DDZX8V2C-13 Equivalent & Substitute Parts

Part Overview

The DDZX8V2C-13 is an active Zener diode manufactured by Diodes Incorporated, rated at 8.2 V nominal with 300 mW maximum power dissipation in a surface mount SOT-23-3 package. This component is designed for voltage regulation and protection applications requiring precise voltage reference characteristics. The part is ROHS3 compliant and carries unlimited moisture sensitivity level (MSL 1), making it suitable for standard manufacturing environments. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter range.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	8.2	V
Power - Max	300	mW
Impedance (Max)	8	Ohms
Current - Reverse Leakage @ Vr	100 nA @ 6.5 V	nA
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	mV
Operating Temperature Range	-65 to 150	°C
Package / Case	SOT-23-3	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the DDZX8V2C-13 are identified based on strict electrical and mechanical parameter equivalence. The following criteria determine substitution eligibility:

Critical Matching Parameters:

Nominal Zener voltage: 8.2 V
Maximum power dissipation: 300 mW
Package type: SOT-23-3 (TO-236-3, SC-59)
Mounting configuration: Surface Mount
Operating temperature range: -65°C to 150°C
Maximum impedance: 8 Ohms
Reverse leakage current: 100 nA @ 6.5 V
Forward voltage: 900 mV @ 10 mA

The DDZX8V2C-7 meets all critical electrical specifications and mechanical requirements, differing only in tolerance specification (±2.55% versus ±3%), which represents improved precision while maintaining full functional compatibility within the application envelope.

Parameter Comparison

Parameter	DDZX8V2C-13	DDZX8V2C-7	Match Status
Manufacturer	Diodes Incorporated	Diodes Incorporated	Identical
Category	Diodes, Zener	Diodes, Zener	Identical
Voltage - Zener (Nom)	8.2 V	8.2 V	Identical
Tolerance	±3%	±2.55%	Compatible
Power - Max	300 mW	300 mW	Identical
Impedance (Max)	8 Ohms	8 Ohms	Identical
Current - Reverse Leakage @ Vr	100 nA @ 6.5 V	100 nA @ 6.5 V	Identical
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	Identical
Operating Temperature	-65°C ~ 150°C	-65°C ~ 150°C	Identical
Package / Case	SOT-23-3	SOT-23-3	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Both the DDZX8V2C-13 and DDZX8V2C-7 are active products from Diodes Incorporated with identical regulatory compliance status. Both parts carry ROHS3 certification and REACH Unaffected designation, meeting current environmental and hazardous substance requirements. The DDZX8V2C-7 offers tighter tolerance specification (±2.55% versus ±3%), which may provide improved voltage regulation precision in applications requiring stricter reference accuracy. Selection between these parts depends on application tolerance requirements and inventory availability. Both parts are electrically and mechanically interchangeable within the specified parameter envelope.

Frequently Asked Questions (FAQ)

Q: Can the DDZX8V2C-7 be used as a direct replacement for the DDZX8V2C-13?

A: Yes. Both parts share identical nominal Zener voltage (8.2 V), maximum power rating (300 mW), package type (SOT-23-3), and operating temperature range (-65°C to 150°C). The DDZX8V2C-7 features improved tolerance (±2.55% versus ±3%), making it functionally compatible for all applications where the DDZX8V2C-13 is specified.

Q: What is the difference between these two part numbers?

A: The primary difference is the voltage tolerance specification. The DDZX8V2C-13 carries ±3% tolerance, while the DDZX8V2C-7 carries ±2.55% tolerance. All other electrical characteristics, mechanical specifications, and regulatory compliance parameters are identical.

Q: Are both parts available in the same package?

A: Yes. Both the DDZX8V2C-13 and DDZX8V2C-7 are supplied in SOT-23-3 surface mount packages (also designated TO-236-3 or SC-59). They are mechanically identical and require no PCB layout modifications for substitution.

Q: Do these parts have the same temperature operating range?

A: Yes. Both parts operate across the identical temperature range of -65°C to 150°C, ensuring consistent performance across the full specified environmental envelope.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry identical ROHS3 compliance status, REACH Unaffected designation, and unlimited moisture sensitivity level (MSL 1). They meet the same regulatory and environmental standards.

Q: Which part should be selected for new designs?

A: Selection depends on application requirements. The DDZX8V2C-7 with tighter tolerance (±2.55%) is suitable for applications requiring improved voltage reference accuracy. The DDZX8V2C-13 with standard tolerance (±3%) is appropriate for general-purpose voltage regulation applications. Both are active products with full manufacturing support.

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