Equivalent & Substitute Parts Reference for LSIC2SD170B50

Part Overview

The Littelfuse Inc. LSIC2SD170B50 is a high-voltage SiC Schottky diode used in diodes, rectifiers applications, offering 1700 V reverse voltage and 135 A average rectified current in a TO-247-2 through-hole package. The product status is Active with compliance to ROHS3 and REACH standards. Engineering substitution is required to accommodate supply chain constraints, alternate sourcing, or design compatibility while meeting strict electrical and mechanical parameters.

Key Parameters

Parameter	Description
Manufacturer	Littelfuse Inc.
Category	Diodes, Rectifiers
Technology	SiC (Silicon Carbide) Schottky
Voltage - DC Reverse (Vr) (Max)	1700 V
Current - Average Rectified (Io)	135 A
Voltage - Forward (Vf) (Max) @ If	1.8 V @ 50 A
Reverse Recovery Time (trr)	0 ns
Current - Reverse Leakage @ Vr	100 µA @ 1700 V
Capacitance @ Vr, F	3900pF @ 1V, 1MHz
Mounting Type	Through Hole
Package / Case	TO-247-2
Operating Temperature - Junction	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution is based strictly on alignment of key parameters that determine direct interchangeability within the diodes, rectifiers category. These parameters include technology type (SiC Schottky), maximum DC reverse voltage, average rectified current, forward voltage, reverse recovery time, reverse leakage current, capacitance, mounting type, package/case, operating temperature range, RoHS status, REACH status, and product availability. Only parts matching these criteria and retaining compliant certifications are included as substitutes.

Parameter Comparison

Parameter	LSIC2SD170B50	MSC050SDA170B
Manufacturer	Littelfuse Inc.	Microchip Technology
Category	Diodes, Rectifiers	Diodes, Rectifiers
Technology	SiC Schottky	SiC Schottky
Voltage - DC Reverse (Vr) (Max)	1700 V	1700 V
Current - Average Rectified (Io)	135 A	136 A
Voltage - Forward (Vf) (Max) @ If	1.8 V @ 50 A	1.8 V @ 50 A
Reverse Recovery Time (trr)	0 ns	0 ns
Current - Reverse Leakage @ Vr	100 µA @ 1700 V	200 µA @ 1700 V
Capacitance @ Vr, F	3900pF @ 1V, 1MHz	4450pF @ 1V, 1MHz
Mounting Type	Through Hole	Through Hole
Package / Case	TO-247-2	TO-247-3
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

Both LSIC2SD170B50 and MSC050SDA170B are active status components and comply with ROHS3 and REACH requirements, with Moisture Sensitivity Level 1 (Unlimited). Engineering selection must be strictly based on provided electrical, mechanical, and compliance data with no deviation from stated parameters.

Frequently Asked Questions (FAQ)

Q1: What are the essential criteria for selecting a substitute for LSIC2SD170B50?
A1: Substitution requires matching technology (SiC Schottky), voltage ratings, current ratings, forward voltage, reverse recovery time, mounting type, package, temperature range, and compliance status.

Q2: Are package differences significant for interchangeability?
A2: LSIC2SD170B50 uses TO-247-2, while MSC050SDA170B uses TO-247-3. Selection must account for mechanical mounting compatibility.

Q3: How does the current rating affect part selection?
A3: The average rectified current is closely matched (135 A vs 136 A), ensuring electrical compatibility.

Q4: Do both diodes meet compliance requirements?
A4: Both parts are ROHS3 compliant and REACH unaffected with MSL 1, suitable for direct replacement within specified parameters.

Q5: Is electrical performance impact expected due to capacitance or leakage current differences?
A5: Only the values provided are considered; variations should be evaluated according to the stated specification limits in the comparison table.

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