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Small black rectangular semiconductor component with two leads marked 4145

YINGHUA

YINGHUA TISP4145H3BJR-S Thyristor Surge Protection Device DO-214AA-2

SKU CH-HT4A-8S843

Thyristor surge protection device in DO-214AA package clamps transients to safeguard circuits

  • Product typeICs Semicoductors
  • Thyristor crowbar clamps transient over-voltages fast
  • DO-214AA-2 surface-mount package suits dense PCB layouts
  • 4145 V breakover rating handles high-energy surges
  • 214 mA holding current maintains protection without latch-up

Surge protection thyristor DO-214AA-2

The YINGHUA TISP4145H3BJR-S is a thyristor surge protection device built in a DO-214AA-2 package. It clamps transient over-voltages to protect sensitive downstream circuits. Engineers designing telecom, industrial or consumer electronics use it to meet lightning and power-cross immunity requirements. The component is supplied new and ready for automated assembly.

Verify PCB footprint and voltage rating

Confirm that your board layout matches the DO-214AA-2 footprint before ordering. Check that the device clamping voltage suits the maximum transient level your application must withstand. Ensure the package thermal path meets your design derating rules. Buyers needing a different package style or a higher surge current rating should select an alternative part.

How it compares

Measured against everything we stock in Encoders & Semiconductor Parts, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 65% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

Does the TISP4145H3BJR-S arrive as single units or in reels, and is any mounting hardware included?

The device is supplied as individual DO-214AA components; no mounting hardware, sockets or accessories are included in the package.

How do I decide between the 214 package outline and the 4145 voltage rating when selecting this surge protector?

The 214 figure refers to the DO-214AA surface-mount outline, while 4145 identifies the 145 V breakover rating; both describe the same single part, so no separate version choice is needed.

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