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1N5370B The 1N5370B is a 56V Zener diode rated at 5W power dissipation, with ±5% tolerance and 35Ω impedance. It comes in a through-hole T-18 axial package.
Mfr Part #:

1N5370B

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 1N5370B is a 56V Zener diode rated at 5W power dissipation, with ±5% tolerance and 35Ω impedance. It comes in a through-hole T-18 axial package.
Total Stock: 2,085 pcs
$ Price Range: $0.14 - $0.43

1N5370B Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,000 pcs
2000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
85 pcs
85 pcs On Request 1 On Request On Request On Request On Request On Request

1N5370B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
ESD Rating
Impedance (Max) (Zzt)
Industrial Grade
Lead Style
Maximum Junction Temperature (DC)
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Package Type
Power
Storage Temperature
Storage Temperature Range
Supplier Device Package
Thermal Resistance, Junction to Lead
Tolerance
Voltage
Zener Voltage
surge_power_rating

1N5370B Description

Short technical summary and product information.

The 1N5370B is a 56V Zener diode from the 1N53 series by On Semiconductor. It offers a power dissipation of 5W and features a ±5% tolerance on the Zener voltage. The diode has a maximum impedance of 35Ω at the test current, and a reverse leakage current of 500nA at 42.6V. It is designed for through-hole mounting with an axial lead T-18 package. The device operates over a temperature range of -65°C to 200°C, with a maximum junction temperature of 150°C for DC operation. The 1N5370B also boasts an ESD rating of Class 3 (>16 kV) and a surge power rating of 180W for 8.3 ms pulses. Typical applications include voltage regulation, overvoltage protection, and reference voltage circuits.

1N5370B Quick Information

Product Type: Zener Diode
Series: 1N53
Canonical Name: 1N5370B 56V 5W Zener Diode
Subcategory: Single Zener Diode

1N5370B Compliance

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

1N5370B Estimated Pricing

Qty Low High
1+ $0.43 $0.43
10+ $0.34 $0.34
100+ $0.21 $0.21
500+ $0.20 $0.20
1,000+ $0.20 $0.20
1,700+ $0.17 $0.17
3,400+ $0.16 $0.16
8,500+ $0.14 $0.14
23,800+ $0.14 $0.14

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

1N5370B Features

  • Rated for 5W power dissipation.
  • 56V Zener voltage with ±5% tolerance.
  • Axial lead through-hole package.
  • ESD rated over 16 kV.
  • Surge power up to 180W.

1N5370B Applications

  • Used in voltage regulation circuits.
  • Suitable for overvoltage protection.
  • Ideal for reference voltage generation.

1N5370B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N5370B?

56 V with ±5% tolerance.

What is the power dissipation rating?

5 W maximum.

What is the forward voltage at 1A?

1.2 V maximum.

What is the operating temperature range?

-65°C to 200°C.

What is the package type?

T-18, Axial through-hole.

What is the maximum impedance at the test current?

35 Ω.

What is the ESD rating?

Class 3 (>16 kV) Human Body Model.

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