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B1100-13 Schottky Diode 100V 1A SMA Equivalent & Substitute Parts
Part Overview
The B1100-13 is a Schottky rectifier diode manufactured by Diodes Incorporated, rated for 100V reverse voltage and 1A average rectified current in a surface mount SMA (DO-214AC) package. This part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. The B1100-13 operates across a junction temperature range of -65°C to 150°C with fast recovery characteristics suitable for high-frequency switching applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) Maximum | 100 | V |
| Current - Average Rectified (Io) | 1 | A |
| Voltage - Forward (Vf) Maximum @ If | 790 mV @ 1 A | mV |
| Speed | Fast Recovery ≤ 500ns, > 200mA (Io) | ns |
| Current - Reverse Leakage @ Vr | 500 | µA @ 100 V |
| Capacitance @ Vr, F | 80 | pF @ 4V, 1MHz |
| Package / Case | DO-214AC, SMA | — |
| Mounting Type | Surface Mount | — |
| Operating Temperature - Junction | -65 to 150 | °C |
| Technology | Schottky | — |
Substitute Part Grouping Explanation
Substitution of the B1100-13 is determined by strict electrical and mechanical compatibility across the following parameters:
Primary Substitution Criteria:
- Voltage - DC Reverse (Vr) Maximum: 100V minimum
- Current - Average Rectified (Io): 1A minimum
- Package / Case: DO-214AC, SMA (surface mount)
- Technology: Schottky
- Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
- Mounting Type: Surface Mount
Secondary Compatibility Parameters:
- Operating Temperature Range: Must encompass or exceed the application requirements
- Voltage - Forward (Vf): Electrical performance parameter affecting circuit efficiency
- Current - Reverse Leakage: Affects circuit performance in low-current applications
- Capacitance: Influences high-frequency switching behavior
Substitute parts are grouped into two categories:
Category 1: Direct Electrical Equivalents (1A rated) Parts with identical or superior electrical ratings at the 1A current level, maintaining the same forward voltage and reverse leakage characteristics within acceptable engineering tolerances.
Category 2: Higher Current Rated Alternatives (>1A rated) Parts rated above 1A that provide electrical headroom and enhanced thermal performance while maintaining 100V reverse voltage and SMA package compatibility. These parts are suitable for applications requiring increased current capacity or thermal margin.
Parameter Comparison
| Part Number | Manufacturer | Vr (Max) V | Io A | Vf (Max) mV @ If | Reverse Leakage µA @ 100V | Capacitance pF | Tj Range °C | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| B1100-13 | Diodes Incorporated | 100 | 1 | 790 @ 1A | 500 | 80 @ 4V | -65 to 150 | Obsolete | Non-compliant |
| B1100-13-F | Diodes Incorporated | 100 | 1 | 790 @ 1A | 500 | 80 @ 4V | -65 to 150 | Active | ROHS3 Compliant |
| CMSH1-100M BK PBFREE | Central Semiconductor Corp | 100 | 1 | 850 @ 1A | 500 | 29 @ 4V | -65 to 150 | Active | ROHS3 Compliant |
| CMSH1-100M TR13 PBFREE | Central Semiconductor Corp | 100 | 1 | 850 @ 1A | 500 | 50 @ 1V | -65 to 150 | Active | ROHS3 Compliant |
| ACDBA1100LR-HF | Comchip Technology | 100 | 1 | 750 @ 1A | 500 | 120 @ 4V | -55 to 150 | Active | ROHS3 Compliant |
| MBRA1H100T3G | onsemi | 100 | 1 | 760 @ 1A | 40 | — | -65 to 175 | Active | ROHS3 Compliant |
| MS110-AU_R1_000A1 | Panjit International Inc. | 100 | 1 | 800 @ 1A | 5 | 40 @ 4V | -55 to 150 | Active | ROHS3 Compliant |
| S100 | Fairchild Semiconductor | 100 | 1 | 850 @ 1A | 200 | — | -65 to 125 | Active | — |
| SS110-LTP | Micro Commercial Co | 100 | 1 | 850 @ 1A | 500 | 30 @ 4V | -55 to 150 | Active | ROHS3 Compliant |
| 10MQ100N-S | SMC Diode Solutions | 100 | 1.5 | 850 @ 1.5A | 100 | 36 @ 5V | -55 to 150 | Active | ROHS3 Compliant |
| NRVTSA3100ET3G | onsemi | 100 | 3 | 995 @ 3A | 5 | 14.3 @ 100V | -55 to 175 | Last Time Buy | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Recommendation: B1100-13-F
The B1100-13-F from Diodes Incorporated is the direct successor to the B1100-13. It maintains identical electrical specifications (100V, 1A, 790 mV forward voltage) and thermal operating range (-65°C to 150°C). The B1100-13-F is in active production status with ROHS3 compliance, providing design continuity with improved regulatory compliance. This part is the preferred choice for direct replacement in existing designs.
Secondary Recommendations for 1A Rated Alternatives:
MBRA1H100T3G (onsemi): Offers superior reverse leakage performance (40 µA vs. 500 µA), lower forward voltage (760 mV), and extended upper temperature rating (-65°C to 175°C). Suitable for applications requiring lower leakage current and higher temperature operation.
MS110-AU_R1_000A1 (Panjit International Inc.): Provides automotive-grade qualification (AEC-Q101) with extremely low reverse leakage (5 µA). Recommended for automotive and high-reliability applications. Operating temperature range is -55°C to 150°C.
ACDBA1100LR-HF (Comchip Technology): Automotive-grade part (AEC-Q101) with lowest forward voltage (750 mV) among 1A alternatives. Extended upper temperature rating to 175°C. Suitable for automotive applications requiring optimized power efficiency.
CMSH1-100M TR13 PBFREE (Central Semiconductor Corp): Active production with ROHS3 compliance. Maintains identical reverse leakage (500 µA) and operating temperature range (-65°C to 150°C) as the original B1100-13. Available in Tape & Reel packaging.
SS110-LTP (Micro Commercial Co): Active production with ROHS3 compliance. Maintains identical reverse leakage (500 µA). Operating temperature range -55°C to 150°C. Available in Tape & Reel packaging.
Higher Current Alternative:
10MQ100N-S (SMC Diode Solutions): Rated for 1.5A with 100V reverse voltage. Provides increased current capacity and thermal margin while maintaining SMA package compatibility. Suitable for applications requiring higher current handling or thermal headroom. Operating temperature range -55°C to 150°C.
Not Recommended:
NRVTSA3100ET3G (onsemi): Rated for 3A current, significantly exceeding the 1A requirement. Product status is Last Time Buy, indicating discontinued production. Forward voltage (995 mV @ 3A) is measured at 3A, not directly comparable to 1A operation. Suitable only for applications requiring 3A capacity.
S100 (Fairchild Semiconductor): Limited upper temperature rating (-65°C to 125°C) compared to the original B1100-13 (-65°C to 150°C). Reverse leakage (200 µA) is lower than the original but forward voltage (850 mV) is higher. RoHS compliance status not specified.
Frequently Asked Questions (FAQ)
Q: Can the B1100-13-F be used as a direct replacement for the B1100-13?
A: Yes. The B1100-13-F maintains identical electrical specifications and thermal operating range as the B1100-13. The primary difference is product status (Active vs. Obsolete) and regulatory compliance (ROHS3 Compliant vs. Non-compliant). B1100-13-F is the manufacturer-recommended direct replacement.
Q: What is the difference between the CMSH1-100M BK PBFREE and CMSH1-100M TR13 PBFREE?
A: Both parts are electrically identical with 100V, 1A ratings and identical operating temperature range (-65°C to 150°C). The primary difference is packaging: "BK" indicates Bulk packaging, while "TR13" indicates Tape & Reel packaging. Capacitance values differ slightly (29 pF vs. 50 pF) due to measurement conditions. Select based on assembly process requirements.
Q: Why does the NRVTSA3100ET3G have a higher forward voltage than the B1100-13?
A: The NRVTSA3100ET3G is rated for 3A current, and forward voltage is specified at 995 mV @ 3A. The B1100-13 forward voltage is specified at 790 mV @ 1A. Forward voltage increases with current in Schottky diodes. The NRVTSA3100ET3G is not a direct 1A equivalent and is suitable only for applications requiring 3A capacity.
Q: Which substitute part has the lowest reverse leakage current?
A: The MS110-AU_R1_000A1 and MBRA1H100T3G both offer significantly lower reverse leakage than the B1100-13. MS110-AU_R1_000A1 provides 5 µA @ 100V, while MBRA1H100T3G provides 40 µA @ 100V, compared to 500 µA @ 100V for the B1100-13. Lower reverse leakage is beneficial in low-current or high-impedance circuit applications.
Q: Are all substitute parts RoHS3 compliant?
A: All recommended 1A and 1.5A alternatives are ROHS3 compliant. The S100 (Fairchild Semiconductor) does not specify RoHS compliance status. The NRVTSA3100ET3G is ROHS3 compliant but is in Last Time Buy status.
Q: What is the temperature operating range difference between substitute parts?
A: Most substitute parts operate from -55°C to 150°C or -65°C to 150°C. The MBRA1H100T3G and ACDBA1100LR-HF extend the upper limit to 175°C. The S100 is limited to -65°C to 125°C. Verify application temperature requirements before selection.
Q: Can I use the 10MQ100N-S (1.5A) in place of the B1100-13 (1A)?
A: Yes. The 10MQ100N-S maintains 100V reverse voltage and SMA package compatibility. The higher 1.5A rating provides increased current capacity and thermal margin. This substitution is suitable for applications where the original 1A rating is adequate, as the part will operate below its maximum rating with improved thermal performance.
Q: Which substitute parts have automotive qualification?
A: Three parts carry automotive-grade qualification (AEC-Q101): ACDBA1100LR-HF (Comchip Technology), MS110-AU_R1_000A1 (Panjit International Inc.), and NRVTSA3100ET3G (onsemi). These parts are suitable for automotive and high-reliability applications requiring AEC-Q101 certification.
Q: What packaging options are available for substitute parts?
A: Substitute parts are available in Cut Tape (CT) & Digi-Reel® packaging or Tape & Reel (TR) packaging. The B1100-13-F, MBRA1H100T3G, and NRVTSA3100ET3G are available in Cut Tape & Digi-Reel®. The CMSH1-100M TR13 PBFREE, MS110-AU_R1_000A1, SS110-LTP, and ACDBA1100LR-HF are available in Tape & Reel. The CMSH1-100M BK PBFREE is available in Bulk packaging. Select based on assembly process and volume requirements.
Q: How do forward voltage differences affect circuit performance?
A: Forward voltage differences range from 750 mV (ACDBA1100LR-HF) to 850 mV (CMSH1-100M, S100, SS110-LTP) at 1A. The B1100-13 specifies 790 mV. Higher forward voltage results in greater power dissipation and reduced circuit efficiency. Lower forward voltage reduces power loss. For most applications, these differences are within acceptable design margins. Verify circuit performance requirements for applications sensitive to forward voltage variations.
Q: What is the significance of capacitance values in the parameter comparison?
A: Capacitance values range from 14.3 pF (NRVTSA3100ET3G) to 120 pF (ACDBA1100LR-HF). Lower capacitance is beneficial for high-frequency switching applications, reducing switching losses and improving efficiency. Higher capacitance may affect high-frequency performance. The B1100-13 specifies 80 pF @ 4V, 1MHz. Verify high-frequency performance requirements before selecting parts with significantly different capacitance values.
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