SS14-7001HE3_A/I Equivalent & Substitute Parts

Part Overview

The SS14-7001HE3_A/I is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 40V reverse voltage and 1A average rectified current in a DO-214AC (SMA) surface mount package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for direct circuit substitution.

Key Parameters

Parameter	Value
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 40 V
Package / Case	DO-214AC, SMA
Mounting Type	Surface Mount
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SS14-7001HE3_A/I is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 40 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 500 mV @ 1 A
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount
Operating Temperature - Junction: -65°C ~ 150°C

Substitute parts are grouped into two categories:

Direct Manufacturer Equivalents (Vishay): Parts with identical specifications and automotive-grade qualification (AEC-Q101), differing only in packaging format (tape & reel versus cut tape) or internal manufacturing revision codes.

Cross-Manufacturer Parametric Equivalents: Parts from alternative manufacturers (Diodes Incorporated, Central Semiconductor Corp) that meet all mandatory electrical and mechanical parameters while maintaining RoHS3 compliance and MSL 1 rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Speed	Ir @ Vr	Package	Temp Range	Grade	Product Status
SS14-7001HE3_A/I	Vishay	40 V	1 A	500 mV @ 1 A	≤ 500ns	200 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Automotive	Discontinued
SS14-7001HE3_B/I	Vishay	40 V	1 A	500 mV @ 1 A	≤ 500ns	200 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Automotive	Active
SS14-M3/5AT	Vishay	40 V	1 A	500 mV @ 1 A	≤ 500ns	200 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Standard	Active
SS14-M3/61T	Vishay	40 V	1 A	500 mV @ 1 A	≤ 500ns	200 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Standard	Active
SS14HM3_B/H	Vishay	40 V	1 A	500 mV @ 1 A	≤ 500ns	200 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Automotive	Active
SS14HM3_B/I	Vishay	40 V	1 A	500 mV @ 1 A	≤ 500ns	200 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Automotive	Active
B140-13-F	Diodes Incorporated	40 V	1 A	500 mV @ 1 A	≤ 500ns	500 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Standard	Active
B140Q-13-F	Diodes Incorporated	40 V	1 A	500 mV @ 1 A	≤ 500ns	500 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Automotive	Active
CMSH1-40 TR13 PBFREE	Central Semiconductor Corp	40 V	1 A	500 mV @ 1 A	≤ 500ns	500 µA @ 40 V	DO-214AC	-65°C ~ 150°C	Standard	Active

Engineering Selection Recommendations

Primary Recommendation - Direct Vishay Replacement: SS14-7001HE3_B/I is the direct successor to the discontinued SS14-7001HE3_A/I. Both parts carry identical electrical specifications, automotive-grade qualification (AEC-Q101), and operating temperature range. This part is currently active and maintains full compatibility with existing circuit designs.

Secondary Recommendation - Vishay Tape & Reel Variants: SS14HM3_B/H and SS14HM3_B/I are Vishay automotive-grade alternatives available in tape & reel packaging. These parts maintain all critical electrical parameters and AEC-Q101 qualification, differing only in packaging format. Selection depends on procurement requirements (tape & reel versus cut tape).

Tertiary Recommendation - High-Volume Alternatives: SS14-M3/5AT and SS14-M3/61T are Vishay standard-grade parts with identical electrical specifications and significantly higher inventory availability (31,312 and 15,566 units respectively). These parts are suitable for applications where automotive qualification is not required.

Cross-Manufacturer Alternatives: B140Q-13-F (Diodes Incorporated) provides automotive-grade equivalence with AEC-Q101 qualification. B140-13-F (Diodes Incorporated) and CMSH1-40 TR13 PBFREE (Central Semiconductor Corp) are standard-grade alternatives with active product status and high inventory availability. All three cross-manufacturer options meet the mandatory electrical and mechanical parameters.

Frequently Asked Questions (FAQ)

Q: Can SS14-7001HE3_B/I be used as a direct replacement for SS14-7001HE3_A/I?

A: Yes. Both parts are manufactured by Vishay with identical electrical specifications (40V, 1A, 500mV forward voltage), automotive-grade qualification (AEC-Q101), and operating temperature range (-65°C to 150°C). The difference is internal manufacturing revision code only.

Q: What is the difference between Vishay automotive-grade and standard-grade SS14 variants?

A: Automotive-grade parts (SS14-7001HE3_B/I, SS14HM3_B/H, SS14HM3_B/I) carry AEC-Q101 qualification and are subject to additional manufacturing and testing requirements. Standard-grade parts (SS14-M3/5AT, SS14-M3/61T) meet identical electrical specifications but lack automotive qualification. Selection depends on application requirements.

Q: Are cross-manufacturer parts (Diodes Incorporated, Central Semiconductor) fully compatible?

A: Yes, for applications requiring only the specified electrical and mechanical parameters. B140Q-13-F provides automotive-grade equivalence with AEC-Q101 qualification. B140-13-F and CMSH1-40 TR13 PBFREE are standard-grade equivalents. All three maintain the 40V/1A rating, 500mV forward voltage, and DO-214AC package.

Q: What is the significance of reverse leakage current differences?

A: The original part specifies 200 µA @ 40V reverse leakage. Cross-manufacturer alternatives (B140-13-F, B140Q-13-F, CMSH1-40 TR13 PBFREE) specify 500 µA @ 40V. This higher leakage is within acceptable limits for most applications but should be verified for circuits with stringent leakage requirements.

Q: Does packaging format (tape & reel versus cut tape) affect electrical performance?

A: No. Packaging format affects only procurement and handling. Tape & reel variants (SS14-M3/5AT, SS14-M3/61T, SS14HM3_B/H, SS14HM3_B/I, CMSH1-40 TR13 PBFREE) and cut tape variants (SS14-7001HE3_B/I, B140-13-F, B140Q-13-F) are electrically identical when specifications match.

Q: Is RoHS3 compliance maintained across all substitute parts?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental compliance status.

Q: Which substitute part offers the highest inventory availability?

A: SS14-M3/5AT (Vishay) offers 31,312 units in stock, followed by SS14-M3/61T with 15,566 units. For cross-manufacturer options, B140-13-F (Diodes Incorporated) provides 636,455 units in stock.

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