BSP122,115 N-Channel MOSFET 200V 550mA Equivalent & Substitute Parts

Part Overview

The BSP122,115 is an N-Channel MOSFET manufactured by Nexperia USA Inc., rated for 200V drain-to-source voltage with 550mA continuous drain current in a surface mount SOT-223 package. This device is classified as "Not For New Designs," indicating it has reached end-of-life status. Identification of equivalent and substitute parts is necessary for ongoing maintenance, repair, and legacy system support where the original component is no longer available or procurement is limited.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	200	V
Continuous Drain Current (Id) @ 25°C	550	mA
Rds On (Max) @ Id, Vgs	2.5	Ω @ 750mA, 10V
Vgs(th) (Max) @ Id	2	V @ 1mA
Power Dissipation (Max)	1.5	W (Ta)
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package	SOT-223 (TO-261-4, TO-261AA)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BSP122,115 is determined by the following critical parameters:

Mandatory Compatibility Criteria:

FET Type: N-Channel
Technology: MOSFET (Metal Oxide)
Mounting Type: Surface Mount
Package: SOT-223 (TO-261-4, TO-261AA)
Operating Temperature Range: -55°C to 150°C (TJ)
RoHS3 Compliance
MSL Rating: 1 (Unlimited)

Electrical Performance Parameters:

Drain to Source Voltage (Vdss): 200V minimum
Continuous Drain Current (Id): 550mA minimum
Power Dissipation: 1.5W minimum
Gate-Source Voltage (Vgs): ±20V minimum

The substitute parts identified are grouped based on their ability to meet or exceed these parameters within the same physical package and compliance framework. Substitutes with higher voltage ratings or current capabilities remain functionally compatible in applications designed for the BSP122,115, provided thermal and gate drive requirements are satisfied.

Parameter Comparison

Parameter	BSP122,115 (Nexperia)	ZVNL110GTA (Diodes Inc.)	ZVN2110GTA (Diodes Inc.)	STN1HNK60 (STMicroelectronics)
FET Type	N-Channel	N-Channel	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Vdss (V)	200	100	100	600
Id @ 25°C (mA)	550	600	500	400
Rds On (Max) @ Vgs (Ω)	2.5 @ 750mA, 10V	3 @ 500mA, 10V	4 @ 1A, 10V	8.5 @ 500mA, 10V
Vgs(th) (Max) @ Id (V)	2 @ 1mA	1.5 @ 1mA	2.4 @ 1mA	3.7 @ 250µA
Vgs (Max) (V)	±20	±20	±20	±30
Ciss (Max) @ 25V (pF)	100	75	75	156
Power Dissipation (Max) (W)	1.5 (Ta)	1.1 (Ta)	2 (Ta)	3.3 (Tc)
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	SOT-223	SOT-223-3	SOT-223-3	SOT-223
Product Status	Not For New Designs	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

ZVNL110GTA (Diodes Incorporated)

The ZVNL110GTA is an active product with ROHS3 compliance and MSL 1 rating. This device operates at 100V Vdss, which is below the BSP122,115 specification. Selection of this substitute is limited to applications where the circuit operates at voltages not exceeding 100V. The device provides superior current handling (600mA) and lower on-resistance (3Ω @ 500mA, 10V) compared to the main part. This substitute is suitable for low-voltage switching applications within the 100V constraint.

ZVN2110GTA (Diodes Incorporated)

The ZVN2110GTA is an active product with ROHS3 compliance and MSL 1 rating. This device operates at 100V Vdss, which is below the BSP122,115 specification. The 500mA continuous drain current meets the minimum requirement. On-resistance is 4Ω @ 1A, 10V. This substitute is applicable only to circuits designed for operation at voltages not exceeding 100V.

STN1HNK60 (STMicroelectronics)

The STN1HNK60 is an active product with ROHS3 compliance and MSL 1 rating. This device operates at 600V Vdss, exceeding the BSP122,115 specification by 3x. The 400mA continuous drain current is below the 550mA requirement of the main part. Higher on-resistance (8.5Ω @ 500mA, 10V) and increased input capacitance (156pF) are present. This substitute is suitable for high-voltage applications where the 200V rating of the BSP122,115 is insufficient, provided the 400mA current limit is acceptable for the circuit design.

All three substitutes maintain identical operating temperature range (-55°C to 150°C), package form factor (SOT-223), and regulatory compliance (ROHS3, MSL 1). Selection depends on the specific voltage and current requirements of the target application.

Frequently Asked Questions (FAQ)

Q: Can the ZVNL110GTA or ZVN2110GTA be used as direct replacements for the BSP122,115?

A: These devices are not direct replacements. Both operate at 100V maximum Vdss, while the BSP122,115 is rated for 200V. Use these substitutes only in applications where the circuit voltage does not exceed 100V. Exceeding this voltage rating will result in device failure.

Q: Is the STN1HNK60 a suitable substitute for high-voltage applications?

A: The STN1HNK60 is rated for 600V Vdss, making it suitable for applications requiring voltage ratings above 200V. However, the continuous drain current is 400mA, which is lower than the BSP122,115 specification of 550mA. Verify that the application current requirement does not exceed 400mA before selection.

Q: Are all substitute parts available in the same SOT-223 package?

A: All substitute parts use the SOT-223 package family (TO-261-4, TO-261AA). The ZVNL110GTA and ZVN2110GTA are specified as SOT-223-3, while the STN1HNK60 is specified as SOT-223. These package variants are mechanically and electrically compatible for PCB mounting purposes.

Q: Do all substitute parts meet the same compliance and environmental requirements?

A: Yes. All substitute parts are ROHS3 compliant, carry MSL 1 (Unlimited) moisture sensitivity rating, and operate across the -55°C to 150°C temperature range. All are REACH unaffected and classified as EAR99 for export purposes.

Q: What is the primary difference between the BSP122,115 and its substitutes?

A: The BSP122,115 is rated for 200V Vdss with 550mA continuous drain current. The Diodes Incorporated substitutes (ZVNL110GTA, ZVN2110GTA) are limited to 100V operation. The STMicroelectronics substitute (STN1HNK60) extends to 600V but reduces current capability to 400mA. Selection depends on whether the application requires higher voltage tolerance or higher current capacity.

Q: Why is the BSP122,115 marked as "Not For New Designs"?

A: This status indicates the device has reached end-of-life and is no longer recommended for new product development. Existing inventory remains available for legacy system support and repair. For new designs, selection from the active substitute parts (ZVNL110GTA, ZVN2110GTA, STN1HNK60) is appropriate based on application requirements.

Q: How do I determine which substitute is correct for my application?

A: Identify the maximum voltage and current requirements of your circuit. If voltage does not exceed 100V and current does not exceed 600mA, use ZVNL110GTA. If voltage does not exceed 100V and current does not exceed 500mA, use ZVN2110GTA. If voltage exceeds 200V but does not exceed 600V and current does not exceed 400mA, use STN1HNK60. If voltage is between 100V and 200V and current is between 400mA and 550mA, the BSP122,115 remains the only suitable option among these parts.

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