SS36 R7G Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS36 R7G is a 60V, 3A Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation in DO-214AB (SMC) surface mount package. This component is classified as discontinued at DiGi Electronics, necessitating identification of equivalent and substitute parts for ongoing design requirements and production needs. The part maintains ROHS3 compliance and unlimited moisture sensitivity rating, making it suitable for industrial and commercial applications requiring fast recovery rectification.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	750 mV @ 3 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	500	µA @ 60 V
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the SS36 R7G is determined by the following critical parameters:

Voltage Rating: All substitute parts must maintain a maximum reverse voltage (Vr) of 60V to ensure equivalent blocking capability.

Current Rating: The primary distinction between substitute groups is the average rectified current (Io). Parts rated at 3A are direct functional equivalents. Parts rated at 5A (B560 series) are higher-current variants suitable for applications with increased current demands while maintaining the same voltage rating.

Package Type: The SS36 R7G uses DO-214AB (SMC) package. Direct package equivalents include B360-13-F and B360Q-13-F (SMC), while B360A-13-F and B360AM-13-F use DO-214AC (SMA) package, and B360B-13-F uses DO-214AA (SMB) package. Package selection depends on PCB layout constraints and mechanical fit requirements.

Forward Voltage: The SS36 R7G specifies 750 mV maximum forward voltage at 3A. Most Diodes Incorporated B360 series parts specify 700 mV at 3A, representing improved performance. Comchip Technology CDBC360 series parts match the 750 mV specification.

Reverse Leakage Current: Standard specifications are 500 µA at 60V. The B360AM-13-F variant specifies 100 µA, indicating lower leakage performance.

Product Status: Active status parts are available for new designs. The SS36 R7G is discontinued, making active-status substitutes necessary for production continuity.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Package	Status	Reverse Leakage @ 60V
SS36 R7G	Taiwan Semiconductor	60V	3A	750 mV @ 3A	DO-214AB (SMC)	Discontinued	500 µA
B360-13-F	Diodes Incorporated	60V	3A	700 mV @ 3A	DO-214AB (SMC)	Active	500 µA
B360A-13-F	Diodes Incorporated	60V	3A	700 mV @ 3A	DO-214AC (SMA)	Active	500 µA
B360B-13-F	Diodes Incorporated	60V	3A	700 mV @ 3A	DO-214AA (SMB)	Active	500 µA
B360AM-13-F	Diodes Incorporated	60V	3A	700 mV @ 3A	DO-214AC (SMA)	Active	100 µA
B360Q-13-F	Diodes Incorporated	60V	3A	700 mV @ 3A	DO-214AB (SMC)	Active	500 µA
B560C-13-F	Diodes Incorporated	60V	5A	700 mV @ 5A	DO-214AB (SMC)	Active	500 µA
B560CQ-13-F	Diodes Incorporated	60V	5A	700 mV @ 5A	DO-214AB (SMC)	Active	500 µA
CDBC360-G	Comchip Technology	60V	3A	700 mV @ 3A	DO-214AB (SMC)	Active	500 µA
CDBC360-HF	Comchip Technology	60V	3A	700 mV @ 3A	DO-214AB (SMC)	Active	500 µA
CDBC560-HF	Comchip Technology	60V	5A	750 mV @ 5A	DO-214AB (SMC)	Active	500 µA

Engineering Selection Recommendations

Direct Package Equivalent (Recommended Primary Substitutes):

B360-13-F and B360Q-13-F maintain identical DO-214AB (SMC) package geometry to the SS36 R7G, enabling direct PCB footprint compatibility without layout modification. Both are manufactured by Diodes Incorporated with active product status and ROHS3 compliance. B360-13-F is available in Cut Tape and Digi-Reel packaging with 50,200 units in stock. B360Q-13-F is supplied in Tape & Reel format with 3,771 units in stock. Both parts specify 700 mV forward voltage at 3A, representing improved performance over the original 750 mV specification.

Automotive-Qualified Alternatives:

B360A-13-F, B360B-13-F, B360AM-13-F, B360Q-13-F, B560C-13-F, and B560CQ-13-F carry AEC-Q101 automotive qualification. These parts are suitable for applications requiring automotive-grade component certification. B360A-13-F and B360AM-13-F use SMA package (DO-214AC), while B360B-13-F uses SMB package (DO-214AA), requiring PCB layout adjustment from the original SMC footprint.

Higher Current Capability:

B560C-13-F and B560CQ-13-F provide 5A average rectified current while maintaining 60V reverse voltage rating and DO-214AB (SMC) package compatibility. These parts are suitable for applications requiring increased current capacity beyond the original 3A specification. B560C-13-F offers 227,807 units in stock with Cut Tape and Digi-Reel packaging. B560CQ-13-F is available in Tape & Reel format with 20,100 units in stock and includes AEC-Q101 qualification.

Comchip Technology Alternatives:

CDBC360-G and CDBC360-HF provide 60V, 3A Schottky rectification in DO-214AB (SMC) package with active product status. CDBC360-G specifies maximum junction temperature of 125°C. CDBC360-HF extends the operating range to -50°C to 150°C and includes 250 pF capacitance specification at 4V, 1MHz. CDBC560-HF provides 5A current rating with 750 mV forward voltage specification matching the original SS36 R7G characteristic.

Compliance and Regulatory Status:

All substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity rating (MSL 1), and REACH unaffected status, matching the regulatory profile of the original SS36 R7G. All parts are classified under ECCN EAR99 and HTSUS 8541.10.0080.

Frequently Asked Questions (FAQ)

Q: Can B360-13-F directly replace SS36 R7G without PCB modification?

A: Yes. B360-13-F maintains identical DO-214AB (SMC) package geometry and pinout, enabling direct footprint substitution. No PCB layout changes are required.

Q: What is the difference between B360-13-F and B360Q-13-F?

A: Both parts are electrically identical 60V, 3A Schottky diodes in DO-214AB (SMC) package. The primary difference is packaging format: B360-13-F is supplied in Cut Tape and Digi-Reel, while B360Q-13-F is supplied in Tape & Reel format. Selection depends on assembly equipment compatibility and inventory requirements.

Q: Why do some substitutes specify 700 mV forward voltage instead of 750 mV?

A: Forward voltage specifications represent maximum ratings at specified current levels. The 700 mV specification for B360 series parts indicates improved performance characteristics compared to the original 750 mV specification. Both values are within acceptable operating parameters for Schottky rectifier applications.

Q: Can B560C-13-F be used in place of SS36 R7G?

A: B560C-13-F is electrically compatible, maintaining 60V reverse voltage and DO-214AB (SMC) package. The 5A current rating exceeds the original 3A specification, making it suitable for applications requiring higher current capacity. No PCB modification is required.

Q: What is the difference between SMA, SMB, and SMC packages?

A: SMA (DO-214AC), SMB (DO-214AA), and SMC (DO-214AB) are surface mount package variants with different physical dimensions and thermal characteristics. SMC is the largest, providing superior thermal dissipation. Package selection depends on PCB layout constraints and thermal requirements. Substitution between package types requires PCB footprint modification.

Q: Are Comchip Technology CDBC360 parts equivalent to Diodes Incorporated B360 parts?

A: CDBC360-G and CDBC360-HF are functionally equivalent to B360-13-F and B360Q-13-F, maintaining 60V, 3A ratings and DO-214AB (SMC) package. CDBC360-HF specifies lower maximum junction temperature (-50°C to 150°C) and includes capacitance specification (250 pF @ 4V, 1MHz). Selection between manufacturers depends on supply chain requirements and inventory availability.

Q: Which substitute part offers the lowest reverse leakage current?

A: B360AM-13-F specifies 100 µA reverse leakage at 60V, compared to 500 µA for standard parts. This lower leakage characteristic is beneficial for applications sensitive to standby current consumption. B360AM-13-F uses DO-214AC (SMA) package, requiring PCB layout modification from the original SMC footprint.

Q: Do all substitute parts meet automotive qualification requirements?

A: No. Only B360A-13-F, B360B-13-F, B360AM-13-F, B360Q-13-F, B560C-13-F, and B560CQ-13-F carry AEC-Q101 automotive qualification. B360-13-F, CDBC360-G, and CDBC360-HF do not include automotive qualification. Selection depends on application requirements and industry standards compliance.

Q: What is the inventory status for each substitute part?

A: B360-13-F offers the highest inventory with 50,200 units in stock. B360A-13-F provides 285,400 units. B360B-13-F has 125,401 units. B560C-13-F offers 227,807 units. Comchip Technology parts have lower inventory: CDBC360-G (32,125 units), CDBC360-HF (1,392 units), and CDBC560-HF (1,559 units). Inventory levels should be verified for production planning and lead time assessment.

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