CDSV-20-G Equivalent & Substitute Parts

Part Overview

The CDSV-20-G is a general-purpose rectifier diode manufactured by Comchip Technology, rated for 150V DC reverse voltage and 200mA average rectified current in a surface mount SOD-323 package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io)	200	mA
Voltage - Forward (Vf) (Max) @ If	1.25 @ 200 mA	V
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	100 @ 150 V	nA
Capacitance @ Vr, F	5 @ 0V, 1MHz	pF
Package / Case	SC-76, SOD-323	—
Operating Temperature - Junction	-65 to 150	°C
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitute parts for the CDSV-20-G are qualified based on strict electrical and mechanical parameter matching:

Qualifying Criteria:

Voltage - DC Reverse (Vr) (Max): 150 V
Current - Average Rectified (Io): 200 mA
Voltage - Forward (Vf) (Max) @ If: 1.25 V @ 200 mA
Reverse Recovery Time (trr): 50 ns
Current - Reverse Leakage @ Vr: 100 nA @ 150 V
Package / Case: SC-76, SOD-323
Operating Temperature - Junction: -65°C to 150°C
Mounting Type: Surface Mount
Technology: Standard
RoHS Status: ROHS3 Compliant

Both identified substitute parts meet all critical electrical parameters and package requirements. Variations in capacitance and packaging format (Cut Tape vs. Tape & Reel) do not affect functional equivalence for general-purpose rectification applications.

Parameter Comparison

Parameter	CDSV-20-G (Comchip)	BAV20WS-7-F (Diodes Inc.)	BAV20WS-TP (Micro Commercial)
Voltage - DC Reverse (Vr) (Max)	150 V	150 V	150 V
Current - Average Rectified (Io)	200 mA	200 mA	200 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA	1.25 V @ 200 mA	1.25 V @ 200 mA
Reverse Recovery Time (trr)	50 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 150 V	100 nA @ 150 V	100 nA @ 150 V
Capacitance @ Vr, F	5 pF @ 0V, 1MHz	5 pF @ 0V, 1MHz	1.5 pF @ 0V, 1MHz
Package / Case	SC-76, SOD-323	SC-76, SOD-323	SC-76, SOD-323
Operating Temperature - Junction	-65°C to 150°C	-65°C to 150°C	-65°C to 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)

Engineering Selection Recommendations

CDSV-20-G (Comchip Technology): Primary selection for Tape & Reel packaging requirement. Active product status with 1027 units in stock. Full RoHS3 compliance and REACH unaffected status confirmed.

BAV20WS-7-F (Diodes Incorporated): Parametric equivalent with identical electrical specifications. Available in Cut Tape and Digi-Reel® formats. Highest inventory availability (205,300 units). Suitable for applications requiring alternative packaging or extended supply assurance. Active product status with full compliance certifications.

BAV20WS-TP (Micro Commercial Co): Parametric equivalent with identical electrical specifications except capacitance (1.5 pF vs. 5 pF at 0V, 1MHz). Available in Tape & Reel format matching primary part packaging. Active product status with 1677 units in stock. Lower capacitance characteristic may provide marginal benefit in high-frequency switching applications but does not affect general-purpose rectification performance.

All three parts are Active, RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS code 8541.10.0070.

Frequently Asked Questions (FAQ)

Q: Can BAV20WS-7-F replace CDSV-20-G in production assembly?

A: Yes. BAV20WS-7-F meets all electrical parameters and operates within the same temperature range. The primary difference is packaging format (Cut Tape & Digi-Reel® vs. Tape & Reel). Verify that your assembly equipment supports the alternative packaging format before implementation.

Q: What is the significance of the capacitance difference between BAV20WS-TP (1.5 pF) and the other parts (5 pF)?

A: The capacitance difference is within the range of acceptable variation for general-purpose rectifier diodes. Both values are measured at 0V and 1MHz. For standard rectification circuits, this variation does not affect functional performance. Applications with specific high-frequency switching requirements should evaluate circuit behavior independently.

Q: Are all three parts suitable for the same PCB footprint?

A: Yes. All three parts use the SC-76, SOD-323 package with identical mechanical dimensions and pin configuration. Surface mount assembly equipment compatibility depends on your specific feeder and placement system capabilities, particularly regarding tape width and reel format.

Q: Which substitute part offers the best supply continuity?

A: BAV20WS-7-F from Diodes Incorporated has the highest inventory level (205,300 units), providing extended supply assurance. BAV20WS-TP from Micro Commercial Co offers Tape & Reel packaging matching the primary part format with 1677 units available.

Q: Do all parts meet the same compliance requirements?

A: Yes. CDSV-20-G, BAV20WS-7-F, and BAV20WS-TP are all RoHS3 compliant, REACH unaffected, and classified as EAR99 with identical HTSUS code 8541.10.0070. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts.

Q: Can these parts be used interchangeably in existing designs without circuit modification?

A: Yes. All three parts are parametric equivalents with matching electrical specifications for voltage, current, forward voltage drop, reverse recovery time, and reverse leakage current. No circuit modifications are required for functional equivalence in general-purpose rectification applications.

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