W), requiring verification that thermal dissipation requirements do not exceed this specification.

2SB1316TL (Rohm Semiconductor)

The 2SB1316TL is a Darlington-configuration PNP transistor rated for 100V and 2A, providing electrical equivalence to the MJD117-TP. This component is manufactured by Rohm Semiconductor and is ROHS3 compliant. The 2SB1316TL offers significantly higher power dissipation capability (10W) and moderate frequency response (50MHz). The Darlington configuration results in higher DC current gain (1000 @ 1A, 2V) and lower saturation voltage (1.5V @ 1mA, 1A), which may alter circuit behavior in saturation-mode applications. The 2SB1316TL carries a Not For New Designs status, restricting its application to maintenance and repair of existing systems. Inventory availability is substantial (12,800 pieces).

Frequently Asked Questions (FAQ)

Q: Can the MJD127-TP be used as a direct replacement for the MJD117-TP?

A: Yes. The MJD127-TP meets all primary substitution criteria: identical voltage rating (100V), equal or greater current capacity (8A versus 2A), same package type (DPAK), and ROHS3 compliance. The higher current rating does not create incompatibility for circuits designed within the 2A specification. The MJD127-TP's Active product status makes it the preferred choice for new procurement.

Q: What is the difference between the MJD117-TP and the 2SB1316TL?

A: Both are PNP transistors rated for 100V and 2A in DPAK packages. The primary difference is internal configuration: the MJD117-TP is a standard BJT, while the 2SB1316TL is a Darlington pair. The Darlington configuration provides higher current gain and lower saturation voltage but exhibits different switching characteristics. The 2SB1316TL's higher power rating (10W) and lower saturation voltage make it suitable for high-current switching applications, while the standard BJT configuration of the MJD117-TP is appropriate for general-purpose amplification and switching.

Q: Is the 2SA1593T-TL-E suitable for high-frequency applications?

A: The 2SA1593T-TL-E specifies a transition frequency of 120MHz, compared to 25MHz for the MJD117-TP. This higher frequency response makes the 2SA1593T-TL-E suitable for applications requiring faster switching speeds. However, the 2SA1593T-TL-E's lower power rating (1W versus 1.75W) must be considered in thermal design calculations.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The MJD117-TP and all listed substitute parts (MJD127-TP, 2SA1593T-TL-E, and 2SB1316TL) are ROHS3 compliant, meeting environmental and regulatory requirements for electronic component manufacturing.

Q: What is the significance of product status (Obsolete, Active, Not For New Designs)?

A: Product status indicates manufacturing and availability status. Active parts (MJD127-TP) are currently manufactured and recommended for new designs. Obsolete parts (MJD117-TP, 2SA1593T-TL-E) are no longer manufactured but may be available from inventory. Not For New Designs parts (2SB1316TL) are transitioning out of production and should be used only for maintenance and repair of existing systems.

Q: Can substitute parts be used interchangeably in all circuit applications?

A: Substitute parts meeting the primary electrical criteria (voltage, current, package) are functionally compatible for applications designed within the MJD117-TP specifications. However, differences in saturation voltage, frequency response, and power dissipation may affect circuit performance in specific applications. Circuit-level validation is required when substituting parts with significantly different secondary parameters.

Q: What packaging options are available for these substitute parts?

A: All listed parts use the DPAK (TO-252-3) surface mount package. The MJD127-TP is supplied in Tape & Reel packaging, while the 2SA1593T-TL-E is supplied in Cut Tape, and the 2SB1316TL is supplied in Cut Tape & Digi-Reel. These packaging differences do not affect electrical compatibility but may influence procurement and handling procedures.

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