2SA1962RTU Equivalent & Substitute Parts

Part Overview

The 2SA1962RTU is a PNP bipolar junction transistor manufactured by onsemi, rated for 250 V collector-emitter breakdown voltage and 17 A maximum collector current. This device is packaged in TO-3P configuration and is designed for through-hole mounting applications requiring 130 W power dissipation capability. The 2SA1962RTU holds obsolete product status, making identification of equivalent and substitute parts essential for ongoing design support and component procurement.

Key Parameters

Parameter	Value
Transistor Type	PNP
Voltage - Collector Emitter Breakdown (Max)	250 V
Current - Collector (Ic) (Max)	17 A
Power - Max	130 W
Frequency - Transition	30 MHz
Package / Case	TO-3P-3, SC-65-3
Mounting Type	Through Hole
Operating Temperature Range	-55°C ~ 150°C (TJ)

Substitute Part Grouping Explanation

Substitution of the 2SA1962RTU is determined by alignment across the following critical parameters: transistor type (PNP), collector-emitter breakdown voltage (250 V), maximum collector current rating, power dissipation capability, transition frequency (30 MHz), package configuration (TO-3P family), and through-hole mounting compatibility.

The substitute parts identified fall into two categories based on parametric alignment:

Parametric Equivalent: FJA4213RTU matches the 2SA1962RTU across all primary electrical specifications, including 17 A collector current, 130 W power rating, and identical saturation characteristics.

Similar Alternatives: NJW0302G and NJW1302G provide functional substitution with reduced collector current ratings (15 A) and modified power dissipation (150 W and 200 W respectively), but maintain the 250 V breakdown voltage, 30 MHz transition frequency, and TO-3P package family compatibility. These alternatives feature improved saturation voltage performance and higher DC current gain specifications.

Parameter Comparison

Parameter	2SA1962RTU	FJA4213RTU	NJW0302G	NJW1302G
Transistor Type	PNP	PNP	PNP	PNP
Voltage - Collector Emitter Breakdown (Max)	250 V	250 V	250 V	250 V
Current - Collector (Ic) (Max)	17 A	17 A	15 A	15 A
Power - Max	130 W	130 W	150 W	200 W
Frequency - Transition	30 MHz	30 MHz	30 MHz	30 MHz
Vce Saturation (Max) @ Ib, Ic	3V @ 800mA, 8A	3V @ 800mA, 8A	1V @ 500mA, 5A	600mV @ 800mA, 8A
DC Current Gain (hFE) (Min) @ Ic, Vce	55 @ 1A, 5V	55 @ 1A, 5V	75 @ 3A, 5V	75 @ 3A, 5V
Current - Collector Cutoff (Max)	5µA (ICBO)	5µA (ICBO)	10µA (ICBO)	50µA (ICBO)
Operating Temperature Range	-55°C ~ 150°C (TJ)	150°C (TJ)	-65°C ~ 150°C (TJ)	-65°C ~ 150°C (TJ)
Package / Case	TO-3P-3, SC-65-3	TO-3P-3, SC-65-3	TO-3P-3, SC-65-3	TO-3P-3, SC-65-3
Product Status	Obsolete	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

FJA4213RTU provides direct parametric equivalence to the 2SA1962RTU with identical electrical specifications across collector current, power dissipation, and saturation characteristics. Both devices share obsolete product status. Selection of FJA4213RTU is appropriate for applications requiring exact electrical performance matching and where component availability from existing inventory is confirmed.

NJW0302G is classified as an active product with manufacturer recommended status. This part maintains 250 V breakdown voltage and 30 MHz transition frequency compatibility while reducing maximum collector current to 15 A. The NJW0302G demonstrates superior saturation voltage performance (1V @ 500mA, 5A) and extended operating temperature range (-65°C ~ 150°C). This device is suitable for applications where collector current requirements do not exceed 15 A and where active product status and long-term availability are prioritized.

NJW1302G is an active product offering the highest power dissipation capability (200 W) among substitute options. This part reduces collector current rating to 15 A while providing improved saturation characteristics (600mV @ 800mA, 8A) and extended temperature range (-65°C ~ 150°C). Selection of NJW1302G is appropriate for designs requiring maximum thermal headroom and where collector current specifications permit 15 A operation.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and TO-3P package family compatibility with through-hole mounting configuration.

Frequently Asked Questions (FAQ)

Q: Can FJA4213RTU directly replace 2SA1962RTU in existing designs?

A: Yes. FJA4213RTU provides parametric equivalence across all primary electrical specifications including 17 A collector current, 250 V breakdown voltage, 130 W power dissipation, and identical saturation voltage characteristics. Both devices use TO-3P package configuration and through-hole mounting. Pin configuration and mechanical dimensions are compatible.

Q: What are the limitations when substituting NJW0302G or NJW1302G for 2SA1962RTU?

A: NJW0302G and NJW1302G reduce maximum collector current from 17 A to 15 A. Applications requiring collector current above 15 A cannot use these substitutes. Both alternatives provide improved saturation voltage performance and extended operating temperature range (-65°C minimum versus -55°C for 2SA1962RTU). NJW0302G operates at 150 W maximum power; NJW1302G at 200 W maximum power.

Q: Are all substitute parts available in active product status?

A: NJW0302G and NJW1302G are active products with current manufacturing support. FJA4213RTU shares obsolete status with the 2SA1962RTU. For long-term design support and component availability, NJW0302G or NJW1302G are preferred selections.

Q: Do package dimensions differ between 2SA1962RTU and substitute parts?

A: All parts use TO-3P-3 or SC-65-3 package designations with through-hole mounting configuration. Mechanical compatibility is maintained across all substitute options.

Q: What is the significance of saturation voltage differences between parts?

A: Saturation voltage affects power dissipation and switching characteristics. NJW0302G exhibits lower saturation voltage (1V @ 500mA, 5A) compared to 2SA1962RTU (3V @ 800mA, 8A), resulting in reduced power loss during saturation. NJW1302G provides intermediate saturation performance (600mV @ 800mA, 8A). Selection depends on application requirements for switching speed and thermal management.

Q: Are all parts RoHS and REACH compliant?

A: Yes. All listed parts including 2SA1962RTU, FJA4213RTU, NJW0302G, and NJW1302G are ROHS3 compliant and REACH unaffected.

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