BAS 70-06 B5003 Equivalent & Substitute Parts

Part Overview

The BAS 70-06 B5003 is a Schottky diode array manufactured by Infineon Technologies, configured as 1 pair common anode with 70 V reverse voltage rating and 70 mA average rectified current per diode. The device is housed in a SOT-23-3 surface mount package (TO-236-3, SC-59).

The BAS 70-06 B5003 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and field replacements. Active alternatives provide identical or compatible electrical and mechanical specifications while offering improved supply chain accessibility.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Anode	—
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	70	V
Current - Average Rectified (Io) (per Diode)	70	mA (DC)
Voltage - Forward (Vf) (Max) @ If	1	V @ 15 mA
Speed Classification	Small Signal ≤ 200mA (Io), Any Speed	—
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Operating Temperature - Junction (Max)	150	°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BAS 70-06 B5003 is determined by the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): 70 V
Current - Average Rectified (Io) (per Diode): 70 mA (DC)
Voltage - Forward (Vf) (Max) @ If: 1 V @ 15 mA
Diode Configuration: 1 Pair Common Anode
Technology: Schottky

Mechanical Compatibility Requirements:

Mounting Type: Surface Mount
Package / Case: TO-236-3, SC-59, SOT-23-3 (primary package) or SC-70, SOT-323 (alternative package with same electrical specifications)

Environmental & Compliance Requirements:

Moisture Sensitivity Level (MSL): 1 (Unlimited)
RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

Substitute parts are grouped into two categories:

Category 1: Parametric Equivalents (SOT-23-3 Package) Parts with identical electrical specifications and primary package format. These parts are direct functional replacements with no design modifications required.

Category 2: Direct Manufacturer Alternatives (SOT-23-3 Package) Parts from alternative manufacturers with identical electrical specifications and package format, offering equivalent performance and pin compatibility.

Category 3: Manufacturer Recommended Alternatives (SOT-323 Package) Parts with identical electrical specifications but alternative package format (SC-70, SOT-323). These require PCB layout modification but maintain electrical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io (per Diode) [mA]	Vf (Max) @ If [V @ mA]	Diode Config	Package / Case	Product Status	Packaging Type
BAS 70-06 B5003	Infineon Technologies	70	70	1 @ 15	1 Pair Common Anode	TO-236-3, SC-59, SOT-23-3	Obsolete	—
BAS7006E6327HTSA1	Infineon Technologies	70	70	1 @ 15	1 Pair Common Anode	TO-236-3, SC-59, SOT-23-3	Active	Cut Tape (CT)
BAS7006E6433HTMA1	Infineon Technologies	70	70	1 @ 15	1 Pair Common Anode	TO-236-3, SC-59, SOT-23-3	Active	Tape & Reel (TR)
BAS70-06,215	Nexperia USA Inc.	70	70	1 @ 15	1 Pair Common Anode	TO-236-3, SC-59, SOT-23-3	Active	Cut Tape (CT) & Digi-Reel®
BAS70-06-7-F	Diodes Incorporated	70	70	1 @ 15	1 Pair Common Anode	TO-236-3, SC-59, SOT-23-3	Active	Tape & Reel (TR)
BAR18FILM	STMicroelectronics	70	70	0.41 @ 1	Single Diode	TO-236-3, SC-59, SOT-23-3	Active	Cut Tape (CT) & Digi-Reel®
BAS70-06-TP	Micro Commercial Co	70	70	1 @ 15	1 Pair Common Anode	TO-236-3, SC-59, SOT-23-3	Active	Tape & Reel (TR)
BAS70-06FILM	STMicroelectronics	70	70	1 @ 15	1 Pair Common Anode	TO-236-3, SC-59, SOT-23-3	Active	Cut Tape (CT) & Digi-Reel®
BAS70-06W,115	Nexperia USA Inc.	70	70	1 @ 15	1 Pair Common Anode	SC-70, SOT-323	Active	Tape & Reel (TR)
BAS70LT1G	onsemi	70	70	1 @ 15	Single Diode	TO-236-3, SC-59, SOT-23-3	Active	Tape & Reel (TR)
BAS70W-7-F	Diodes Incorporated	70	70	1 @ 15	Single Diode	SC-70, SOT-323	Active	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Substitutes (Identical Package, Active Status):

For direct replacement without PCB modification, select from parts with SOT-23-3 package and active product status:

BAS7006E6327HTSA1 (Infineon Technologies): Parametric equivalent from original manufacturer. Available in Cut Tape packaging. Recommended for applications requiring original manufacturer continuity.
BAS7006E6433HTMA1 (Infineon Technologies): Parametric equivalent from original manufacturer. Available in Tape & Reel packaging. Suitable for high-volume production environments.
BAS70-06,215 (Nexperia USA Inc.): Direct manufacturer alternative with highest inventory availability (180,300 pcs). Maintains identical electrical specifications and SOT-23-3 package format.
BAS70-06-7-F (Diodes Incorporated): Direct manufacturer alternative with active status and high inventory (71,200 pcs). Suitable for applications requiring alternative sourcing.
BAS70-06-TP (Micro Commercial Co): Manufacturer recommended alternative with active status. Available in Tape & Reel format.
BAS70-06FILM (STMicroelectronics): Manufacturer recommended alternative with active status and substantial inventory (23,100 pcs).

Alternative Package Substitutes (SOT-323, Active Status):

For applications where package footprint modification is acceptable:

BAS70-06W,115 (Nexperia USA Inc.): Maintains identical electrical specifications in SC-70, SOT-323 package. Requires PCB layout redesign. Inventory: 23,540 pcs.
BAS70W-7-F (Diodes Incorporated): Single diode configuration in SC-70, SOT-323 package. Requires circuit redesign for common anode functionality. Inventory: 19,521 pcs.

Compliance Status:

All recommended substitutes are ROHS3 compliant and REACH unaffected. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard handling and storage procedures.

Frequently Asked Questions (FAQ)

Q: Can BAS7006E6327HTSA1 be used as a direct replacement for BAS 70-06 B5003?

A: Yes. BAS7006E6327HTSA1 is a parametric equivalent manufactured by Infineon Technologies with identical electrical specifications (70 V reverse voltage, 70 mA per diode, 1 V forward voltage @ 15 mA) and identical package format (SOT-23-3). No circuit modifications are required. The part is active status, ensuring long-term availability.

Q: What is the difference between BAS70-06,215 and BAS 70-06 B5003?

A: BAS70-06,215 is manufactured by Nexperia USA Inc., while the original part is from Infineon Technologies. Both are Schottky diode arrays with 1 pair common anode configuration, 70 V reverse voltage, and 70 mA current rating in SOT-23-3 package. BAS70-06,215 is active status with significantly higher inventory availability (180,300 pcs). Electrical performance is equivalent.

Q: Can I use BAR18FILM or BAS70LT1G as substitutes?

A: BAR18FILM and BAS70LT1G have different diode configurations. BAR18FILM is a single diode (not a pair common anode array), and BAS70LT1G is also a single diode configuration. These parts are not direct functional replacements for the BAS 70-06 B5003 common anode array configuration. Circuit redesign would be required to accommodate the different pin configuration.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape packaging is supplied as individual strips suitable for manual assembly or small-volume production. Tape & Reel packaging is supplied on continuous reels suitable for automated pick-and-place assembly in high-volume manufacturing. Both packaging types contain identical components. Selection depends on production volume and assembly equipment capability.

Q: Can I substitute BAS70-06W,115 (SOT-323 package) for BAS 70-06 B5003 (SOT-23-3 package)?

A: BAS70-06W,115 maintains identical electrical specifications but uses SC-70, SOT-323 package format instead of SOT-23-3. This requires PCB footprint redesign and component placement modification. The electrical performance is equivalent, but physical layout changes are mandatory. This substitution is suitable only when PCB redesign is feasible.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All recommended substitute parts listed are ROHS3 compliant and REACH unaffected. All parts maintain MSL 1 (Unlimited) moisture sensitivity level, ensuring compatibility with standard component handling and storage procedures.

Q: Which substitute offers the best supply chain availability?

A: BAS70-06,215 (Nexperia USA Inc.) offers the highest inventory availability with 180,300 pcs in stock. This part is recommended for applications requiring immediate availability and long-term supply security.

Q: What is the operating temperature range for substitute parts?

A: Most substitute parts maintain maximum junction temperature of 150°C. BAS70-06-7-F, BAS70-06-TP, and BAS70W-7-F specify operating temperature range of -55°C to 125°C. BAS70LT1G specifies -55°C to 150°C. All parts are suitable for standard industrial temperature environments.

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