Equivalent & Substitute Parts Reference: VS-8CWH02FNHM3

Part Overview

VS-8CWH02FNHM3 is a diode array (1 pair common cathode) with a maximum reverse voltage of 200 V and forward current of 4A, designed for automotive applications. It is built using standard technology, features a fast recovery time, and utilizes the TO-252-3 (DPAK, 2 Leads + Tab, SC-63) package for surface mount assembly. The part status is active. Identifying substitute models is necessary to maintain supply continuity, support production requirements, and provide options within the diodes, rectifiers category.

Key Parameters

Parameter	Main Part (VS-8CWH02FNHM3)
Diode Configuration	1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io) (per Diode)	4A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 4A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	27 ns
Current - Reverse Leakage @ Vr	4 µA @ 200 V
Operating Temperature - Junction	-65°C ~ 175°C
Mounting Type	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitutes are selected strictly by matching the following key parameters:

Device category: Diodes, Rectifiers
Technology: Standard
Maximum DC reverse voltage (200 V)
Surface mount type package: TO-252-3, DPAK (2 Leads + Tab), SC-63
Fast recovery performance (≤ 500ns, > 200mA Io)
RoHS3 compliance
Active part status
Moisture Sensitivity Level 1

Parameter Comparison

Parameter	Main Part VS-8CWH02FNHM3	Substitute SDURD820
Category	Diodes, Rectifiers	Diodes, Rectifiers
Technology	Standard	Standard
Voltage - DC Reverse (Vr) (Max)	200 V	200 V
Current - Average Rectified (Io)	4A	8A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 4A	1.2 V @ 8A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	27 ns	35 ns
Current - Reverse Leakage @ Vr	4 µA @ 200 V	5 µA @ 200 V
Operating Temperature - Junction	-65°C ~ 175°C	-55°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Affected
Part Status	Active	Active

Engineering Selection Recommendations

Both VS-8CWH02FNHM3 and SDURD820 are active and compliant with RoHS3 requirements and provide MSL 1 (Unlimited) classification. The substitute part SDURD820 is REACH affected, in contrast to the main part's REACH unaffected designation. All parameters provided indicate suitability within the same package, electrical category, and regulatory compliance for direct substitution.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for substituting VS-8CWH02FNHM3 with SDURD820?
A1: The substitution is based on matching electrical ratings, package type (TO-252-3, DPAK), RoHS3 compliance, MSL classification, surface mount capability, and part status.

Q2: Are the packages for VS-8CWH02FNHM3 and SDURD820 identical?
A2: Both parts are specified for TO-252-3, DPAK (2 Leads + Tab, SC-63) package and surface mount assembly, ensuring mechanical compatibility.

Q3: Does REACH status affect the interchangeability of these diodes?
A3: REACH status differs between parts. VS-8CWH02FNHM3 is REACH unaffected; SDURD820 is REACH affected. The selection must consider application requirements regarding REACH compliance.

Q4: How do the recovery characteristics compare?
A4: Both diodes meet the fast recovery category, and have similar speed specifications. The reverse recovery times provided are 27 ns for the main part and 35 ns for the substitute.

Q5: Can SDURD820 handle a higher forward current than VS-8CWH02FNHM3?
A5: The SDURD820 supports up to 8A average rectified current, compared to 4A for VS-8CWH02FNHM3. Both parts maintain stated performance within their rated current limits.

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