Part Details for KDZTR3.9B by ROHM Semiconductor
Results Overview of KDZTR3.9B by ROHM Semiconductor
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Space Technology
Aerospace and Defense
Automotive
KDZTR3.9B Information
KDZTR3.9B by ROHM Semiconductor is a Zener Diode.
Zener Diodes are under the broader part category of Diodes.
A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.
Price & Stock for KDZTR3.9B
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
55AC7458
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Newark | Diode Zener Single 4.136V 6% 1W 2-Pin Pmdu T/R Rohs Compliant: Yes |Rohm KDZTR3.9B RoHS: Compliant Min Qty: 3000 Package Multiple: 1 Date Code: 0 Container: Reel | 0 |
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Buy Now | |
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DISTI #
846-KDZTR3.9BCT-ND
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DigiKey | DIODE ZENER 4.1V 1W PMDU Min Qty: 1 Lead time: 17 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) | Temporarily Out of Stock |
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$0.7900 | Buy Now |
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DISTI #
755-KDZTR3.9B
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Mouser Electronics | Zener Diodes 3.9 to 4.4V, 40mA 1000mW | 0 |
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Order Now | |
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Onlinecomponents.com | RoHS: Compliant |
3000 In Stock |
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$0 | Buy Now |
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Bristol Electronics | 100 |
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RFQ |
Part Details for KDZTR3.9B
KDZTR3.9B CAD Models
KDZTR3.9B Part Data Attributes
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KDZTR3.9B
ROHM Semiconductor
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Datasheet
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KDZTR3.9B
ROHM Semiconductor
Zener Diode, 3.9V V(Z), 6.02%, 1W, Silicon, Unidirectional, PMDU, 2 PIN
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Not Recommended | |
| Ihs Manufacturer | ROHM CO LTD | |
| Package Description | PMDU, 2 PIN | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.10.00.50 | |
| Factory Lead Time | 3 Weeks, 1 Day | |
| Samacsys Manufacturer | ROHM Semiconductor | |
| Configuration | SINGLE | |
| Diode Element Material | SILICON | |
| Diode Type | ZENER DIODE | |
| Dynamic Impedance-Max | 15 Ω | |
| JESD-30 Code | R-PDSO-F2 | |
| Moisture Sensitivity Level | 1 | |
| Number of Elements | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity | UNIDIRECTIONAL | |
| Power Dissipation-Max | 1 W | |
| Reference Voltage-Nom | 3.9 V | |
| Surface Mount | YES | |
| Technology | ZENER | |
| Terminal Form | FLAT | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Voltage Tol-Max | 6.02% | |
| Working Test Current | 40 mA |
KDZTR3.9B Frequently Asked Questions (FAQ)
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A thermal pad on the bottom of the package should be connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
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Use a high-quality output capacitor with low ESR (Equivalent Series Resistance) and a minimum capacitance of 10uF. Additionally, ensure the input capacitor is rated for the maximum input voltage.
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The maximum allowed input voltage ripple is 10% of the nominal input voltage. Exceeding this may affect the regulator's stability and output voltage accuracy.
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While the KDZTR3.9B is rated for operation up to 125°C, it's essential to consider the derating curves and thermal management to ensure reliable operation in high-temperature environments.
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Use a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit to protect the regulator from input voltage surges or spikes. This will help prevent damage to the internal circuitry.