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MMSZ5257B-7-F The MMSZ5257B-7-F is a 33V Zener diode from Diodes Incorporated rated at 500mW power dissipation. It comes in a surface mount SOD-123 package.
Mfr Part #:

MMSZ5257B-7-F

Available from 3 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
The MMSZ5257B-7-F is a 33V Zener diode from Diodes Incorporated rated at 500mW power dissipation. It comes in a surface mount SOD-123 package.
✓ Total Stock: 148,102 pcs
$ Price Range: $0.05 - $0.22

MMSZ5257B-7-F Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
145,020 pcs
On Request
145020 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
2,975 pcs
On Request
2975 pcs On Request 1 On Request On Request On Request On Request On Request
ADI/AAR OEM Supply ✓
Non-Authorised Inventory information
107 pcs
On Request
107 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MMSZ5257B-7-F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Tolerance
Voltage
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MMSZ5257B-7-F Description

Short technical summary and product information.

The MMSZ5257B-7-F is a 33V Zener diode manufactured by Diodes Incorporated. It features a maximum power dissipation of 500mW and a forward voltage of 900mV at 10mA. The device offers a reverse leakage current of only 100nA at 25V.

 

The Zener diode provides a nominal Zener voltage of 33V with ±5% tolerance and a maximum impedance of 58Ω. It operates over a wide temperature range from -65°C to 150°C and has a junction-to-ambient thermal resistance of 338°C/W.

 

The component is housed in a standard SOD-123 surface mount package with matte tin finish. It is RoHS3 compliant, Halogen and Antimony free, and rated MSL Level 1 for moisture sensitivity. These characteristics make it suitable for general purpose voltage regulation, clamping, and overvoltage protection in low power circuits.

MMSZ5257B-7-F Quick Information

Product Type: Zener Diode
Series: MMSZ52xxB
Canonical Name: MMSZ5257B-7-F Zener Diode, 33V, 500mW, SOD-123
Subcategory: Single Zener Diode

MMSZ5257B-7-F Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead Free

MMSZ5257B-7-F Estimated Pricing

Qty Low High
1+ $0.22 $0.22
10+ $0.13 $0.13
100+ $0.10 $0.10
500+ $0.07 $0.07
1,000+ $0.06 $0.06
3,000+ $0.05 $0.05

Estimated market price range - modelled values for guidance only, not live distributor offers.

MMSZ5257B-7-F Features

  • Zener voltage 33V with ±5% tolerance.
  • Maximum power dissipation 500mW.
  • Surface mount SOD-123 package.
  • RoHS and Halogen-free compliant.
  • Operating temperature -65°C to 150°C.

MMSZ5257B-7-F Applications

  • Voltage regulation in low power circuits.
  • Overvoltage protection for sensitive components.
  • General purpose voltage clamping.

MMSZ5257B-7-F FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the MMSZ5257B-7-F?

The Zener voltage is 33V with a tolerance of ±5%.

What is the maximum power dissipation?

Maximum power dissipation is 500mW.

What is the forward voltage at 10mA?

The forward voltage is 900mV maximum at 10mA.

What package type does this Zener diode use?

It uses a SOD-123 surface mount package.

What is the reverse leakage current?

The reverse leakage current is 100nA maximum at 25V.

What is the operating temperature range?

Operating temperature range is -65°C to 150°C.

Is this device RoHS compliant?

Yes, the MMSZ5257B-7-F is RoHS3 compliant and Halogen and Antimony free.

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