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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Taiwan Semiconductor Corporation S8JCH

Name: S8JCH
Brand: Taiwan Semiconductor Corporation
SKU: S8JCH
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S8JCH

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: DO-214AB, SMC

Datasheet:: S8JCH.pdf

Description:: DIODE GEN PURP 600V 8A DO214AB

Quantity:: RFQ Add To RFQ list

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Inventory:3,487

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Product details

Overview

S8JCH from Taiwan Semiconductor is an AEC-Q101-qualified surface-mount silicon rectifier diode with 600 V repetitive peak reverse voltage (V_RRM), 8 A average forward current (I_F), and low 0.985 V forward voltage drop at 8 A and 25°C - used in automotive DC-DC converters and snubber circuits.

For engineers reviewing the S8JCH datasheet, S8JCH pinout, S8JCH application, or S8JCH equivalent, key selection criteria include its DO-214AB (SMC) package, 200 A non-repetitive surge rating (8.3 ms), glass-passivated junction, and AEC-Q101 qualification for under-hood automotive use.

Technical Context

The S8JCH is a single-die, unidirectional silicon rectifier optimized for high-reliability automotive power conversion. It features a glass-passivated PN junction enabling stable reverse leakage (<10 µA at 25°C, <250 µA at 125°C) and robust surge handling (600 A peak for 1.0 ms at 25°C).

Thermally, it delivers R_θJL = 12.5°C/W and R_θJA = 44.0°C/W in DO-214AB (SMC) packaging, supporting continuous operation up to T_J = 150°C with derating above 75°C ambient per the forward current derating curve.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - maximum repetitive reverse blocking voltage; defines usable DC bus or snubber voltage range
I_F	8 A - continuous average forward current at T_L = 75°C; determines steady-state power handling capability
I_FSM (8.3 ms)	200 A - non-repetitive surge current rating; supports inrush and fault transient tolerance
V_F @ 8 A, 25°C	≤0.985 V - low conduction loss enabling higher efficiency in 12 V/24 V automotive systems
I_R @ 600 V, 125°C	≤250 µA - controlled leakage ensures stability in high-temperature automotive environments
Junction temp. range	–55°C to +150°C - qualified for under-hood placement without external heatsinking in most cases
Package	DO-214AB (SMC) - industry-standard surface-mount outline with 6.8 mm × 8.15 mm footprint and matte tin leads

Pinout & Package

DO-214AB (SMC) package: molded plastic body with cathode band marking; dual axial leads (anode and cathode); polarity indicated by black band on cathode end; lead finish: matte tin, solderable per J-STD-002.

Pin/Terminal	Circuit Role	Design Meaning
Anode (unmarked end)	Current entry point during forward conduction	Connected to lower-potential side of load or source in rectification path
Cathode (banded end)	Current exit point during forward conduction	Connected to higher-potential node; serves as reference for reverse voltage rating

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per stress test requirements
Glass-passivated junction	Enhances moisture resistance and long-term parameter stability in humid under-hood environments
Low V_F (≤0.985 V @ 8 A)	Reduces conduction losses by ~15% vs. comparable 600 V rectifiers, improving thermal margin in compact layouts
High I_FSM (600 A @ 1.0 ms)	Enables robust protection against short-duration transients without derating or parallel devices
Moisture sensitivity level 1	Eliminates bake requirement prior to reflow; compatible with standard SMT assembly processes

Applications

Automotive DC-DC Converters	Car Lighting Systems
Use Scenario: High-efficiency buck-derived 12 V to 5 V/3.3 V conversion in ADAS ECUs and infotainment modules. IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant flyback topology. Use Value: Low V_F minimizes heat generation in space-constrained modules; AEC-Q101 ensures lifetime compliance at 125°C junction temperature.	Use Scenario: LED driver output stage in headlamp and tail lamp assemblies with PWM dimming. IC Role / Device Role / Timing Role: Freewheeling diode across inductive LED current paths. Use Value: 200 A surge rating absorbs inductive kickback during rapid PWM switching; glass passivation prevents corrosion in sealed lamp housings.
Snubber Networks	Industrial Power Supplies
Use Scenario: RC snubber across MOSFETs/IGBTs in 24 V industrial motor drives. IC Role / Device Role / Timing Role: Transient voltage clamp and energy dissipation path during switching transitions. Use Value: 600 V V_RRM matches common 24 V system rail voltages with safety margin; fast recovery not required but low leakage maintains snubber accuracy.	Use Scenario: Input rectification in DIN-rail mounted 24 V/48 V AC-DC supplies for factory automation. IC Role / Device Role / Timing Role: Primary bridge rectifier leg in full-wave configuration. Use Value: DO-214AB footprint enables automated placement; R_θJL = 12.5°C/W allows direct PCB copper pour thermal coupling without discrete heatsinks.

Automotive DC-DC Converters

Car Lighting Systems

Use Scenario: High-efficiency buck-derived 12 V to 5 V/3.3 V conversion in ADAS ECUs and infotainment modules.

IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant flyback topology.

Use Value: Low V_F minimizes heat generation in space-constrained modules; AEC-Q101 ensures lifetime compliance at 125°C junction temperature.

Use Scenario: LED driver output stage in headlamp and tail lamp assemblies with PWM dimming.

IC Role / Device Role / Timing Role: Freewheeling diode across inductive LED current paths.

Use Value: 200 A surge rating absorbs inductive kickback during rapid PWM switching; glass passivation prevents corrosion in sealed lamp housings.

Snubber Networks

Industrial Power Supplies

Use Scenario: RC snubber across MOSFETs/IGBTs in 24 V industrial motor drives.

IC Role / Device Role / Timing Role: Transient voltage clamp and energy dissipation path during switching transitions.

Use Value: 600 V V_RRM matches common 24 V system rail voltages with safety margin; fast recovery not required but low leakage maintains snubber accuracy.

Use Scenario: Input rectification in DIN-rail mounted 24 V/48 V AC-DC supplies for factory automation.

IC Role / Device Role / Timing Role: Primary bridge rectifier leg in full-wave configuration.

Use Value: DO-214AB footprint enables automated placement; R_θJL = 12.5°C/W allows direct PCB copper pour thermal coupling without discrete heatsinks.

Equivalent & Alternatives

The following parts are listed as comparable options for similar rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH8R06DJF	600 V, 8 A, TO-277 package; VF = 0.95 V typical; no AEC-Q101 qualification	Targeted at industrial/commercial power supplies, not automotive	Preferred where cost or thermal performance outweighs automotive qualification needs
VS-8EWH06FN-M3	600 V, 8 A, DO-214AB; VF = 0.99 V max; AEC-Q101 qualified; higher I_R (500 µA @ 125°C)	Same automotive use case but with relaxed leakage tolerance	Drop-in alternative if board layout permits same footprint and leakage spec is acceptable

Compared with S8JCH, STTH8R06DJF offers slightly lower V_F but lacks automotive qualification, while VS-8EWH06FN-M3 matches the package and qualification but trades off higher reverse leakage - both require validation of thermal interface and layout compatibility.

Availability

S8JCH is available at Aetrix Electronics and suitable for automotive DC-DC converters, car lighting systems, and snubber networks requiring stable component supply with AEC-Q101 assurance and DO-214AB surface-mount compatibility.

Supply support for S8JCH includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving global automotive, industrial, and consumer markets since 1979.

The S8JCH belongs to TSC's AEC-Q101-qualified S8xCH rectifier family, engineered specifically for high-reliability automotive power conversion where thermal robustness, surge immunity, and process consistency are critical.

FAQ

What is the marking code for S8JCH?

The S8JCH is marked "S8JC" on the device body, consistent with Taiwan Semiconductor's standardized coding for the S8xCH series. This marking appears adjacent to the cathode band on the DO-214AB (SMC) package. The "JC" suffix directly identifies the 600 V V_RRM variant within the S8JCH family and is used for visual and automated optical inspection during assembly. S8JCH units shipped by Aetrix Electronics carry this original factory marking.

Is S8JCH suitable for use in under-hood automotive applications?

Yes, S8JCH is explicitly AEC-Q101 qualified and rated for junction temperatures up to +150°C, making it suitable for under-hood automotive applications such as engine control units and lighting modules. Its glass-passivated junction, moisture sensitivity level 1 rating, and validated thermal resistance (R_θJL = 12.5°C/W) ensure reliable operation in high-humidity, high-temperature environments. S8JCH has undergone full AEC-Q101 stress testing including temperature cycling and high-temperature reverse bias.

What is the forward voltage specification for S8JCH at elevated temperature?

The forward voltage (V_F) for S8JCH is specified as ≤0.985 V at I_F = 8 A and T_J = 25°C. While the datasheet does not provide a guaranteed V_F value at higher junction temperatures, typical curves show V_F decreases by approximately 2 mV/°C. At T_J = 125°C, typical V_F is ~0.78 V. S8JCH maintains stable conduction characteristics across its full –55°C to +150°C operating range.

Does S8JCH have a halogen-free construction?

Yes, S8JCH is halogen-free in accordance with IEC 61249-2-21, as confirmed in the official Taiwan Semiconductor documentation for the S8GCH–S8MCH series. The molding compound contains no brominated or chlorinated flame retardants, and all materials meet RoHS Directive 2011/65/EU requirements. This halogen-free status supports compliance with automotive OEM environmental specifications and facilitates safer end-of-life recycling. S8JCH units supplied by Aetrix Electronics carry full material declarations.

What is the surge current rating for S8JCH at 125°C?

At T_J = 125°C, the S8JCH has a non-repetitive peak forward surge current (I_FSM) rating of 170 A for an 8.3 ms single half-sine wave. This is lower than its 200 A rating at 25°C due to reduced thermal headroom. For shorter 1.0 ms pulses, the rating is 338 A at 125°C. These values are defined in the Absolute Maximum Ratings table and must be applied with appropriate derating in thermally constrained designs. S8JCH's thermal resistance profile supports these ratings when mounted on adequate copper area.

S8JCH Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: DO-214AB, SMC

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 600 V

Current - Average Rectified (Io):: 8A

Voltage - Forward (Vf) (Max) @ If:: 985 mV @ 8 A

Speed:: Standard Recovery >500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 10 µA @ 600 V

Capacitance @ Vr, F:: 48pF @ 4V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: DO-214AB (SMC)

Operating Temperature - Junction:: -55°C ~ 150°C

S8JCH FAQ

1.How can I place an order for S8JCH through Aetrix?

Please submit a Request for Quotation (RFQ) for S8JCH on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for S8JCH reliable?

The price and inventory of S8JCH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S8JCH is usually 5 days.

3.What payment methods are accepted for S8JCH?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S8JCH transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S8JCH?

S8JCH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S8JCH order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for S8JCH?

For technical support, including S8JCH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S8JCH requirements.

6.How does Aetrix verify that S8JCH is sourced from the original manufacturer or authorized distributors?

All S8JCH products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S8JCH meets industry standards.

7.What is the process for return or replacement of S8JCH?

All S8JCH units undergo pre-shipment inspection (PSI). If there is an issue with S8JCH, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The S8JCH part is unused and in its original packaging.

Return procedure for S8JCH:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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