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

Taiwan Semiconductor Corporation ES1C

Name: ES1C
Brand: Taiwan Semiconductor Corporation
SKU: ES1C
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ES1C

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: DO-214AC, SMA

Datasheet:: ES1C.pdf

Description:: DIODE GEN PURP 150V 1A DO214AC

Quantity:: RFQ Add To RFQ list

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Inventory:9,117

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Product details

Overview

ES1C from Taiwan Semiconductor is a 150 V, 1 A super fast recovery surface-mount rectifier in DO-214AC (SMA) package, featuring 35 ns reverse recovery time, 0.95 V forward voltage at 1 A, and 5 µA reverse leakage at 25°C; used in DC-DC converters and snubber circuits for high-efficiency power conversion.

For engineers reviewing the ES1C datasheet, ES1C pinout, ES1C application, or ES1C equivalent, key selection criteria include repetitive peak reverse voltage (150 V), forward surge current rating (30 A), junction-to-lead thermal resistance (35 °C/W), moisture sensitivity level (J-STD-020 Level 1), and RoHS/halogen-free compliance.

Technical Context

The ES1C is a single-die, planar passivated silicon PN junction rectifier optimized for high-frequency switching applications. Its super fast recovery (trr ≤ 35 ns) minimizes switching losses in SMPS topologies, while the DO-214AC package supports automated placement and provides adequate thermal dissipation with R_θJL = 35 °C/W.

It operates across -55°C to +150°C junction temperature range, with rated forward current of 1 A DC and peak non-repetitive surge current of 30 A (8.3 ms half-sine). Reverse leakage remains ≤5 µA at 25°C and ≤100 µA at 125°C under rated V_RRM.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	150 V - Maximum repetitive reverse blocking voltage; defines safe operating limit in flyback or boost converter secondary side.
I_F	1 A - Continuous average forward current; determines steady-state conduction capability without derating at 25°C ambient.
t_rr	35 ns - Measured reverse recovery time at I_F = 0.5 A, I_R = 1.0 A, I_rr = 0.25 A; enables >100 kHz switching with low recovery loss.
V_F	0.95 V - Forward voltage drop at 1 A and 25°C; directly impacts conduction loss and thermal design in high-duty-cycle operation.
I_R	5 µA - Max reverse leakage at 25°C and rated V_RRM; critical for low-power standby and high-impedance bias networks.
R_θJL	35 °C/W - Junction-to-lead thermal resistance; enables direct heatsinking via PCB copper pour or leadframe contact in compact layouts.

Pinout & Package

DO-214AC (SMA) surface-mount package with molded epoxy case (UL 94V-0), matte tin-plated leads, cathode indicated by band. Weight: 0.060 g.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to lower-potential node (e.g., switch node in buck converter); must withstand I_FSM = 30 A surge.
Cathode	Forward current exit / reverse blocking terminal	Marked by band; connects to output rail or capacitor positive; blocks up to 150 V reverse during off-state.

Key Features

Feature	Design Value
Glass passivated junction	Ensures long-term reliability and stable leakage performance under humidity and thermal cycling stress.
Super fast recovery (≤35 ns)	Reduces switching loss and EMI generation in high-frequency DC-DC converters (>200 kHz).
J-STD-020 Level 1 moisture sensitivity	Allows unlimited floor life before reflow; eliminates bake requirement for standard SMT assembly.
RoHS and halogen-free (IEC 61249-2-21)	Meets global environmental compliance mandates for industrial and consumer end equipment.

Applications

DC-DC Converter	Snubber Circuit
Use Scenario: Secondary-side rectification in isolated flyback or forward converters delivering 5–24 V at up to 1 A. IC Role / Device Role / Timing Role: Unidirectional current path enabling energy transfer from transformer to output capacitor; replaces slower diodes to reduce losses. Use Value: 0.95 V V_F and 35 ns t_rr collectively improve efficiency by ≥1.2% over standard FR107 at 100 kHz switching.	Use Scenario: Voltage spike suppression across MOSFET drains in motor drive or SMPS primary switches. IC Role / Device Role / Timing Role: Fast clamping element that conducts transient energy into RC network during turn-off edge. Use Value: Low trr ensures rapid turn-on before voltage overshoot peaks, limiting dv/dt stress on switching FETs.
Lighting Application	Freewheeling Diode
Use Scenario: Output rectification in LED driver constant-current supplies with PWM dimming. IC Role / Device Role / Timing Role: Maintains continuous LED current during switch off-time; handles ripple current with minimal heating. Use Value: 150 V V_RRM safely accommodates line-voltage transients in universal-input offline drivers.	Use Scenario: Inductive load commutation in relay drivers, solenoid controls, and brushed DC motor H-bridges. IC Role / Device Role / Timing Role: Provides low-impedance path for stored inductor energy during switch turn-off. Use Value: 30 A I_FSM rating supports brief high-current decay events without degradation.

DC-DC Converter

Snubber Circuit

Use Scenario: Secondary-side rectification in isolated flyback or forward converters delivering 5–24 V at up to 1 A.

IC Role / Device Role / Timing Role: Unidirectional current path enabling energy transfer from transformer to output capacitor; replaces slower diodes to reduce losses.

Use Value: 0.95 V V_F and 35 ns t_rr collectively improve efficiency by ≥1.2% over standard FR107 at 100 kHz switching.

Use Scenario: Voltage spike suppression across MOSFET drains in motor drive or SMPS primary switches.

IC Role / Device Role / Timing Role: Fast clamping element that conducts transient energy into RC network during turn-off edge.

Use Value: Low trr ensures rapid turn-on before voltage overshoot peaks, limiting dv/dt stress on switching FETs.

Lighting Application

Freewheeling Diode

Use Scenario: Output rectification in LED driver constant-current supplies with PWM dimming.

IC Role / Device Role / Timing Role: Maintains continuous LED current during switch off-time; handles ripple current with minimal heating.

Use Value: 150 V V_RRM safely accommodates line-voltage transients in universal-input offline drivers.

Use Scenario: Inductive load commutation in relay drivers, solenoid controls, and brushed DC motor H-bridges.

IC Role / Device Role / Timing Role: Provides low-impedance path for stored inductor energy during switch turn-off.

Use Value: 30 A I_FSM rating supports brief high-current decay events without degradation.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH1R06 (STMicroelectronics)	V_RRM = 600 V, V_F = 1.15 V @ 1 A, t_rr = 30 ns, DO-214AC	Higher voltage rating suits universal-input PFC stages; slightly higher V_F increases conduction loss at 150 V use case.	Select when system requires >300 V reverse margin or tighter trr tolerance; verify layout compatibility with identical DO-214AC footprint.
MBR1150 (ON Semiconductor)	Schottky structure, V_RRM = 150 V, V_F = 0.82 V @ 1 A, no reverse recovery (trr = N/A)	Lower V_F reduces conduction loss but limited to ≤125°C operation; unsuitable for high-temperature snubbers.	Prefer for low-loss, low-temperature DC-DC outputs; avoid in freewheeling roles where high TJ or reverse dv/dt may cause Schottky leakage runaway.

Compared with STTH1R06 and MBR1150, the ES1C delivers optimal balance of 150 V rating, 0.95 V V_F, 35 ns t_rr, and 150°C junction capability-making it especially suitable for cost-sensitive, thermally constrained industrial DC-DC and snubber designs where Schottky limitations or over-spec'd voltage ratings are undesirable.

Availability

ES1C is available at Aetrix Electronics and suitable for DC-DC converters, lighting drivers, and snubber circuits requiring stable component supply, J-STD-020 Level 1 handling, and RoHS-compliant manufacturing.

Supply support for ES1C 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 industrial, computing, and consumer markets since 1979.

The ES1C belongs to TSC's ES1x super fast rectifier family, designed specifically for high-frequency switching power supplies where low recovery loss, robust thermal performance, and automated assembly compatibility are essential.

FAQ

What is the maximum repetitive peak reverse voltage rating for ES1C?

The ES1C has a maximum repetitive peak reverse voltage (V_RRM) of 150 V, as specified in the Absolute Maximum Ratings table. This value is fixed per the ES1x family coding scheme where 'C' denotes 150 V. Exceeding this voltage risks avalanche breakdown and irreversible junction damage under repeated operation.

Does ES1C have a specified reverse recovery time, and how is it measured?

Yes, the ES1C has a maximum reverse recovery time (t_rr) of 35 ns, tested under conditions of I_F = 0.5 A, I_R = 1.0 A, and I_rr = 0.25 A. This parameter is measured using the standard test circuit shown in Figure 6 of the ES1A–ES1J datasheet and reflects the device's ability to transition rapidly from conduction to blocking state.

What package type does ES1C use, and what are its key mechanical attributes?

The ES1C uses the DO-214AC (SMA) surface-mount package. Key mechanical attributes include UL 94V-0 compliant molding compound, matte tin-plated solderable leads per J-STD-002, cathode polarity marked by a band, and JESD 201 Class 2 whisker resistance. Its weight is approximately 0.060 g.

Is ES1C suitable for use in high-temperature environments such as industrial motor drives?

Yes, the ES1C supports a junction temperature range of -55°C to +150°C and features a maximum storage temperature of +150°C. Its 150°C T_J(max) and 35 °C/W R_θJL make it suitable for enclosed industrial motor drive control boards where ambient temperatures exceed 85°C and thermal management relies on PCB copper conduction.

How does the forward voltage of ES1C compare to other devices in the ES1x series?

The ES1C shares the same forward voltage specification (V_F ≤ 0.95 V at I_F = 1 A, T_J = 25°C) as ES1A, ES1B, ES1D, and ES1F–ES1J variants. This uniformity confirms consistent die process and metallization across the entire ES1x family, despite differing V_RRM ratings.

ES1C Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: DO-214AC, SMA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 150 V

Current - Average Rectified (Io):: 1A

Voltage - Forward (Vf) (Max) @ If:: 950 mV @ 1 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 35 ns

Current - Reverse Leakage @ Vr:: 5 µA @ 150 V

Capacitance @ Vr, F:: 16pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DO-214AC (SMA)

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

ES1C FAQ

1.How can I place an order for ES1C through Aetrix?

Please submit a Request for Quotation (RFQ) for ES1C 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 ES1C reliable?

The price and inventory of ES1C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES1C is usually 5 days.

3.What payment methods are accepted for ES1C?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES1C transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ES1C?

ES1C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ES1C 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 ES1C?

For technical support, including ES1C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES1C requirements.

6.How does Aetrix verify that ES1C is sourced from the original manufacturer or authorized distributors?

All ES1C 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 ES1C meets industry standards.

7.What is the process for return or replacement of ES1C?

All ES1C units undergo pre-shipment inspection (PSI). If there is an issue with ES1C, 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 ES1C part is unused and in its original packaging.

Return procedure for ES1C:

1.Submit a request within 90 days.

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

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