STA303A

$1.80

Description：TRANS 3NPN DARL 100V 4A 8-SIP
Series：-

SKU:52c213e654d8 Category: Bipolar Transistor Arrays Brand: Sanken Electric USA Inc.

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Product introduction

Product Detailed Parameters

Description：TRANS 3NPN DARL 100V 4A 8-SIP
Series：-
Mfr：Sanken Electric USA Inc.
Package：Bulk
Transistor Type：3 NPN Darlington (Emitter Coupled)
Current - Collector (Ic) (Max)：4A
Voltage - Collector Emitter Breakdown (Max)：100V
Vce Saturation (Max) @ Ib, Ic：2V @ 10mA, 2A
Current - Collector Cutoff (Max)：100µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：1000 @ 2A, 4V
Power - Max：3W
Frequency - Transition：-
Operating Temperature：150°C (TJ)
Mounting Type：Through Hole
Package / Case：8-SIP
Supplier Device Package：8-SIP
Grade：-
Qualification：-

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STA303A

Overview

The STA303A is an NPN Darlington transistor designed for general-purpose and three-phase motor drive applications. It features a collector-emitter voltage (VCEO) of 100 V, a continuous collector current (IC) rating of 4 A at 25°C case temperature, and a peak collector current (ICP) of 8 A. The device operates within a junction temperature range of -40 to +150 °C. Key electrical characteristics include a DC current gain (hFE) of 1000 at IC=2A and VCE=4V, with a maximum saturation voltage (VCE(sat)) of 2.0 V under specified conditions.

Feature Summary

High current handling capability suitable for power switching
Integrated Darlington configuration for high gain
Robust thermal performance with defined safe operating area

Applications

General purpose switching
Three-phase motor drive circuits

Procurement Notes

Verify the specific package variant against the datasheet external dimensions, as the manufacturer lists multiple pin configurations including 8-pin and 21-pin options. Confirm that the ordering suffix matches the required lead frame and terminal style for your assembly process. Ensure the component meets the environmental specifications required for your final product deployment.

Selection Notes

Select this component when a high-gain NPN switch is needed for moderate current loads up to 4 A. Consider the thermal resistance values provided in the characteristic curves to determine appropriate heatsinking requirements. Verify that the base drive current can support the required hFE for saturation in your specific circuit design.

Part Context

This part belongs to Sanken Electric's discrete semiconductor lineup, specifically categorized as power transistors. It is engineered for industrial and automotive environments where reliable switching performance is critical. The device complements other driver components in motor control systems.

Replacement Considerations

Consult official cross-reference data from Sanken or authorized distributors for verified substitutes. Ensure any replacement maintains equivalent VCEO, IC ratings, and package compatibility. Verify thermal characteristics match the original design constraints.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.