BA158G A0G Equivalent & Substitute Parts

Part Overview

The BA158G A0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 1 A average rectified current in a DO-204AL (DO-41) through-hole package. This component is classified as a fast recovery diode with a reverse recovery time of 150 ns, suitable for applications requiring rapid switching characteristics. The part is currently in active product status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design flexibility permits selection from multiple qualified manufacturers offering compatible electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	600	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) Maximum @ If	1.2	V @ 1 A
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Capacitance @ Vr, F	15	pF @ 4V, 1MHz
Package / Case	DO-204AL, DO-41, Axial	—
Mounting Type	Through Hole	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the BA158G A0G is determined by strict equivalence across the following critical parameters:

Mandatory Matching Criteria:

Voltage - DC Reverse (Vr) Maximum: 600 V
Current - Average Rectified (Io): 1 A
Package / Case: DO-204AL or DO-41 (axial through-hole)
Mounting Type: Through Hole
Operating Temperature Range: Minimum -55°C junction temperature
RoHS3 Compliance: Required
Moisture Sensitivity Level: MSL 1 (Unlimited)

Allowable Parameter Variations:

Voltage - Forward (Vf) Maximum: Substitute parts may have Vf ≤ 1.2 V @ 1 A
Reverse Recovery Time (trr): Substitute parts may have trr ≤ 150 ns (faster recovery acceptable) or trr up to 2 µs (standard recovery acceptable for general-purpose applications)
Current - Reverse Leakage: Substitute parts must maintain ≤ 5 µA @ 600 V
Capacitance: Substitute parts may vary between 8 pF and 15 pF @ 4V, 1MHz
Operating Temperature - Junction: Substitute parts may extend upper limit beyond 150°C

Substitute parts are classified as Direct Equivalents (identical electrical and mechanical specifications) or Similar Parts (compatible within allowable parameter ranges). All listed substitutes maintain full compatibility with the BA158G A0G in standard rectification applications.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ 1A (V)	trr (ns)	Ir @ 600V (µA)	C @ 4V (pF)	Package	Temp Range (°C)	Product Status
BA158G A0G	Taiwan Semiconductor Corporation	600	1	1.2	150	5	15	DO-204AL (DO-41)	-55 to 150	Active
1N4005-E3/54	Vishay General Semiconductor	600	1	1.1	>500	5	15	DO-204AL (DO-41)	-55 to 150	Active
1N4005-E3/73	Vishay General Semiconductor	600	1	1.1	>500	5	15	DO-204AL (DO-41)	-55 to 150	Active
1N4005-G	Comchip Technology	600	1	1.1	>500	5	15	DO-204AL (DO-41)	-55 to 150	Active
1N4005E-E3/54	Vishay General Semiconductor	600	1	1.1	>500	5	15	DO-204AL (DO-41)	-55 to 150	Active
1N4005-T	Diodes Incorporated	600	1	1.0	>500	5	8	DO-204AL (DO-41)	-65 to 150	Last Time Buy
1N4005G	Good-Ark Semiconductor	600	1	1.1	>500	5	8	DO-204AL (DO-41)	-55 to 150	Active
1N4005GP-E3/54	Vishay General Semiconductor	600	1	1.1	>500	5	8	DO-204AL (DO-41)	-65 to 175	Active
1N4005GP-E3/73	Vishay General Semiconductor	600	1	1.1	>500	5	8	DO-204AL (DO-41)	-65 to 175	Active
1N4005GPE-E3/53	Vishay General Semiconductor	600	1	1.1	>500	5	8	DO-204AL (DO-41)	-65 to 175	Active
1N4005GPE-E3/54	Vishay General Semiconductor	600	1	1.1	>500	5	8	DO-204AL (DO-41)	-65 to 175	Active

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Compatibility):

The following parts are recommended as primary substitutes due to active product status and full electrical and mechanical compatibility:

1N4005-E3/54 (Vishay): Direct equivalent with standard recovery characteristics. Inventory: 6,744 units. Suitable for applications where fast recovery is not critical.
1N4005-E3/73 (Vishay): Identical to 1N4005-E3/54 with higher inventory availability (80,421 units). Preferred for high-volume procurement.
1N4005-G (Comchip Technology): Compatible alternative with standard recovery. Inventory: 677 units. Suitable when Vishay parts are unavailable.
1N4005E-E3/54 (Vishay): Direct equivalent with standard recovery. Inventory: 21,925 units. Recommended for mid-volume applications.
1N4005G (Good-Ark Semiconductor): Compatible with standard recovery characteristics. Inventory: 5,100 units. Acceptable alternative source.
1N4005GP-E3/54, 1N4005GP-E3/73, 1N4005GPE-E3/53, 1N4005GPE-E3/54 (Vishay SUPERECTIFIER® series): Extended temperature range (-65°C to 175°C) provides enhanced thermal performance. Recommended for applications requiring wider operating temperature margins. All maintain active product status.

Secondary Substitute (Last Time Buy Status):

1N4005-T (Diodes Incorporated): Functionally compatible but classified as Last Time Buy. Use only when primary substitutes are unavailable, as this part will reach end-of-life. Inventory: 11,192 units.

Compliance Verification:

All listed substitutes maintain RoHS3 compliance, MSL 1 (Unlimited) moisture sensitivity level, and REACH Unaffected status, matching the BA158G A0G regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the BA158G A0G be directly replaced with any 1N4005 variant?

A: Yes, all 1N4005 variants listed in this reference maintain the same 600 V reverse voltage rating, 1 A average rectified current, and DO-204AL (DO-41) through-hole package. Electrical performance differences are limited to forward voltage drop (1.0 to 1.2 V range), reverse recovery time (150 ns to >500 ns), and operating temperature range. These variations are within acceptable tolerances for general-purpose rectification applications.

Q: What is the difference between fast recovery (BA158G A0G at 150 ns) and standard recovery (1N4005 variants at >500 ns)?

A: Reverse recovery time (trr) determines how quickly a diode transitions from conducting to blocking state. The BA158G A0G with 150 ns recovery is classified as fast recovery, while 1N4005 variants with >500 ns recovery are standard recovery diodes. Fast recovery is beneficial in high-frequency switching applications. For low-frequency rectification (50/60 Hz power supplies), standard recovery diodes are functionally equivalent and often preferred due to lower cost.

Q: Are the Vishay SUPERECTIFIER® variants (1N4005GP series) interchangeable with standard 1N4005 parts?

A: Yes, the SUPERECTIFIER® variants are electrically and mechanically interchangeable. The primary advantage is extended operating temperature range (-65°C to 175°C versus -55°C to 150°C for standard variants). This makes SUPERECTIFIER® parts suitable for applications with elevated ambient temperatures or thermal stress. Forward voltage and reverse leakage characteristics remain identical.

Q: What packaging differences exist among the listed substitutes?

A: All substitutes use DO-204AL (DO-41) axial through-hole packages, ensuring mechanical compatibility with the BA158G A0G. Packaging variations are limited to supplier tape formats (Cut Tape, Tape & Box). These differences affect handling and assembly processes but do not impact electrical performance or board-level compatibility.

Q: Why is the 1N4005-T listed as Last Time Buy?

A: Last Time Buy status indicates that the manufacturer (Diodes Incorporated) has announced end-of-life for this part. While currently available in inventory (11,192 units), future availability is not guaranteed. For new designs or long-term production, selection of active-status alternatives (1N4005-E3/73, 1N4005GP-E3/54, or equivalent) is recommended to ensure supply continuity.

Q: Can the BA158G A0G be used in applications requiring extended temperature operation?

A: The BA158G A0G operates from -55°C to 150°C junction temperature. For applications requiring operation beyond 150°C, the Vishay SUPERECTIFIER® variants (1N4005GP-E3/54, 1N4005GP-E3/73, 1N4005GPE-E3/53, 1N4005GPE-E3/54) extend the upper limit to 175°C. These parts are direct substitutes with identical electrical specifications and enhanced thermal capability.

Q: Are all listed substitutes RoHS3 compliant?

A: Yes, all substitute parts listed in this reference maintain RoHS3 compliance and REACH Unaffected status, matching the regulatory requirements of the BA158G A0G. Moisture sensitivity level is MSL 1 (Unlimited) for all parts, indicating no special handling requirements during storage or assembly.

Q: What inventory considerations should guide part selection?

A: The 1N4005-E3/73 (Vishay) offers the highest inventory availability at 80,421 units, making it the preferred choice for high-volume procurement and rapid delivery. The 1N4005-E3/54 and 1N4005E-E3/54 provide substantial inventory (6,744 and 21,925 units respectively) for mid-volume applications. Comchip Technology (1N4005-G) and Good-Ark Semiconductor (1N4005G) offer lower inventory levels but serve as alternative sources when primary suppliers are constrained.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message