Low Voltage NH SR240 Schottky Rectifier Suitable for Free Wheeling and Polarity Protection Circuits
Product Overview
The SR220 thru SR2200 series are Schottky Rectifiers from Niu Hang Specification Electronic Co. Ltd. These rectifiers are designed for low voltage, high frequency inverters, DC/DC converters, free wheeling, and polarity protection applications. They feature a metal silicon junction with majority carrier conduction, a guard ring for overvoltage protection, low power loss, high efficiency, high current capability, ultra-low forward voltage drop, and high surge capability. The plastic package meets Underwriters Laboratory Flammability Classification 94V-0.
Product Attributes
- Brand: Niu Hang
- Origin: China
- Material: Metal silicon junction
- Certifications: Underwriters Laboratory Flammability Classification 94V-0, RoHS 2011/65/EU
- Case: JEDEC DO-201AD molded plastic body
- Terminals: Plated axial leads, solderable per MIL-STD-750, method 2026
- Polarity: Color band denotes cathode end (White band denotes cathode)
- Mounting Position: Any
Technical Specifications
| Model | VRRM (V) | VRMS (V) | VDC (V) | IF(AV) (A) | IFSM (A) | VF (V) @ 2.0 A | IR (uA) @ Rated DC Blocking Voltage (Ta=25) | CJ (pF) @ 1MHz, 4V | TJ (C) | TSTG (C) | RJA (/W) | RJL (/W) |
| SR220 | 20 | 14 | 20 | 2.0 | 20 | 0.55 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| SR230 | 30 | 21 | 30 | 2.0 | 20 | 0.55 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| SR240 | 40 | 28 | 40 | 2.0 | 30 | 0.70 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| SR250 | 45 | 32 | 45 | 2.0 | 40 | 0.70 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| SR260 | 60 | 42 | 60 | 2.0 | 50 | 0.85 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| SR280 | 80 | 56 | 80 | 2.0 | 50 | 0.90 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| SR2100 | 100 | 70 | 100 | 2.0 | 50 | 0.95 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| SR2150 | 150 | 105 | 150 | 2.0 | 50 | 0.95 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| SR2200 | 200 | 140 | 200 | 2.0 | 50 | 0.95 | 500 | 20 | -65 to +150 | -65 to +150 | 50 | - |
| Parameter | Symbol | Unit | Min. | Typ. | Max. |
| Body Length | A | mm (in) | 2.6 (0.104) | - | 3.6 (0.140) |
| Overall Length | B | mm (in) | 24.0 (0.945) | - | 27.0 (1.063) |
| Body Diameter | C | mm (in) | 0.7 (0.028) | - | 0.9 (0.035) |
| Lead Diameter | D | mm (in) | 5.8 (0.230) | - | 7.6 (0.300) |
Note: 1. Pulse width < 300 uS, Duty cycle < 2%. 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 3. Thermal resistance from junction to lead vertical P.C.B. mounted, 0.375"(9.5mm) lead length, Polymide PCB, 2 oz Copper. 4. Cathode pad dimensions 18.8x14.4mm, Anode pad dimensions- (5.6x14.4mm)
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