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Toshiba Semiconductor and Storage CRS13(TE85L,Q,M)
- Part No.:
- CRS13(TE85L,Q,M)
- Manufacturer:
- Toshiba Semiconductor and Storage
- Category:
- Single Diodes
- Package:
- SOD-123F
- Datasheet:
-
CRS13(TE85L,Q,M).pdf
- Description:
- DIODE SCHOTTKY 60V 1A S-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:3,760
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Product details
Overview
CRS13 from Toshiba Electronic Devices & Storage Corporation is a Schottky barrier diode optimized for secondary rectification and reverse-current protection in compact DC-DC converters and mobile power circuits. It delivers VFM ≤ 0.55 V at 1 A, supports 60 V repetitive peak reverse voltage (VRRM), handles 1 A average forward current (IF(AV)), and uses the ultra-thin 3-2A1S S-FLAT package for high-density PCB layouts.
For engineers reviewing the CRS13 datasheet, CRS13 pinout, CRS13 application, or CRS13 equivalent, key selection criteria include low forward voltage drop for efficiency-critical 1 A switching regulator outputs, thermal resistance validation under ceramic board mounting, and derating guidance for junction temperature control below 120 °C in portable battery-powered systems.
Technical Context
The CRS13 employs a planar Schottky junction structure enabling fast recovery (no minority carrier storage) and low conduction loss. Its 60 V VRRM rating targets mid-voltage secondary-side rectification in buck-derived topologies operating up to 48 V input rails.
Thermal performance is defined by Rth(j-a) = 70 °C/W on ceramic board (50 mm × 50 mm, 2 mm × 2 mm pads), while Rth(j-ℓ) = 20 °C/W to cathode lead enables effective local heat sinking in space-constrained modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 60 V - Supports secondary rectification in 48 V-input isolated DC-DC converters without avalanche risk. |
| IF(AV) | 1 A - Rated continuous output current for 5–12 V/1 A point-of-load regulators in smartphones and wearables. |
| VFM (max) | 0.55 V @ 1 A - Reduces conduction loss to ≤550 mW, critical for thermal budget in sealed mobile enclosures. |
| IRRM (max) | 50 µA @ 60 V - Reverse leakage remains manageable at full rated voltage, limiting standby power penalty. |
| Cj | 40 pF @ 10 V - Low junction capacitance minimizes switching loss and EMI in >500 kHz synchronous rectifier applications. |
| Rth(j-ℓ) | 20 °C/W - Enables direct thermal coupling to copper pour or metal-core PCB for localized heat extraction. |
Pinout & Package
Package: 3-2A1S (Toshiba S-FLAT), surface-mount, 2-pin, ultra-thin profile (0.013 g typical), footprint optimized for 0805-equivalent board area with enhanced thermal pad exposure.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode | Connects to switched node (e.g., synchronous rectifier drain or flyback secondary winding). |
| 2 | Cathode | Connects to output rail; serves as primary thermal path-requires direct copper connection for Rth(j-ℓ) benefit. |
Key Features
| Feature | Design Value |
|---|---|
| Low forward voltage | VFM ≤ 0.55 V @ 1 A reduces power loss by ≥30% vs. standard silicon diodes in 1 A loads. |
| High surge tolerance | IFSM = 20 A (non-repetitive) withstands inrush and transient overloads in USB PD and QC-compliant adapters. |
| Thermally optimized leadframe | Rth(j-ℓ) = 20 °C/W allows efficient heat transfer from junction to cathode pad without external heatsink. |
| Compact S-FLAT package | 3-2A1S footprint fits 2.0 mm × 1.25 mm board area-enables layout density matching 0805 passives in ultra-thin devices. |
Applications
| Mobile Power Management | USB-C Power Delivery Adapter |
|---|---|
Use Scenario: Reverse-polarity and backfeed protection in dual-battery smartphone power paths. IC Role / Device Role / Timing Role: Discrete Schottky diode blocking reverse current from main to auxiliary battery during charging cycles. Use Value: 0.55 V VFM limits voltage drop across protection path, preserving system efficiency and battery runtime. |
Use Scenario: Secondary-side synchronous rectification in 65 W USB-C AC-DC adapter flyback outputs. IC Role / Device Role / Timing Role: Low-loss freewheeling diode replacing MOSFET gate drive complexity in cost-sensitive designs. Use Value: 60 V VRRM safely clamps reflected spikes from 20 V output transformers while maintaining <100 mW conduction loss. |
| Industrial IoT Sensor Node | Portable Medical Monitor |
Use Scenario: Input polarity protection for 3.3 V/500 mA LDO-fed sensor subsystems powered by CR2032 or Li-SOCl₂ cells. IC Role / Device Role / Timing Role: Unidirectional current gate preventing damage from accidental battery reversal during field maintenance. Use Value: 1 A IF(AV) rating accommodates brief inrush from capacitive loads without thermal runaway under ambient temperatures up to 82 °C. |
Use Scenario: Isolated DC-DC converter output rectification in battery-operated ECG/SpO₂ modules requiring low EMI and zero audible noise. IC Role / Device Role / Timing Role: High-frequency rectifier minimizing switching node ringing due to 40 pF Cj and absence of reverse recovery tail. Use Value: Fast, soft recovery eliminates high-frequency harmonics that interfere with analog front-end signal integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RB050M-30 | Higher VRRM (30 V), lower VFM (0.45 V max @ 1 A), same 3-2A1S package. | Better suited for ≤24 V systems where lower forward drop outweighs reduced voltage margin. | Select RB050M-30 when operating below 30 V and prioritizing minimal conduction loss over 60 V headroom. |
| SS12 | Same VRRM (60 V), higher IF(AV) (2 A), DO-214AC package (larger, higher Rth(j-a)). | Preferred for higher-current 12 V outputs where thermal mass and board space allow larger footprint. | Choose SS12 only if board layout permits DO-214AC and average load exceeds 1.2 A continuously. |
Compared with RB050M-30 and SS12, the CRS13 uniquely balances 60 V robustness, 1 A capability, and ultra-thin S-FLAT packaging-making it optimal for space-constrained 5–12 V secondary rectification where thermal management relies on cathode-pad conduction rather than ambient convection.
Availability
CRS13 is available at Aetrix Electronics and suitable for mobile device power management, USB-C adapter secondary rectification, and industrial IoT sensor node protection requiring stable component supply and long-term lifecycle support.
Supply support for CRS13 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
Toshiba Electronic Devices & Storage Corporation designs and manufactures discrete semiconductors, power devices, and logic ICs with emphasis on energy efficiency and miniaturization.
The CRS13 belongs to Toshiba's S-FLAT Schottky diode product line, engineered specifically for high-density, thermally constrained DC-DC power stages in portable and battery-powered electronics.
FAQ
What is the maximum junction temperature for continuous operation of the CRS13?
The CRS13 has an absolute maximum junction temperature (Tj) of 150 °C, but Toshiba recommends limiting steady-state Tj to ≤120 °C for high reliability. This requires derating IF(AV) based on ambient temperature and board thermal design-e.g., reducing average current to ~0.8 A at 82 °C ambient when mounted on a ceramic board per Note 1 in the datasheet. The CRS13 must be thermally managed using its cathode terminal as the primary heat path.
Does the CRS13 have a specified reverse recovery time (trr)?
No-the CRS13 is a Schottky barrier diode and therefore exhibits no minority-carrier reverse recovery; its turn-off is governed solely by junction capacitance discharge. Toshiba does not specify trr for the CRS13 because it lacks stored charge. Instead, designers should consider Cj = 40 pF @ 10 V and the associated capacitive discharge time constant when evaluating high-frequency switching behavior in the CRS13 application.
Can the CRS13 replace a standard PN-junction rectifier like 1N4007 in a linear power supply?
No-the CRS13 is not suitable as a drop-in replacement for 1N4007 in linear supplies. While both conduct forward current, the CRS13's 60 V VRRM is insufficient for 1N4007's 1000 V rating, and its higher reverse leakage (up to 50 µA @ 60 V vs. nanoampere-level for 1N4007) would increase no-load power loss. The CRS13 is designed exclusively for low-voltage, high-frequency switching applications-not 50/60 Hz line rectification.
What is the meaning of "3-2A1S" in the CRS13 package designation?
"3-2A1S" is Toshiba's internal package code for the S-FLAT surface-mount outline: "3" indicates three terminals in base numbering (though only two are used), "2A" denotes a 2-pin anode-cathode configuration, "1" specifies single-diode die, and "S" identifies the S-FLAT thin-profile construction. This matches the mechanical dimensions and land pattern shown in Figure 9.1 of the CRS13 datasheet and is distinct from SO-2, SMA, or SOD-123 footprints.
How does the CRS13's thermal resistance change when mounted on FR-4 versus ceramic PCB?
When mounted on a standard glass-epoxy (FR-4) board (50 mm × 50 mm, 6 mm × 6 mm pads), the CRS13's Rth(j-a) increases to 140 °C/W-more than double the 70 °C/W measured on ceramic. This directly impacts allowable IF(AV): at 25 °C ambient, the FR-4-mounted CRS13 may sustain only ~0.5 A continuously before reaching 120 °C Tj, versus ~1 A on ceramic. Thermal design must therefore match the intended board material and pad geometry specified in the CRS13 datasheet.
CRS13(TE85L,Q,M) Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- -
- Package/Case:
- SOD-123F
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 60 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 550 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 50 µA @ 60 V
- Capacitance @ Vr, F:
- 40pF @ 10V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- S-FLAT (1.6x3.5)
- Operating Temperature - Junction:
- 150°C (Max)
CRS13(TE85L,Q,M) FAQ
1.How can I place an order for CRS13(TE85L,Q,M) through Aetrix?
Please submit a Request for Quotation (RFQ) for CRS13(TE85L,Q,M) 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 CRS13(TE85L,Q,M) reliable?
The price and inventory of CRS13(TE85L,Q,M) are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CRS13(TE85L,Q,M) is usually 5 days.
3.What payment methods are accepted for CRS13(TE85L,Q,M)?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CRS13(TE85L,Q,M) transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CRS13(TE85L,Q,M)?
CRS13(TE85L,Q,M) orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CRS13(TE85L,Q,M) 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 CRS13(TE85L,Q,M)?
For technical support, including CRS13(TE85L,Q,M) datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CRS13(TE85L,Q,M) requirements.
6.How does Aetrix verify that CRS13(TE85L,Q,M) is sourced from the original manufacturer or authorized distributors?
All CRS13(TE85L,Q,M) 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 CRS13(TE85L,Q,M) meets industry standards.
7.What is the process for return or replacement of CRS13(TE85L,Q,M)?
All CRS13(TE85L,Q,M) units undergo pre-shipment inspection (PSI). If there is an issue with CRS13(TE85L,Q,M), 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 CRS13(TE85L,Q,M) part is unused and in its original packaging.
Return procedure for CRS13(TE85L,Q,M):
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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