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

Taiwan Semiconductor Corporation S8JCHM6G

Name: S8JCHM6G
Brand: Taiwan Semiconductor Corporation
SKU: S8JCHM6G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S8JCHM6G

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: DO-214AB, SMC

Datasheet:: S8JCHM6G.pdf

Description:: DIODE GEN PURP 600V 8A DO214AB

Quantity:: RFQ Add To RFQ list

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Product details

Overview

S8JCHM6G from Taiwan Semiconductor is an AEC-Q101-qualified surface-mount silicon rectifier diode in DO-214AB (SMC) package, rated for 600 V repetitive peak reverse voltage (V_RRM), 8 A average forward current (I_F), and 200 A non-repetitive surge current (I_FSM at 8.3 ms). It delivers low forward voltage drop (≤0.985 V at 8 A, 25°C) and operates up to +150°C junction temperature, targeting automotive power conversion and snubber circuits.

For engineers reviewing the S8JCHM6G datasheet, S8JCHM6G pinout, S8JCHM6G application, or S8JCHM6G equivalent, key selection criteria include its AEC-Q101 qualification, glass-passivated junction, moisture sensitivity level 1 rating, 12.5°C/W junction-to-lead thermal resistance, and compatibility with automated SMT placement in high-reliability DC/DC and lighting subsystems.

Technical Context

The S8JCHM6G is a single-die, unidirectional silicon rectifier optimized for high-efficiency AC/DC and DC/DC conversion where reliability under thermal and surge stress is critical. Its glass-passivated chip junction ensures stable reverse leakage (<10 µA at 25°C, <250 µA at 125°C) and robustness against humidity and contamination.

Designed for automotive-grade operation, it supports continuous conduction at 8 A with derating above 75°C lead temperature and withstands 600 A surge (1.0 ms half-sine) at 25°C - enabling use in transient-heavy environments like car lighting drivers and snubber networks without external clamping.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - Maximum reverse voltage the device blocks continuously; defines minimum isolation margin in 48 V or 12 V automotive bus interfaces.
I_F	8 A - Continuous average forward current at T_L = 75°C; supports sustained power delivery in compact SMC-footprint rectifiers.
I_FSM (8.3 ms)	200 A - Peak non-repetitive surge capability; handles inrush and fault currents in DC/DC input stages without failure.
V_F @ 8 A, 25°C	≤0.985 V - Low conduction loss reduces heat generation and improves system efficiency in high-current paths.
R_θJL	12.5 °C/W - Junction-to-lead thermal resistance enables direct thermal coupling to PCB copper; critical for passive heatsinking in space-constrained modules.
Junction temp. range	–55°C to +150°C - Full operational range validated per AEC-Q101; supports under-hood and headlamp module deployment.
MSL Level	Level 1 (per J-STD-020) - No floor life limitation; allows indefinite storage and standard reflow without baking.

Pinout & Package

Package: DO-214AB (SMC), molded plastic case with matte tin-plated leads, UL 94V-0 rated compound, cathode indicated by band. Weight: ~0.270 g.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to lower-potential side of AC source or switching node; must be routed with adequate copper area for 8 A conduction.
Cathode	Forward current exit / reverse blocking terminal	Marked by visible band; ties to output rail or filter capacitor; polarity error causes catastrophic short in bridge or flyback configurations.

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive electronics per stress test requirements including HTOL, TC, UHAST, and ESD - required for OEM Tier-1 power modules.
Glass-passivated junction	Eliminates metal migration and surface leakage paths; ensures long-term stability of V_R and I_R in humid or chemically aggressive under-hood environments.
Low V_F (≤0.985 V)	Reduces power dissipation by >15% vs. legacy 1.1 V rectifiers at 8 A, lowering thermal load on adjacent components and PCB.
High I_FSM (600 A, 1.0 ms)	Withstands worst-case MOSFET shoot-through or transformer saturation events without bond wire fusing or junction meltdown.
Halogen-free & RoHS	Complies with IEC 61249-2-21 and EU RoHS Directive - meets Tier-1 environmental compliance mandates for global vehicle programs.

Applications

Automotive DC/DC Converters	LED Headlamp Drivers
Use Scenario: High-efficiency 12 V to 48 V bidirectional DC/DC converter in 48 V mild-hybrid architectures. IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant topology, handling 8 A continuous output current. Use Value: Low V_F minimizes conduction loss while AEC-Q101 rating ensures 15-year field reliability under thermal cycling and vibration.	Use Scenario: Constant-current LED driver for adaptive front-lighting systems (AFS) with PWM dimming. IC Role / Device Role / Timing Role: Freewheeling diode across buck inductor during switch-off phase, clamping inductive kickback. Use Value: 600 V V_RRM provides margin against transients up to ISO 7637-2 Pulse 5a; 200 A I_FSM absorbs energy from fast-switching MOSFETs.
Snubber Networks	Industrial Power Supplies
Use Scenario: RC snubber across IGBT or MOSFET switches in motor drives and inverters. IC Role / Device Role / Timing Role: Fast-recovery rectifier conducting snubber capacitor discharge current during switching transitions. Use Value: Glass-passivated junction prevents leakage-induced snubber drift; 12.5°C/W R_θJL enables direct mounting to heatsink for thermal stability.	Use Scenario: Input rectification stage in DIN-rail mounted 24 V industrial PSUs powering PLCs and sensors. IC Role / Device Role / Timing Role: Primary-side bridge rectifier delivering 8 A average current from 100–240 VAC input. Use Value: MSL Level 1 and JESD201 Class 2 whisker resistance support zero-defect manufacturing in high-volume SMT lines.

Automotive DC/DC Converters

LED Headlamp Drivers

Use Scenario: High-efficiency 12 V to 48 V bidirectional DC/DC converter in 48 V mild-hybrid architectures.

IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant topology, handling 8 A continuous output current.

Use Value: Low V_F minimizes conduction loss while AEC-Q101 rating ensures 15-year field reliability under thermal cycling and vibration.

Use Scenario: Constant-current LED driver for adaptive front-lighting systems (AFS) with PWM dimming.

IC Role / Device Role / Timing Role: Freewheeling diode across buck inductor during switch-off phase, clamping inductive kickback.

Use Value: 600 V V_RRM provides margin against transients up to ISO 7637-2 Pulse 5a; 200 A I_FSM absorbs energy from fast-switching MOSFETs.

Snubber Networks

Industrial Power Supplies

Use Scenario: RC snubber across IGBT or MOSFET switches in motor drives and inverters.

IC Role / Device Role / Timing Role: Fast-recovery rectifier conducting snubber capacitor discharge current during switching transitions.

Use Value: Glass-passivated junction prevents leakage-induced snubber drift; 12.5°C/W R_θJL enables direct mounting to heatsink for thermal stability.

Use Scenario: Input rectification stage in DIN-rail mounted 24 V industrial PSUs powering PLCs and sensors.

IC Role / Device Role / Timing Role: Primary-side bridge rectifier delivering 8 A average current from 100–240 VAC input.

Use Value: MSL Level 1 and JESD201 Class 2 whisker resistance support zero-defect manufacturing in high-volume SMT lines.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Vishay VS-8EWH06FN-M3/45	Same DO-214AB package, 600 V V_RRM, but higher V_F (1.15 V typ. @ 8 A); no AEC-Q101 certification.	Acceptable for industrial supplies but not qualified for automotive safety-critical functions.	Select only if AEC-Q101 is not required and higher conduction loss is tolerable.
ON Semiconductor MUR860G	Ultrafast recovery (t_rr = 75 ns), 600 V, but rated for 8 A average only at T_C = 110°C; no MSL Level 1 rating.	Better for high-frequency SMPS (>100 kHz), but requires baking before reflow and lacks automotive qualification.	Prefer for high-switching-frequency designs where reverse recovery matters more than surge robustness.

Compared with VS-8EWH06FN-M3/45 and MUR860G, the S8JCHM6G uniquely combines AEC-Q101 qualification, MSL Level 1, and 200 A 8.3 ms surge rating - making it the only choice for automotive-grade, high-surge, zero-bake SMT rectification where long-term reliability is non-negotiable.

Availability

S8JCHM6G is available at Aetrix Electronics and suitable for automotive DC/DC converters, LED headlamp drivers, and industrial power supplies requiring stable component supply, full traceability, and long-lifecycle support.

Supply support for S8JCHM6G 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 automotive, industrial, and consumer markets since 1979.

The S8JCHM6G 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 mandatory.

FAQ

What is the marking code for S8JCHM6G?

The S8JCHM6G is marked "S8JC" on the device body per Taiwan Semiconductor's ordering code convention, where "J" denotes 600 V V_RRM. The full marking includes green compound indicator (G), factory code (F), and date code (YW), all printed on the cathode-band side of the DO-214AB (SMC) package.

Is S8JCHM6G suitable for automotive under-hood applications?

Yes, the S8JCHM6G is AEC-Q101 qualified and rated for –55°C to +150°C junction temperature, making it suitable for under-hood automotive applications such as engine control units and headlamp modules. Its glass-passivated junction and MSL Level 1 rating further ensure reliability in thermally aggressive, high-humidity environments.

What is the maximum surge current rating for S8JCHM6G?

The S8JCHM6G has two defined surge ratings: 200 A for an 8.3 ms half-sine wave at T_J = 25°C, and 600 A for a 1.0 ms half-sine wave at the same temperature. These values are specified in the Absolute Maximum Ratings table and reflect its capability to absorb transient energy in DC/DC and snubber applications without failure.

Does S8JCHM6G require baking before reflow soldering?

No, the S8JCHM6G has Moisture Sensitivity Level 1 per J-STD-020, meaning it has no floor life limitation and does not require baking prior to reflow soldering. This simplifies manufacturing flow and eliminates risk of popcorning or delamination during standard lead-free reflow profiles.

How does the thermal performance of S8JCHM6G compare to standard DO-214AB rectifiers?

The S8JCHM6G achieves a junction-to-lead thermal resistance (R_θJL) of 12.5°C/W - among the lowest in its class - due to optimized die attach and leadframe design. This enables more efficient heat transfer to the PCB compared to typical DO-214AB rectifiers (often >15°C/W), supporting higher ambient temperatures and longer lifetime in thermally constrained layouts.

S8JCHM6G Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: DO-214AB, SMC

Packaging:: Tape & Reel (TR)

Product Status:: Discontinued at Digi-Key

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

S8JCHM6G FAQ

1.How can I place an order for S8JCHM6G through Aetrix?

Please submit a Request for Quotation (RFQ) for S8JCHM6G 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 S8JCHM6G reliable?

The price and inventory of S8JCHM6G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S8JCHM6G is usually 5 days.

3.What payment methods are accepted for S8JCHM6G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S8JCHM6G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S8JCHM6G?

S8JCHM6G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S8JCHM6G 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 S8JCHM6G?

For technical support, including S8JCHM6G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S8JCHM6G requirements.

6.How does Aetrix verify that S8JCHM6G is sourced from the original manufacturer or authorized distributors?

All S8JCHM6G 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 S8JCHM6G meets industry standards.

7.What is the process for return or replacement of S8JCHM6G?

All S8JCHM6G units undergo pre-shipment inspection (PSI). If there is an issue with S8JCHM6G, 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 S8JCHM6G part is unused and in its original packaging.

Return procedure for S8JCHM6G:

1.Submit a request within 90 days.

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

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