BZX79-B75,113 Equivalent & Substitute Parts

Part Overview

The BZX79-B75,113 is a Zener diode manufactured by Nexperia USA Inc., rated for 75 V nominal voltage with 400 mW maximum power dissipation. This through-hole component operates across a temperature range of -65°C to 200°C and is housed in a DO-204AH (DO-35) axial package. The device maintains an active product status and carries ROHS3 compliance certification. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same parameter set, enabling direct replacement in circuit applications without performance degradation.

Substiute Parts

BZX79-B75,113
Nexperia USA Inc.In Stock: 11121BZX79-B75,113 Datasheet
BZX79-B75,113
Current Part
BZX79-B75,133
Nexperia USA Inc.In Stock: 10066BZX79-B75,133 Datasheet
BZX79-B75,133
Parametric Equivalent

Key Parameters

Parameter Value Unit
Voltage - Zener (Nom) 75 V
Tolerance ±2%
Power - Max 400 mW
Impedance (Max) 255 Ohms
Current - Reverse Leakage @ Vr 50 nA @ 52.5 V
Voltage - Forward (Vf) (Max) @ If 900 mV @ 10 mA
Operating Temperature Range -65 to 200 °C
Mounting Type Through Hole
Package / Case DO-204AH, DO-35, Axial
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the BZX79-B75,113 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part BZX79-B75,133 qualifies as a direct equivalent based on the following criteria:

Electrical Parameter Equivalence:

  • Zener voltage (Nom): 75 V
  • Tolerance: ±2%
  • Maximum power dissipation: 400 mW
  • Impedance (Max): 255 Ohms
  • Reverse leakage current: 50 nA @ 52.5 V
  • Forward voltage: 900 mV @ 10 mA

Mechanical & Environmental Equivalence:

  • Mounting type: Through Hole
  • Package designation: DO-204AH, DO-35, Axial
  • Operating temperature range: -65°C to 200°C
  • Supplier device package: ALF2

Compliance & Status Equivalence:

  • Product status: Active
  • RoHS certification: ROHS3 Compliant
  • Moisture sensitivity level: 1 (Unlimited)
  • REACH status: REACH Unaffected

Parameter Comparison

Parameter BZX79-B75,113 BZX79-B75,133 Match
Manufacturer Nexperia USA Inc. Nexperia USA Inc.
Category Diodes, Zener Diodes, Zener
Voltage - Zener (Nom) 75 V 75 V
Tolerance ±2% ±2%
Power - Max 400 mW 400 mW
Impedance (Max) 255 Ohms 255 Ohms
Current - Reverse Leakage @ Vr 50 nA @ 52.5 V 50 nA @ 52.5 V
Voltage - Forward (Vf) (Max) @ If 900 mV @ 10 mA 900 mV @ 10 mA
Operating Temperature Range -65°C to 200°C -65°C to 200°C
Mounting Type Through Hole Through Hole
Package / Case DO-204AH, DO-35, Axial DO-204AH, DO-35, Axial
Supplier Device Package ALF2 ALF2
Product Status Active Active
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The BZX79-B75,133 is a direct parametric equivalent to the BZX79-B75,113 and qualifies for substitution in all applications where the original part is specified. Both components are manufactured by Nexperia USA Inc. and maintain identical electrical characteristics, mechanical packaging, and environmental operating parameters.

Selection Basis:

Both parts carry Active product status, indicating ongoing manufacturer support and availability. ROHS3 compliance certification is maintained across both variants, satisfying regulatory requirements for restricted substance control. The identical moisture sensitivity level (MSL 1 - Unlimited) indicates equivalent handling and storage requirements with no moisture bake-out procedures required.

The through-hole mounting configuration and DO-204AH axial package designation ensure mechanical compatibility with existing PCB layouts and assembly processes. No design modifications or board rework are necessary when transitioning between these parts.

Inventory availability differs between the two parts (11051 Pcs for BZX79-B75,113 versus 10004 Pcs for BZX79-B75,133), allowing for supply chain flexibility based on procurement lead times and stock levels.

Frequently Asked Questions (FAQ)

Q: Can BZX79-B75,133 be used as a direct replacement for BZX79-B75,113?

A: Yes. Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications (75 V nominal, 400 mW, ±2% tolerance), mechanical packaging (DO-204AH axial), and environmental ratings (-65°C to 200°C). No circuit modifications are required.

Q: Are there differences in the package or pinout between these parts?

A: No. Both components use the DO-204AH, DO-35 axial package with ALF2 supplier device package designation. The through-hole mounting configuration and lead spacing are identical.

Q: Do both parts meet the same compliance standards?

A: Yes. Both BZX79-B75,113 and BZX79-B75,133 are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity levels (MSL 1 - Unlimited). No additional handling or storage procedures differ between the two parts.

Q: What is the difference between the two part numbers?

A: The part numbers differ only in their suffix designation (113 versus 133). All electrical parameters, mechanical specifications, and compliance certifications are identical. The difference reflects internal Nexperia manufacturing or distribution tracking and does not affect functional performance.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. The identical zener voltage (75 V), power rating (400 mW), impedance (255 Ohms), and temperature range (-65°C to 200°C) ensure functional equivalence. PCB layouts, schematic designations, and assembly processes require no modification.

Q: Are there any thermal or electrical performance differences?

A: No. Both parts maintain identical maximum power dissipation (400 mW), forward voltage characteristics (900 mV @ 10 mA), and reverse leakage current specifications (50 nA @ 52.5 V). Thermal performance and electrical behavior are equivalent.

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