Product Overview
Vishay Dale Thin Film resistor networks, including VTSR, VSSR, and VSOR series, are designed for both analog and digital circuits. Utilizing thin film resistive elements on silicon, these networks offer low noise, high stability, and an infinite number of circuit possibilities for industrial, medical, and scientific instrumentation. Packaged in molded plastic, they are compatible with automatic SMT equipment, providing superior environmental protection and consistent dimensions. Many designs and values are available off-the-shelf for convenience.
Product Attributes
- Brand: Vishay Dale Thin Film
- Material: Tantalum nitride on silicon
- Flame Resistance: UL 94 V-0
- Moisture Sensitivity Level: 1 (per IPC/JEDEC STD-20C)
- Packaging: Molded plastic (TSSOP, SSOP/QSOP, SOIC narrow)
- Certifications: JEDEC MO-153 (VTSR), JEDEC MO-137 (VSSR), JEDEC MS-012 (VSOR)
- Compliance: Refer to www.vishay.com/doc?99912 for material categorization.
Technical Specifications
| Model Series | Package Type | Pin Count | Resistance Range | TCR (Absolute) | TCR (Tracking) | Absolute Ratio Tolerance | Power Rating (Resistor Max.) | Power Rating (Package Max.) | Voltage Coefficient (Typical) | Working Voltage (Max.) | Operating Temperature Range |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VTSR, VSSR, VSOR | TSSOP (VTSR) | 16, 20, 24 | 10 to 47 k | 100 ppm/C | n/a | 5 % standard ( 2 % available), 1 % standard (check factory) | 100 mW at +70 C | 16: 1.0 W | 5 ppm/V | 50 VDC | -55 C to +125 C |
| VTSR, VSSR, VSOR | SSOP/QSOP (VSSR) | 16, 20, 24 | 20: 1.2 W | ||||||||
| VTSR, VSSR, VSOR | SOIC narrow (VSOR) | 16, 20 | 24: 1.4 W |
Circuit Schematics and Applications
01 Circuit: Resistors with One Pin Common
Description: Nominally equal resistors connected between a common pin and discrete PC board pins.
Applications: MOS/ROM pull-up/-down, Open collector pull-up, Wired OR pull-up, Power driven pull-up, TTL input pull-down, Digital pulse squaring, TTL unused gate pull-up, High speed parallels pull-up.
Standard Values: Broad selection available.
03 Circuit: Isolated Resistors
Description: Nominally equal resistors isolated from others and wired directly across.
Applications: Wired OR pull-up, Power driven pull-up, Power gate pull-up, Line termination, Long-line impedance balancing, LED current limiting, ECL output pull-down, TTL input pull-down.
Standard Values: Broad selection available.
05 Circuit: Dual-Line Terminator; Pulse Squaring
Description: Pairs of resistors connected between ground and a common line. Junctions connect to input leads.
Applications: Dual-line termination and pulse squaring.
Standard Values:
VSSR1605: R1 = 220 , R2 = 330 ; R1 = 330 , R2 = 470
VSSR2005: R1 = 220 , R2 = 330 ; R1 = 220 , R2 = 1.8 k; R1 = 1.5 k, R2 = 3.3 k
47 Circuit: Differential Terminator
Description: Series resistor sections connected between VCC and ground, each containing 3 resistors of 2 different resistance values.
Standard Values:
VSSR20 and VTSR20: R1 = 270 , R2 = 120
VSSR16 and VTSR16: R1 = 330 , R2 = 150 ; R1 = 330 , R2 = 220
Dimensions (in inches [millimeters])
| Dimension | VTSR-xxxx | VSSR-xxxx | VSOR-xxxx |
|---|---|---|---|
| A (16 PIN) | 0.206 0.003 [5.23 0.08] | 0.193 0.004 [4.90 0.010] | 0.390 0.010 [9.91 0.25] |
| A (20 PIN) | 0.256 0.003 [6.50 0.08] | 0.341 0.003 [8.66 0.08] | NA |
| A (24 PIN) | 0.306 0.003 [7.77 0.08] | 0.341 0.003 [8.66 0.08] | NA |
| B (Ref.) | 0.0256 [0.65] | 0.025 [0.64] | 0.050 [1.27] |
| C (Ref.) | 0.0087 [0.22] | 0.010 [0.25] | 0.016 [0.41] |
| D | 0.004 [0.10] | 0.006 [0.15] | 0.008 [0.20] |
| E (Typ.) | 0.024 [0.61] | 0.025 [0.64] | 0.030 [0.76] |
| F | 0.173 0.003 [4.39 0.08] | 0.154 0.003 [3.91 0.08] | 0.152 0.003 [3.86 0.08] |
| G | 0.015 45 [0.38] | 0.015 45 [0.38] | 0.015 45 [0.38] |
| H | 0.252 0.005 [6.40 0.13] | 0.236 0.008 [5.99 0.20] | 0.236 0.005 [5.99 0.13] |
| J (Ref.) | 0.005 [0.13] | 0.010 [0.25] | 0.008 [0.20] |
| W | 0.043 0.005 [1.09 0.13] | 0.064 0.005 [1.63 0.13] | 0.064 0.005 [1.63 0.13] |
Marking
Format: Model, Pin Count (Optional), Schematic, Resistance Value Code, Tolerance, Date Code
Example: VTSR1601103JTF
- Model: VSOR, VSSR, VTSR
- Pin Count: 16, 20, 24 (not VSOR for 24)
- Schematic: 01, 03, 05, 47
- Resistance Value Code: e.g., 103 (10K), 43R2 (43.2)
- Tolerance: F (1.0%), G (2.0%), J (5.0%)
- Packaging: T (Tape and Reel), F (Full Reel 2500), U (Tubed)
Mechanical Specifications
- Resistive Element: Tantalum nitride
- Substrate Material: Silicon
- Body: Molded epoxy
- Terminals: Copper alloy
- Plating: 100 % matte tin
- Lead Coplanarity: 0.0005"
- Resistance to Solvents: Permanency testing per MIL-STD-202, method 215
Packaging Information
| Model | Leads | Tape and Reel | Tubes |
|---|---|---|---|
| VTSR (TSSOP) | 16 | 2500 | 94 |
| 20 | 2500 | 74 | |
| 24 | 2500 | 62 | |
| VSSR (QSOP) | 16 | 2500 | 98 |
| 20 | 2500 | 55 | |
| 24 | 2500 | 55 | |
| VSOR (SOIC) | 16 | 2500 | 48 |
| 20 | 1000 | 38 |
2410121925_VISHAY-VSSR1603103JUF_C1357953.pdf
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