DZT853-13 Equivalent & Substitute Parts

Part Overview

The DZT853-13 is an NPN bipolar junction transistor manufactured by Diodes Incorporated, designed for general-purpose switching and amplification applications. This device features a 100 V collector-emitter breakdown voltage, 6 A maximum collector current, and 1 W power dissipation in a surface mount SOT-223-3 package. The DZT853-13 is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. Substitute parts must maintain electrical compatibility across critical parameters including voltage rating, current capacity, and thermal characteristics while accommodating packaging and availability constraints.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	100	V
Current - Collector (Ic) (Max)	6	A
Power - Max	1	W
Frequency - Transition	130	MHz
Operating Temperature Range	-55 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	SOT-223-3	—
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 2A, 2V	—
Vce Saturation (Max) @ Ib, Ic	340mV @ 500mA, 5A	—

Substitute Part Grouping Explanation

Substitution eligibility for the DZT853-13 is determined by the following critical parameters:

Primary Compatibility Criteria:

Transistor Type: NPN configuration required
Voltage - Collector Emitter Breakdown: Minimum 100 V (equal or greater)
Current - Collector (Ic) (Max): Minimum 6 A (equal or greater)
Package / Case: SOT-223-3 or equivalent surface mount package
Operating Temperature Range: -55°C to 150°C (minimum requirement)
Mounting Type: Surface Mount

Secondary Compatibility Criteria:

Frequency - Transition: 130 MHz or greater
DC Current Gain (hFE): 100 or greater at specified conditions
Vce Saturation: Performance at rated current and voltage conditions

Substitute parts are grouped into two categories:

Category 1: Direct Diodes Incorporated Equivalents — Parts FZT853TA, ZX5T853GTA, and ZXTN2011GTA maintain identical voltage and current ratings with enhanced power dissipation (3 W versus 1 W) and active product status. These parts are pin-compatible and functionally superior.

Category 2: Cross-Manufacturer Alternatives — Parts NSS60601MZ4T1G, NSS60601MZ4T3G (onsemi), PBSS306NZ,135, and PBSS8110Z,135 (Nexperia) provide substitution with parameter deviations. NSS60601 series operates at reduced voltage (60 V) and power (800 mW). PBSS306NZ,135 maintains 100 V rating with slightly reduced current (5.1 A). PBSS8110Z,135 is limited to 1 A current and is not suitable for 6 A applications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max) [A]	Vce Breakdown (Max) [V]	Power (Max) [W]	Frequency [MHz]	Packaging	hFE (Min) @ Ic, Vce
DZT853-13	Diodes Inc.	Obsolete	6	100	1	130	Cut Tape	100 @ 2A, 2V
FZT853TA	Diodes Inc.	Active	6	100	3	130	Cut Tape	100 @ 2A, 2V
ZX5T853GTA	Diodes Inc.	Active	6	100	3	130	Tape & Reel	100 @ 2A, 2V
ZXTN2011GTA	Diodes Inc.	Active	6	100	3	130	Tape & Reel	100 @ 2A, 2V
NSS60601MZ4T1G	onsemi	Active	6	60	0.8	100	Cut Tape & Digi-Reel	120 @ 1A, 2V
NSS60601MZ4T3G	onsemi	Active	6	60	0.8	100	Tape & Reel	120 @ 1A, 2V
PBSS306NZ,135	Nexperia	Active	5.1	100	2	110	Tape & Reel	100 @ 2A, 2V
PBSS8110Z,135	Nexperia	Active	1	100	1.4	100	Cut Tape & Digi-Reel	150 @ 250mA, 10V

Engineering Selection Recommendations

Tier 1 - Direct Replacement (Recommended for 6 A Applications):

FZT853TA, ZX5T853GTA, and ZXTN2011GTA are the preferred substitutes for DZT853-13. All three parts are manufactured by Diodes Incorporated with active product status, ensuring long-term availability and supply chain stability. These devices maintain identical electrical specifications (100 V, 6 A, 130 MHz) with superior power dissipation (3 W versus 1 W), providing enhanced thermal margin. Pin compatibility with SOT-223-3 packaging ensures direct board-level substitution without design modification. FZT853TA is available in Cut Tape packaging; ZX5T853GTA and ZXTN2011GTA are supplied in Tape & Reel format for automated assembly.

Tier 2 - Conditional Substitution (Reduced Voltage Applications):

NSS60601MZ4T1G and NSS60601MZ4T3G (onsemi) are suitable only for applications where the collector-emitter voltage requirement does not exceed 60 V. These parts maintain 6 A current capacity and active product status but operate at reduced voltage rating and power dissipation (800 mW). Transition frequency is reduced to 100 MHz. These parts are applicable to low-voltage switching circuits where the 100 V rating of DZT853-13 is not required.

Tier 3 - Limited Substitution (Specific Current Requirements):

PBSS306NZ,135 (Nexperia) maintains the 100 V voltage rating and active product status with AEC-Q100 automotive qualification. However, maximum collector current is limited to 5.1 A, making this part unsuitable for applications requiring the full 6 A capacity of DZT853-13. This part is applicable only to designs with current requirements below 5.1 A.

Not Recommended:

PBSS8110Z,135 is not suitable as a substitute for DZT853-13 due to maximum collector current limitation of 1 A, which is insufficient for 6 A applications.

All recommended substitutes maintain RoHS3 compliance, unlimited moisture sensitivity level (MSL 1), and operating temperature range of -55°C to 150°C.

Frequently Asked Questions (FAQ)

Q: Can FZT853TA be used as a direct replacement for DZT853-13 without circuit modification?

A: Yes. FZT853TA is a direct pin-compatible substitute with identical electrical ratings (100 V, 6 A, 130 MHz) and SOT-223-3 packaging. The enhanced power rating (3 W versus 1 W) provides additional thermal margin without requiring design changes.

Q: What is the primary difference between ZX5T853GTA and FZT853TA?

A: Both parts are electrically equivalent with identical voltage, current, and frequency specifications. The primary difference is packaging format: FZT853TA is supplied in Cut Tape, while ZX5T853GTA is supplied in Tape & Reel for automated assembly. Selection depends on production volume and assembly equipment compatibility.

Q: Why is NSS60601MZ4T1G listed as a substitute if it has a lower voltage rating?

A: NSS60601MZ4T1G is listed as a manufacturer-recommended alternative for applications where the 100 V rating is not required. The 60 V rating is sufficient for many low-voltage switching applications. This part maintains 6 A current capacity and active product status. Substitution is conditional on circuit voltage requirements not exceeding 60 V.

Q: Is PBSS306NZ,135 suitable for all DZT853-13 applications?

A: PBSS306NZ,135 is not universally suitable. While it maintains the 100 V voltage rating and active product status with automotive qualification, the maximum collector current is limited to 5.1 A. This part is applicable only to designs with current requirements below 5.1 A. Applications requiring the full 6 A capacity must use Tier 1 substitutes.

Q: What does "active product status" mean for component selection?

A: Active product status indicates that the manufacturer continues production and supports the component through its standard lifecycle. Obsolete components like DZT853-13 have ended production and may have limited availability. Active substitutes ensure long-term supply chain reliability and manufacturer technical support.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this document are RoHS3 compliant and maintain unlimited moisture sensitivity level (MSL 1), matching the environmental compliance profile of DZT853-13.

Q: What is the significance of transition frequency (fT) in transistor substitution?

A: Transition frequency indicates the maximum frequency at which the transistor maintains useful gain. DZT853-13 operates at 130 MHz. Substitutes with equal or higher transition frequency (FZT853TA, ZX5T853GTA, ZXTN2011GTA at 130 MHz) are directly compatible. Substitutes with lower transition frequency (NSS60601 series at 100 MHz, PBSS306NZ,135 at 110 MHz) may have reduced performance in high-frequency applications.

Q: Can packaging format affect circuit performance?

A: Packaging format (Cut Tape versus Tape & Reel) does not affect electrical performance. Selection is based on production requirements: Cut Tape is suitable for manual assembly and low-volume production; Tape & Reel is required for automated pick-and-place assembly. All SOT-223-3 packages are electrically and mechanically equivalent.

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