ES1BLHRTG Equivalent & Substitute Parts

Part Overview

The ES1BLHRTG is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 100 V DC reverse voltage and 1 A average rectified current in a Sub SMA surface mount package. This component is classified as Active product status and carries automotive-grade qualification under AEC-Q101 standard.

Substitute parts become necessary when the primary part number reaches end-of-life status, inventory constraints occur, or when design flexibility is required across manufacturing batches. The ES1BL and ES1BLH variants provide parametric equivalence while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 1 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5 µA @ 100 V	µA
Capacitance @ Vr, F	10 pF @ 4V, 1MHz	pF
Operating Temperature - Junction	-55 to 150	°C
Package / Case	DO-219AB	—
Mounting Type	Surface Mount	—
Technology	Standard	—
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the ES1BLHRTG is determined by strict parametric matching across the following critical criteria:

Electrical Parameters (Must Match Exactly):

Voltage - DC Reverse (Vr) (Max): 100 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 950 mV @ 1 A
Reverse Recovery Time (trr): 35 ns
Current - Reverse Leakage @ Vr: 5 µA @ 100 V
Capacitance @ Vr, F: 10 pF @ 4V, 1MHz
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Parameters (Must Match Exactly):

Package / Case: DO-219AB
Mounting Type: Surface Mount
Supplier Device Package: Sub SMA

Compliance & Qualification (Must Match Exactly):

Grade: Automotive
Qualification: AEC-Q101
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

The ES1BL and ES1BLH part numbers satisfy all electrical and mechanical equivalence criteria. However, product status differences exist and must be evaluated for design intent.

Parameter Comparison

Parameter	ES1BLHRTG (Main)	ES1BL (Substitute)	ES1BLH (Substitute)
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V
Current - Average Rectified (Io)	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 1 A	950 mV @ 1 A	950 mV @ 1 A
Reverse Recovery Time (trr)	35 ns	35 ns	35 ns
Current - Reverse Leakage @ Vr	5 µA @ 100 V	5 µA @ 100 V	5 µA @ 100 V
Capacitance @ Vr, F	10 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Package / Case	DO-219AB	DO-219AB	DO-219AB
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	Sub SMA	Sub SMA	Sub SMA
Technology	Standard	Standard	Standard
Grade	Automotive	—	Automotive
Qualification	AEC-Q101	—	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Not For New Designs	Not For New Designs

Engineering Selection Recommendations

ES1BLHRTG (Primary Selection): The ES1BLHRTG is the recommended selection for new designs. This part carries Active product status, indicating full manufacturer support and continued availability. It maintains automotive-grade qualification under AEC-Q101 and ROHS3 compliance, making it suitable for automotive and industrial applications requiring long-term supply assurance.

ES1BLH (Secondary Selection): The ES1BLH provides complete parametric and mechanical equivalence to the ES1BLHRTG, including automotive-grade qualification and AEC-Q101 certification. However, this part is designated as Not For New Designs, indicating limited future availability. The ES1BLH is suitable for replacement, repair, and legacy system applications where the part number is already established in production documentation.

ES1BL (Tertiary Selection): The ES1BL achieves full electrical and mechanical equivalence but lacks automotive-grade designation and AEC-Q101 qualification. This part is designated as Not For New Designs. The ES1BL is suitable only for non-automotive applications or legacy systems where automotive qualification is not a design requirement.

Frequently Asked Questions (FAQ)

Q: Can ES1BL be used as a direct replacement for ES1BLHRTG in automotive applications?

A: No. The ES1BL does not carry automotive-grade qualification or AEC-Q101 certification. Automotive applications require the ES1BLHRTG or ES1BLH to meet design and regulatory requirements.

Q: What is the difference between ES1BLH and ES1BLHRTG?

A: Both parts are electrically and mechanically identical with matching electrical parameters, package specifications, and automotive qualifications. The primary difference is product status: ES1BLHRTG is Active, while ES1BLH is Not For New Designs. For new designs, ES1BLHRTG is the appropriate selection.

Q: Are all three parts available in the same packaging format?

A: All three parts use the DO-219AB package in Sub SMA configuration for surface mount assembly. Packaging format differences exist only in supply format: ES1BLHRTG is supplied in standard packaging, while ES1BL and ES1BLH are supplied in Tape & Reel (TR) format.

Q: Can ES1BL and ES1BLH be used interchangeably with ES1BLHRTG for circuit performance?

A: From a circuit performance perspective, ES1BL and ES1BLH are electrically identical to ES1BLHRTG. However, design intent and application requirements determine substitution eligibility. Automotive applications must use ES1BLHRTG or ES1BLH. Non-automotive applications may use ES1BL if automotive qualification is not required.

Q: What compliance certifications apply to each part?

A: ES1BLHRTG and ES1BLH both carry ROHS3 compliance, AEC-Q101 qualification, and automotive-grade designation. ES1BL carries ROHS3 compliance but lacks automotive-grade designation and AEC-Q101 qualification.

Q: Is moisture sensitivity a factor in part selection?

A: All three parts carry Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating no moisture sensitivity constraints. Storage and handling requirements are identical across all three part numbers.

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