ES1BLHRQG Equivalent & Substitute Parts

Part Overview

The ES1BLHRQG is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 100 V DC reverse voltage and 1 A average rectified current. This component is classified as a fast recovery diode with a reverse recovery time of 35 nanoseconds, packaged in the DO-219AB (Sub SMA) surface mount configuration. The part carries Active product status and meets automotive-grade specifications with AEC-Q101 qualification.

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 locations. The ES1BL and ES1BLH variants maintain identical electrical performance characteristics while offering alternative availability and packaging configurations.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	100	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) Maximum @ If	950 mV @ 1 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Capacitance @ Vr, F	10	pF @ 4V, 1MHz
Package / Case	DO-219AB	Sub SMA
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—

Substitute Part Grouping Explanation

Substitution eligibility for the ES1BLHRQG is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

Voltage - DC Reverse (Vr) Maximum: 100 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) Maximum @ 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
Package / Case: DO-219AB (Sub SMA)
Operating Temperature - Junction: -55°C to 150°C
Technology: Standard
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

The ES1BL and ES1BLH variants satisfy all mandatory electrical and mechanical parameters. Both parts are manufactured by Taiwan Semiconductor Corporation and maintain identical performance specifications. The primary distinction between these substitutes relates to product status classification and packaging configuration (Tape & Reel versus other formats).

Parameter Comparison

Parameter	ES1BLHRQG (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) Maximum	100 V	100 V	100 V
Current - Average Rectified (Io)	1 A	1 A	1 A
Voltage - Forward (Vf) Maximum @ 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
Package / Case	DO-219AB	DO-219AB	DO-219AB
Supplier Device Package	Sub SMA	Sub SMA	Sub SMA
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Technology	Standard	Standard	Standard
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99
HTSUS	8541.10.0080	8541.10.0080	8541.10.0080
Product Status	Active	Not For New Designs	Not For New Designs
Grade	Automotive	—	Automotive
Qualification	AEC-Q101	—	AEC-Q101

Engineering Selection Recommendations

ES1BLHRQG (Primary Selection)

The ES1BLHRQG is the recommended selection for new designs. This part carries Active product status, indicating ongoing manufacturer support and availability. It meets automotive-grade specifications with AEC-Q101 qualification, suitable for applications requiring automotive-level reliability and traceability. The part is available in current inventory (678 pieces).

ES1BLH (Secondary Selection)

The ES1BLH provides full electrical and mechanical equivalence to the ES1BLHRQG. This substitute maintains automotive-grade classification and AEC-Q101 qualification. However, the ES1BLH carries Not For New Designs status, indicating it is reserved for legacy design support and replacement applications. Inventory availability is substantial (37,063 pieces). This part is suitable for sustaining production of existing designs or as a replacement component in field service scenarios.

ES1BL (Tertiary Selection)

The ES1BL delivers identical electrical performance and mechanical compatibility. This substitute does not carry automotive-grade designation or AEC-Q101 qualification. The ES1BL is classified as Not For New Designs and lacks the automotive certifications present in the primary and secondary options. This part is suitable only for non-automotive applications or legacy design continuity where automotive qualification is not required. Inventory availability is high (18,860 pieces).

Compliance and Certification Summary

All three parts maintain ROHS3 compliance, REACH Unaffected status, and identical regulatory classifications (ECCN: EAR99, HTSUS: 8541.10.0080). Moisture sensitivity level is uniform across all variants (MSL 1 - Unlimited).

Frequently Asked Questions (FAQ)

Q: Can ES1BL be used as a direct replacement for ES1BLHRQG in automotive applications?

A: No. The ES1BL lacks automotive-grade designation and AEC-Q101 qualification. Automotive applications require the ES1BLHRQG or ES1BLH, both of which carry automotive-grade classification and AEC-Q101 certification.

Q: What is the difference between ES1BLH and ES1BLHRQG?

A: Both parts are electrically and mechanically identical. The primary difference is product status: ES1BLHRQG is Active (recommended for new designs), while ES1BLH is Not For New Designs (reserved for legacy support). Both carry automotive-grade specifications and AEC-Q101 qualification. The ES1BLH is suitable for sustaining production of existing designs.

Q: Are all three parts packaged identically?

A: Yes. All three parts use the DO-219AB package (Sub SMA) with surface mount mounting type. The packaging configuration is identical across ES1BLHRQG, ES1BL, and ES1BLH.

Q: What is the significance of the "Not For New Designs" status on ES1BL and ES1BLH?

A: This status indicates the manufacturer does not recommend these parts for new design implementations. However, they remain available for sustaining production of existing designs and for field replacement applications. New designs should prioritize the ES1BLHRQG, which carries Active status.

Q: Do all substitute parts meet RoHS and REACH requirements?

A: Yes. All three parts are ROHS3 compliant and REACH Unaffected. Regulatory compliance is uniform across ES1BLHRQG, ES1BL, and ES1BLH.

Q: Can ES1BL be used in place of ES1BLH?

A: Electrically and mechanically, yes. However, ES1BL lacks automotive-grade designation and AEC-Q101 qualification. If the application requires automotive-grade components, ES1BLH is the appropriate substitute. For non-automotive applications, ES1BL provides equivalent performance.

Q: What are the key electrical parameters that define substitutability?

A: Substitutability is determined by equivalence in reverse voltage (100 V), average rectified current (1 A), forward voltage drop (950 mV @ 1 A), reverse recovery time (35 ns), reverse leakage current (5 µA @ 100 V), and junction capacitance (10 pF @ 4V, 1MHz). All three parts match these specifications exactly.

Q: Is there a difference in operating temperature range between the parts?

A: No. All three parts operate across the identical junction temperature range of -55°C to 150°C.

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