MAX2602ESA-T Equivalent & Substitute Parts Reference

Part Overview

The MAX2602ESA-T is an RF transistor NPN manufactured by Analog Devices Inc./Maxim Integrated, designed for RF applications operating at 1GHz with a maximum power dissipation of 6.4W. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production continuity. The part operates at 15V collector-emitter breakdown voltage with a maximum collector current of 1.2A and is housed in an 8-SOIC surface mount package with exposed pad.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	-
Voltage - Collector Emitter Breakdown (Max)	15V	V
Frequency - Transition	1GHz	GHz
Noise Figure (Typ @ f)	3.3dB @ 836MHz	dB
Gain	11.6dB	dB
Power - Max	6.4W	W
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 250mA, 3V	-
Current - Collector (Ic) (Max)	1.2A	A
Operating Temperature (TJ)	150°C	°C
Mounting Type	Surface Mount	-
Package / Case	8-SOIC (0.154", 3.90mm Width) Exposed Pad	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the MAX2602ESA-T is determined by the following critical parameters:

Primary Substitution Criteria:

Transistor Type: NPN configuration
Voltage Rating: Collector-Emitter breakdown voltage must meet or exceed 15V
Frequency Performance: Transition frequency at or above 1GHz
Power Dissipation: Maximum power rating of 6.4W or greater
Current Capability: Collector current (Ic) of 1.2A or higher
Gain Characteristics: Minimum gain of 11.6dB
Noise Figure: Performance at or below 3.3dB @ 836MHz
DC Current Gain (hFE): Minimum 100 @ specified conditions
Package Compatibility: Surface mount configuration with thermal management capability

Substitution Categories:

Category 1: Direct Equivalent (Identical Electrical and Mechanical Specifications)

MAX2602ESA+T: Active product status, identical electrical parameters, packaging difference limited to Tape & Reel format

Category 2: Functional Equivalents (Meets or Exceeds All Critical Parameters)

NSVF6003SB6T1G: Exceeds voltage (12V), frequency (7GHz), and power (800mW) specifications; automotive qualified
PH1090-350L: Significantly exceeds voltage (80V), current (17A), and power (350W) for high-power applications

Category 3: Partial Equivalents (Meets Primary Electrical Parameters with Trade-offs)

MMBT5179: Meets voltage (12V) and frequency (2GHz) with reduced power (225mW) and current (50mA)
MMBTH10LT3G: Exceeds voltage (25V) and frequency (650MHz) with reduced power (225mW)
NSVF4009SG4T1G: Automotive qualified, reduced voltage (3.5V) and power (120mW), higher frequency (25GHz)
BFP720ESDH6327XTSA1: Significantly reduced voltage (4.7V) and power (100mW), higher frequency (43GHz)

Parameter Comparison

Part Number	Manufacturer	Transistor Type	Vce Breakdown (Max)	Frequency - Transition	Power - Max	Ic (Max)	Gain	Noise Figure	Package	Product Status
MAX2602ESA-T	Analog Devices/Maxim	NPN	15V	1GHz	6.4W	1.2A	11.6dB	3.3dB @ 836MHz	8-SOIC-EP	Obsolete
MAX2602ESA+T	Analog Devices/Maxim	NPN	15V	1GHz	6.4W	1.2A	11.6dB	3.3dB @ 836MHz	8-SOIC-EP	Active
MMBT5179	onsemi	NPN	12V	2GHz	225mW	50mA	15dB	5dB @ 200MHz	SOT-23-3	Active
MMBTH10LT3G	onsemi	NPN	25V	650MHz	225mW	-	-	-	SOT-23-3	Active
NSVF4009SG4T1G	onsemi	NPN	3.5V	25GHz	120mW	40mA	17dB	1.1dB @ 2GHz	SC-82FL/MCPH4	Active
NSVF6003SB6T1G	onsemi	NPN	12V	7GHz	800mW	150mA	9dB	3dB @ 1GHz	6-CPH	Active
PH1090-350L	MACOM	NPN	80V	-	350W	17A	8.32dB	-	Chassis Mount	Active
BFP720ESDH6327XTSA1	Infineon	NPN	4.7V	43GHz	100mW	30mA	11dB ~ 30.5dB	0.55dB ~ 1.55dB @ 150MHz ~ 10GHz	PG-SOT343-4-2	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

MAX2602ESA+T is the recommended direct substitute for MAX2602ESA-T. Both components are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications. The primary difference is product status: MAX2602ESA+T is active, whereas MAX2602ESA-T is obsolete. Both are ROHS3 compliant with MSL 1 rating and Tape & Reel packaging availability. This substitution requires no circuit redesign or validation.

For Active Product Continuity (Functional Equivalents):

NSVF6003SB6T1G provides functional equivalence with enhanced specifications. It exceeds the voltage (12V vs. 15V requirement), frequency (7GHz vs. 1GHz), and power (800mW vs. 6.4W) parameters. This device is automotive qualified (AEC-Q101) and active in production. Package change from 8-SOIC-EP to 6-CPH requires PCB layout modification.

For High-Power Applications:

PH1090-350L is suitable for applications requiring significantly higher power dissipation (350W) and current handling (17A). This chassis-mount device operates at 80V and is active in production. This substitution is appropriate only for applications with substantially different power requirements than the original MAX2602ESA-T specification.

For Reduced-Power Applications:

MMBT5179 and MMBTH10LT3G are suitable for lower-power RF applications. Both are active, ROHS3 compliant, and housed in SOT-23-3 packages. MMBT5179 provides 2GHz frequency capability with 225mW power. MMBTH10LT3G provides 25V voltage rating with 650MHz frequency and 225mW power. These substitutions require circuit redesign and validation due to reduced power and current specifications.

For Automotive Applications:

NSVF4009SG4T1G and NSVF6003SB6T1G are automotive-qualified alternatives (AEC-Q101). Both are active in production and ROHS3 compliant. Selection depends on frequency and power requirements specific to the automotive application.

Frequently Asked Questions (FAQ)

Q1: Can MAX2602ESA+T be used as a direct replacement for MAX2602ESA-T without circuit modification?

A: Yes. MAX2602ESA+T is electrically and mechanically identical to MAX2602ESA-T. Both share the same 15V Vce breakdown, 1GHz transition frequency, 6.4W power rating, 1.2A collector current, and 8-SOIC-EP package. The only difference is product status (active vs. obsolete) and packaging format (Tape & Reel). No circuit redesign is required.

Q2: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: (1) Transistor type (NPN), (2) Collector-Emitter breakdown voltage (minimum 15V), (3) Transition frequency (minimum 1GHz), (4) Maximum power dissipation (minimum 6.4W), (5) Maximum collector current (minimum 1.2A), (6) DC current gain hFE (minimum 100), (7) Noise figure performance (3.3dB @ 836MHz or better), and (8) Surface mount package compatibility. Deviations from these parameters require application-specific validation.

Q3: Why is NSVF6003SB6T1G listed as a functional equivalent despite different package?

A: NSVF6003SB6T1G meets or exceeds all critical electrical parameters: 12V Vce (vs. 15V), 7GHz frequency (vs. 1GHz), 800mW power (vs. 6.4W), and 150mA collector current (vs. 1.2A). The 6-CPH package differs from 8-SOIC-EP, requiring PCB layout modification. However, the electrical performance is superior, making it functionally equivalent for RF applications. Automotive qualification (AEC-Q101) adds design assurance for qualified applications.

Q4: Can MMBT5179 or MMBTH10LT3G replace MAX2602ESA-T in all applications?

A: No. Both MMBT5179 and MMBTH10LT3G have significantly reduced power ratings (225mW vs. 6.4W) and collector current capabilities (50mA and unspecified vs. 1.2A). These devices are suitable only for lower-power RF applications. Applications requiring the full 6.4W power dissipation or 1.2A collector current cannot use these substitutes without circuit redesign and thermal management validation.

Q5: What is the significance of the package difference between 8-SOIC-EP and SOT-23-3?

A: The 8-SOIC-EP package provides an exposed pad for enhanced thermal management, supporting the 6.4W power dissipation. SOT-23-3 packages used in MMBT5179 and MMBTH10LT3G have limited thermal capability, suitable only for lower-power applications (225mW). Package selection directly impacts thermal performance and power handling capability. Substitution between these packages requires thermal analysis and PCB design modification.

Q6: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (MAX2602ESA+T, MMBT5179, MMBTH10LT3G, NSVF4009SG4T1G, NSVF6003SB6T1G, PH1090-350L, and BFP720ESDH6327XTSA1) are ROHS3 compliant with MSL 1 rating. This ensures compatibility with modern manufacturing processes and environmental regulations.

Q7: Which substitute is recommended for automotive applications?

A: NSVF4009SG4T1G and NSVF6003SB6T1G are automotive-qualified alternatives with AEC-Q101 certification. NSVF6003SB6T1G is preferred for higher-power automotive RF applications due to its 800mW power rating and 7GHz frequency capability. NSVF4009SG4T1G is suitable for lower-power automotive RF applications with 25GHz frequency capability.

Q8: What is the inventory status of substitute parts?

A: MAX2602ESA+T has 2963 pcs in stock. MMBT5179 has 2400 pcs. MMBTH10LT3G has 1095 pcs. NSVF4009SG4T1G has 847 pcs. NSVF6003SB6T1G has 3406 pcs. PH1090-350L has 945 pcs. BFP720ESDH6327XTSA1 has 4220 pcs. All parts are listed as new original stock. Inventory availability should be verified with suppliers for production quantities.

Q9: Can BFP720ESDH6327XTSA1 replace MAX2602ESA-T?

A: No. BFP720ESDH6327XTSA1 has significantly reduced voltage (4.7V vs. 15V) and power (100mW vs. 6.4W) ratings. While it offers superior frequency performance (43GHz vs. 1GHz), it is unsuitable for applications requiring 15V operation or 6.4W power dissipation. This device is intended for ultra-high-frequency, low-power applications only.

Q10: What compliance certifications apply to these parts?

A: All listed parts are ROHS3 compliant and have MSL 1 (Unlimited) moisture sensitivity rating. NSVF4009SG4T1G and NSVF6003SB6T1G carry AEC-Q101 automotive qualification. All parts are classified as ECCN EAR99 for export control purposes. REACH status is unaffected for all parts listed.

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