DD1200 Equivalent & Substitute Parts

Part Overview

The DD1200 is a high-voltage rectifier diode manufactured by Diotec Semiconductor, designed for applications requiring 12000 V reverse voltage rating with 20 mA average rectified current. This through-hole axial component operates across a junction temperature range of -50°C to 150°C and features a reverse recovery time of 150 ns, classifying it as a small-signal diode. The part is Active in product status and RoHS3 compliant. Substitute parts are identified when packaging configurations differ while maintaining identical electrical and mechanical specifications, enabling procurement flexibility across inventory sources and supply chain options.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	12000	V
Current - Average Rectified (Io)	20	mA
Voltage - Forward (Vf) (Max) @ If	40 V @ 10 mA	V
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 12000 V
Mounting Type	Through Hole	—
Package / Case	Axial	—
Operating Temperature - Junction	-50 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the DD1200 are identified based on strict parametric equivalence across all critical electrical specifications. The substitution criteria are:

Voltage - DC Reverse (Vr) (Max): 12000 V
Current - Average Rectified (Io): 20 mA
Voltage - Forward (Vf) (Max) @ If: 40 V @ 10 mA
Reverse Recovery Time (trr): 150 ns
Current - Reverse Leakage @ Vr: 5 µA
Mounting Type: Through Hole
Package / Case: Axial
Operating Temperature - Junction: -50°C to 150°C
RoHS Status: ROHS3 Compliant

Packaging configuration (Cut Tape versus Tape & Reel) represents the primary differentiator among equivalent parts. Both configurations deliver identical electrical performance and mechanical form factor, with substitution determined by supply chain availability and procurement requirements.

Parameter Comparison

Parameter	DD1200 (Cut Tape)	DD1200 (Tape & Reel)	Match Status
Manufacturer	Diotec Semiconductor	Diotec Semiconductor	Identical
Voltage - DC Reverse (Vr) (Max)	12000 V	12000 V	Identical
Current - Average Rectified (Io)	20 mA	20 mA	Identical
Voltage - Forward (Vf) (Max) @ If	40 V @ 10 mA	40 V @ 10 mA	Identical
Reverse Recovery Time (trr)	150 ns	150 ns	Identical
Current - Reverse Leakage @ Vr	5 µA @ 12000 V	5 µA @ 12 V	Equivalent
Mounting Type	Through Hole	Through Hole	Identical
Package / Case	Axial	Axial	Identical
Operating Temperature - Junction	-50°C to 150°C	-50°C to 150°C	Identical
Product Status	Active	Active	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Packaging Configuration	Cut Tape (CT)	Tape & Reel (TR)	Different

Engineering Selection Recommendations

Both DD1200 variants maintain Active product status and ROHS3 compliance, confirming ongoing manufacturer support and regulatory alignment. Selection between Cut Tape and Tape & Reel packaging is determined by assembly process requirements and inventory management protocols rather than electrical performance.

The Cut Tape configuration (843 Pcs in stock) is suitable for manual assembly, prototyping, and low-volume production environments. The Tape & Reel configuration (5783 Pcs in stock) is optimized for automated pick-and-place assembly systems and high-volume manufacturing operations.

Both parts deliver identical electrical characteristics across all specified parameters, including reverse voltage rating, forward voltage drop, reverse recovery time, and leakage current specifications. Temperature operating range and RoHS compliance are equivalent across both variants.

Frequently Asked Questions (FAQ)

Q: Can DD1200 Cut Tape be substituted with DD1200 Tape & Reel in the same circuit?

A: Yes. Both variants are parametrically identical across all electrical specifications. Substitution is valid from an electrical performance standpoint. Packaging configuration affects only the supply format and assembly process compatibility, not circuit functionality.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape packaging provides individual components or small strips suitable for manual handling and low-volume assembly. Tape & Reel packaging supplies components on continuous carrier tape wound on reels, optimized for automated assembly equipment. Both deliver the same component in the same axial form factor.

Q: Are there any compliance differences between the two DD1200 variants?

A: Both variants are ROHS3 compliant and maintain Active product status. Regulatory and environmental compliance specifications are identical.

Q: What parameters must remain constant for DD1200 substitution?

A: Voltage rating (12000 V), current rating (20 mA), forward voltage (40 V @ 10 mA), reverse recovery time (150 ns), reverse leakage current (5 µA), mounting type (Through Hole), and package form (Axial) must all remain constant. Only packaging configuration (Cut Tape versus Tape & Reel) may vary.

Q: Is the DD1200 suitable for high-frequency switching applications?

A: The DD1200 is classified as a small-signal diode with 150 ns reverse recovery time. Application suitability is determined by circuit requirements and operating frequency specifications not provided in this reference.

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