1N5543B [Microchip]

Name: 1N5543B
Brand: Microchip
SKU: 1N5543B
Availability: InStock

Part No:

1N5543B

Transistors

Manufacturer:

Microchip

Description:

Military and defense, aerospace, HI-Rel Discrete Voltage and Current Regulation

Stock Status:

Available for RFQ

Pricing:

Request Volume Pricing

Quote Response:

Within 24 Hours

Shipping:

In-stock parts ship in 1–2 business days

Products Detail

The 1N5518 thru 1N5546 series of 0.5 watt axial-leaded glass Zener Voltage Regulators provides a selection from 3.3 to 33 volts with tolerances ranging from plus/minus 1% to 20%. The standard tolerance is plus/minus 5% with the B suffix unless ordered otherwise. These axial-leaded glass DO-35 Zeners are also available with an internal metallurgical bond option. This type of bonded Zener package construction is also available in JAN, JANTX, and JANTXV military qualifications. Microchip also offers numerous other Zener products to meet higher and lower power applications.

JEDEC registered 1N5518 thru 1N5546.

Voltage tolerances of plus/minus 20%, 10%, 5%, 2%, and 1% available. See Note 1 on page 3.

Internal metallurgical bond option available with “-1” suffix. JAN, JANTX, and JANTXV qualification per MIL-PRF-19500/437 available (requires metallurgical bond option as well as plus/minus 5% voltage tolerance or tighter with B-1, C-1 or D-1 suffix).

RoHS compliant versions available (commercial grade only).

Regulates voltage over a broad operating current and temperature range.

Guaranteed voltage regulation (∆VZ) from IZL to IZT.

Voltage selection from 3.3 to 33 V.

Flexible axial-lead mounting terminals.

Nonsensitive to ESD per MIL-STD-750 Method 1020.

Minimal capacitance (see Figure 3).

Inherently radiation hard as described in Microchip “MicroNote 050” which is available at Microchip.com.

Product FAQ

1. Is 1N5543B available for RFQ?

Yes. 1N5543B by Microchip is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

2. Why is there no fixed price for 1N5543B?

Pricing for 1N5543B can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

3. What are the key specifications of 1N5543B?

1N5543B is a Microchip Transistors with the specifications shown on this page. Review the product details or submit an RFQ if you need confirmation before purchase.

4. How fast can I get a quote for 1N5543B?

Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

5. How soon can 1N5543B be shipped?

If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

6. Can you suggest alternatives to 1N5543B?

Yes. If 1N5543B is unavailable, obsolete, or does not meet your required lead time, we can help check similar Microchip Transistors parts or compatible alternatives.

RFQ

Part Number:

1N5543B

Manufacturer:

Microchip

Looking for Pricing? Contact us for volume pricing.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.