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Diodes Incorporated 1SMB5940B-13 Zener Diodes

DIODE ZENER 43V 3W SMB

1,296 ActiveDiodes IncorporatedDO-214$0.13
1SMB5940B-13 DO-214 package illustration

Same model may have multiple batches, images only for reference.

1SMB5940B-13
Part Number (MPN)
1SMB5940B-13
Detailed Description
DIODE ZENER 43V 3W SMB
Package
DO-214
Lifecycle Status
Active
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Technical Specifications

Diodes Incorporated 1SMB5940B-13 Zener Diodes technical specifications.

General

Series
1SMB59
RoHS
Yes
Mounting Type
SMD/SMT
Operating Temperature
- 65°C ~ + 150°C
Vz Zener Voltage
43 V
Voltage Tolerance
5 %
Pd Power Dissipation
3 W
Zener Current
34 mA
Zz Zener Impedance
53 Ohms
Configuration
Single

Related Parts Comparison (1SMB5940B-13 vs 1SMB5956B-13 vs 1SMB5938B-13 vs SMAZ18-13-F)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
RoHSYesYesYesYes
PackageDO-214DO-214DO-214DO-214
Series1SMB59----SMAZ18
Mounting TypeSMD/SMT----SMD/SMT
ConfigurationSingle----Single
Ir Maximum Reverse Leakage Current1 uA----500 nA
Pd Power Dissipation3 W----1 W
Unit Weight0.003386 oz----0.002258 oz
Voltage Tolerance5 %----5 %
Vz Zener Voltage43 V----18 V
Zz Zener Impedance53 Ohms----15 Ohms
Operating Temperature- 65°C ~ + 150°C------
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

More Parts in Zener Diodes

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.