DL4934-13-F Equivalent & Substitute Parts

Part Overview

The DL4934-13-F is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 100 V DC reverse voltage and 1 A average rectified current in a surface mount MELF (DO-213AB) package. This part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.2	V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns	-
Reverse Recovery Time (trr)	200	ns
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Capacitance @ Vr, F	15	pF @ 4V, 1MHz
Package / Case	DO-213AB, MELF (Glass)	-
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the DL4934-13-F are qualified based on the following mandatory electrical and mechanical parameters:

Electrical Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): 100 V minimum
Current - Average Rectified (Io): 1 A minimum
Package / Case: DO-213AB, MELF (Glass) surface mount configuration
Mounting Type: Surface Mount

Secondary Compatibility Parameters:

Operating Temperature - Junction: Must support -65°C minimum and 150°C maximum
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

All substitute parts listed maintain these core parameters. Variations in forward voltage (Vf), reverse recovery time (trr), reverse leakage current, and capacitance are permitted within the electrical design envelope of applications originally specified for the DL4934-13-F.

Parameter Comparison

Part Number	Manufacturer	Product Status	Vr (Max) [V]	Io [A]	Vf (Max) @ 1A [V]	Speed	trr [ns]	Ir @ Vr [µA]	Tj (Max) [°C]	Packaging
DL4934-13-F	Diodes Incorporated	Obsolete	100	1	1.2	Fast Recovery ≤ 500ns	200	5	150	Tape & Reel
BYM11-100-E3/96	Vishay General Semiconductor	Active	100	1	1.3	Fast Recovery ≤ 500ns	150	5	175	Tape & Reel
BYM10-100-E3/96	Vishay General Semiconductor	Active	100	1	1.1	Standard Recovery >500ns	-	10	175	Cut Tape & Digi-Reel
BYM10-100-E3/97	Vishay General Semiconductor	Active	100	1	1.1	Standard Recovery >500ns	-	10	175	Tape & Reel
BYM12-100-E3/96	Vishay General Semiconductor	Active	100	1	1.0	Fast Recovery ≤ 500ns	50	5	175	Tape & Reel
EGL41B-E3/96	Vishay General Semiconductor	Active	100	1	1.0	Fast Recovery ≤ 500ns	50	5	175	Tape & Reel
GL41B-E3/96	Vishay General Semiconductor	Active	100	1	1.1	Standard Recovery >500ns	-	10	175	Cut Tape & Digi-Reel
GL41BHE3/96	Vishay General Semiconductor	Active	100	1	1.1	Standard Recovery >500ns	-	10	175	Tape & Reel

Engineering Selection Recommendations

All listed substitute parts are manufactured by Vishay General Semiconductor - Diodes Division and carry active product status, ensuring long-term availability and supply chain continuity. Each substitute meets the mandatory electrical specifications of 100 V reverse voltage and 1 A average rectified current in DO-213AB surface mount packaging.

Compliance and Certification: All substitute parts are ROHS3 Compliant, REACH Unaffected, and carry MSL 1 (Unlimited) moisture sensitivity classification, matching the environmental and regulatory requirements of the original DL4934-13-F.

Operating Temperature Range: Substitute parts from Vishay extend the maximum junction temperature to 175°C, compared to the original part's 150°C maximum. This provides enhanced thermal margin for applications operating at elevated temperatures.

Product Availability: The substitute parts maintain adequate inventory levels across multiple packaging formats (Tape & Reel, Cut Tape & Digi-Reel), supporting both high-volume production and component-level repair requirements.

Frequently Asked Questions (FAQ)

Q: Can BYM11-100-E3/96 directly replace DL4934-13-F in all applications?

A: BYM11-100-E3/96 maintains identical voltage and current ratings (100 V, 1 A) and package configuration (DO-213AB MELF). The forward voltage is 1.3 V versus 1.2 V for the original part, and reverse recovery time is 150 ns versus 200 ns. These differences are within acceptable substitution parameters for general-purpose rectifier applications.

Q: What is the difference between fast recovery and standard recovery diodes in this lineup?

A: Fast recovery diodes (BYM11-100-E3/96, BYM12-100-E3/96, EGL41B-E3/96) have reverse recovery times ≤ 500 ns, suitable for switching applications. Standard recovery diodes (BYM10-100-E3/96, BYM10-100-E3/97, GL41B-E3/96, GL41BHE3/96) have reverse recovery times > 500 ns, appropriate for linear rectification. Selection depends on circuit switching frequency requirements.

Q: Are there packaging differences between substitute options?

A: Yes. BYM10-100-E3/96 and GL41B-E3/96 are supplied in Cut Tape & Digi-Reel format. BYM11-100-E3/96, BYM10-100-E3/97, BYM12-100-E3/96, EGL41B-E3/96, and GL41BHE3/96 are supplied in Tape & Reel format. Selection depends on assembly equipment compatibility and procurement volume requirements.

Q: Does the extended temperature range of substitute parts affect compatibility?

A: Substitute parts support -65°C to 175°C junction temperature, compared to the original part's -65°C to 150°C. This extended range is backward compatible with applications designed for the original temperature specification and provides additional thermal headroom.

Q: Which substitute offers the lowest forward voltage drop?

A: BYM12-100-E3/96 and EGL41B-E3/96 both specify 1.0 V forward voltage at 1 A, compared to 1.2 V for the original DL4934-13-F. These parts are suitable for applications where minimizing power dissipation is a design priority.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.

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